./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.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_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/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_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/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_e0545982-5350-48e9-99bd-7129c9b7daa8/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 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d ........................................................................................................................................................................................................................................................................................................................ 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 23:54:01,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:54:01,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:54:01,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:54:01,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:54:01,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:54:01,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:54:01,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:54:01,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:54:01,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:54:01,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:54:01,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:54:01,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:54:01,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:54:01,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:54:01,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:54:01,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:54:01,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:54:01,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:54:01,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:54:01,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:54:01,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:54:01,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:54:01,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:54:01,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:54:01,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:54:01,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:54:01,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:54:01,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:54:01,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:54:01,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:54:01,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:54:01,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:54:01,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:54:01,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:54:01,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:54:01,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:54:01,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:54:01,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:54:01,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:54:01,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:54:01,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:54:01,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:54:01,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:54:01,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:54:01,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:54:01,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:54:01,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:54:01,600 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:54:01,601 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:54:01,601 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:54:01,601 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:54:01,603 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:54:01,603 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:54:01,603 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:54:01,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:54:01,604 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:54:01,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:54:01,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:54:01,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:54:01,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:54:01,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:54:01,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:54:01,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:54:01,606 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:54:01,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:54:01,607 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:54:01,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:54:01,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:54:01,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:54:01,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:54:01,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:54:01,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:54:01,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:54:01,612 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:54:01,612 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_e0545982-5350-48e9-99bd-7129c9b7daa8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d [2021-10-28 23:54:01,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:54:02,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:54:02,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:54:02,004 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:54:02,005 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:54:02,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-10-28 23:54:02,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/data/d980e8d8b/83481e25dfff42719e7165d7d907aac6/FLAG218b36cdb [2021-10-28 23:54:02,838 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:54:02,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-10-28 23:54:02,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/data/d980e8d8b/83481e25dfff42719e7165d7d907aac6/FLAG218b36cdb [2021-10-28 23:54:03,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/data/d980e8d8b/83481e25dfff42719e7165d7d907aac6 [2021-10-28 23:54:03,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:54:03,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:54:03,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:54:03,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:54:03,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:54:03,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2300f58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03, skipping insertion in model container [2021-10-28 23:54:03,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:54:03,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:54:03,359 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_e0545982-5350-48e9-99bd-7129c9b7daa8/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1605,1618] [2021-10-28 23:54:03,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:54:03,497 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:54:03,514 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_e0545982-5350-48e9-99bd-7129c9b7daa8/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1605,1618] [2021-10-28 23:54:03,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:54:03,598 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:54:03,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03 WrapperNode [2021-10-28 23:54:03,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:54:03,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:54:03,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:54:03,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:54:03,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:54:03,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:54:03,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:54:03,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:54:03,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:54:03,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:54:03,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:54:03,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:54:03,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (1/1) ... [2021-10-28 23:54:03,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:54:03,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:54:03,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:54:03,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:54:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:54:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:54:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:54:03,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:54:04,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:54:04,957 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-28 23:54:04,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:54:04 BoogieIcfgContainer [2021-10-28 23:54:04,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:54:04,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:54:04,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:54:04,966 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:54:04,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:54:04,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:54:03" (1/3) ... [2021-10-28 23:54:04,970 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cde1419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:54:04, skipping insertion in model container [2021-10-28 23:54:04,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:54:04,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:03" (2/3) ... [2021-10-28 23:54:04,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cde1419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:54:04, skipping insertion in model container [2021-10-28 23:54:04,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:54:04,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:54:04" (3/3) ... [2021-10-28 23:54:04,973 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2021-10-28 23:54:05,038 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:54:05,039 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:54:05,039 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:54:05,039 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:54:05,039 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:54:05,040 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:54:05,040 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:54:05,040 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:54:05,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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 23:54:05,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 23:54:05,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:54:05,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:54:05,092 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:54:05,093 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:54:05,093 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:54:05,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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 23:54:05,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 23:54:05,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:54:05,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:54:05,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:54:05,101 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:54:05,106 INFO L791 eck$LassoCheckResult]: Stem: 49#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 39#L-1true havoc main_#res;havoc main_#t~ret66, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 48#L869true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 22#L877true main_#t~ret66 := valid_product_#res;main_~tmp~6 := main_#t~ret66;havoc main_#t~ret66; 8#L752true assume 0 != main_~tmp~6; 12#L725true ~methAndRunningLastTime~0 := 0; 53#L633true havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 46#L644-1true [2021-10-28 23:54:05,107 INFO L793 eck$LassoCheckResult]: Loop: 46#L644-1true assume !false; 33#L440true assume test_~splverifierCounter~0 < 4; 23#L441true test_~tmp~3 := test_#t~nondet42;havoc test_#t~nondet42; 4#L449true assume !(0 != test_~tmp~3); 28#L449-1true test_~tmp___0~0 := test_#t~nondet43;havoc test_#t~nondet43; 11#L459true assume !(0 != test_~tmp___0~0); 41#L459-1true test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 14#L469true assume 0 != test_~tmp___2~0; 30#L475-2true assume !(0 != ~pumpRunning~0); 44#L509true assume 0 != ~systemActive~0; 19#L516true havoc __utac_acc__Specification2_spec__2_#t~ret64, __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 7#L810true __utac_acc__Specification2_spec__2_#t~ret64 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret64;havoc __utac_acc__Specification2_spec__2_#t~ret64; 38#L644true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 46#L644-1true [2021-10-28 23:54:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 23:54:05,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:05,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287492372] [2021-10-28 23:54:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:05,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:54:05,429 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:54:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:54:05,592 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:54:05,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1709485, now seen corresponding path program 1 times [2021-10-28 23:54:05,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:05,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550506095] [2021-10-28 23:54:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:05,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:54:05,606 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:54:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:54:05,619 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:54:05,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:54:05,627 INFO L85 PathProgramCache]: Analyzing trace with hash 835005991, now seen corresponding path program 1 times [2021-10-28 23:54:05,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:54:05,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797298695] [2021-10-28 23:54:05,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:54:05,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:54:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:54:05,797 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:54:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:54:05,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:55:17,117 WARN L207 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 23:56:30,302 WARN L207 SmtUtils]: Spent 35.62 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 23:56:30,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:56:30 BoogieIcfgContainer [2021-10-28 23:56:30,508 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:56:30,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:56:30,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:56:30,511 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:56:30,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:54:04" (3/4) ... [2021-10-28 23:56:30,515 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:56:30,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:56:30,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:56:30,592 INFO L168 Benchmark]: Toolchain (without parser) took 147518.80 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 63.8 MB in the beginning and 81.2 MB in the end (delta: -17.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:30,593 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 81.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:56:30,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.57 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 69.6 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:30,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.24 ms. Allocated memory is still 100.7 MB. Free memory was 69.6 MB in the beginning and 67.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:30,595 INFO L168 Benchmark]: Boogie Preprocessor took 41.18 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 65.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:30,595 INFO L168 Benchmark]: RCFGBuilder took 1246.28 ms. Allocated memory is still 100.7 MB. Free memory was 65.3 MB in the beginning and 64.8 MB in the end (delta: 472.6 kB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:30,596 INFO L168 Benchmark]: BuchiAutomizer took 145548.50 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 64.8 MB in the beginning and 83.2 MB in the end (delta: -18.4 MB). Peak memory consumption was 78.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:30,597 INFO L168 Benchmark]: Witness Printer took 80.38 ms. Allocated memory is still 155.2 MB. Free memory was 83.2 MB in the beginning and 81.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:56:30,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 81.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.57 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 69.6 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.24 ms. Allocated memory is still 100.7 MB. Free memory was 69.6 MB in the beginning and 67.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.18 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 65.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1246.28 ms. Allocated memory is still 100.7 MB. Free memory was 65.3 MB in the beginning and 64.8 MB in the end (delta: 472.6 kB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 145548.50 ms. Allocated memory was 100.7 MB in the beginning and 155.2 MB in the end (delta: 54.5 MB). Free memory was 64.8 MB in the beginning and 83.2 MB in the end (delta: -18.4 MB). Peak memory consumption was 78.9 MB. Max. memory is 16.1 GB. * Witness Printer took 80.38 ms. Allocated memory is still 155.2 MB. Free memory was 83.2 MB in the beginning and 81.2 MB in the end (delta: 2.1 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 145.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 145.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 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: 439]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=28808} State at position 1 is {NULL=0, NULL=28832, NULL=0, NULL=28808, retValue_acc=0, NULL=0, NULL=28835, NULL=28822, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3290a9d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d15b80c=78, NULL=28809, methaneLevelCritical=0, NULL=28818, tmp=0, NULL=0, NULL=28814, tmp___1=0, NULL=28834, NULL=0, NULL=0, NULL=28826, NULL=28820, NULL=28831, cleanupTimeShifts=4, NULL=28821, NULL=28816, NULL=28827, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a5166e2=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a08f043=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e4b3858=0, NULL=28833, \result=1, head=0, pumpRunning=0, NULL=28811, NULL=28830, \result=0, NULL=28836, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=28819, retValue_acc=1, NULL=28817, NULL=0, NULL=0, NULL=28824, NULL=0, tmp___2=78, tmp___0=0, NULL=28828, NULL=28823, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=28815, NULL=28829, NULL=28810, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e64d658=0, NULL=28813, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b9aa289=0, head=0, NULL=0, NULL=0, NULL=28812, NULL=0, NULL=0, tmp=0, NULL=28825} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L627] int methAndRunningLastTime ; [L666] int cleanupTimeShifts = 4; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; [L743] int retValue_acc ; [L744] int tmp ; [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); [L750] tmp = valid_product() [L752] COND TRUE \read(tmp) [L632] methAndRunningLastTime = 0 [L430] int splverifierCounter ; [L431] int tmp ; [L432] int tmp___0 ; [L433] int tmp___1 ; [L434] int tmp___2 ; [L437] splverifierCounter = 0 Loop: [L439] COND TRUE 1 [L441] COND TRUE splverifierCounter < 4 [L447] tmp = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp)) [L457] tmp___0 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___0)) [L467] tmp___2 = __VERIFIER_nondet_int() [L469] COND TRUE \read(tmp___2) [L509] COND FALSE !(\read(pumpRunning)) [L516] COND TRUE \read(systemActive) [L637] int tmp ; [L638] int tmp___0 ; [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] return (retValue_acc); [L642] tmp = isMethaneLevelCritical() [L644] COND FALSE !(\read(tmp)) [L660] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:56:30,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0545982-5350-48e9-99bd-7129c9b7daa8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...