./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD --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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:00:25,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:00:25,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:00:25,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:00:25,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:00:25,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:00:25,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:00:25,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:00:25,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:00:25,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:00:25,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:00:25,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:00:25,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:00:25,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:00:25,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:00:25,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:00:25,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:00:25,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:00:25,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:00:25,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:00:25,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:00:25,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:00:25,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:00:25,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:00:25,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:00:25,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:00:25,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:00:25,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:00:25,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:00:25,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:00:25,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:00:25,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:00:25,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:00:25,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:00:25,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:00:25,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:00:25,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:00:25,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:00:25,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:00:25,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:00:25,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:00:25,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:00:25,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:00:25,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:00:25,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:00:25,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:00:25,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:00:25,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:00:25,517 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:00:25,517 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:00:25,517 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:00:25,517 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:00:25,518 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:00:25,519 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:00:25,519 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:00:25,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:00:25,520 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:00:25,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:00:25,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:00:25,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:00:25,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:00:25,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:00:25,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:00:25,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:00:25,521 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:00:25,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:00:25,522 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:00:25,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:00:25,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:00:25,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:00:25,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:00:25,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:00:25,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:00:25,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:00:25,526 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:00:25,527 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_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 [2021-10-28 23:00:25,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:00:25,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:00:25,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:00:25,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:00:25,805 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:00:25,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-10-28 23:00:25,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/data/b381009fd/b3f551d0cd45429ca35e5c54700c1df7/FLAG95d442c7a [2021-10-28 23:00:26,424 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:00:26,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-10-28 23:00:26,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/data/b381009fd/b3f551d0cd45429ca35e5c54700c1df7/FLAG95d442c7a [2021-10-28 23:00:26,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/data/b381009fd/b3f551d0cd45429ca35e5c54700c1df7 [2021-10-28 23:00:26,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:00:26,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:00:26,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:00:26,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:00:26,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:00:26,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:26" (1/1) ... [2021-10-28 23:00:26,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae77ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:26, skipping insertion in model container [2021-10-28 23:00:26,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:26" (1/1) ... [2021-10-28 23:00:26,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:00:26,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:00:27,045 WARN L228 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_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2021-10-28 23:00:27,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:00:27,138 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:00:27,157 WARN L228 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_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2021-10-28 23:00:27,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:00:27,254 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:00:27,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27 WrapperNode [2021-10-28 23:00:27,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:00:27,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:00:27,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:00:27,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:00:27,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:00:27,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:00:27,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:00:27,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:00:27,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:00:27,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:00:27,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:00:27,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:00:27,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (1/1) ... [2021-10-28 23:00:27,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:00:27,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:00:27,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:00:27,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:00:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:00:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:00:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:00:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:00:28,404 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:00:28,405 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-28 23:00:28,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:28 BoogieIcfgContainer [2021-10-28 23:00:28,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:00:28,409 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:00:28,409 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:00:28,414 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:00:28,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:28,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:00:26" (1/3) ... [2021-10-28 23:00:28,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@662ab6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:00:28, skipping insertion in model container [2021-10-28 23:00:28,417 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:28,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:27" (2/3) ... [2021-10-28 23:00:28,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@662ab6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:00:28, skipping insertion in model container [2021-10-28 23:00:28,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:00:28,418 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:28" (3/3) ... [2021-10-28 23:00:28,420 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2021-10-28 23:00:28,476 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:00:28,477 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:00:28,477 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:00:28,477 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:00:28,477 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:00:28,477 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:00:28,477 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:00:28,477 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:00:28,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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) [2021-10-28 23:00:28,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-28 23:00:28,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:00:28,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:00:28,536 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:00:28,536 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:28,536 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:00:28,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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) [2021-10-28 23:00:28,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-28 23:00:28,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:00:28,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:00:28,553 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:00:28,554 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:28,567 INFO L791 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 38#L-1true havoc main_#res;havoc main_#t~ret9, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 63#L214true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 12#L222true main_#t~ret9 := valid_product_#res;main_~tmp~1 := main_#t~ret9;havoc main_#t~ret9; 65#L169true assume 0 != main_~tmp~1; 31#L142true havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 45#L61-1true [2021-10-28 23:00:28,568 INFO L793 eck$LassoCheckResult]: Loop: 45#L61-1true assume !false; 24#L238true assume test_~splverifierCounter~0 < 4; 25#L239true test_~tmp~2 := test_#t~nondet11;havoc test_#t~nondet11; 36#L247true assume !(0 != test_~tmp~2); 48#L247-1true test_~tmp___0~1 := test_#t~nondet12;havoc test_#t~nondet12; 62#L257true assume !(0 != test_~tmp___0~1); 60#L257-1true test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 21#L267true assume 0 != test_~tmp___2~0; 40#L273-2true assume !(0 != ~pumpRunning~0); 70#L305true assume !(0 != ~systemActive~0); 68#L312true havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 6#L525true __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 7#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 45#L61-1true [2021-10-28 23:00:28,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:28,574 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 23:00:28,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:28,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145668521] [2021-10-28 23:00:28,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:28,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:28,908 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:29,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:29,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:29,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2021-10-28 23:00:29,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:29,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448807331] [2021-10-28 23:00:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:29,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:29,123 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:29,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:29,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:29,145 INFO L85 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2021-10-28 23:00:29,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:29,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506012140] [2021-10-28 23:00:29,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:29,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:00:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:00:29,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:00:29,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506012140] [2021-10-28 23:00:29,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506012140] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:00:29,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:00:29,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:00:29,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195337980] [2021-10-28 23:00:29,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:00:29,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:00:29,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:00:29,458 INFO L87 Difference]: Start difference. First operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-10-28 23:00:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:00:29,678 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2021-10-28 23:00:29,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:00:29,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2021-10-28 23:00:29,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-28 23:00:29,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2021-10-28 23:00:29,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2021-10-28 23:00:29,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2021-10-28 23:00:29,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2021-10-28 23:00:29,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:00:29,695 INFO L681 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-28 23:00:29,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2021-10-28 23:00:29,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-28 23:00:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 64 states have internal predecessors, (90), 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) [2021-10-28 23:00:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-28 23:00:29,737 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-28 23:00:29,738 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-28 23:00:29,738 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:00:29,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2021-10-28 23:00:29,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-28 23:00:29,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:00:29,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:00:29,740 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:00:29,740 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:00:29,741 INFO L791 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 211#L-1 havoc main_#res;havoc main_#t~ret9, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 212#L214 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 177#L222 main_#t~ret9 := valid_product_#res;main_~tmp~1 := main_#t~ret9;havoc main_#t~ret9; 178#L169 assume 0 != main_~tmp~1; 202#L142 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 168#L61-1 [2021-10-28 23:00:29,741 INFO L793 eck$LassoCheckResult]: Loop: 168#L61-1 assume !false; 194#L238 assume test_~splverifierCounter~0 < 4; 195#L239 test_~tmp~2 := test_#t~nondet11;havoc test_#t~nondet11; 197#L247 assume !(0 != test_~tmp~2); 209#L247-1 test_~tmp___0~1 := test_#t~nondet12;havoc test_#t~nondet12; 220#L257 assume !(0 != test_~tmp___0~1); 222#L257-1 test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 190#L267 assume 0 != test_~tmp___2~0; 191#L273-2 assume !(0 != ~pumpRunning~0); 214#L305 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 172#L337 assume !(0 != ~pumpRunning~0); 174#L312 havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 162#L525 __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 163#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 168#L61-1 [2021-10-28 23:00:29,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:29,742 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 23:00:29,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:29,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276435926] [2021-10-28 23:00:29,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:29,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:29,820 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:29,926 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:29,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:29,932 INFO L85 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2021-10-28 23:00:29,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:29,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631175948] [2021-10-28 23:00:29,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:29,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:29,943 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:29,951 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:29,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:00:29,958 INFO L85 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2021-10-28 23:00:29,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:00:29,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786393150] [2021-10-28 23:00:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:00:29,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:00:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:30,024 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:00:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:00:30,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:28,349 WARN L207 SmtUtils]: Spent 58.12 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 23:02:30,130 WARN L207 SmtUtils]: Spent 29.79 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 23:02:30,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:02:30 BoogieIcfgContainer [2021-10-28 23:02:30,272 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:02:30,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:02:30,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:02:30,273 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:02:30,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:28" (3/4) ... [2021-10-28 23:02:30,275 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:02:30,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:02:30,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:02:30,317 INFO L168 Benchmark]: Toolchain (without parser) took 123543.39 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 87.4 MB in the beginning and 74.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 61.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:30,318 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 117.4 MB. Free memory is still 72.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:30,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.85 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 87.0 MB in the beginning and 131.7 MB in the end (delta: -44.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:30,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.06 ms. Allocated memory is still 165.7 MB. Free memory was 131.7 MB in the beginning and 129.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:30,320 INFO L168 Benchmark]: Boogie Preprocessor took 58.43 ms. Allocated memory is still 165.7 MB. Free memory was 129.1 MB in the beginning and 127.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:30,321 INFO L168 Benchmark]: RCFGBuilder took 993.45 ms. Allocated memory is still 165.7 MB. Free memory was 127.0 MB in the beginning and 89.7 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:30,322 INFO L168 Benchmark]: BuchiAutomizer took 121863.37 ms. Allocated memory is still 165.7 MB. Free memory was 89.2 MB in the beginning and 76.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 62.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:30,323 INFO L168 Benchmark]: Witness Printer took 43.58 ms. Allocated memory is still 165.7 MB. Free memory was 76.8 MB in the beginning and 74.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:30,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 117.4 MB. Free memory is still 72.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 479.85 ms. Allocated memory was 117.4 MB in the beginning and 165.7 MB in the end (delta: 48.2 MB). Free memory was 87.0 MB in the beginning and 131.7 MB in the end (delta: -44.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.06 ms. Allocated memory is still 165.7 MB. Free memory was 131.7 MB in the beginning and 129.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.43 ms. Allocated memory is still 165.7 MB. Free memory was 129.1 MB in the beginning and 127.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 993.45 ms. Allocated memory is still 165.7 MB. Free memory was 127.0 MB in the beginning and 89.7 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 121863.37 ms. Allocated memory is still 165.7 MB. Free memory was 89.2 MB in the beginning and 76.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 62.3 MB. Max. memory is 16.1 GB. * Witness Printer took 43.58 ms. Allocated memory is still 165.7 MB. Free memory was 76.8 MB in the beginning and 74.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 121.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 121.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. 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 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 367 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 237]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=13407} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=13407, NULL=15155, NULL=0, NULL=13408, NULL=0, NULL=15164, NULL=15158, methaneLevelCritical=0, NULL=15153, tmp=0, NULL=0, NULL=15157, NULL=0, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cbc7cfb=0, NULL=0, NULL=0, NULL=15141, tmp___0=0, NULL=15148, NULL=15165, cleanupTimeShifts=4, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@525735a5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f6b9b0=0, NULL=15151, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e98db13=0, NULL=15149, head=0, pumpRunning=0, \result=0, NULL=15162, NULL=15166, tmp=1, NULL=0, NULL=0, NULL=15143, NULL=15163, tmp=1, NULL=15145, NULL=0, NULL=0, NULL=15161, NULL=0, NULL=0, NULL=15150, NULL=0, retValue_acc=1, retValue_acc=1, tmp___2=62, NULL=0, NULL=15156, tmp___0=0, NULL=15152, splverifierCounter=0, NULL=0, NULL=15159, NULL=15140, NULL=15160, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f85ff6a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2795ca5=62, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3af5ad26=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d671ab=0, tmp=0, head=0, NULL=0, NULL=0, NULL=15147, NULL=0, NULL=0, NULL=15142, NULL=0, NULL=0, NULL=0, NULL=15154, NULL=15146, NULL=15144} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L79] int cleanupTimeShifts = 4; [L298] int pumpRunning = 0; [L299] int systemActive = 1; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L708] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L160] int retValue_acc ; [L161] int tmp ; [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L228] int splverifierCounter ; [L229] int tmp ; [L230] int tmp___0 ; [L231] int tmp___1 ; [L232] int tmp___2 ; [L235] splverifierCounter = 0 Loop: [L237] COND TRUE 1 [L239] COND TRUE splverifierCounter < 4 [L245] tmp = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp)) [L255] tmp___0 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___0)) [L265] tmp___2 = __VERIFIER_nondet_int() [L267] COND TRUE \read(tmp___2) [L305] COND FALSE !(\read(pumpRunning)) [L312] COND TRUE \read(systemActive) [L334] int tmp ; [L337] COND FALSE !(\read(pumpRunning)) [L54] int tmp ; [L55] int tmp___0 ; [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:02:30,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3dd33b6-bbd0-4f8c-ac8d-44089c2908eb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...