./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.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_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/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_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/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_a0e6691b-e8f8-459e-9844-0bf543e1990c/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 b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f .................................................................................................................................................................................................................................................................................................................................................................................... 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 23:17:34,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:17:34,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:17:34,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:17:34,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:17:34,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:17:34,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:17:34,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:17:34,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:17:34,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:17:34,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:17:34,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:17:34,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:17:34,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:17:34,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:17:34,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:17:34,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:17:34,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:17:34,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:17:34,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:17:34,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:17:34,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:17:34,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:17:34,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:17:34,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:17:34,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:17:34,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:17:34,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:17:34,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:17:34,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:17:34,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:17:34,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:17:34,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:17:34,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:17:34,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:17:34,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:17:34,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:17:34,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:17:34,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:17:34,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:17:34,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:17:34,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:17:34,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:17:34,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:17:34,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:17:34,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:17:34,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:17:34,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:17:34,748 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:17:34,749 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:17:34,749 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:17:34,749 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:17:34,751 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:17:34,751 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:17:34,751 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:17:34,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:17:34,752 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:17:34,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:17:34,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:17:34,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:17:34,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:17:34,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:17:34,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:17:34,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:17:34,755 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:17:34,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:17:34,755 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:17:34,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:17:34,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:17:34,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:17:34,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:17:34,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:17:34,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:17:34,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:17:34,761 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:17:34,762 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_a0e6691b-e8f8-459e-9844-0bf543e1990c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f [2021-10-28 23:17:35,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:17:35,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:17:35,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:17:35,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:17:35,242 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:17:35,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2021-10-28 23:17:35,343 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/data/15a55057f/c9367d6e12f8404db4baaba2c59e9b33/FLAG2d0094818 [2021-10-28 23:17:35,974 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:17:35,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2021-10-28 23:17:35,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/data/15a55057f/c9367d6e12f8404db4baaba2c59e9b33/FLAG2d0094818 [2021-10-28 23:17:36,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/data/15a55057f/c9367d6e12f8404db4baaba2c59e9b33 [2021-10-28 23:17:36,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:17:36,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:17:36,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:17:36,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:17:36,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:17:36,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:17:36" (1/1) ... [2021-10-28 23:17:36,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5ab3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:36, skipping insertion in model container [2021-10-28 23:17:36,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:17:36" (1/1) ... [2021-10-28 23:17:36,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:17:36,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:17:36,777 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_a0e6691b-e8f8-459e-9844-0bf543e1990c/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2021-10-28 23:17:36,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:17:36,810 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:17:36,994 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_a0e6691b-e8f8-459e-9844-0bf543e1990c/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2021-10-28 23:17:36,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:17:37,032 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:17:37,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37 WrapperNode [2021-10-28 23:17:37,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:17:37,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:17:37,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:17:37,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:17:37,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:17:37,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:17:37,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:17:37,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:17:37,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:17:37,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:17:37,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:17:37,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:17:37,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (1/1) ... [2021-10-28 23:17:37,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:17:37,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:17:37,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:17:37,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:17:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:17:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:17:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:17:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:17:38,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:17:38,626 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-28 23:17:38,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:38 BoogieIcfgContainer [2021-10-28 23:17:38,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:17:38,631 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:17:38,631 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:17:38,635 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:17:38,636 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:17:38,637 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:17:36" (1/3) ... [2021-10-28 23:17:38,638 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@511304c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:17:38, skipping insertion in model container [2021-10-28 23:17:38,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:17:38,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:17:37" (2/3) ... [2021-10-28 23:17:38,639 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@511304c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:17:38, skipping insertion in model container [2021-10-28 23:17:38,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:17:38,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:38" (3/3) ... [2021-10-28 23:17:38,642 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2021-10-28 23:17:38,697 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:17:38,697 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:17:38,698 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:17:38,698 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:17:38,698 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:17:38,698 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:17:38,699 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:17:38,699 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:17:38,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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 23:17:38,753 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 23:17:38,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:17:38,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:17:38,763 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:38,763 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:38,763 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:17:38,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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 23:17:38,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 23:17:38,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:17:38,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:17:38,775 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:38,775 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:38,782 INFO L791 eck$LassoCheckResult]: Stem: 96#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~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);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(75, #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(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 32#L-1true havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 15#L441true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 58#L449true main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 39#L543true assume 0 != main_~tmp~3; 71#L517true ~methAndRunningLastTime~0 := 0; 89#L941true havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 104#L952-1true [2021-10-28 23:17:38,806 INFO L793 eck$LassoCheckResult]: Loop: 104#L952-1true assume !false; 11#L663true assume test_~splverifierCounter~0 < 4; 28#L664true test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 92#L672true assume !(0 != test_~tmp~4); 52#L672-1true test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 62#L682true assume !(0 != test_~tmp___0~0); 20#L682-1true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 27#L692true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 82#L700-2true assume !(0 != ~pumpRunning~0); 45#L730true assume !(0 != ~systemActive~0); 18#L737true havoc __utac_acc__Specification2_spec__2_#t~ret79, __utac_acc__Specification2_spec__2_#t~ret80, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;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; 43#L605-1true __utac_acc__Specification2_spec__2_#t~ret79 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret79;havoc __utac_acc__Specification2_spec__2_#t~ret79; 107#L952true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 104#L952-1true [2021-10-28 23:17:38,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:38,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 23:17:38,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:38,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156732765] [2021-10-28 23:17:38,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:38,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:17:39,203 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:17:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:17:39,400 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:17:39,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:39,403 INFO L85 PathProgramCache]: Analyzing trace with hash 4938827, now seen corresponding path program 1 times [2021-10-28 23:17:39,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:39,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548022623] [2021-10-28 23:17:39,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:39,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:17:39,467 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 23:17:39,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:17:39,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548022623] [2021-10-28 23:17:39,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548022623] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:17:39,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:17:39,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:17:39,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263001023] [2021-10-28 23:17:39,477 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:17:39,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:17:39,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:17:39,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:17:39,493 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 23:17:39,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:17:39,561 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-10-28 23:17:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:17:39,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 150 transitions. [2021-10-28 23:17:39,568 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-28 23:17:39,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2021-10-28 23:17:39,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2021-10-28 23:17:39,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2021-10-28 23:17:39,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2021-10-28 23:17:39,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:17:39,579 INFO L681 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 23:17:39,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2021-10-28 23:17:39,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-10-28 23:17:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 98 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 23:17:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2021-10-28 23:17:39,642 INFO L704 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 23:17:39,643 INFO L587 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 23:17:39,643 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:17:39,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2021-10-28 23:17:39,649 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-28 23:17:39,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:17:39,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:17:39,650 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:39,651 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:17:39,651 INFO L791 eck$LassoCheckResult]: Stem: 319#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~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);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(75, #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(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 269#L-1 havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 245#L441 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 246#L449 main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 274#L543 assume 0 != main_~tmp~3; 275#L517 ~methAndRunningLastTime~0 := 0; 307#L941 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 295#L952-1 [2021-10-28 23:17:39,651 INFO L793 eck$LassoCheckResult]: Loop: 295#L952-1 assume !false; 236#L663 assume test_~splverifierCounter~0 < 4; 237#L664 test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 262#L672 assume !(0 != test_~tmp~4); 222#L672-1 test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 293#L682 assume !(0 != test_~tmp___0~0); 240#L682-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 253#L692 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 261#L700-2 assume !(0 != ~pumpRunning~0); 285#L730 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret59, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 286#L788 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret58, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 315#L762-1 assume !(0 != ~pumpRunning~0); 224#L737 havoc __utac_acc__Specification2_spec__2_#t~ret79, __utac_acc__Specification2_spec__2_#t~ret80, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;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; 250#L605-1 __utac_acc__Specification2_spec__2_#t~ret79 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret79;havoc __utac_acc__Specification2_spec__2_#t~ret79; 282#L952 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 295#L952-1 [2021-10-28 23:17:39,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:39,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 23:17:39,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:39,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357936327] [2021-10-28 23:17:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:39,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:17:39,716 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:17:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:17:39,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:17:39,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:39,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1698133379, now seen corresponding path program 1 times [2021-10-28 23:17:39,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:39,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660261711] [2021-10-28 23:17:39,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:39,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:17:39,806 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:17:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:17:39,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:17:39,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:17:39,833 INFO L85 PathProgramCache]: Analyzing trace with hash 235891831, now seen corresponding path program 1 times [2021-10-28 23:17:39,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:17:39,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96314390] [2021-10-28 23:17:39,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:17:39,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:17:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:17:39,895 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:17:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:17:40,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:48,866 WARN L207 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 23:20:00,531 WARN L207 SmtUtils]: Spent 36.97 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 23:20:00,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:20:00 BoogieIcfgContainer [2021-10-28 23:20:00,713 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:20:00,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:20:00,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:20:00,714 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:20:00,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:17:38" (3/4) ... [2021-10-28 23:20:00,718 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:20:00,778 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:20:00,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:20:00,780 INFO L168 Benchmark]: Toolchain (without parser) took 144535.88 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 55.9 MB in the beginning and 75.2 MB in the end (delta: -19.2 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:00,781 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 92.3 MB. Free memory was 65.0 MB in the beginning and 65.0 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:00,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.08 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 55.9 MB in the beginning and 98.9 MB in the end (delta: -42.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:00,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.27 ms. Allocated memory is still 132.1 MB. Free memory was 98.9 MB in the beginning and 95.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:00,783 INFO L168 Benchmark]: Boogie Preprocessor took 76.45 ms. Allocated memory is still 132.1 MB. Free memory was 95.5 MB in the beginning and 93.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:00,784 INFO L168 Benchmark]: RCFGBuilder took 1418.49 ms. Allocated memory is still 132.1 MB. Free memory was 93.4 MB in the beginning and 50.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:00,785 INFO L168 Benchmark]: BuchiAutomizer took 142081.96 ms. Allocated memory is still 132.1 MB. Free memory was 50.2 MB in the beginning and 77.1 MB in the end (delta: -27.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:00,785 INFO L168 Benchmark]: Witness Printer took 65.74 ms. Allocated memory is still 132.1 MB. Free memory was 77.1 MB in the beginning and 75.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:00,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 92.3 MB. Free memory was 65.0 MB in the beginning and 65.0 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 786.08 ms. Allocated memory was 92.3 MB in the beginning and 132.1 MB in the end (delta: 39.8 MB). Free memory was 55.9 MB in the beginning and 98.9 MB in the end (delta: -42.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.27 ms. Allocated memory is still 132.1 MB. Free memory was 98.9 MB in the beginning and 95.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.45 ms. Allocated memory is still 132.1 MB. Free memory was 95.5 MB in the beginning and 93.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1418.49 ms. Allocated memory is still 132.1 MB. Free memory was 93.4 MB in the beginning and 50.2 MB in the end (delta: 43.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 142081.96 ms. Allocated memory is still 132.1 MB. Free memory was 50.2 MB in the beginning and 77.1 MB in the end (delta: -27.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * Witness Printer took 65.74 ms. Allocated memory is still 132.1 MB. Free memory was 77.1 MB in the beginning and 75.2 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 3 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 142.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 141.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 147 SDtfs, 147 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 662]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=19615} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=19615, NULL=19641, NULL=0, retValue_acc=0, NULL=19632, NULL=19629, NULL=19630, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c68b316=0, methaneLevelCritical=0, NULL=19623, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=19635, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54e76752=0, NULL=0, NULL=0, NULL=19617, NULL=19622, NULL=19634, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@428207cb=0, NULL=19619, NULL=19621, NULL=19626, NULL=19631, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=19640, NULL=0, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@244c82b7=0, NULL=19627, tmp___0=0, NULL=0, NULL=19625, \result=1, head=0, pumpRunning=0, NULL=19639, \result=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=19620, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7db42398=0, retValue_acc=1, NULL=19637, NULL=0, NULL=0, NULL=19643, NULL=0, NULL=19633, tmp___2=76, NULL=0, NULL=19616, NULL=19628, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=19642, NULL=19618, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f3d96b1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f08e5b3=76, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19a3c808=0, head=0, NULL=0, NULL=0, tmp=0, NULL=19624, NULL=0, NULL=0, NULL=19636, NULL=19638, tmp=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f36b725=0} - 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; [L454] int cleanupTimeShifts = 4; [L562] int waterLevel = 1; [L563] int methaneLevelCritical = 0; [L722] int pumpRunning = 0; [L723] int systemActive = 1; [L935] int methAndRunningLastTime ; [L534] int retValue_acc ; [L535] int tmp ; [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L940] methAndRunningLastTime = 0 [L653] int splverifierCounter ; [L654] int tmp ; [L655] int tmp___0 ; [L656] int tmp___1 ; [L657] int tmp___2 ; [L660] splverifierCounter = 0 Loop: [L662] COND TRUE 1 [L664] COND TRUE splverifierCounter < 4 [L670] tmp = __VERIFIER_nondet_int() [L672] COND FALSE !(\read(tmp)) [L680] tmp___0 = __VERIFIER_nondet_int() [L682] COND FALSE !(\read(tmp___0)) [L690] tmp___2 = __VERIFIER_nondet_int() [L692] COND TRUE \read(tmp___2) [L921] systemActive = 1 [L730] COND FALSE !(\read(pumpRunning)) [L737] COND TRUE \read(systemActive) [L785] int tmp ; [L788] COND FALSE !(\read(pumpRunning)) [L759] int tmp ; [L762] COND FALSE !(\read(pumpRunning)) [L945] int tmp ; [L946] int tmp___0 ; [L601] int retValue_acc ; [L604] retValue_acc = methaneLevelCritical [L605] return (retValue_acc); [L950] tmp = isMethaneLevelCritical() [L952] COND FALSE !(\read(tmp)) [L968] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:20:00,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e6691b-e8f8-459e-9844-0bf543e1990c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...