./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc --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 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:10:22,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:10:22,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:10:22,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:10:22,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:10:22,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:10:22,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:10:22,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:10:22,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:10:22,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:10:22,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:10:22,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:10:22,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:10:22,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:10:22,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:10:22,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:10:22,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:10:22,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:10:22,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:10:22,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:10:22,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:10:22,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:10:22,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:10:22,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:10:22,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:10:22,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:10:22,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:10:22,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:10:22,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:10:22,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:10:22,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:10:22,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:10:22,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:10:22,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:10:22,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:10:22,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:10:22,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:10:22,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:10:22,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:10:22,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:10:22,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:10:22,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 21:10:22,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:10:22,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:10:22,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:10:22,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:10:22,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:10:22,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:10:22,356 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:10:22,356 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 21:10:22,357 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 21:10:22,357 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 21:10:22,358 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 21:10:22,358 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 21:10:22,358 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 21:10:22,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:10:22,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:10:22,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:10:22,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:10:22,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:10:22,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:10:22,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 21:10:22,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 21:10:22,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 21:10:22,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:10:22,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:10:22,362 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 21:10:22,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:10:22,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 21:10:22,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:10:22,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:10:22,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:10:22,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:10:22,365 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 21:10:22,365 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f [2022-11-02 21:10:22,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:10:22,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:10:22,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:10:22,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:10:22,713 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:10:22,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2022-11-02 21:10:22,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/data/e206bdffb/06e45151f9c34423b0acefb21c7b8a33/FLAGfcb52821e [2022-11-02 21:10:23,397 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:10:23,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2022-11-02 21:10:23,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/data/e206bdffb/06e45151f9c34423b0acefb21c7b8a33/FLAGfcb52821e [2022-11-02 21:10:23,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/data/e206bdffb/06e45151f9c34423b0acefb21c7b8a33 [2022-11-02 21:10:23,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:10:23,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:10:23,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:23,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:10:23,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:10:23,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:23" (1/1) ... [2022-11-02 21:10:23,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d89fac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:23, skipping insertion in model container [2022-11-02 21:10:23,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:23" (1/1) ... [2022-11-02 21:10:23,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:10:23,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:10:23,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c[5363,5376] [2022-11-02 21:10:24,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:24,065 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:10:24,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c[5363,5376] [2022-11-02 21:10:24,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:24,157 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:10:24,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24 WrapperNode [2022-11-02 21:10:24,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:24,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:24,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:10:24,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:10:24,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,253 INFO L138 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 39, statements flattened = 318 [2022-11-02 21:10:24,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:24,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:10:24,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:10:24,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:10:24,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,312 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:10:24,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:10:24,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:10:24,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:10:24,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:10:24,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:24,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:10:24,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 21:10:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:10:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:10:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:10:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:10:24,546 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:10:24,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:10:24,912 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:10:24,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:10:24,942 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:10:24,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:24 BoogieIcfgContainer [2022-11-02 21:10:24,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:10:24,946 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 21:10:24,946 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 21:10:24,951 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 21:10:24,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:10:24,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:10:23" (1/3) ... [2022-11-02 21:10:24,953 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0d6265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:10:24, skipping insertion in model container [2022-11-02 21:10:24,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:10:24,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (2/3) ... [2022-11-02 21:10:24,954 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0d6265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:10:24, skipping insertion in model container [2022-11-02 21:10:24,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:10:24,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:24" (3/3) ... [2022-11-02 21:10:24,956 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2022-11-02 21:10:25,038 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 21:10:25,038 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 21:10:25,038 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 21:10:25,038 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 21:10:25,038 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 21:10:25,039 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 21:10:25,039 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 21:10:25,039 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 21:10:25,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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) [2022-11-02 21:10:25,077 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2022-11-02 21:10:25,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:10:25,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:10:25,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:25,085 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:25,085 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 21:10:25,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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) [2022-11-02 21:10:25,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2022-11-02 21:10:25,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:10:25,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:10:25,093 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:25,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:25,100 INFO L748 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 66#L835true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 67#L828true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 7#L843true main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 2#L433true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 19#L405true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 68#L854true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 8#L282-2true [2022-11-02 21:10:25,101 INFO L750 eck$LassoCheckResult]: Loop: 8#L282-2true assume !false; 29#L283true assume test_~splverifierCounter~0#1 < 4; 75#L284true test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 25#L292true assume !(0 != test_~tmp~1#1); 49#L292-2true test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 20#L302true assume !(0 != test_~tmp___0~0#1); 54#L302-2true test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 73#L312true assume 0 != test_~tmp___2~0#1; 63#L318-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 10#L230true __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 52#L864true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 13#L153true assume !(0 != ~pumpRunning~0); 65#L153-2true assume !(0 != ~systemActive~0); 37#L160-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 50#L131true __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 18#L875true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 55#L875-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 86#L170true assume { :end_inline_timeShift } true; 8#L282-2true [2022-11-02 21:10:25,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:25,108 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-02 21:10:25,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:25,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070626904] [2022-11-02 21:10:25,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:25,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:25,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:25,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:25,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:25,374 INFO L85 PathProgramCache]: Analyzing trace with hash -638817652, now seen corresponding path program 1 times [2022-11-02 21:10:25,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:25,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800228101] [2022-11-02 21:10:25,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:25,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:25,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:25,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:25,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:25,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1978170059, now seen corresponding path program 1 times [2022-11-02 21:10:25,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:25,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938184147] [2022-11-02 21:10:25,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:10:25,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:25,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938184147] [2022-11-02 21:10:25,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938184147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:25,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:25,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:10:25,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616873520] [2022-11-02 21:10:25,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:26,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:26,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:26,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:26,082 INFO L87 Difference]: Start difference. First operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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) [2022-11-02 21:10:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:26,145 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2022-11-02 21:10:26,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 101 transitions. [2022-11-02 21:10:26,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2022-11-02 21:10:26,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 72 states and 91 transitions. [2022-11-02 21:10:26,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2022-11-02 21:10:26,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2022-11-02 21:10:26,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 91 transitions. [2022-11-02 21:10:26,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:10:26,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-11-02 21:10:26,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 91 transitions. [2022-11-02 21:10:26,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-02 21:10:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 71 states have internal predecessors, (91), 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) [2022-11-02 21:10:26,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2022-11-02 21:10:26,191 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-11-02 21:10:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:10:26,197 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-11-02 21:10:26,197 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 21:10:26,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 91 transitions. [2022-11-02 21:10:26,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2022-11-02 21:10:26,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:10:26,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:10:26,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:26,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:26,201 INFO L748 eck$LassoCheckResult]: Stem: 250#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 243#L835 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 254#L828 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 193#L843 main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 187#L433 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 188#L405 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 214#L854 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 198#L282-2 [2022-11-02 21:10:26,201 INFO L750 eck$LassoCheckResult]: Loop: 198#L282-2 assume !false; 199#L283 assume test_~splverifierCounter~0#1 < 4; 229#L284 test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 223#L292 assume !(0 != test_~tmp~1#1); 224#L292-2 test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 215#L302 assume !(0 != test_~tmp___0~0#1); 216#L302-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 247#L312 assume 0 != test_~tmp___2~0#1; 252#L318-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 194#L230 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 195#L864 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 202#L153 assume !(0 != ~pumpRunning~0); 204#L153-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 253#L177 assume { :end_inline_processEnvironment } true; 233#L160-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 234#L131 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 211#L875 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 213#L875-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 248#L170 assume { :end_inline_timeShift } true; 198#L282-2 [2022-11-02 21:10:26,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:26,202 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-02 21:10:26,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:26,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218364154] [2022-11-02 21:10:26,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:26,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:26,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:26,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1995577109, now seen corresponding path program 1 times [2022-11-02 21:10:26,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:26,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117803182] [2022-11-02 21:10:26,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:26,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:26,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:26,248 INFO L85 PathProgramCache]: Analyzing trace with hash -565828766, now seen corresponding path program 1 times [2022-11-02 21:10:26,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:26,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395053626] [2022-11-02 21:10:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:26,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:10:26,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:26,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395053626] [2022-11-02 21:10:26,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395053626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:26,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:26,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:10:26,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858724750] [2022-11-02 21:10:26,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:26,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:26,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:10:26,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:26,486 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:26,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:26,610 INFO L93 Difference]: Finished difference Result 186 states and 236 transitions. [2022-11-02 21:10:26,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 236 transitions. [2022-11-02 21:10:26,637 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2022-11-02 21:10:26,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 186 states and 236 transitions. [2022-11-02 21:10:26,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 186 [2022-11-02 21:10:26,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2022-11-02 21:10:26,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 186 states and 236 transitions. [2022-11-02 21:10:26,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:10:26,641 INFO L218 hiAutomatonCegarLoop]: Abstraction has 186 states and 236 transitions. [2022-11-02 21:10:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states and 236 transitions. [2022-11-02 21:10:26,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 135. [2022-11-02 21:10:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 135 states have (on average 1.2518518518518518) internal successors, (169), 134 states have internal predecessors, (169), 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) [2022-11-02 21:10:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2022-11-02 21:10:26,651 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 169 transitions. [2022-11-02 21:10:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:10:26,653 INFO L428 stractBuchiCegarLoop]: Abstraction has 135 states and 169 transitions. [2022-11-02 21:10:26,653 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 21:10:26,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 169 transitions. [2022-11-02 21:10:26,654 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2022-11-02 21:10:26,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:10:26,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:10:26,655 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:26,655 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:26,656 INFO L748 eck$LassoCheckResult]: Stem: 533#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 521#L835 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 538#L828 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 467#L843 main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 459#L433 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 460#L405 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 487#L854 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 468#L282-2 [2022-11-02 21:10:26,656 INFO L750 eck$LassoCheckResult]: Loop: 468#L282-2 assume !false; 469#L283 assume test_~splverifierCounter~0#1 < 4; 503#L284 test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 499#L292 assume !(0 != test_~tmp~1#1); 500#L292-2 test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 577#L302 assume !(0 != test_~tmp___0~0#1); 576#L302-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 574#L312 assume 0 != test_~tmp___2~0#1; 573#L318-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 572#L230 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 571#L864 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 569#L153 assume !(0 != ~pumpRunning~0); 568#L153-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 536#L177 assume { :end_inline_processEnvironment } true; 512#L160-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 513#L131 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 484#L875 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 485#L230-1 __utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 554#L879 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 552#L875-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 545#L170 assume { :end_inline_timeShift } true; 468#L282-2 [2022-11-02 21:10:26,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:26,657 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-02 21:10:26,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:26,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329934025] [2022-11-02 21:10:26,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:26,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:26,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2081679974, now seen corresponding path program 1 times [2022-11-02 21:10:26,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:26,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195545363] [2022-11-02 21:10:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:26,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:26,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1680302877, now seen corresponding path program 1 times [2022-11-02 21:10:26,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:26,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859936384] [2022-11-02 21:10:26,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:26,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:26,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:10:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:30,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:10:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:10:30,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 09:10:30 BoogieIcfgContainer [2022-11-02 21:10:30,971 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 21:10:30,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:10:30,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:10:30,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:10:30,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:24" (3/4) ... [2022-11-02 21:10:30,975 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 21:10:31,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:10:31,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:10:31,034 INFO L158 Benchmark]: Toolchain (without parser) took 7384.80ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 54.6MB in the beginning and 48.5MB in the end (delta: 6.1MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2022-11-02 21:10:31,034 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:10:31,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.89ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 60.5MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:10:31,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.70ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 57.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:10:31,036 INFO L158 Benchmark]: Boogie Preprocessor took 61.81ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:10:31,037 INFO L158 Benchmark]: RCFGBuilder took 628.21ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 38.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 21:10:31,037 INFO L158 Benchmark]: BuchiAutomizer took 6024.76ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 38.0MB in the beginning and 50.6MB in the end (delta: -12.6MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-11-02 21:10:31,038 INFO L158 Benchmark]: Witness Printer took 61.44ms. Allocated memory is still 144.7MB. Free memory was 50.6MB in the beginning and 48.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:10:31,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.89ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 60.5MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.70ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 57.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.81ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.21ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 38.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 6024.76ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 38.0MB in the beginning and 50.6MB in the end (delta: -12.6MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 61.44ms. Allocated memory is still 144.7MB. Free memory was 50.6MB in the beginning and 48.5MB 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 135 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 51 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 622 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 622 mSDsluCounter, 463 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 256 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 207 mSDtfsCounter, 73 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 282]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L346] int cleanupTimeShifts = 4; [L616] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L848] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L414] CALL __utac_acc__Specification5_spec__1() [L853] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L414] RET __utac_acc__Specification5_spec__1() [L415] CALL test() [L273] int splverifierCounter ; [L274] int tmp ; [L275] int tmp___0 ; [L276] int tmp___1 ; [L277] int tmp___2 ; [L280] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L282] COND TRUE 1 [L284] COND TRUE splverifierCounter < 4 [L290] tmp = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp)) [L300] tmp___0 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___0)) [L310] tmp___2 = __VERIFIER_nondet_int() [L312] COND TRUE \read(tmp___2) [L325] CALL timeShift() [L151] CALL __utac_acc__Specification5_spec__2() [L862] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] switchedOnBeforeTS = isPumpRunning() [L151] RET __utac_acc__Specification5_spec__2() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] FCALL processEnvironment() [L168] CALL __utac_acc__Specification5_spec__3() [L868] int tmp ; [L869] int tmp___0 ; [L873] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L873] RET, EXPR getWaterLevel() [L873] tmp = getWaterLevel() [L875] COND TRUE tmp != 2 [L877] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L877] RET, EXPR isPumpRunning() [L877] tmp___0 = isPumpRunning() [L879] COND FALSE !(\read(tmp___0)) [L168] RET __utac_acc__Specification5_spec__3() [L325] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 282]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L346] int cleanupTimeShifts = 4; [L616] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L848] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L414] CALL __utac_acc__Specification5_spec__1() [L853] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L414] RET __utac_acc__Specification5_spec__1() [L415] CALL test() [L273] int splverifierCounter ; [L274] int tmp ; [L275] int tmp___0 ; [L276] int tmp___1 ; [L277] int tmp___2 ; [L280] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L282] COND TRUE 1 [L284] COND TRUE splverifierCounter < 4 [L290] tmp = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp)) [L300] tmp___0 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___0)) [L310] tmp___2 = __VERIFIER_nondet_int() [L312] COND TRUE \read(tmp___2) [L325] CALL timeShift() [L151] CALL __utac_acc__Specification5_spec__2() [L862] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] switchedOnBeforeTS = isPumpRunning() [L151] RET __utac_acc__Specification5_spec__2() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] FCALL processEnvironment() [L168] CALL __utac_acc__Specification5_spec__3() [L868] int tmp ; [L869] int tmp___0 ; [L873] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L873] RET, EXPR getWaterLevel() [L873] tmp = getWaterLevel() [L875] COND TRUE tmp != 2 [L877] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L877] RET, EXPR isPumpRunning() [L877] tmp___0 = isPumpRunning() [L879] COND FALSE !(\read(tmp___0)) [L168] RET __utac_acc__Specification5_spec__3() [L325] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 21:10:31,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ae75e0-6717-4aa8-8df5-b8e7310be2bc/bin/uautomizer-Dbtcem3rbc/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)