./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_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_spec5_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 a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:18:21,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:18:21,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:18:21,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:18:21,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:18:21,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:18:21,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:18:21,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:18:21,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:18:21,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:18:21,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:18:21,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:18:21,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:18:21,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:18:21,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:18:21,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:18:21,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:18:21,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:18:21,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:18:21,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:18:21,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:18:21,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:18:21,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:18:21,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:18:21,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:18:21,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:18:21,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:18:21,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:18:21,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:18:21,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:18:21,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:18:21,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:18:21,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:18:21,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:18:21,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:18:21,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:18:21,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:18:21,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:18:21,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:18:21,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:18:21,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:18:21,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:18:21,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:18:21,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:18:21,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:18:21,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:18:21,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:18:21,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:18:21,586 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:18:21,586 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:18:21,586 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:18:21,586 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:18:21,587 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:18:21,587 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:18:21,587 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:18:21,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:18:21,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:18:21,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:18:21,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:18:21,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:18:21,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:18:21,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:18:21,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:18:21,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:18:21,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:18:21,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:18:21,590 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:18:21,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:18:21,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:18:21,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:18:21,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:18:21,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:18:21,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:18:21,591 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:18:21,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa [2022-02-21 04:18:21,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:18:21,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:18:21,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:18:21,796 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:18:21,797 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:18:21,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2022-02-21 04:18:21,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d947a0f/0972990a85cb49728ad325080109283b/FLAGbe5f1feb2 [2022-02-21 04:18:22,219 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:18:22,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2022-02-21 04:18:22,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d947a0f/0972990a85cb49728ad325080109283b/FLAGbe5f1feb2 [2022-02-21 04:18:22,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d947a0f/0972990a85cb49728ad325080109283b [2022-02-21 04:18:22,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:18:22,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:18:22,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:22,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:18:22,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:18:22,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e466ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22, skipping insertion in model container [2022-02-21 04:18:22,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:18:22,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:18:22,471 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_spec5_product11.cil.c[2807,2820] [2022-02-21 04:18:22,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:22,587 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:18:22,598 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_spec5_product11.cil.c[2807,2820] [2022-02-21 04:18:22,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:22,658 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:18:22,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22 WrapperNode [2022-02-21 04:18:22,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:22,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:22,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:18:22,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:18:22,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,736 INFO L137 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 48, calls inlined = 41, statements flattened = 325 [2022-02-21 04:18:22,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:22,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:18:22,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:18:22,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:18:22,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:18:22,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:18:22,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:18:22,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:18:22,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (1/1) ... [2022-02-21 04:18:22,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:18:22,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:18:22,811 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 04:18:22,833 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 04:18:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:18:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:18:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:18:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:18:22,916 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:18:22,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:18:23,204 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:18:23,209 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:18:23,214 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:18:23,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:23 BoogieIcfgContainer [2022-02-21 04:18:23,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:18:23,216 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:18:23,216 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:18:23,219 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:18:23,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:23,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:18:22" (1/3) ... [2022-02-21 04:18:23,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d46d0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:23, skipping insertion in model container [2022-02-21 04:18:23,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:23,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:22" (2/3) ... [2022-02-21 04:18:23,221 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d46d0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:23, skipping insertion in model container [2022-02-21 04:18:23,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:23,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:23" (3/3) ... [2022-02-21 04:18:23,222 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2022-02-21 04:18:23,249 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:18:23,249 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:18:23,249 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:18:23,249 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:18:23,249 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:18:23,249 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:18:23,250 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:18:23,250 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:18:23,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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 04:18:23,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-02-21 04:18:23,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:23,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:23,286 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:23,286 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:23,287 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:18:23,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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 04:18:23,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-02-21 04:18:23,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:23,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:23,297 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:23,297 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:23,301 INFO L791 eck$LassoCheckResult]: Stem: 73#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 53#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 46#L271true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 79#L264true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 76#L279true main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 59#L235true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 48#L206true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 22#L872true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 26#L443-2true [2022-02-21 04:18:23,305 INFO L793 eck$LassoCheckResult]: Loop: 26#L443-2true assume !false; 43#L444true assume test_~splverifierCounter~0#1 < 4; 51#L445true test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 57#L453true assume !(0 != test_~tmp~2#1); 18#L453-2true test_~tmp___0~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 55#L463true assume !(0 != test_~tmp___0~0#1); 71#L463-2true test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 77#L473true assume 0 != test_~tmp___2~0#1; 45#L479-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 81#L377true __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 52#L882true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 88#L300true assume !(0 != ~pumpRunning~0); 50#L300-2true assume !(0 != ~systemActive~0); 38#L307-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 58#L131true __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 20#L893true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 83#L893-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 9#L317true assume { :end_inline_timeShift } true; 26#L443-2true [2022-02-21 04:18:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:23,313 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:18:23,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:23,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114492475] [2022-02-21 04:18:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,439 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,488 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:23,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2013527700, now seen corresponding path program 1 times [2022-02-21 04:18:23,491 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:23,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81578124] [2022-02-21 04:18:23,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:23,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,527 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,534 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:23,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:23,541 INFO L85 PathProgramCache]: Analyzing trace with hash 942087189, now seen corresponding path program 1 times [2022-02-21 04:18:23,542 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:23,542 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878162206] [2022-02-21 04:18:23,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:23,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:23,703 INFO L290 TraceCheckUtils]: 0: Hoare triple {97#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; {99#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:23,704 INFO L290 TraceCheckUtils]: 1: Hoare triple {99#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {99#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:23,704 INFO L290 TraceCheckUtils]: 2: Hoare triple {99#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {99#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:23,705 INFO L290 TraceCheckUtils]: 3: Hoare triple {99#(= 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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {100#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:18:23,705 INFO L290 TraceCheckUtils]: 4: Hoare triple {100#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; {101#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} is VALID [2022-02-21 04:18:23,706 INFO L290 TraceCheckUtils]: 5: Hoare triple {101#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,706 INFO L290 TraceCheckUtils]: 6: Hoare triple {102#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,707 INFO L290 TraceCheckUtils]: 7: Hoare triple {102#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,709 INFO L290 TraceCheckUtils]: 8: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !false; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,710 INFO L290 TraceCheckUtils]: 9: Hoare triple {102#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,710 INFO L290 TraceCheckUtils]: 10: Hoare triple {102#(not (= 0 ~systemActive~0))} test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,711 INFO L290 TraceCheckUtils]: 11: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~2#1); {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,712 INFO L290 TraceCheckUtils]: 12: Hoare triple {102#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,712 INFO L290 TraceCheckUtils]: 13: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,713 INFO L290 TraceCheckUtils]: 14: Hoare triple {102#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,713 INFO L290 TraceCheckUtils]: 15: Hoare triple {102#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,714 INFO L290 TraceCheckUtils]: 16: Hoare triple {102#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,715 INFO L290 TraceCheckUtils]: 17: Hoare triple {102#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,715 INFO L290 TraceCheckUtils]: 18: Hoare triple {102#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,716 INFO L290 TraceCheckUtils]: 19: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:23,717 INFO L290 TraceCheckUtils]: 20: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {98#false} is VALID [2022-02-21 04:18:23,717 INFO L290 TraceCheckUtils]: 21: Hoare triple {98#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; {98#false} is VALID [2022-02-21 04:18:23,718 INFO L290 TraceCheckUtils]: 22: Hoare triple {98#false} __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; {98#false} is VALID [2022-02-21 04:18:23,719 INFO L290 TraceCheckUtils]: 23: Hoare triple {98#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); {98#false} is VALID [2022-02-21 04:18:23,719 INFO L290 TraceCheckUtils]: 24: Hoare triple {98#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {98#false} is VALID [2022-02-21 04:18:23,719 INFO L290 TraceCheckUtils]: 25: Hoare triple {98#false} assume { :end_inline_timeShift } true; {98#false} is VALID [2022-02-21 04:18:23,720 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 04:18:23,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:23,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878162206] [2022-02-21 04:18:23,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878162206] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:23,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:23,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:23,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221600180] [2022-02-21 04:18:23,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:23,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:23,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:18:23,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:18:23,915 INFO L87 Difference]: Start difference. First operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 04:18:24,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:24,421 INFO L93 Difference]: Finished difference Result 237 states and 300 transitions. [2022-02-21 04:18:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:24,422 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 04:18:24,443 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:24,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 300 transitions. [2022-02-21 04:18:24,466 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 149 [2022-02-21 04:18:24,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 207 states and 270 transitions. [2022-02-21 04:18:24,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2022-02-21 04:18:24,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2022-02-21 04:18:24,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 270 transitions. [2022-02-21 04:18:24,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:24,477 INFO L681 BuchiCegarLoop]: Abstraction has 207 states and 270 transitions. [2022-02-21 04:18:24,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 270 transitions. [2022-02-21 04:18:24,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 137. [2022-02-21 04:18:24,508 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:24,513 INFO L82 GeneralOperation]: Start isEquivalent. First operand 207 states and 270 transitions. Second operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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 04:18:24,515 INFO L74 IsIncluded]: Start isIncluded. First operand 207 states and 270 transitions. Second operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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 04:18:24,517 INFO L87 Difference]: Start difference. First operand 207 states and 270 transitions. Second operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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 04:18:24,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:24,522 INFO L93 Difference]: Finished difference Result 207 states and 270 transitions. [2022-02-21 04:18:24,523 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 270 transitions. [2022-02-21 04:18:24,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:24,524 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:24,524 INFO L74 IsIncluded]: Start isIncluded. First operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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 207 states and 270 transitions. [2022-02-21 04:18:24,525 INFO L87 Difference]: Start difference. First operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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 207 states and 270 transitions. [2022-02-21 04:18:24,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:24,530 INFO L93 Difference]: Finished difference Result 207 states and 270 transitions. [2022-02-21 04:18:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 270 transitions. [2022-02-21 04:18:24,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:24,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:24,533 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:24,533 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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 04:18:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2022-02-21 04:18:24,537 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 179 transitions. [2022-02-21 04:18:24,538 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 179 transitions. [2022-02-21 04:18:24,538 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:18:24,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 179 transitions. [2022-02-21 04:18:24,539 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2022-02-21 04:18:24,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:24,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:24,543 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:24,543 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 04:18:24,543 INFO L791 eck$LassoCheckResult]: Stem: 417#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 410#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 402#L271 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 403#L264 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 418#L279 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 412#L235 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 404#L206 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 378#L872 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 355#L443-2 [2022-02-21 04:18:24,543 INFO L793 eck$LassoCheckResult]: Loop: 355#L443-2 assume !false; 382#L444 assume test_~splverifierCounter~0#1 < 4; 399#L445 test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 407#L453 assume !(0 != test_~tmp~2#1); 371#L453-2 test_~tmp___0~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 372#L463 assume !(0 != test_~tmp___0~0#1); 411#L463-2 test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 416#L473 assume 0 != test_~tmp___2~0#1; 400#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 401#L377 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 408#L882 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 409#L300 assume !(0 != ~pumpRunning~0); 396#L300-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 383#L324 assume { :end_inline_processEnvironment } true; 384#L307-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 392#L131 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 374#L893 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 361#L893-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 354#L317 assume { :end_inline_timeShift } true; 355#L443-2 [2022-02-21 04:18:24,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:24,544 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:18:24,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:24,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349600275] [2022-02-21 04:18:24,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:24,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:24,563 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:24,593 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:24,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:24,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1661915626, now seen corresponding path program 1 times [2022-02-21 04:18:24,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:24,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921698150] [2022-02-21 04:18:24,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:24,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:24,607 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:24,611 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:24,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:24,611 INFO L85 PathProgramCache]: Analyzing trace with hash -232167283, now seen corresponding path program 1 times [2022-02-21 04:18:24,611 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:24,611 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259541652] [2022-02-21 04:18:24,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:24,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:24,691 INFO L290 TraceCheckUtils]: 0: Hoare triple {902#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,692 INFO L290 TraceCheckUtils]: 1: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,692 INFO L290 TraceCheckUtils]: 2: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,693 INFO L290 TraceCheckUtils]: 3: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,693 INFO L290 TraceCheckUtils]: 4: Hoare triple {904#(<= ~waterLevel~0 1)} main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,693 INFO L290 TraceCheckUtils]: 5: Hoare triple {904#(<= ~waterLevel~0 1)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,694 INFO L290 TraceCheckUtils]: 6: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,694 INFO L290 TraceCheckUtils]: 7: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,694 INFO L290 TraceCheckUtils]: 8: Hoare triple {904#(<= ~waterLevel~0 1)} assume !false; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,695 INFO L290 TraceCheckUtils]: 9: Hoare triple {904#(<= ~waterLevel~0 1)} assume test_~splverifierCounter~0#1 < 4; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,695 INFO L290 TraceCheckUtils]: 10: Hoare triple {904#(<= ~waterLevel~0 1)} test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,695 INFO L290 TraceCheckUtils]: 11: Hoare triple {904#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp~2#1); {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,696 INFO L290 TraceCheckUtils]: 12: Hoare triple {904#(<= ~waterLevel~0 1)} test_~tmp___0~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,696 INFO L290 TraceCheckUtils]: 13: Hoare triple {904#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~0#1); {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,696 INFO L290 TraceCheckUtils]: 14: Hoare triple {904#(<= ~waterLevel~0 1)} test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,697 INFO L290 TraceCheckUtils]: 15: Hoare triple {904#(<= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,697 INFO L290 TraceCheckUtils]: 16: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,697 INFO L290 TraceCheckUtils]: 17: Hoare triple {904#(<= ~waterLevel~0 1)} __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,698 INFO L290 TraceCheckUtils]: 18: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,698 INFO L290 TraceCheckUtils]: 19: Hoare triple {904#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,698 INFO L290 TraceCheckUtils]: 20: Hoare triple {904#(<= ~waterLevel~0 1)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,699 INFO L290 TraceCheckUtils]: 21: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:24,699 INFO L290 TraceCheckUtils]: 22: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; {905#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} is VALID [2022-02-21 04:18:24,702 INFO L290 TraceCheckUtils]: 23: Hoare triple {905#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; {906#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6#1| 1)} is VALID [2022-02-21 04:18:24,702 INFO L290 TraceCheckUtils]: 24: Hoare triple {906#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6#1| 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); {903#false} is VALID [2022-02-21 04:18:24,703 INFO L290 TraceCheckUtils]: 25: Hoare triple {903#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {903#false} is VALID [2022-02-21 04:18:24,704 INFO L290 TraceCheckUtils]: 26: Hoare triple {903#false} assume { :end_inline_timeShift } true; {903#false} is VALID [2022-02-21 04:18:24,704 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 04:18:24,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:24,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259541652] [2022-02-21 04:18:24,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259541652] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:24,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:24,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:18:24,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450492351] [2022-02-21 04:18:24,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:24,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:24,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:18:24,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:18:24,790 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 04:18:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:25,099 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2022-02-21 04:18:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:25,099 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 04:18:25,117 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:25,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 353 states and 459 transitions. [2022-02-21 04:18:25,127 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 238 [2022-02-21 04:18:25,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 353 states to 353 states and 459 transitions. [2022-02-21 04:18:25,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2022-02-21 04:18:25,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2022-02-21 04:18:25,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 459 transitions. [2022-02-21 04:18:25,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:25,142 INFO L681 BuchiCegarLoop]: Abstraction has 353 states and 459 transitions. [2022-02-21 04:18:25,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 459 transitions. [2022-02-21 04:18:25,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 264. [2022-02-21 04:18:25,163 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:25,164 INFO L82 GeneralOperation]: Start isEquivalent. First operand 353 states and 459 transitions. Second operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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 04:18:25,165 INFO L74 IsIncluded]: Start isIncluded. First operand 353 states and 459 transitions. Second operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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 04:18:25,165 INFO L87 Difference]: Start difference. First operand 353 states and 459 transitions. Second operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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 04:18:25,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:25,173 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2022-02-21 04:18:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 459 transitions. [2022-02-21 04:18:25,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:25,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:25,182 INFO L74 IsIncluded]: Start isIncluded. First operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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 353 states and 459 transitions. [2022-02-21 04:18:25,182 INFO L87 Difference]: Start difference. First operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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 353 states and 459 transitions. [2022-02-21 04:18:25,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:25,190 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2022-02-21 04:18:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 459 transitions. [2022-02-21 04:18:25,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:25,191 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:25,192 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:25,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:25,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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 04:18:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 340 transitions. [2022-02-21 04:18:25,198 INFO L704 BuchiCegarLoop]: Abstraction has 264 states and 340 transitions. [2022-02-21 04:18:25,198 INFO L587 BuchiCegarLoop]: Abstraction has 264 states and 340 transitions. [2022-02-21 04:18:25,198 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:18:25,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 264 states and 340 transitions. [2022-02-21 04:18:25,201 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 194 [2022-02-21 04:18:25,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:25,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:25,212 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:25,212 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, 1, 1] [2022-02-21 04:18:25,212 INFO L791 eck$LassoCheckResult]: Stem: 1359#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 1344#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1332#L271 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1333#L264 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 1362#L279 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1346#L235 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1334#L206 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1305#L872 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1278#L443-2 [2022-02-21 04:18:25,213 INFO L793 eck$LassoCheckResult]: Loop: 1278#L443-2 assume !false; 1308#L444 assume test_~splverifierCounter~0#1 < 4; 1329#L445 test_~tmp~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 1337#L453 assume !(0 != test_~tmp~2#1); 1295#L453-2 test_~tmp___0~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 1296#L463 assume !(0 != test_~tmp___0~0#1); 1428#L463-2 test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 1426#L473 assume 0 != test_~tmp___2~0#1; 1421#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 1412#L377 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 1388#L882 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1384#L300 assume !(0 != ~pumpRunning~0); 1380#L300-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1377#L324 assume { :end_inline_processEnvironment } true; 1375#L307-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1376#L131 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 1299#L893 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~6#1;havoc isPumpRunning_~retValue_acc~6#1;isPumpRunning_~retValue_acc~6#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; 1300#L377-1 __utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1283#L897 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 1284#L893-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1277#L317 assume { :end_inline_timeShift } true; 1278#L443-2 [2022-02-21 04:18:25,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:25,213 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:18:25,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:25,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324609391] [2022-02-21 04:18:25,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:25,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:25,222 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:25,237 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:25,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:25,238 INFO L85 PathProgramCache]: Analyzing trace with hash 607818289, now seen corresponding path program 1 times [2022-02-21 04:18:25,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:25,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245657930] [2022-02-21 04:18:25,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:25,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:25,257 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:25,261 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:25,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:25,262 INFO L85 PathProgramCache]: Analyzing trace with hash 206441192, now seen corresponding path program 1 times [2022-02-21 04:18:25,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:25,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843089987] [2022-02-21 04:18:25,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:25,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:25,275 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:25,294 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:27,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:18:27 BoogieIcfgContainer [2022-02-21 04:18:27,825 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:18:27,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:18:27,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:18:27,826 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:18:27,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:23" (3/4) ... [2022-02-21 04:18:27,830 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:18:27,875 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:18:27,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:18:27,876 INFO L158 Benchmark]: Toolchain (without parser) took 5631.59ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 67.7MB in the beginning and 48.3MB in the end (delta: 19.4MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:27,876 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:27,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.40ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:18:27,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.29ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:27,877 INFO L158 Benchmark]: Boogie Preprocessor took 33.40ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 60.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:27,877 INFO L158 Benchmark]: RCFGBuilder took 444.41ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.7MB in the beginning and 105.2MB in the end (delta: -44.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-02-21 04:18:27,877 INFO L158 Benchmark]: BuchiAutomizer took 4609.51ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 105.2MB in the beginning and 50.4MB in the end (delta: 54.8MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2022-02-21 04:18:27,877 INFO L158 Benchmark]: Witness Printer took 49.10ms. Allocated memory is still 161.5MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:27,879 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 0.17ms. Allocated memory is still 100.7MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.40ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.29ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.40ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 60.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.41ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.7MB in the beginning and 105.2MB in the end (delta: -44.5MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4609.51ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 105.2MB in the beginning and 50.4MB in the end (delta: 54.8MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * Witness Printer took 49.10ms. Allocated memory is still 161.5MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 264 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.1s. 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, 159 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 264 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 666 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 666 mSDsluCounter, 1165 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 933 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 232 mSDtfsCounter, 107 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: 443]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d64f571=0, retValue_acc=0, methaneLevelCritical=0, \result=1, retValue_acc=1, tmp=1, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28e3bce2=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b6da279=29, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@85f0a63=0, switchedOnBeforeTS=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54263198=0, tmp=1, \result=0, tmp___0=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@267436a4=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eb2af10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1976caf4=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 443]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L145] int cleanupTimeShifts = 4; [L288] int pumpRunning = 0; [L289] int systemActive = 1; [L669] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L866] int switchedOnBeforeTS ; [L226] int retValue_acc ; [L227] int tmp ; [L231] FCALL select_helpers() [L232] FCALL select_features() [L233] CALL, EXPR valid_product() [L275] int retValue_acc ; [L278] retValue_acc = 1 [L279] return (retValue_acc); [L233] RET, EXPR valid_product() [L233] tmp = valid_product() [L235] COND TRUE \read(tmp) [L237] FCALL setup() [L238] CALL runTest() [L216] CALL __utac_acc__Specification5_spec__1() [L871] switchedOnBeforeTS = 0 [L216] RET __utac_acc__Specification5_spec__1() [L217] CALL test() [L434] int splverifierCounter ; [L435] int tmp ; [L436] int tmp___0 ; [L437] int tmp___1 ; [L438] int tmp___2 ; [L441] splverifierCounter = 0 Loop: [L443] COND TRUE 1 [L445] COND TRUE splverifierCounter < 4 [L451] tmp = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp)) [L461] tmp___0 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___0)) [L471] tmp___2 = __VERIFIER_nondet_int() [L473] COND TRUE \read(tmp___2) [L488] CALL timeShift() [L298] CALL __utac_acc__Specification5_spec__2() [L880] CALL, EXPR isPumpRunning() [L373] int retValue_acc ; [L376] retValue_acc = pumpRunning [L377] return (retValue_acc); [L880] RET, EXPR isPumpRunning() [L880] switchedOnBeforeTS = isPumpRunning() [L298] RET __utac_acc__Specification5_spec__2() [L300] COND FALSE !(\read(pumpRunning)) [L307] COND TRUE \read(systemActive) [L309] FCALL processEnvironment() [L315] CALL __utac_acc__Specification5_spec__3() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND TRUE tmp != 2 [L895] CALL, EXPR isPumpRunning() [L373] int retValue_acc ; [L376] retValue_acc = pumpRunning [L377] return (retValue_acc); [L895] RET, EXPR isPumpRunning() [L895] tmp___0 = isPumpRunning() [L897] COND FALSE !(\read(tmp___0)) [L315] RET __utac_acc__Specification5_spec__3() [L488] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:18:27,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)