./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.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_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/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_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/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_135f155a-5747-43e5-93d5-fbb9ff16aca1/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 b6ed1bc0f587e235387623d030d0c0bc898e2b8960003dc87fc2eaa6eba20f64 --- 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 20:35:19,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:35:19,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:35:19,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:35:19,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:35:19,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:35:19,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:35:19,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:35:19,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:35:19,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:35:19,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:35:19,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:35:19,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:35:19,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:35:19,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:35:19,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:35:19,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:35:19,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:35:19,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:35:19,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:35:19,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:35:19,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:35:19,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:35:19,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:35:19,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:35:19,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:35:19,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:35:19,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:35:19,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:35:19,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:35:19,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:35:19,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:35:19,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:35:19,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:35:19,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:35:19,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:35:19,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:35:19,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:35:19,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:35:19,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:35:19,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:35:19,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:35:19,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:35:19,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:35:19,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:35:19,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:35:19,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:35:19,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:35:19,330 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:35:19,330 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:35:19,330 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:35:19,331 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:35:19,332 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:35:19,332 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:35:19,332 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:35:19,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:35:19,333 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:35:19,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:35:19,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:35:19,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:35:19,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:35:19,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:35:19,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:35:19,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:35:19,335 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:35:19,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:35:19,335 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:35:19,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:35:19,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:35:19,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:35:19,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:35:19,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:35:19,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:35:19,339 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:35:19,340 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_135f155a-5747-43e5-93d5-fbb9ff16aca1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ed1bc0f587e235387623d030d0c0bc898e2b8960003dc87fc2eaa6eba20f64 [2022-11-02 20:35:19,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:19,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:19,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:19,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:19,652 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:19,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2022-11-02 20:35:19,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/data/4ac35e887/1a5f6f92a3424a44b2b93f200466133f/FLAG43e0835d4 [2022-11-02 20:35:20,242 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:20,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2022-11-02 20:35:20,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/data/4ac35e887/1a5f6f92a3424a44b2b93f200466133f/FLAG43e0835d4 [2022-11-02 20:35:20,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/data/4ac35e887/1a5f6f92a3424a44b2b93f200466133f [2022-11-02 20:35:20,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:20,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:20,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:20,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:20,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:20,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:20" (1/1) ... [2022-11-02 20:35:20,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470d9238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:20, skipping insertion in model container [2022-11-02 20:35:20,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:20" (1/1) ... [2022-11-02 20:35:20,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:20,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:20,874 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_135f155a-5747-43e5-93d5-fbb9ff16aca1/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2022-11-02 20:35:20,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:20,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:21,051 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_135f155a-5747-43e5-93d5-fbb9ff16aca1/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2022-11-02 20:35:21,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:21,140 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:21,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21 WrapperNode [2022-11-02 20:35:21,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:21,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:21,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:21,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:21,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,211 INFO L138 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 49, calls inlined = 48, statements flattened = 393 [2022-11-02 20:35:21,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:21,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:21,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:21,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:21,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:21,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:21,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:21,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:21,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (1/1) ... [2022-11-02 20:35:21,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:21,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:21,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:21,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:35:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:35:21,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:21,429 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:21,431 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:21,818 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:35:21,826 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:35:21,826 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:35:21,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:21 BoogieIcfgContainer [2022-11-02 20:35:21,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:35:21,830 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:35:21,830 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:35:21,834 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:35:21,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:35:21,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:35:20" (1/3) ... [2022-11-02 20:35:21,836 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@579ac9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:35:21, skipping insertion in model container [2022-11-02 20:35:21,837 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:35:21,837 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:21" (2/3) ... [2022-11-02 20:35:21,837 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@579ac9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:35:21, skipping insertion in model container [2022-11-02 20:35:21,837 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:35:21,837 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:21" (3/3) ... [2022-11-02 20:35:21,839 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2022-11-02 20:35:21,928 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:35:21,928 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:35:21,928 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:35:21,928 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:35:21,928 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:35:21,929 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:35:21,929 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:35:21,929 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:35:21,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 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 20:35:21,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-02 20:35:21,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:35:21,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:35:21,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:21,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:21,965 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:35:21,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 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 20:35:21,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-02 20:35:21,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:35:21,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:35:21,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:21,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:21,979 INFO L748 eck$LassoCheckResult]: Stem: 94#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 30#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; 23#L178true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 89#L171true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 51#L186true 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; 79#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 90#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 40#L539true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#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; 91#L201-2true [2022-11-02 20:35:21,980 INFO L750 eck$LassoCheckResult]: Loop: 91#L201-2true assume !false; 67#L202true assume test_~splverifierCounter~0#1 < 4; 20#L203true test_~tmp~1#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 85#L211true assume !(0 != test_~tmp~1#1); 65#L211-2true test_~tmp___0~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 66#L221true assume !(0 != test_~tmp___0~0#1); 50#L221-2true test_~tmp___2~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 58#L231true assume 0 != test_~tmp___2~0#1; 31#L237-2true assume { :begin_inline_timeShift } true; 26#L271true assume !(0 != ~pumpRunning~0); 59#L271-2true assume !(0 != ~systemActive~0); 77#L278-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 101#L478true __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 104#L550true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 36#L550-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 21#L288true assume { :end_inline_timeShift } true; 91#L201-2true [2022-11-02 20:35:21,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:21,986 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-02 20:35:21,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:21,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721992478] [2022-11-02 20:35:21,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:21,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:22,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:22,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:22,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:22,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1838320810, now seen corresponding path program 1 times [2022-11-02 20:35:22,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:22,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232179315] [2022-11-02 20:35:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:22,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:22,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:22,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:22,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:22,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1676033427, now seen corresponding path program 1 times [2022-11-02 20:35:22,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:22,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054558665] [2022-11-02 20:35:22,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:22,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:22,617 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 20:35:22,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:22,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054558665] [2022-11-02 20:35:22,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054558665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:22,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:22,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:35:22,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443740148] [2022-11-02 20:35:22,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:22,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:22,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:35:22,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:35:22,894 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:35:22,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:22,972 INFO L93 Difference]: Finished difference Result 103 states and 131 transitions. [2022-11-02 20:35:22,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 131 transitions. [2022-11-02 20:35:22,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-11-02 20:35:22,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 93 states and 121 transitions. [2022-11-02 20:35:22,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2022-11-02 20:35:22,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2022-11-02 20:35:22,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 121 transitions. [2022-11-02 20:35:22,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:35:22,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-11-02 20:35:23,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 121 transitions. [2022-11-02 20:35:23,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-02 20:35:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 92 states have internal predecessors, (121), 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 20:35:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2022-11-02 20:35:23,034 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-11-02 20:35:23,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:35:23,048 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-11-02 20:35:23,048 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:35:23,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 121 transitions. [2022-11-02 20:35:23,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-11-02 20:35:23,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:35:23,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:35:23,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:23,051 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 20:35:23,052 INFO L748 eck$LassoCheckResult]: Stem: 312#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 303#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; 288#L178 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 289#L171 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 304#L186 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; 293#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 294#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 307#L539 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#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; 285#L201-2 [2022-11-02 20:35:23,052 INFO L750 eck$LassoCheckResult]: Loop: 285#L201-2 assume !false; 269#L202 assume test_~splverifierCounter~0#1 < 4; 270#L203 test_~tmp~1#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 283#L211 assume !(0 != test_~tmp~1#1); 243#L211-2 test_~tmp___0~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 265#L221 assume !(0 != test_~tmp___0~0#1); 267#L221-2 test_~tmp___2~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 244#L231 assume 0 != test_~tmp___2~0#1; 245#L237-2 assume { :begin_inline_timeShift } true; 296#L271 assume !(0 != ~pumpRunning~0); 250#L271-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 251#L303 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 298#L295-1 assume { :end_inline_processEnvironment__wrappee__base } true; 234#L303-1 assume { :end_inline_processEnvironment } true; 290#L278-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 291#L478 __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 316#L550 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 309#L550-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 284#L288 assume { :end_inline_timeShift } true; 285#L201-2 [2022-11-02 20:35:23,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-02 20:35:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:23,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118657939] [2022-11-02 20:35:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:23,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:23,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:23,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:23,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:23,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1043904107, now seen corresponding path program 1 times [2022-11-02 20:35:23,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:23,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545386194] [2022-11-02 20:35:23,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:23,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:23,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:23,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:23,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:23,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1821314846, now seen corresponding path program 1 times [2022-11-02 20:35:23,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:23,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967404602] [2022-11-02 20:35:23,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:23,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:23,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:23,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:26,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:27,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:35:27 BoogieIcfgContainer [2022-11-02 20:35:27,025 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:35:27,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:35:27,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:35:27,026 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:35:27,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:21" (3/4) ... [2022-11-02 20:35:27,029 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:35:27,115 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:35:27,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:35:27,117 INFO L158 Benchmark]: Toolchain (without parser) took 6561.56ms. Allocated memory was 81.8MB in the beginning and 144.7MB in the end (delta: 62.9MB). Free memory was 46.5MB in the beginning and 99.5MB in the end (delta: -53.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-02 20:35:27,118 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:27,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.35ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 67.0MB in the end (delta: -20.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-02 20:35:27,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.80ms. Allocated memory is still 98.6MB. Free memory was 67.0MB in the beginning and 64.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:27,120 INFO L158 Benchmark]: Boogie Preprocessor took 31.48ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:27,121 INFO L158 Benchmark]: RCFGBuilder took 583.88ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 66.8MB in the end (delta: -4.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-02 20:35:27,121 INFO L158 Benchmark]: BuchiAutomizer took 5195.21ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 66.5MB in the beginning and 101.6MB in the end (delta: -35.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-02 20:35:27,122 INFO L158 Benchmark]: Witness Printer took 90.97ms. Allocated memory is still 144.7MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:27,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.35ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 67.0MB in the end (delta: -20.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.80ms. Allocated memory is still 98.6MB. Free memory was 67.0MB in the beginning and 64.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.48ms. Allocated memory is still 98.6MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.88ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 66.8MB in the end (delta: -4.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 5195.21ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 66.5MB in the beginning and 101.6MB in the end (delta: -35.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 90.97ms. Allocated memory is still 144.7MB. Free memory was 101.6MB in the beginning and 99.5MB 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 93 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 383 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 383 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 126 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 201]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L263] int pumpRunning = 0; [L264] int systemActive = 1; [L435] int waterLevel = 1; [L436] int methaneLevelCritical = 0; [L533] int methAndRunningLastTime ; [L741] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L182] int retValue_acc ; [L185] retValue_acc = 1 [L186] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L538] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L192] int splverifierCounter ; [L193] int tmp ; [L194] int tmp___0 ; [L195] int tmp___1 ; [L196] int tmp___2 ; [L199] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L201] COND TRUE 1 [L203] COND TRUE splverifierCounter < 4 [L209] tmp = __VERIFIER_nondet_int() [L211] COND FALSE !(\read(tmp)) [L219] tmp___0 = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp___0)) [L229] tmp___2 = __VERIFIER_nondet_int() [L231] COND TRUE \read(tmp___2) [L244] CALL timeShift() [L271] COND FALSE !(\read(pumpRunning)) [L278] COND TRUE \read(systemActive) [L280] CALL processEnvironment() [L300] int tmp ; [L303] COND FALSE !(\read(pumpRunning)) [L318] FCALL processEnvironment__wrappee__base() [L280] RET processEnvironment() [L286] CALL __utac_acc__Specification2_spec__2() [L543] int tmp ; [L544] int tmp___0 ; [L548] CALL, EXPR isMethaneLevelCritical() [L474] int retValue_acc ; [L477] retValue_acc = methaneLevelCritical [L478] return (retValue_acc); [L548] RET, EXPR isMethaneLevelCritical() [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE !(\read(tmp)) [L566] methAndRunningLastTime = 0 [L286] RET __utac_acc__Specification2_spec__2() [L244] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 201]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L263] int pumpRunning = 0; [L264] int systemActive = 1; [L435] int waterLevel = 1; [L436] int methaneLevelCritical = 0; [L533] int methAndRunningLastTime ; [L741] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L182] int retValue_acc ; [L185] retValue_acc = 1 [L186] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L538] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L192] int splverifierCounter ; [L193] int tmp ; [L194] int tmp___0 ; [L195] int tmp___1 ; [L196] int tmp___2 ; [L199] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L201] COND TRUE 1 [L203] COND TRUE splverifierCounter < 4 [L209] tmp = __VERIFIER_nondet_int() [L211] COND FALSE !(\read(tmp)) [L219] tmp___0 = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp___0)) [L229] tmp___2 = __VERIFIER_nondet_int() [L231] COND TRUE \read(tmp___2) [L244] CALL timeShift() [L271] COND FALSE !(\read(pumpRunning)) [L278] COND TRUE \read(systemActive) [L280] CALL processEnvironment() [L300] int tmp ; [L303] COND FALSE !(\read(pumpRunning)) [L318] FCALL processEnvironment__wrappee__base() [L280] RET processEnvironment() [L286] CALL __utac_acc__Specification2_spec__2() [L543] int tmp ; [L544] int tmp___0 ; [L548] CALL, EXPR isMethaneLevelCritical() [L474] int retValue_acc ; [L477] retValue_acc = methaneLevelCritical [L478] return (retValue_acc); [L548] RET, EXPR isMethaneLevelCritical() [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE !(\read(tmp)) [L566] methAndRunningLastTime = 0 [L286] RET __utac_acc__Specification2_spec__2() [L244] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:35:27,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135f155a-5747-43e5-93d5-fbb9ff16aca1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)