./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product07.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_product07.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 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:18:18,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:18:18,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:18:18,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:18:18,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:18:18,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:18:18,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:18:18,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:18:18,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:18:18,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:18:18,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:18:18,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:18:18,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:18:18,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:18:18,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:18:18,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:18:18,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:18:18,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:18:18,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:18:18,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:18:18,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:18:18,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:18:18,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:18:18,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:18:18,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:18:18,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:18:18,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:18:18,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:18:18,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:18:18,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:18:18,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:18:18,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:18:18,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:18:18,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:18:18,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:18:18,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:18:18,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:18:18,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:18:18,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:18:18,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:18:18,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:18:18,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:18:18,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:18:18,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:18:18,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:18:18,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:18:18,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:18:18,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:18:18,439 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:18:18,439 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:18:18,439 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:18:18,440 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:18:18,440 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:18:18,441 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:18:18,441 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:18:18,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:18:18,441 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:18:18,441 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:18:18,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:18:18,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:18:18,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:18:18,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:18:18,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:18:18,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:18:18,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:18:18,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:18:18,443 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:18:18,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:18:18,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:18:18,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:18:18,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:18:18,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:18:18,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:18:18,445 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:18:18,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2022-02-21 04:18:18,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:18:18,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:18:18,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:18:18,680 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:18:18,681 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:18:18,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2022-02-21 04:18:18,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4d7ade4/7fd4d86cbe174911955e2328c6993e81/FLAG74e47221d [2022-02-21 04:18:19,246 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:18:19,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2022-02-21 04:18:19,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4d7ade4/7fd4d86cbe174911955e2328c6993e81/FLAG74e47221d [2022-02-21 04:18:19,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4d7ade4/7fd4d86cbe174911955e2328c6993e81 [2022-02-21 04:18:19,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:18:19,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:18:19,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:19,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:18:19,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:18:19,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:19" (1/1) ... [2022-02-21 04:18:19,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a82d112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:19, skipping insertion in model container [2022-02-21 04:18:19,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:19" (1/1) ... [2022-02-21 04:18:19,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:18:19,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:18:19,882 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_product07.cil.c[7574,7587] [2022-02-21 04:18:19,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:19,975 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:18:20,029 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_product07.cil.c[7574,7587] [2022-02-21 04:18:20,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:20,104 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:18:20,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20 WrapperNode [2022-02-21 04:18:20,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:20,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:20,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:18:20,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:18:20,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,192 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 50, calls inlined = 56, statements flattened = 406 [2022-02-21 04:18:20,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:20,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:18:20,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:18:20,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:18:20,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:18:20,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:18:20,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:18:20,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:18:20,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (1/1) ... [2022-02-21 04:18:20,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:18:20,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:18:20,296 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 04:18:20,322 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 04:18:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:18:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:18:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:18:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:18:20,422 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:18:20,424 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:18:20,780 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:18:20,786 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:18:20,786 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:18:20,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:20 BoogieIcfgContainer [2022-02-21 04:18:20,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:18:20,789 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:18:20,789 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:18:20,792 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:18:20,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:20,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:18:19" (1/3) ... [2022-02-21 04:18:20,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78a0a3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:20, skipping insertion in model container [2022-02-21 04:18:20,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:20,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:20" (2/3) ... [2022-02-21 04:18:20,795 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78a0a3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:20, skipping insertion in model container [2022-02-21 04:18:20,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:20,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:20" (3/3) ... [2022-02-21 04:18:20,800 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2022-02-21 04:18:20,838 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:18:20,838 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:18:20,838 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:18:20,838 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:18:20,839 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:18:20,839 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:18:20,839 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:18:20,839 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:18:20,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 04:18:20,924 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-02-21 04:18:20,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:20,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:20,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:20,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:20,931 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:18:20,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 04:18:20,957 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-02-21 04:18:20,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:20,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:20,958 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:20,958 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:20,967 INFO L791 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 39#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; 45#L543true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 59#L536true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 30#L551true 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; 87#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 97#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 110#L248true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 101#L302-2true [2022-02-21 04:18:20,970 INFO L793 eck$LassoCheckResult]: Loop: 101#L302-2true assume !false; 106#L303true assume test_~splverifierCounter~0#1 < 4; 86#L304true test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 109#L312true assume !(0 != test_~tmp~2#1); 69#L312-2true test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 77#L322true assume !(0 != test_~tmp___0~1#1); 64#L322-2true test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 25#L332true assume 0 != test_~tmp___2~0#1; 66#L338-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 93#L456true __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 33#L258true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 58#L371true assume !(0 != ~pumpRunning~0); 44#L371-2true assume !(0 != ~systemActive~0); 12#L378-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#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~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 98#L235true __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 57#L269true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 85#L269-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 19#L388true assume { :end_inline_timeShift } true; 101#L302-2true [2022-02-21 04:18:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:20,977 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:18:20,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:20,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693485316] [2022-02-21 04:18:20,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:20,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:21,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:21,208 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:21,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:21,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1362691668, now seen corresponding path program 1 times [2022-02-21 04:18:21,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:21,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184898867] [2022-02-21 04:18:21,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:21,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:21,242 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:21,249 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:21,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:21,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1592923221, now seen corresponding path program 1 times [2022-02-21 04:18:21,254 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:21,254 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647192078] [2022-02-21 04:18:21,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:21,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:21,480 INFO L290 TraceCheckUtils]: 0: Hoare triple {118#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {120#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:21,481 INFO L290 TraceCheckUtils]: 1: Hoare triple {120#(= 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; {120#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:21,482 INFO L290 TraceCheckUtils]: 2: Hoare triple {120#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {120#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:21,483 INFO L290 TraceCheckUtils]: 3: Hoare triple {120#(= 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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; {121#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:18:21,483 INFO L290 TraceCheckUtils]: 4: Hoare triple {121#(= |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; {122#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} is VALID [2022-02-21 04:18:21,484 INFO L290 TraceCheckUtils]: 5: Hoare triple {122#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,484 INFO L290 TraceCheckUtils]: 6: Hoare triple {123#(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; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,485 INFO L290 TraceCheckUtils]: 7: Hoare triple {123#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,486 INFO L290 TraceCheckUtils]: 8: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !false; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,486 INFO L290 TraceCheckUtils]: 9: Hoare triple {123#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,487 INFO L290 TraceCheckUtils]: 10: Hoare triple {123#(not (= 0 ~systemActive~0))} test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,488 INFO L290 TraceCheckUtils]: 11: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~2#1); {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,489 INFO L290 TraceCheckUtils]: 12: Hoare triple {123#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,489 INFO L290 TraceCheckUtils]: 13: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,490 INFO L290 TraceCheckUtils]: 14: Hoare triple {123#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,490 INFO L290 TraceCheckUtils]: 15: Hoare triple {123#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,491 INFO L290 TraceCheckUtils]: 16: Hoare triple {123#(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~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,491 INFO L290 TraceCheckUtils]: 17: Hoare triple {123#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,492 INFO L290 TraceCheckUtils]: 18: Hoare triple {123#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,494 INFO L290 TraceCheckUtils]: 19: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:21,495 INFO L290 TraceCheckUtils]: 20: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {119#false} is VALID [2022-02-21 04:18:21,495 INFO L290 TraceCheckUtils]: 21: Hoare triple {119#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#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~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {119#false} is VALID [2022-02-21 04:18:21,495 INFO L290 TraceCheckUtils]: 22: Hoare triple {119#false} __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; {119#false} is VALID [2022-02-21 04:18:21,496 INFO L290 TraceCheckUtils]: 23: Hoare triple {119#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); {119#false} is VALID [2022-02-21 04:18:21,497 INFO L290 TraceCheckUtils]: 24: Hoare triple {119#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {119#false} is VALID [2022-02-21 04:18:21,498 INFO L290 TraceCheckUtils]: 25: Hoare triple {119#false} assume { :end_inline_timeShift } true; {119#false} is VALID [2022-02-21 04:18:21,499 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 04:18:21,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:21,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647192078] [2022-02-21 04:18:21,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647192078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:21,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:21,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:21,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811598111] [2022-02-21 04:18:21,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:21,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:21,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:18:21,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:18:21,757 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:22,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:22,417 INFO L93 Difference]: Finished difference Result 279 states and 354 transitions. [2022-02-21 04:18:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:22,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:22,453 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:22,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 354 transitions. [2022-02-21 04:18:22,476 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2022-02-21 04:18:22,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 249 states and 324 transitions. [2022-02-21 04:18:22,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2022-02-21 04:18:22,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2022-02-21 04:18:22,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2022-02-21 04:18:22,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:22,494 INFO L681 BuchiCegarLoop]: Abstraction has 249 states and 324 transitions. [2022-02-21 04:18:22,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2022-02-21 04:18:22,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 158. [2022-02-21 04:18:22,537 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:22,543 INFO L82 GeneralOperation]: Start isEquivalent. First operand 249 states and 324 transitions. Second operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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 04:18:22,545 INFO L74 IsIncluded]: Start isIncluded. First operand 249 states and 324 transitions. Second operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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 04:18:22,547 INFO L87 Difference]: Start difference. First operand 249 states and 324 transitions. Second operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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 04:18:22,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:22,557 INFO L93 Difference]: Finished difference Result 249 states and 324 transitions. [2022-02-21 04:18:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 324 transitions. [2022-02-21 04:18:22,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:22,559 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:22,560 INFO L74 IsIncluded]: Start isIncluded. First operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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 249 states and 324 transitions. [2022-02-21 04:18:22,560 INFO L87 Difference]: Start difference. First operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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 249 states and 324 transitions. [2022-02-21 04:18:22,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:22,569 INFO L93 Difference]: Finished difference Result 249 states and 324 transitions. [2022-02-21 04:18:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 324 transitions. [2022-02-21 04:18:22,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:22,570 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:22,570 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:22,571 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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 04:18:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 206 transitions. [2022-02-21 04:18:22,578 INFO L704 BuchiCegarLoop]: Abstraction has 158 states and 206 transitions. [2022-02-21 04:18:22,578 INFO L587 BuchiCegarLoop]: Abstraction has 158 states and 206 transitions. [2022-02-21 04:18:22,578 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:18:22,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 206 transitions. [2022-02-21 04:18:22,580 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2022-02-21 04:18:22,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:22,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:22,581 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:22,581 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:22,582 INFO L791 eck$LassoCheckResult]: Stem: 504#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 460#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; 461#L543 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 466#L536 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 450#L551 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; 451#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 497#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 500#L248 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 437#L302-2 [2022-02-21 04:18:22,582 INFO L793 eck$LassoCheckResult]: Loop: 437#L302-2 assume !false; 503#L303 assume test_~splverifierCounter~0#1 < 4; 495#L304 test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 496#L312 assume !(0 != test_~tmp~2#1); 417#L312-2 test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 491#L322 assume !(0 != test_~tmp___0~1#1); 486#L322-2 test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 444#L332 assume 0 != test_~tmp___2~0#1; 445#L338-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 489#L456 __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 454#L258 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 455#L371 assume !(0 != ~pumpRunning~0); 464#L371-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 465#L403 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 473#L395-1 assume { :end_inline_processEnvironment__wrappee__base } true; 456#L403-1 assume { :end_inline_processEnvironment } true; 423#L378-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#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~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 424#L235 __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 481#L269 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 478#L269-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 436#L388 assume { :end_inline_timeShift } true; 437#L302-2 [2022-02-21 04:18:22,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:22,583 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:18:22,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:22,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770663932] [2022-02-21 04:18:22,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:22,604 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:22,614 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:22,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1072773688, now seen corresponding path program 1 times [2022-02-21 04:18:22,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:22,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343077875] [2022-02-21 04:18:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:22,622 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:22,628 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:22,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:22,631 INFO L85 PathProgramCache]: Analyzing trace with hash 671396591, now seen corresponding path program 1 times [2022-02-21 04:18:22,631 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:22,631 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296839564] [2022-02-21 04:18:22,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:22,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:22,707 INFO L290 TraceCheckUtils]: 0: Hoare triple {1070#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,708 INFO L290 TraceCheckUtils]: 1: Hoare triple {1072#(not (= 2 ~waterLevel~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; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,708 INFO L290 TraceCheckUtils]: 2: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,709 INFO L290 TraceCheckUtils]: 3: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,709 INFO L290 TraceCheckUtils]: 4: Hoare triple {1072#(not (= 2 ~waterLevel~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; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,710 INFO L290 TraceCheckUtils]: 5: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,710 INFO L290 TraceCheckUtils]: 6: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,710 INFO L290 TraceCheckUtils]: 7: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,711 INFO L290 TraceCheckUtils]: 8: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume !false; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,711 INFO L290 TraceCheckUtils]: 9: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume test_~splverifierCounter~0#1 < 4; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,712 INFO L290 TraceCheckUtils]: 10: Hoare triple {1072#(not (= 2 ~waterLevel~0))} test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,712 INFO L290 TraceCheckUtils]: 11: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume !(0 != test_~tmp~2#1); {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,713 INFO L290 TraceCheckUtils]: 12: Hoare triple {1072#(not (= 2 ~waterLevel~0))} test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,713 INFO L290 TraceCheckUtils]: 13: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume !(0 != test_~tmp___0~1#1); {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,713 INFO L290 TraceCheckUtils]: 14: Hoare triple {1072#(not (= 2 ~waterLevel~0))} test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,714 INFO L290 TraceCheckUtils]: 15: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume 0 != test_~tmp___2~0#1; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,714 INFO L290 TraceCheckUtils]: 16: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,715 INFO L290 TraceCheckUtils]: 17: Hoare triple {1072#(not (= 2 ~waterLevel~0))} __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,715 INFO L290 TraceCheckUtils]: 18: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,715 INFO L290 TraceCheckUtils]: 19: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,716 INFO L290 TraceCheckUtils]: 20: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,716 INFO L290 TraceCheckUtils]: 21: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,717 INFO L290 TraceCheckUtils]: 22: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :end_inline_processEnvironment__wrappee__base } true; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,717 INFO L290 TraceCheckUtils]: 23: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :end_inline_processEnvironment } true; {1072#(not (= 2 ~waterLevel~0))} is VALID [2022-02-21 04:18:22,720 INFO L290 TraceCheckUtils]: 24: Hoare triple {1072#(not (= 2 ~waterLevel~0))} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#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~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {1073#(not (= |ULTIMATE.start_getWaterLevel_#res#1| 2))} is VALID [2022-02-21 04:18:22,721 INFO L290 TraceCheckUtils]: 25: Hoare triple {1073#(not (= |ULTIMATE.start_getWaterLevel_#res#1| 2))} __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; {1074#(not (= 2 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1#1|))} is VALID [2022-02-21 04:18:22,721 INFO L290 TraceCheckUtils]: 26: Hoare triple {1074#(not (= 2 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1#1|))} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); {1071#false} is VALID [2022-02-21 04:18:22,721 INFO L290 TraceCheckUtils]: 27: Hoare triple {1071#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {1071#false} is VALID [2022-02-21 04:18:22,722 INFO L290 TraceCheckUtils]: 28: Hoare triple {1071#false} assume { :end_inline_timeShift } true; {1071#false} is VALID [2022-02-21 04:18:22,722 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 04:18:22,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:22,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296839564] [2022-02-21 04:18:22,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296839564] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:22,723 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:22,723 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:18:22,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382722075] [2022-02-21 04:18:22,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:22,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:22,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:18:22,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:18:22,849 INFO L87 Difference]: Start difference. First operand 158 states and 206 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:23,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:23,543 INFO L93 Difference]: Finished difference Result 616 states and 796 transitions. [2022-02-21 04:18:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:18:23,543 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:23,569 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:23,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 616 states and 796 transitions. [2022-02-21 04:18:23,592 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 430 [2022-02-21 04:18:23,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 616 states to 616 states and 796 transitions. [2022-02-21 04:18:23,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 616 [2022-02-21 04:18:23,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 616 [2022-02-21 04:18:23,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 616 states and 796 transitions. [2022-02-21 04:18:23,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:23,617 INFO L681 BuchiCegarLoop]: Abstraction has 616 states and 796 transitions. [2022-02-21 04:18:23,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states and 796 transitions. [2022-02-21 04:18:23,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 302. [2022-02-21 04:18:23,638 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:23,639 INFO L82 GeneralOperation]: Start isEquivalent. First operand 616 states and 796 transitions. Second operand has 302 states, 302 states have (on average 1.2781456953642385) internal successors, (386), 301 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:23,640 INFO L74 IsIncluded]: Start isIncluded. First operand 616 states and 796 transitions. Second operand has 302 states, 302 states have (on average 1.2781456953642385) internal successors, (386), 301 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:23,640 INFO L87 Difference]: Start difference. First operand 616 states and 796 transitions. Second operand has 302 states, 302 states have (on average 1.2781456953642385) internal successors, (386), 301 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:23,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:23,665 INFO L93 Difference]: Finished difference Result 616 states and 796 transitions. [2022-02-21 04:18:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 796 transitions. [2022-02-21 04:18:23,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:23,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:23,669 INFO L74 IsIncluded]: Start isIncluded. First operand has 302 states, 302 states have (on average 1.2781456953642385) internal successors, (386), 301 states have internal predecessors, (386), 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 616 states and 796 transitions. [2022-02-21 04:18:23,670 INFO L87 Difference]: Start difference. First operand has 302 states, 302 states have (on average 1.2781456953642385) internal successors, (386), 301 states have internal predecessors, (386), 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 616 states and 796 transitions. [2022-02-21 04:18:23,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:23,691 INFO L93 Difference]: Finished difference Result 616 states and 796 transitions. [2022-02-21 04:18:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 796 transitions. [2022-02-21 04:18:23,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:23,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:23,700 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:23,700 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:23,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 302 states have (on average 1.2781456953642385) internal successors, (386), 301 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 386 transitions. [2022-02-21 04:18:23,709 INFO L704 BuchiCegarLoop]: Abstraction has 302 states and 386 transitions. [2022-02-21 04:18:23,709 INFO L587 BuchiCegarLoop]: Abstraction has 302 states and 386 transitions. [2022-02-21 04:18:23,710 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:18:23,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 302 states and 386 transitions. [2022-02-21 04:18:23,711 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 220 [2022-02-21 04:18:23,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:23,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:23,712 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:23,712 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] [2022-02-21 04:18:23,713 INFO L791 eck$LassoCheckResult]: Stem: 1830#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1760#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; 1761#L543 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1767#L536 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1747#L551 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; 1748#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1816#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1823#L248 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1835#L302-2 [2022-02-21 04:18:23,713 INFO L793 eck$LassoCheckResult]: Loop: 1835#L302-2 assume !false; 1895#L303 assume test_~splverifierCounter~0#1 < 4; 1894#L304 test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1892#L312 assume !(0 != test_~tmp~2#1); 1873#L312-2 test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 1870#L322 assume !(0 != test_~tmp___0~1#1); 1866#L322-2 test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 1867#L332 assume 0 != test_~tmp___2~0#1; 1797#L338-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1798#L456 __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 1751#L258 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1752#L371 assume !(0 != ~pumpRunning~0); 1765#L371-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1766#L403 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1778#L395-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1753#L403-1 assume { :end_inline_processEnvironment } true; 1716#L378-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#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~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 1717#L235 __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 1787#L269 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1788#L456-1 __utac_acc__Specification5_spec__3_#t~ret12#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret12#1;havoc __utac_acc__Specification5_spec__3_#t~ret12#1; 1809#L273 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1912#L269-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1911#L388 assume { :end_inline_timeShift } true; 1835#L302-2 [2022-02-21 04:18:23,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:23,714 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:18:23,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:23,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436916032] [2022-02-21 04:18:23,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:23,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,724 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,733 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:23,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:23,733 INFO L85 PathProgramCache]: Analyzing trace with hash 124264595, now seen corresponding path program 1 times [2022-02-21 04:18:23,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:23,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46861154] [2022-02-21 04:18:23,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:23,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,739 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,749 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:23,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:23,750 INFO L85 PathProgramCache]: Analyzing trace with hash 947931018, now seen corresponding path program 1 times [2022-02-21 04:18:23,750 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:23,750 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237621153] [2022-02-21 04:18:23,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:23,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,765 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:23,780 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:26,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:18:26 BoogieIcfgContainer [2022-02-21 04:18:26,718 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:18:26,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:18:26,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:18:26,719 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:18:26,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:20" (3/4) ... [2022-02-21 04:18:26,722 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:18:26,785 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:18:26,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:18:26,787 INFO L158 Benchmark]: Toolchain (without parser) took 7211.17ms. Allocated memory was 86.0MB in the beginning and 138.4MB in the end (delta: 52.4MB). Free memory was 49.3MB in the beginning and 103.5MB in the end (delta: -54.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:26,787 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:26,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.87ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 49.0MB in the beginning and 83.8MB in the end (delta: -34.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-02-21 04:18:26,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.56ms. Allocated memory is still 115.3MB. Free memory was 83.8MB in the beginning and 80.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:26,788 INFO L158 Benchmark]: Boogie Preprocessor took 57.83ms. Allocated memory is still 115.3MB. Free memory was 80.5MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:26,788 INFO L158 Benchmark]: RCFGBuilder took 533.42ms. Allocated memory is still 115.3MB. Free memory was 78.4MB in the beginning and 58.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-02-21 04:18:26,789 INFO L158 Benchmark]: BuchiAutomizer took 5928.74ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 58.6MB in the beginning and 105.6MB in the end (delta: -47.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-02-21 04:18:26,789 INFO L158 Benchmark]: Witness Printer took 67.14ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:26,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.87ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 49.0MB in the beginning and 83.8MB in the end (delta: -34.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.56ms. Allocated memory is still 115.3MB. Free memory was 83.8MB in the beginning and 80.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.83ms. Allocated memory is still 115.3MB. Free memory was 80.5MB in the beginning and 78.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.42ms. Allocated memory is still 115.3MB. Free memory was 78.4MB in the beginning and 58.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5928.74ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 58.6MB in the beginning and 105.6MB in the end (delta: -47.0MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Witness Printer took 67.14ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 302 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 405 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 302 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 990 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 990 mSDsluCounter, 1651 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1340 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 311 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 302]: 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@299ec221=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52f004cd=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e205944=0, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7107287c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a24a787=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@352262a1=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6112f08a=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e83fe3=0, tmp___2=29, \result=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, tmp=0, tmp=1, \result=0, tmp=0, tmp___0=0, head=0, \result=1, retValue_acc=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15817366=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 302]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L242] int switchedOnBeforeTS ; [L361] int pumpRunning = 0; [L362] int systemActive = 1; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] return (retValue_acc); [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L247] switchedOnBeforeTS = 0 [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 Loop: [L302] COND TRUE 1 [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L369] CALL __utac_acc__Specification5_spec__2() [L256] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L256] RET, EXPR isPumpRunning() [L256] switchedOnBeforeTS = isPumpRunning() [L369] RET __utac_acc__Specification5_spec__2() [L371] COND FALSE !(\read(pumpRunning)) [L378] COND TRUE \read(systemActive) [L380] CALL processEnvironment() [L400] int tmp ; [L403] COND FALSE !(\read(pumpRunning)) [L418] FCALL processEnvironment__wrappee__base() [L380] RET processEnvironment() [L386] CALL __utac_acc__Specification5_spec__3() [L262] int tmp ; [L263] int tmp___0 ; [L267] CALL, EXPR getWaterLevel() [L231] int retValue_acc ; [L234] retValue_acc = waterLevel [L235] return (retValue_acc); [L267] RET, EXPR getWaterLevel() [L267] tmp = getWaterLevel() [L269] COND TRUE tmp != 2 [L271] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L271] RET, EXPR isPumpRunning() [L271] tmp___0 = isPumpRunning() [L273] COND FALSE !(\read(tmp___0)) [L386] RET __utac_acc__Specification5_spec__3() [L347] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:18:26,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)