./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product02.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_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/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_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/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_755d4f53-8e27-472a-93ba-27e263efa241/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 dc16baed9582dc03b8c04a72a2e3374c4a73ebd0268e0a32bbf7f86bd3b5da48 ................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:30:20,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:30:20,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:30:20,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:30:20,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:30:20,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:30:20,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:30:20,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:30:20,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:30:20,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:30:20,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:30:20,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:30:20,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:30:20,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:30:20,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:30:20,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:30:20,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:30:20,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:30:20,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:30:20,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:30:20,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:30:20,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:30:20,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:30:20,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:30:20,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:30:20,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:30:20,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:30:20,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:30:20,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:30:20,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:30:20,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:30:20,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:30:20,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:30:20,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:30:20,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:30:20,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:30:20,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:30:20,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:30:20,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:30:20,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:30:20,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:30:20,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:30:20,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:30:20,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:30:20,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:30:20,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:30:20,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:30:20,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:30:20,629 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:30:20,629 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:30:20,629 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:30:20,630 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:30:20,631 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:30:20,631 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:30:20,631 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:30:20,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:30:20,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:30:20,632 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:30:20,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:30:20,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:30:20,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:30:20,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:30:20,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:30:20,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:30:20,633 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:30:20,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:30:20,634 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:30:20,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:30:20,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:30:20,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:30:20,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:30:20,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:30:20,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:30:20,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:30:20,637 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:30:20,637 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_755d4f53-8e27-472a-93ba-27e263efa241/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc16baed9582dc03b8c04a72a2e3374c4a73ebd0268e0a32bbf7f86bd3b5da48 [2021-10-28 23:30:20,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:30:20,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:30:20,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:30:20,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:30:20,961 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:30:20,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2021-10-28 23:30:21,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/data/7f42f0ab1/7006fea6027b45fe875111d2d2e5b662/FLAG3226bea16 [2021-10-28 23:30:21,665 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:30:21,669 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2021-10-28 23:30:21,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/data/7f42f0ab1/7006fea6027b45fe875111d2d2e5b662/FLAG3226bea16 [2021-10-28 23:30:21,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/data/7f42f0ab1/7006fea6027b45fe875111d2d2e5b662 [2021-10-28 23:30:21,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:30:21,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:30:21,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:30:21,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:30:21,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:30:21,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:30:21" (1/1) ... [2021-10-28 23:30:21,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70af6c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:21, skipping insertion in model container [2021-10-28 23:30:21,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:30:21" (1/1) ... [2021-10-28 23:30:21,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:30:22,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:30:22,382 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_755d4f53-8e27-472a-93ba-27e263efa241/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2021-10-28 23:30:22,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:30:22,417 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:30:22,517 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_755d4f53-8e27-472a-93ba-27e263efa241/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2021-10-28 23:30:22,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:30:22,551 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:30:22,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22 WrapperNode [2021-10-28 23:30:22,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:30:22,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:30:22,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:30:22,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:30:22,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:30:22,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:30:22,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:30:22,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:30:22,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:30:22,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:30:22,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:30:22,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:30:22,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (1/1) ... [2021-10-28 23:30:22,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:30:22,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:30:22,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:30:22,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:30:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:30:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:30:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:30:22,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:30:23,641 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:30:23,641 INFO L299 CfgBuilder]: Removed 82 assume(true) statements. [2021-10-28 23:30:23,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:23 BoogieIcfgContainer [2021-10-28 23:30:23,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:30:23,645 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:30:23,645 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:30:23,648 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:30:23,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:30:23,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:30:21" (1/3) ... [2021-10-28 23:30:23,650 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b8ced1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:30:23, skipping insertion in model container [2021-10-28 23:30:23,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:30:23,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:22" (2/3) ... [2021-10-28 23:30:23,651 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b8ced1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:30:23, skipping insertion in model container [2021-10-28 23:30:23,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:30:23,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:23" (3/3) ... [2021-10-28 23:30:23,653 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2021-10-28 23:30:23,694 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:30:23,694 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:30:23,694 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:30:23,695 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:30:23,695 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:30:23,695 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:30:23,695 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:30:23,695 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:30:23,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 23:30:23,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 23:30:23,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:30:23,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:30:23,739 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:30:23,740 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:30:23,740 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:30:23,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 23:30:23,745 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 23:30:23,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:30:23,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:30:23,747 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:30:23,747 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:30:23,751 INFO L791 eck$LassoCheckResult]: Stem: 52#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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 41#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 8#L779true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 53#L787true main_#t~ret77 := valid_product_#res;main_~tmp~5 := main_#t~ret77;havoc main_#t~ret77; 16#L875true assume 0 != main_~tmp~5; 17#L851true ~switchedOnBeforeTS~0 := 0; 44#L711true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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; 58#L732-1true [2021-10-28 23:30:23,752 INFO L793 eck$LassoCheckResult]: Loop: 58#L732-1true assume !false; 32#L640true assume test_~splverifierCounter~0 < 4; 45#L641true test_~tmp~3 := test_#t~nondet69;havoc test_#t~nondet69; 59#L649true assume !(0 != test_~tmp~3); 4#L649-1true test_~tmp___0~0 := test_#t~nondet70;havoc test_#t~nondet70; 30#L659true assume !(0 != test_~tmp___0~0); 23#L659-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 48#L669true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 61#L677-2true havoc __utac_acc__Specification5_spec__2_#t~ret73;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 15#L579true __utac_acc__Specification5_spec__2_#t~ret73 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret73;havoc __utac_acc__Specification5_spec__2_#t~ret73; 20#L721true assume !(0 != ~pumpRunning~0); 42#L520true assume 0 != ~systemActive~0; 27#L527true havoc __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_#t~ret75, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 56#L497true __utac_acc__Specification5_spec__3_#t~ret74 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 28#L732true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 58#L732-1true [2021-10-28 23:30:23,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:23,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 23:30:23,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:23,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497900487] [2021-10-28 23:30:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:23,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:24,014 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:24,229 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:24,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:24,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2021-10-28 23:30:24,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:24,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577326479] [2021-10-28 23:30:24,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:24,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:24,249 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:24,274 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:24,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:24,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2021-10-28 23:30:24,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:24,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075133560] [2021-10-28 23:30:24,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:24,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:30:24,470 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 23:30:24,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:30:24,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075133560] [2021-10-28 23:30:24,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075133560] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:30:24,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:30:24,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:30:24,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138379305] [2021-10-28 23:30:24,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:30:24,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:30:24,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:30:24,781 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 23:30:25,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:30:25,008 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-10-28 23:30:25,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:30:25,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-10-28 23:30:25,020 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-28 23:30:25,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-10-28 23:30:25,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-10-28 23:30:25,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-10-28 23:30:25,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-10-28 23:30:25,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:30:25,031 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-10-28 23:30:25,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-10-28 23:30:25,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-10-28 23:30:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 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 23:30:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-10-28 23:30:25,066 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-28 23:30:25,067 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-28 23:30:25,067 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:30:25,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-10-28 23:30:25,069 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-28 23:30:25,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:30:25,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:30:25,070 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:30:25,070 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:30:25,071 INFO L791 eck$LassoCheckResult]: Stem: 308#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~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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 298#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 252#L779 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 253#L787 main_#t~ret77 := valid_product_#res;main_~tmp~5 := main_#t~ret77;havoc main_#t~ret77; 266#L875 assume 0 != main_~tmp~5; 267#L851 ~switchedOnBeforeTS~0 := 0; 268#L711 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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; 301#L732-1 [2021-10-28 23:30:25,071 INFO L793 eck$LassoCheckResult]: Loop: 301#L732-1 assume !false; 321#L640 assume test_~splverifierCounter~0 < 4; 302#L641 test_~tmp~3 := test_#t~nondet69;havoc test_#t~nondet69; 303#L649 assume !(0 != test_~tmp~3); 244#L649-1 test_~tmp___0~0 := test_#t~nondet70;havoc test_#t~nondet70; 245#L659 assume !(0 != test_~tmp___0~0); 251#L659-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 279#L669 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 258#L677-2 havoc __utac_acc__Specification5_spec__2_#t~ret73;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 264#L579 __utac_acc__Specification5_spec__2_#t~ret73 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret73;havoc __utac_acc__Specification5_spec__2_#t~ret73; 265#L721 assume !(0 != ~pumpRunning~0); 274#L520 assume 0 != ~systemActive~0; 283#L527 havoc __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_#t~ret75, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 284#L497 __utac_acc__Specification5_spec__3_#t~ret74 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 285#L732 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 262#L579-1 __utac_acc__Specification5_spec__3_#t~ret75 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret75;havoc __utac_acc__Specification5_spec__3_#t~ret75; 263#L736 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 301#L732-1 [2021-10-28 23:30:25,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:25,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 23:30:25,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:25,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215381589] [2021-10-28 23:30:25,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:25,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:25,118 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:25,177 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:25,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:25,178 INFO L85 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2021-10-28 23:30:25,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:25,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262442900] [2021-10-28 23:30:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:25,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:25,185 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:25,193 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:30:25,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:30:25,194 INFO L85 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2021-10-28 23:30:25,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:30:25,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388048494] [2021-10-28 23:30:25,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:30:25,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:30:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:25,236 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:30:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:30:25,326 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:31:23,669 WARN L207 SmtUtils]: Spent 58.12 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 23:32:24,381 WARN L207 SmtUtils]: Spent 28.39 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 23:32:24,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:32:24 BoogieIcfgContainer [2021-10-28 23:32:24,501 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:32:24,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:32:24,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:32:24,502 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:32:24,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:23" (3/4) ... [2021-10-28 23:32:24,506 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:32:24,557 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:32:24,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:32:24,558 INFO L168 Benchmark]: Toolchain (without parser) took 122621.49 ms. Allocated memory was 86.0 MB in the beginning and 138.4 MB in the end (delta: 52.4 MB). Free memory was 46.8 MB in the beginning and 66.4 MB in the end (delta: -19.5 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:24,559 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 63.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:32:24,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.98 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 65.7 MB in the beginning and 77.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:24,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.79 ms. Allocated memory is still 111.1 MB. Free memory was 77.3 MB in the beginning and 74.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:24,560 INFO L168 Benchmark]: Boogie Preprocessor took 64.68 ms. Allocated memory is still 111.1 MB. Free memory was 74.4 MB in the beginning and 72.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:24,561 INFO L168 Benchmark]: RCFGBuilder took 940.25 ms. Allocated memory is still 111.1 MB. Free memory was 72.4 MB in the beginning and 82.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:24,562 INFO L168 Benchmark]: BuchiAutomizer took 120856.78 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 82.1 MB in the beginning and 68.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:24,562 INFO L168 Benchmark]: Witness Printer took 55.31 ms. Allocated memory is still 138.4 MB. Free memory was 68.3 MB in the beginning and 66.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:24,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 63.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 597.98 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 65.7 MB in the beginning and 77.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.79 ms. Allocated memory is still 111.1 MB. Free memory was 77.3 MB in the beginning and 74.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.68 ms. Allocated memory is still 111.1 MB. Free memory was 74.4 MB in the beginning and 72.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 940.25 ms. Allocated memory is still 111.1 MB. Free memory was 72.4 MB in the beginning and 82.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 120856.78 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 82.1 MB in the beginning and 68.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 16.1 GB. * Witness Printer took 55.31 ms. Allocated memory is still 138.4 MB. Free memory was 68.3 MB in the beginning and 66.4 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 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 120.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 120.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 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: 639]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7919} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=7919, NULL=0, NULL=0, NULL=7931, NULL=0, retValue_acc=0, NULL=7928, NULL=7943, methaneLevelCritical=0, NULL=7930, tmp=0, NULL=0, tmp=1, NULL=0, NULL=7926, tmp___1=0, NULL=7936, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fda69ae=0, NULL=7942, NULL=7934, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@566448aa=0, NULL=7921, cleanupTimeShifts=4, NULL=7924, switchedOnBeforeTS=0, NULL=7944, NULL=7935, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=7929, NULL=0, NULL=7937, NULL=0, tmp___0=0, NULL=7941, NULL=0, NULL=0, NULL=7922, \result=1, head=0, pumpRunning=0, NULL=7938, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2199b890=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55f95fd6=0, NULL=0, NULL=7927, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57ad4271=0, NULL=0, NULL=0, tmp=1, NULL=7932, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38696cb4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48ac59=61, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ceb4ea5=0, retValue_acc=1, NULL=7946, tmp___2=61, retValue_acc=1, NULL=7923, NULL=7920, splverifierCounter=0, NULL=0, NULL=7945, head=0, NULL=0, NULL=0, NULL=7947, NULL=0, NULL=0, NULL=7933, NULL=7925, NULL=7940, retValue_acc=0, NULL=7939} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L705] int switchedOnBeforeTS ; [L792] int cleanupTimeShifts = 4; [L866] int retValue_acc ; [L867] int tmp ; [L783] int retValue_acc ; [L786] retValue_acc = 1 [L787] return (retValue_acc); [L873] tmp = valid_product() [L875] COND TRUE \read(tmp) [L710] switchedOnBeforeTS = 0 [L630] int splverifierCounter ; [L631] int tmp ; [L632] int tmp___0 ; [L633] int tmp___1 ; [L634] int tmp___2 ; [L637] splverifierCounter = 0 Loop: [L639] COND TRUE 1 [L641] COND TRUE splverifierCounter < 4 [L647] tmp = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp)) [L657] tmp___0 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___0)) [L667] tmp___2 = __VERIFIER_nondet_int() [L669] COND TRUE \read(tmp___2) [L623] systemActive = 1 [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L719] switchedOnBeforeTS = isPumpRunning() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L725] int tmp ; [L726] int tmp___0 ; [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L730] tmp = getWaterLevel() [L732] COND TRUE tmp != 2 [L575] int retValue_acc ; [L578] retValue_acc = pumpRunning [L579] return (retValue_acc); [L734] tmp___0 = isPumpRunning() [L736] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:32:24,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_755d4f53-8e27-472a-93ba-27e263efa241/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...