./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product38.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_product38.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 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:18:41,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:18:41,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:18:41,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:18:41,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:18:41,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:18:41,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:18:41,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:18:41,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:18:41,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:18:41,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:18:41,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:18:41,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:18:41,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:18:41,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:18:41,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:18:41,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:18:41,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:18:41,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:18:41,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:18:41,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:18:41,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:18:41,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:18:41,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:18:41,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:18:41,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:18:41,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:18:41,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:18:41,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:18:41,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:18:41,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:18:41,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:18:41,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:18:41,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:18:41,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:18:41,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:18:41,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:18:41,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:18:41,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:18:41,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:18:41,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:18:41,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:18:41,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:18:41,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:18:41,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:18:41,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:18:41,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:18:41,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:18:41,646 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:18:41,646 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:18:41,646 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:18:41,646 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:18:41,646 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:18:41,646 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:18:41,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:18:41,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:18:41,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:18:41,648 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:18:41,648 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:18:41,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:18:41,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:18:41,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:18:41,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:18:41,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:18:41,649 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:18:41,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 [2022-02-21 04:18:41,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:18:41,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:18:41,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:18:41,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:18:41,877 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:18:41,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-02-21 04:18:41,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a3ae93fc/2b7b2ed0c5064316b6772520f2d33fae/FLAGe159c2b5d [2022-02-21 04:18:42,337 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:18:42,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-02-21 04:18:42,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a3ae93fc/2b7b2ed0c5064316b6772520f2d33fae/FLAGe159c2b5d [2022-02-21 04:18:42,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a3ae93fc/2b7b2ed0c5064316b6772520f2d33fae [2022-02-21 04:18:42,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:18:42,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:18:42,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:42,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:18:42,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:18:42,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e336d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42, skipping insertion in model container [2022-02-21 04:18:42,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:18:42,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:18:42,558 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_product38.cil.c[1605,1618] [2022-02-21 04:18:42,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:42,686 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:18:42,704 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_product38.cil.c[1605,1618] [2022-02-21 04:18:42,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:42,785 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:18:42,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42 WrapperNode [2022-02-21 04:18:42,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:42,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:42,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:18:42,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:18:42,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,847 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 54, calls inlined = 85, statements flattened = 624 [2022-02-21 04:18:42,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:42,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:18:42,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:18:42,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:18:42,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:18:42,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:18:42,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:18:42,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:18:42,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (1/1) ... [2022-02-21 04:18:42,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:18:42,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:18:42,936 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 04:18:42,962 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 04:18:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:18:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:18:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:18:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:18:43,035 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:18:43,037 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:18:43,466 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:18:43,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:18:43,472 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:18:43,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:43 BoogieIcfgContainer [2022-02-21 04:18:43,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:18:43,474 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:18:43,475 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:18:43,477 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:18:43,477 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:43,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:18:42" (1/3) ... [2022-02-21 04:18:43,478 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23dffea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:43, skipping insertion in model container [2022-02-21 04:18:43,478 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:43,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:42" (2/3) ... [2022-02-21 04:18:43,479 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23dffea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:43, skipping insertion in model container [2022-02-21 04:18:43,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:43,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:43" (3/3) ... [2022-02-21 04:18:43,480 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2022-02-21 04:18:43,516 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:18:43,517 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:18:43,517 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:18:43,517 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:18:43,517 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:18:43,517 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:18:43,517 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:18:43,518 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:18:43,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 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 04:18:43,603 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-02-21 04:18:43,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:43,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:43,609 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:43,609 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 04:18:43,609 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:18:43,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 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 04:18:43,636 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-02-21 04:18:43,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:43,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:43,637 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:43,637 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 04:18:43,644 INFO L791 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 56#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 48#L894true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 156#L887true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 131#L902true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 117#L151true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 64#L122true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 71#L173true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 17#L917-2true [2022-02-21 04:18:43,645 INFO L793 eck$LassoCheckResult]: Loop: 17#L917-2true assume !false; 20#L918true assume test_~splverifierCounter~0#1 < 4; 119#L919true test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 18#L927true assume !(0 != test_~tmp~8#1); 34#L927-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 118#L937true assume !(0 != test_~tmp___0~2#1); 136#L937-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 66#L947true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 101#L955true assume 0 != test_~tmp___1~0#1; 77#L955-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 14#L804true __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 43#L183true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 153#L693true assume !(0 != ~pumpRunning~0); 73#L693-2true assume !(0 != ~systemActive~0); 82#L700-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 146#L661true __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 133#L194true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 9#L194-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 93#L710true assume { :end_inline_timeShift } true; 17#L917-2true [2022-02-21 04:18:43,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:43,654 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:18:43,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:43,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938745423] [2022-02-21 04:18:43,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:43,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:43,757 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:43,794 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:43,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:43,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1127540876, now seen corresponding path program 1 times [2022-02-21 04:18:43,797 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:43,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922050738] [2022-02-21 04:18:43,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:43,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:43,805 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:43,812 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:43,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1737678077, now seen corresponding path program 1 times [2022-02-21 04:18:43,814 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:43,814 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142030302] [2022-02-21 04:18:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:43,957 INFO L290 TraceCheckUtils]: 0: Hoare triple {175#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {177#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:43,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {177#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {177#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:43,958 INFO L290 TraceCheckUtils]: 2: Hoare triple {177#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {177#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:43,959 INFO L290 TraceCheckUtils]: 3: Hoare triple {177#(= 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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; {178#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:18:43,959 INFO L290 TraceCheckUtils]: 4: Hoare triple {178#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {179#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} is VALID [2022-02-21 04:18:43,960 INFO L290 TraceCheckUtils]: 5: Hoare triple {179#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,960 INFO L290 TraceCheckUtils]: 6: Hoare triple {180#(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; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,960 INFO L290 TraceCheckUtils]: 7: Hoare triple {180#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,961 INFO L290 TraceCheckUtils]: 8: Hoare triple {180#(not (= 0 ~systemActive~0))} assume !false; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,962 INFO L290 TraceCheckUtils]: 9: Hoare triple {180#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,962 INFO L290 TraceCheckUtils]: 10: Hoare triple {180#(not (= 0 ~systemActive~0))} test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,963 INFO L290 TraceCheckUtils]: 11: Hoare triple {180#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~8#1); {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,963 INFO L290 TraceCheckUtils]: 12: Hoare triple {180#(not (= 0 ~systemActive~0))} test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,964 INFO L290 TraceCheckUtils]: 13: Hoare triple {180#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~2#1); {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,964 INFO L290 TraceCheckUtils]: 14: Hoare triple {180#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,965 INFO L290 TraceCheckUtils]: 15: Hoare triple {180#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,965 INFO L290 TraceCheckUtils]: 16: Hoare triple {180#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___1~0#1; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,966 INFO L290 TraceCheckUtils]: 17: Hoare triple {180#(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~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,966 INFO L290 TraceCheckUtils]: 18: Hoare triple {180#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,967 INFO L290 TraceCheckUtils]: 19: Hoare triple {180#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,968 INFO L290 TraceCheckUtils]: 20: Hoare triple {180#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {180#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:43,968 INFO L290 TraceCheckUtils]: 21: Hoare triple {180#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {176#false} is VALID [2022-02-21 04:18:43,969 INFO L290 TraceCheckUtils]: 22: Hoare triple {176#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; {176#false} is VALID [2022-02-21 04:18:43,970 INFO L290 TraceCheckUtils]: 23: Hoare triple {176#false} __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; {176#false} is VALID [2022-02-21 04:18:43,971 INFO L290 TraceCheckUtils]: 24: Hoare triple {176#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); {176#false} is VALID [2022-02-21 04:18:43,972 INFO L290 TraceCheckUtils]: 25: Hoare triple {176#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {176#false} is VALID [2022-02-21 04:18:43,972 INFO L290 TraceCheckUtils]: 26: Hoare triple {176#false} assume { :end_inline_timeShift } true; {176#false} is VALID [2022-02-21 04:18:43,973 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 04:18:43,973 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:43,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142030302] [2022-02-21 04:18:43,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142030302] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:43,975 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:43,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:43,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448749771] [2022-02-21 04:18:43,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:44,144 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:44,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:18:44,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:18:44,186 INFO L87 Difference]: Start difference. First operand has 167 states, 166 states have (on average 1.3674698795180722) internal successors, (227), 166 states have internal predecessors, (227), 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 4.5) internal successors, (27), 5 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 04:18:44,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:44,586 INFO L93 Difference]: Finished difference Result 164 states and 213 transitions. [2022-02-21 04:18:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:18:44,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 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 04:18:44,611 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 04:18:44,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 213 transitions. [2022-02-21 04:18:44,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-02-21 04:18:44,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 154 states and 203 transitions. [2022-02-21 04:18:44,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2022-02-21 04:18:44,629 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2022-02-21 04:18:44,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 203 transitions. [2022-02-21 04:18:44,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:44,630 INFO L681 BuchiCegarLoop]: Abstraction has 154 states and 203 transitions. [2022-02-21 04:18:44,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 203 transitions. [2022-02-21 04:18:44,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-02-21 04:18:44,652 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:44,654 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states and 203 transitions. Second operand has 154 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 153 states have internal predecessors, (203), 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 04:18:44,654 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states and 203 transitions. Second operand has 154 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 153 states have internal predecessors, (203), 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 04:18:44,656 INFO L87 Difference]: Start difference. First operand 154 states and 203 transitions. Second operand has 154 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 153 states have internal predecessors, (203), 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 04:18:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:44,675 INFO L93 Difference]: Finished difference Result 154 states and 203 transitions. [2022-02-21 04:18:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 203 transitions. [2022-02-21 04:18:44,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:44,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:44,677 INFO L74 IsIncluded]: Start isIncluded. First operand has 154 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 153 states have internal predecessors, (203), 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 154 states and 203 transitions. [2022-02-21 04:18:44,677 INFO L87 Difference]: Start difference. First operand has 154 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 153 states have internal predecessors, (203), 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 154 states and 203 transitions. [2022-02-21 04:18:44,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:44,681 INFO L93 Difference]: Finished difference Result 154 states and 203 transitions. [2022-02-21 04:18:44,681 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 203 transitions. [2022-02-21 04:18:44,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:44,682 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:44,682 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:44,682 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 153 states have internal predecessors, (203), 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 04:18:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 203 transitions. [2022-02-21 04:18:44,687 INFO L704 BuchiCegarLoop]: Abstraction has 154 states and 203 transitions. [2022-02-21 04:18:44,687 INFO L587 BuchiCegarLoop]: Abstraction has 154 states and 203 transitions. [2022-02-21 04:18:44,687 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:18:44,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 203 transitions. [2022-02-21 04:18:44,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-02-21 04:18:44,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:44,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:44,688 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:44,688 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, 1, 1, 1] [2022-02-21 04:18:44,688 INFO L791 eck$LassoCheckResult]: Stem: 500#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 436#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 423#L894 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 424#L887 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 495#L902 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 486#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 447#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 448#L173 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 375#L917-2 [2022-02-21 04:18:44,689 INFO L793 eck$LassoCheckResult]: Loop: 375#L917-2 assume !false; 376#L918 assume test_~splverifierCounter~0#1 < 4; 385#L919 test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 377#L927 assume !(0 != test_~tmp~8#1); 379#L927-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 409#L937 assume !(0 != test_~tmp___0~2#1); 488#L937-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 451#L947 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 416#L868 assume { :end_inline_startSystem } true; 417#L955-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 368#L804 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 369#L183 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 418#L693 assume !(0 != ~pumpRunning~0); 350#L693-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 406#L751 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 390#L725-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 391#L717-3 assume { :end_inline_processEnvironment__wrappee__base } true; 362#L725-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 353#L751-1 assume { :end_inline_processEnvironment } true; 354#L700-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 464#L661 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 494#L194 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 357#L194-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 358#L710 assume { :end_inline_timeShift } true; 375#L917-2 [2022-02-21 04:18:44,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:44,689 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:18:44,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:44,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527808753] [2022-02-21 04:18:44,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:44,703 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:44,715 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:44,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:44,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1470608784, now seen corresponding path program 1 times [2022-02-21 04:18:44,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:44,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102400637] [2022-02-21 04:18:44,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:44,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:44,736 INFO L290 TraceCheckUtils]: 0: Hoare triple {816#true} assume !false; {816#true} is VALID [2022-02-21 04:18:44,736 INFO L290 TraceCheckUtils]: 1: Hoare triple {816#true} assume test_~splverifierCounter~0#1 < 4; {816#true} is VALID [2022-02-21 04:18:44,736 INFO L290 TraceCheckUtils]: 2: Hoare triple {816#true} test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {816#true} is VALID [2022-02-21 04:18:44,737 INFO L290 TraceCheckUtils]: 3: Hoare triple {816#true} assume !(0 != test_~tmp~8#1); {816#true} is VALID [2022-02-21 04:18:44,737 INFO L290 TraceCheckUtils]: 4: Hoare triple {816#true} test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {816#true} is VALID [2022-02-21 04:18:44,737 INFO L290 TraceCheckUtils]: 5: Hoare triple {816#true} assume !(0 != test_~tmp___0~2#1); {816#true} is VALID [2022-02-21 04:18:44,737 INFO L290 TraceCheckUtils]: 6: Hoare triple {816#true} test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {816#true} is VALID [2022-02-21 04:18:44,737 INFO L290 TraceCheckUtils]: 7: Hoare triple {816#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {816#true} is VALID [2022-02-21 04:18:44,738 INFO L290 TraceCheckUtils]: 8: Hoare triple {816#true} assume { :end_inline_startSystem } true; {816#true} is VALID [2022-02-21 04:18:44,738 INFO L290 TraceCheckUtils]: 9: Hoare triple {816#true} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; {816#true} is VALID [2022-02-21 04:18:44,738 INFO L290 TraceCheckUtils]: 10: Hoare triple {816#true} __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; {816#true} is VALID [2022-02-21 04:18:44,738 INFO L290 TraceCheckUtils]: 11: Hoare triple {816#true} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {816#true} is VALID [2022-02-21 04:18:44,739 INFO L290 TraceCheckUtils]: 12: Hoare triple {816#true} assume !(0 != ~pumpRunning~0); {818#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:18:44,739 INFO L290 TraceCheckUtils]: 13: Hoare triple {818#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; {818#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:18:44,740 INFO L290 TraceCheckUtils]: 14: Hoare triple {818#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; {818#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:18:44,740 INFO L290 TraceCheckUtils]: 15: Hoare triple {818#(= ~pumpRunning~0 0)} assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {817#false} is VALID [2022-02-21 04:18:44,740 INFO L290 TraceCheckUtils]: 16: Hoare triple {817#false} assume { :end_inline_processEnvironment__wrappee__base } true; {817#false} is VALID [2022-02-21 04:18:44,741 INFO L290 TraceCheckUtils]: 17: Hoare triple {817#false} assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; {817#false} is VALID [2022-02-21 04:18:44,741 INFO L290 TraceCheckUtils]: 18: Hoare triple {817#false} assume { :end_inline_processEnvironment } true; {817#false} is VALID [2022-02-21 04:18:44,741 INFO L290 TraceCheckUtils]: 19: Hoare triple {817#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; {817#false} is VALID [2022-02-21 04:18:44,742 INFO L290 TraceCheckUtils]: 20: Hoare triple {817#false} __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; {817#false} is VALID [2022-02-21 04:18:44,742 INFO L290 TraceCheckUtils]: 21: Hoare triple {817#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); {817#false} is VALID [2022-02-21 04:18:44,742 INFO L290 TraceCheckUtils]: 22: Hoare triple {817#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {817#false} is VALID [2022-02-21 04:18:44,744 INFO L290 TraceCheckUtils]: 23: Hoare triple {817#false} assume { :end_inline_timeShift } true; {817#false} is VALID [2022-02-21 04:18:44,744 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 04:18:44,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:44,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102400637] [2022-02-21 04:18:44,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102400637] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:44,745 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:44,745 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:18:44,745 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321791413] [2022-02-21 04:18:44,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:44,745 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:18:44,745 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:44,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:18:44,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:18:44,748 INFO L87 Difference]: Start difference. First operand 154 states and 203 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:45,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:45,003 INFO L93 Difference]: Finished difference Result 219 states and 278 transitions. [2022-02-21 04:18:45,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:18:45,003 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:45,025 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:45,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 219 states and 278 transitions. [2022-02-21 04:18:45,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2022-02-21 04:18:45,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 219 states to 219 states and 278 transitions. [2022-02-21 04:18:45,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 219 [2022-02-21 04:18:45,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 219 [2022-02-21 04:18:45,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 219 states and 278 transitions. [2022-02-21 04:18:45,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:45,047 INFO L681 BuchiCegarLoop]: Abstraction has 219 states and 278 transitions. [2022-02-21 04:18:45,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states and 278 transitions. [2022-02-21 04:18:45,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2022-02-21 04:18:45,067 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:45,068 INFO L82 GeneralOperation]: Start isEquivalent. First operand 219 states and 278 transitions. Second operand has 219 states, 219 states have (on average 1.269406392694064) internal successors, (278), 218 states have internal predecessors, (278), 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 04:18:45,069 INFO L74 IsIncluded]: Start isIncluded. First operand 219 states and 278 transitions. Second operand has 219 states, 219 states have (on average 1.269406392694064) internal successors, (278), 218 states have internal predecessors, (278), 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 04:18:45,069 INFO L87 Difference]: Start difference. First operand 219 states and 278 transitions. Second operand has 219 states, 219 states have (on average 1.269406392694064) internal successors, (278), 218 states have internal predecessors, (278), 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 04:18:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:45,077 INFO L93 Difference]: Finished difference Result 219 states and 278 transitions. [2022-02-21 04:18:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 278 transitions. [2022-02-21 04:18:45,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:45,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:45,089 INFO L74 IsIncluded]: Start isIncluded. First operand has 219 states, 219 states have (on average 1.269406392694064) internal successors, (278), 218 states have internal predecessors, (278), 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 219 states and 278 transitions. [2022-02-21 04:18:45,090 INFO L87 Difference]: Start difference. First operand has 219 states, 219 states have (on average 1.269406392694064) internal successors, (278), 218 states have internal predecessors, (278), 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 219 states and 278 transitions. [2022-02-21 04:18:45,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:45,096 INFO L93 Difference]: Finished difference Result 219 states and 278 transitions. [2022-02-21 04:18:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 278 transitions. [2022-02-21 04:18:45,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:45,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:45,097 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:45,097 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 219 states have (on average 1.269406392694064) internal successors, (278), 218 states have internal predecessors, (278), 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 04:18:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 278 transitions. [2022-02-21 04:18:45,105 INFO L704 BuchiCegarLoop]: Abstraction has 219 states and 278 transitions. [2022-02-21 04:18:45,105 INFO L587 BuchiCegarLoop]: Abstraction has 219 states and 278 transitions. [2022-02-21 04:18:45,105 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:18:45,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 278 transitions. [2022-02-21 04:18:45,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2022-02-21 04:18:45,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:45,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:45,109 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:45,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:45,115 INFO L791 eck$LassoCheckResult]: Stem: 1194#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1111#L894 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1112#L887 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1186#L902 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1178#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1136#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1137#L173 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1062#L917-2 [2022-02-21 04:18:45,116 INFO L793 eck$LassoCheckResult]: Loop: 1062#L917-2 assume !false; 1063#L918 assume test_~splverifierCounter~0#1 < 4; 1069#L919 test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1064#L927 assume !(0 != test_~tmp~8#1); 1066#L927-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1094#L937 assume !(0 != test_~tmp___0~2#1); 1180#L937-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1138#L947 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1139#L955 assume 0 != test_~tmp___1~0#1; 1103#L955-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 1056#L804 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 1057#L183 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1106#L693 assume !(0 != ~pumpRunning~0); 1146#L693-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1092#L751 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 1075#L725-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 1076#L669-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 1117#L674-1 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 1154#L853-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1115#L853-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1116#L859-1 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 1197#L729-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1189#L717-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1052#L725-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1042#L751-1 assume { :end_inline_processEnvironment } true; 1043#L700-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 1155#L661 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 1188#L194 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 1046#L194-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1047#L710 assume { :end_inline_timeShift } true; 1062#L917-2 [2022-02-21 04:18:45,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:45,116 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:18:45,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:45,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389855381] [2022-02-21 04:18:45,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:45,128 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:45,148 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:45,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:45,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1559207751, now seen corresponding path program 1 times [2022-02-21 04:18:45,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:45,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264469440] [2022-02-21 04:18:45,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:45,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:45,203 INFO L290 TraceCheckUtils]: 0: Hoare triple {1700#true} assume !false; {1700#true} is VALID [2022-02-21 04:18:45,203 INFO L290 TraceCheckUtils]: 1: Hoare triple {1700#true} assume test_~splverifierCounter~0#1 < 4; {1700#true} is VALID [2022-02-21 04:18:45,204 INFO L290 TraceCheckUtils]: 2: Hoare triple {1700#true} test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {1700#true} is VALID [2022-02-21 04:18:45,204 INFO L290 TraceCheckUtils]: 3: Hoare triple {1700#true} assume !(0 != test_~tmp~8#1); {1700#true} is VALID [2022-02-21 04:18:45,204 INFO L290 TraceCheckUtils]: 4: Hoare triple {1700#true} test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {1700#true} is VALID [2022-02-21 04:18:45,204 INFO L290 TraceCheckUtils]: 5: Hoare triple {1700#true} assume !(0 != test_~tmp___0~2#1); {1700#true} is VALID [2022-02-21 04:18:45,204 INFO L290 TraceCheckUtils]: 6: Hoare triple {1700#true} test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {1700#true} is VALID [2022-02-21 04:18:45,204 INFO L290 TraceCheckUtils]: 7: Hoare triple {1700#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; {1700#true} is VALID [2022-02-21 04:18:45,204 INFO L290 TraceCheckUtils]: 8: Hoare triple {1700#true} assume 0 != test_~tmp___1~0#1; {1700#true} is VALID [2022-02-21 04:18:45,205 INFO L290 TraceCheckUtils]: 9: Hoare triple {1700#true} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; {1700#true} is VALID [2022-02-21 04:18:45,205 INFO L290 TraceCheckUtils]: 10: Hoare triple {1700#true} __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; {1700#true} is VALID [2022-02-21 04:18:45,205 INFO L290 TraceCheckUtils]: 11: Hoare triple {1700#true} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {1700#true} is VALID [2022-02-21 04:18:45,205 INFO L290 TraceCheckUtils]: 12: Hoare triple {1700#true} assume !(0 != ~pumpRunning~0); {1700#true} is VALID [2022-02-21 04:18:45,205 INFO L290 TraceCheckUtils]: 13: Hoare triple {1700#true} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; {1700#true} is VALID [2022-02-21 04:18:45,205 INFO L290 TraceCheckUtils]: 14: Hoare triple {1700#true} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; {1700#true} is VALID [2022-02-21 04:18:45,206 INFO L290 TraceCheckUtils]: 15: Hoare triple {1700#true} assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; {1700#true} is VALID [2022-02-21 04:18:45,206 INFO L290 TraceCheckUtils]: 16: Hoare triple {1700#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,206 INFO L290 TraceCheckUtils]: 17: Hoare triple {1702#(not (= 2 ~waterLevel~0))} isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,207 INFO L290 TraceCheckUtils]: 18: Hoare triple {1702#(not (= 2 ~waterLevel~0))} assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,207 INFO L290 TraceCheckUtils]: 19: Hoare triple {1702#(not (= 2 ~waterLevel~0))} isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,207 INFO L290 TraceCheckUtils]: 20: Hoare triple {1702#(not (= 2 ~waterLevel~0))} processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,208 INFO L290 TraceCheckUtils]: 21: Hoare triple {1702#(not (= 2 ~waterLevel~0))} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,208 INFO L290 TraceCheckUtils]: 22: Hoare triple {1702#(not (= 2 ~waterLevel~0))} assume { :end_inline_processEnvironment__wrappee__base } true; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,208 INFO L290 TraceCheckUtils]: 23: Hoare triple {1702#(not (= 2 ~waterLevel~0))} assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,209 INFO L290 TraceCheckUtils]: 24: Hoare triple {1702#(not (= 2 ~waterLevel~0))} assume { :end_inline_processEnvironment } true; {1702#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:45,209 INFO L290 TraceCheckUtils]: 25: Hoare triple {1702#(not (= 2 ~waterLevel~0))} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; {1703#(not (= |ULTIMATE.start_getWaterLevel_#res#1| 2))} is VALID [2022-02-21 04:18:45,210 INFO L290 TraceCheckUtils]: 26: Hoare triple {1703#(not (= |ULTIMATE.start_getWaterLevel_#res#1| 2))} __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; {1704#(not (= 2 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1#1|))} is VALID [2022-02-21 04:18:45,210 INFO L290 TraceCheckUtils]: 27: Hoare triple {1704#(not (= 2 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1#1|))} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); {1701#false} is VALID [2022-02-21 04:18:45,210 INFO L290 TraceCheckUtils]: 28: Hoare triple {1701#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {1701#false} is VALID [2022-02-21 04:18:45,210 INFO L290 TraceCheckUtils]: 29: Hoare triple {1701#false} assume { :end_inline_timeShift } true; {1701#false} is VALID [2022-02-21 04:18:45,211 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 04:18:45,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:45,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264469440] [2022-02-21 04:18:45,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264469440] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:45,211 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:45,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:45,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366117220] [2022-02-21 04:18:45,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:45,212 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:18:45,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:45,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:18:45,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:18:45,213 INFO L87 Difference]: Start difference. First operand 219 states and 278 transitions. cyclomatic complexity: 61 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 04:18:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:46,091 INFO L93 Difference]: Finished difference Result 972 states and 1229 transitions. [2022-02-21 04:18:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:18:46,091 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 04:18:46,108 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:46,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 972 states and 1229 transitions. [2022-02-21 04:18:46,140 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 669 [2022-02-21 04:18:46,170 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 972 states to 972 states and 1229 transitions. [2022-02-21 04:18:46,170 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 972 [2022-02-21 04:18:46,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 972 [2022-02-21 04:18:46,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 972 states and 1229 transitions. [2022-02-21 04:18:46,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:46,173 INFO L681 BuchiCegarLoop]: Abstraction has 972 states and 1229 transitions. [2022-02-21 04:18:46,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states and 1229 transitions. [2022-02-21 04:18:46,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 427. [2022-02-21 04:18:46,180 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:46,181 INFO L82 GeneralOperation]: Start isEquivalent. First operand 972 states and 1229 transitions. Second operand has 427 states, 427 states have (on average 1.2552693208430914) internal successors, (536), 426 states have internal predecessors, (536), 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 04:18:46,182 INFO L74 IsIncluded]: Start isIncluded. First operand 972 states and 1229 transitions. Second operand has 427 states, 427 states have (on average 1.2552693208430914) internal successors, (536), 426 states have internal predecessors, (536), 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 04:18:46,182 INFO L87 Difference]: Start difference. First operand 972 states and 1229 transitions. Second operand has 427 states, 427 states have (on average 1.2552693208430914) internal successors, (536), 426 states have internal predecessors, (536), 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 04:18:46,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:46,211 INFO L93 Difference]: Finished difference Result 972 states and 1229 transitions. [2022-02-21 04:18:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1229 transitions. [2022-02-21 04:18:46,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:46,212 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:46,213 INFO L74 IsIncluded]: Start isIncluded. First operand has 427 states, 427 states have (on average 1.2552693208430914) internal successors, (536), 426 states have internal predecessors, (536), 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 972 states and 1229 transitions. [2022-02-21 04:18:46,214 INFO L87 Difference]: Start difference. First operand has 427 states, 427 states have (on average 1.2552693208430914) internal successors, (536), 426 states have internal predecessors, (536), 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 972 states and 1229 transitions. [2022-02-21 04:18:46,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:46,240 INFO L93 Difference]: Finished difference Result 972 states and 1229 transitions. [2022-02-21 04:18:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1229 transitions. [2022-02-21 04:18:46,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:46,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:46,242 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:46,242 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 427 states have (on average 1.2552693208430914) internal successors, (536), 426 states have internal predecessors, (536), 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 04:18:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 536 transitions. [2022-02-21 04:18:46,249 INFO L704 BuchiCegarLoop]: Abstraction has 427 states and 536 transitions. [2022-02-21 04:18:46,250 INFO L587 BuchiCegarLoop]: Abstraction has 427 states and 536 transitions. [2022-02-21 04:18:46,250 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2022-02-21 04:18:46,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 427 states and 536 transitions. [2022-02-21 04:18:46,251 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 302 [2022-02-21 04:18:46,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:46,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:46,252 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:46,252 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:46,252 INFO L791 eck$LassoCheckResult]: Stem: 2875#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 2782#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 2765#L894 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2766#L887 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 2858#L902 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 2846#L151 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2795#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2796#L173 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2805#L917-2 [2022-02-21 04:18:46,253 INFO L793 eck$LassoCheckResult]: Loop: 2805#L917-2 assume !false; 2722#L918 assume test_~splverifierCounter~0#1 < 4; 2723#L919 test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 3066#L927 assume !(0 != test_~tmp~8#1); 3064#L927-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 3062#L937 assume !(0 != test_~tmp___0~2#1); 3060#L937-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 3059#L947 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3057#L868 assume { :end_inline_startSystem } true; 3056#L955-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 3052#L804 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 3051#L183 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3034#L693 assume !(0 != ~pumpRunning~0); 2806#L693-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 2744#L751 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 2745#L725-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1; 2981#L669-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; 2771#L674-1 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 2980#L853-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2978#L853-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 2976#L859-1 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 2974#L729-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2862#L717-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2705#L725-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2694#L751-1 assume { :end_inline_processEnvironment } true; 2695#L700-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; 2817#L661 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 2939#L194 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 2818#L804-1 __utac_acc__Specification5_spec__3_#t~ret7#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret7#1;havoc __utac_acc__Specification5_spec__3_#t~ret7#1; 2819#L198 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 3054#L194-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3053#L710 assume { :end_inline_timeShift } true; 2805#L917-2 [2022-02-21 04:18:46,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:46,253 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-02-21 04:18:46,253 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:46,254 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172250092] [2022-02-21 04:18:46,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:46,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:46,275 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:46,283 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:46,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash -510097693, now seen corresponding path program 1 times [2022-02-21 04:18:46,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:46,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826973329] [2022-02-21 04:18:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:46,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:46,309 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:46,327 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:46,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:46,328 INFO L85 PathProgramCache]: Analyzing trace with hash 86459852, now seen corresponding path program 1 times [2022-02-21 04:18:46,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:46,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143250197] [2022-02-21 04:18:46,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:46,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:46,343 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:46,361 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:49,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:18:49 BoogieIcfgContainer [2022-02-21 04:18:49,303 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:18:49,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:18:49,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:18:49,303 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:18:49,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:43" (3/4) ... [2022-02-21 04:18:49,305 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:18:49,359 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:18:49,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:18:49,360 INFO L158 Benchmark]: Toolchain (without parser) took 6988.47ms. Allocated memory was 83.9MB in the beginning and 155.2MB in the end (delta: 71.3MB). Free memory was 50.1MB in the beginning and 103.8MB in the end (delta: -53.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-02-21 04:18:49,360 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:49,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.89ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 63.9MB in the end (delta: -14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:18:49,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.12ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 59.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:49,361 INFO L158 Benchmark]: Boogie Preprocessor took 30.36ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 57.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:49,361 INFO L158 Benchmark]: RCFGBuilder took 594.18ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 71.8MB in the end (delta: -14.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-02-21 04:18:49,362 INFO L158 Benchmark]: BuchiAutomizer took 5828.18ms. Allocated memory was 100.7MB in the beginning and 155.2MB in the end (delta: 54.5MB). Free memory was 71.8MB in the beginning and 106.9MB in the end (delta: -35.1MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2022-02-21 04:18:49,362 INFO L158 Benchmark]: Witness Printer took 56.35ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 103.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:49,363 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 0.10ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 26.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.89ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 63.9MB in the end (delta: -14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.12ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 59.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.36ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 57.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.18ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 71.8MB in the end (delta: -14.7MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5828.18ms. Allocated memory was 100.7MB in the beginning and 155.2MB in the end (delta: 54.5MB). Free memory was 71.8MB in the beginning and 106.9MB in the end (delta: -35.1MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * Witness Printer took 56.35ms. Allocated memory is still 155.2MB. Free memory was 106.9MB in the beginning and 103.8MB in the end (delta: 3.1MB). 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 427 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 545 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 427 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1696 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1696 mSDsluCounter, 1825 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1058 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 767 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 917]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68c415d1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c4a9998=29, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d93b863=0, tmp___0=0, retValue_acc=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dcc271e=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3de2e512=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@679ef59d=0, methaneLevelCritical=0, tmp=0, retValue_acc=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c25eb53=0, retValue_acc=1, \result=1, tmp=1, \result=1, tmp=1, tmp___2=29, \result=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, tmp=1, \result=0, tmp___0=0, head=0, \result=1, tmp___1=0, retValue_acc=1, NULL=0, waterLevel=1, systemActive=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54bf4062=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b8090b2=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2925a725=0, tmp=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77aa3c29=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 917]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L167] int switchedOnBeforeTS ; [L385] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L586] int waterLevel = 1; [L587] int methaneLevelCritical = 0; [L683] int pumpRunning = 0; [L684] int systemActive = 1; [L142] int retValue_acc ; [L143] int tmp ; [L147] FCALL select_helpers() [L148] FCALL select_features() [L149] CALL, EXPR valid_product() [L898] int retValue_acc ; [L901] retValue_acc = 1 [L902] return (retValue_acc); [L149] RET, EXPR valid_product() [L149] tmp = valid_product() [L151] COND TRUE \read(tmp) [L153] FCALL setup() [L154] CALL runTest() [L132] CALL __utac_acc__Specification5_spec__1() [L172] switchedOnBeforeTS = 0 [L132] RET __utac_acc__Specification5_spec__1() [L133] CALL test() [L908] int splverifierCounter ; [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L912] int tmp___2 ; [L915] splverifierCounter = 0 Loop: [L917] COND TRUE 1 [L919] COND TRUE splverifierCounter < 4 [L925] tmp = __VERIFIER_nondet_int() [L927] COND FALSE !(\read(tmp)) [L935] tmp___0 = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp___0)) [L945] tmp___2 = __VERIFIER_nondet_int() [L947] COND TRUE \read(tmp___2) [L949] CALL startSystem() [L867] systemActive = 1 [L949] RET startSystem() [L962] CALL timeShift() [L691] CALL __utac_acc__Specification5_spec__2() [L181] CALL, EXPR isPumpRunning() [L800] int retValue_acc ; [L803] retValue_acc = pumpRunning [L804] return (retValue_acc); [L181] RET, EXPR isPumpRunning() [L181] switchedOnBeforeTS = isPumpRunning() [L691] RET __utac_acc__Specification5_spec__2() [L693] COND FALSE !(\read(pumpRunning)) [L700] COND TRUE \read(systemActive) [L702] CALL processEnvironment() [L748] int tmp ; [L751] COND FALSE !(\read(pumpRunning)) [L766] CALL processEnvironment__wrappee__highWaterSensor() [L722] int tmp ; [L725] COND TRUE ! pumpRunning [L727] CALL, EXPR isHighWaterLevel() [L845] int retValue_acc ; [L846] int tmp ; [L847] int tmp___0 ; [L851] CALL, EXPR isHighWaterSensorDry() [L666] int retValue_acc ; [L669] COND TRUE waterLevel < 2 [L670] retValue_acc = 1 [L671] return (retValue_acc); [L851] RET, EXPR isHighWaterSensorDry() [L851] tmp = isHighWaterSensorDry() [L853] COND TRUE \read(tmp) [L854] tmp___0 = 0 [L858] retValue_acc = tmp___0 [L859] return (retValue_acc); [L727] RET, EXPR isHighWaterLevel() [L727] tmp = isHighWaterLevel() [L729] COND FALSE !(\read(tmp)) [L735] FCALL processEnvironment__wrappee__base() [L766] RET processEnvironment__wrappee__highWaterSensor() [L702] RET processEnvironment() [L708] CALL __utac_acc__Specification5_spec__3() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR getWaterLevel() [L657] int retValue_acc ; [L660] retValue_acc = waterLevel [L661] return (retValue_acc); [L192] RET, EXPR getWaterLevel() [L192] tmp = getWaterLevel() [L194] COND TRUE tmp != 2 [L196] CALL, EXPR isPumpRunning() [L800] int retValue_acc ; [L803] retValue_acc = pumpRunning [L804] return (retValue_acc); [L196] RET, EXPR isPumpRunning() [L196] tmp___0 = isPumpRunning() [L198] COND FALSE !(\read(tmp___0)) [L708] RET __utac_acc__Specification5_spec__3() [L962] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:18:49,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)