./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.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_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg --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 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 ......................................................................................................................................................................................................................................................................................................................................................................................... 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 09:36:58,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:36:58,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:36:58,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:36:58,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:36:58,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:36:58,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:36:58,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:36:58,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:36:58,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:36:58,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:36:58,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:36:58,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:36:58,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:36:58,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:36:58,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:36:58,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:36:58,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:36:58,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:36:58,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:36:58,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:36:58,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:36:58,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:36:58,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:36:58,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:36:58,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:36:58,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:36:58,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:36:58,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:36:58,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:36:58,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:36:58,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:36:58,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:36:58,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:36:58,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:36:58,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:36:58,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:36:58,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:36:58,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:36:58,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:36:58,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:36:58,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:36:58,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:36:58,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:36:58,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:36:58,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:36:58,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:36:58,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:36:58,633 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:36:58,633 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:36:58,633 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:36:58,634 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:36:58,635 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:36:58,635 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:36:58,635 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:36:58,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:36:58,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:36:58,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:36:58,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:36:58,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:36:58,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:36:58,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:36:58,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:36:58,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:36:58,638 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:36:58,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:36:58,638 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:36:58,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:36:58,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:36:58,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:36:58,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:36:58,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:36:58,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:36:58,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:36:58,641 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:36:58,641 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_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 [2021-10-28 09:36:58,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:36:58,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:36:58,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:36:58,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:36:58,922 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:36:58,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-10-28 09:36:58,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/data/7fb631e0c/eec7e934119b46a1bd7115d789b420ae/FLAGd96899674 [2021-10-28 09:36:59,490 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:36:59,490 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-10-28 09:36:59,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/data/7fb631e0c/eec7e934119b46a1bd7115d789b420ae/FLAGd96899674 [2021-10-28 09:36:59,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/data/7fb631e0c/eec7e934119b46a1bd7115d789b420ae [2021-10-28 09:36:59,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:36:59,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:36:59,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:36:59,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:36:59,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:36:59,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:36:59" (1/1) ... [2021-10-28 09:36:59,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c47d8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:59, skipping insertion in model container [2021-10-28 09:36:59,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:36:59" (1/1) ... [2021-10-28 09:36:59,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:36:59,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:37:00,062 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_dc06785c-9ad0-4d97-a27e-56f76a16fb50/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1605,1618] [2021-10-28 09:37:00,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:37:00,182 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:37:00,196 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_dc06785c-9ad0-4d97-a27e-56f76a16fb50/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1605,1618] [2021-10-28 09:37:00,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:37:00,268 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:37:00,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00 WrapperNode [2021-10-28 09:37:00,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:37:00,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:37:00,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:37:00,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:37:00,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:37:00,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:37:00,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:37:00,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:37:00,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:37:00,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:37:00,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:37:00,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:37:00,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (1/1) ... [2021-10-28 09:37:00,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:37:00,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:37:00,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:37:00,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:37:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:37:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:37:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:37:00,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:37:01,350 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:37:01,350 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-28 09:37:01,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:01 BoogieIcfgContainer [2021-10-28 09:37:01,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:37:01,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:37:01,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:37:01,357 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:37:01,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:37:01,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:36:59" (1/3) ... [2021-10-28 09:37:01,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2084294d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:37:01, skipping insertion in model container [2021-10-28 09:37:01,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:37:01,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:37:00" (2/3) ... [2021-10-28 09:37:01,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2084294d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:37:01, skipping insertion in model container [2021-10-28 09:37:01,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:37:01,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:01" (3/3) ... [2021-10-28 09:37:01,361 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2021-10-28 09:37:01,402 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:37:01,402 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:37:01,402 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:37:01,402 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:37:01,403 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:37:01,403 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:37:01,403 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:37:01,403 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:37:01,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 09:37:01,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 09:37:01,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:37:01,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:37:01,451 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:37:01,452 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:01,452 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:37:01,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 09:37:01,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 09:37:01,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:37:01,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:37:01,460 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:37:01,460 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:01,465 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~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~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 32#L-1true havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 30#L546true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 106#L554true main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 55#L935true assume 0 != main_~tmp~8; 94#L912true havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, 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; 17#L835-1true [2021-10-28 09:37:01,465 INFO L793 eck$LassoCheckResult]: Loop: 17#L835-1true assume !false; 42#L573true assume test_~splverifierCounter~0 < 4; 40#L574true test_~tmp~3 := test_#t~nondet53;havoc test_#t~nondet53; 102#L582true assume !(0 != test_~tmp~3); 28#L582-1true test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 14#L592true assume !(0 != test_~tmp___0~0); 46#L592-1true test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 10#L602true assume 0 != test_~tmp___2~0; 79#L608-1true assume !(0 != ~pumpRunning~0); 34#L641true assume !(0 != ~systemActive~0); 104#L648true havoc __utac_acc__Specification4_spec__1_#t~ret77, __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 16#L507true __utac_acc__Specification4_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret77;havoc __utac_acc__Specification4_spec__1_#t~ret77; 99#L835true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 17#L835-1true [2021-10-28 09:37:01,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:01,471 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 09:37:01,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:01,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379451750] [2021-10-28 09:37:01,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:01,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:01,777 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:37:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:01,889 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:37:01,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:01,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2021-10-28 09:37:01,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:01,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443646729] [2021-10-28 09:37:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:01,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:01,899 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:37:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:01,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:37:01,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:01,910 INFO L85 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2021-10-28 09:37:01,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:01,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098718761] [2021-10-28 09:37:01,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:01,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:37:02,057 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 09:37:02,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:37:02,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098718761] [2021-10-28 09:37:02,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098718761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:37:02,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:37:02,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:37:02,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401549050] [2021-10-28 09:37:02,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:37:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:37:02,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:37:02,196 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:37:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:37:02,441 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2021-10-28 09:37:02,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:37:02,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2021-10-28 09:37:02,451 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2021-10-28 09:37:02,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2021-10-28 09:37:02,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2021-10-28 09:37:02,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2021-10-28 09:37:02,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2021-10-28 09:37:02,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:37:02,478 INFO L681 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2021-10-28 09:37:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2021-10-28 09:37:02,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2021-10-28 09:37:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.434782608695652) internal successors, (198), 137 states have internal predecessors, (198), 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 09:37:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2021-10-28 09:37:02,533 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-10-28 09:37:02,534 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-10-28 09:37:02,534 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:37:02,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2021-10-28 09:37:02,543 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2021-10-28 09:37:02,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:37:02,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:37:02,543 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:37:02,544 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:37:02,544 INFO L791 eck$LassoCheckResult]: Stem: 471#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~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 422#L-1 havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 419#L546 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 420#L554 main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 448#L935 assume 0 != main_~tmp~8; 449#L912 havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, 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; 400#L835-1 [2021-10-28 09:37:02,544 INFO L793 eck$LassoCheckResult]: Loop: 400#L835-1 assume !false; 401#L573 assume test_~splverifierCounter~0 < 4; 435#L574 test_~tmp~3 := test_#t~nondet53;havoc test_#t~nondet53; 436#L582 assume !(0 != test_~tmp~3); 416#L582-1 test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 394#L592 assume !(0 != test_~tmp___0~0); 395#L592-1 test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 384#L602 assume 0 != test_~tmp___2~0; 385#L608-1 assume !(0 != ~pumpRunning~0); 425#L641 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret58, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 426#L699 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret57, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 429#L673-1 assume !(0 != ~pumpRunning~0); 383#L648 havoc __utac_acc__Specification4_spec__1_#t~ret77, __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 398#L507 __utac_acc__Specification4_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret77;havoc __utac_acc__Specification4_spec__1_#t~ret77; 399#L835 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 400#L835-1 [2021-10-28 09:37:02,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:02,545 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 09:37:02,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:02,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267844577] [2021-10-28 09:37:02,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:02,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:02,622 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:37:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:02,678 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:37:02,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:02,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2021-10-28 09:37:02,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:02,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634368605] [2021-10-28 09:37:02,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:02,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:02,691 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:37:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:02,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:37:02,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:37:02,708 INFO L85 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2021-10-28 09:37:02,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:37:02,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575244292] [2021-10-28 09:37:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:37:02,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:37:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:02,782 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:37:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:37:02,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:38:00,815 WARN L207 SmtUtils]: Spent 57.84 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 09:39:01,113 WARN L207 SmtUtils]: Spent 28.95 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 09:39:01,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:39:01 BoogieIcfgContainer [2021-10-28 09:39:01,250 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:39:01,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:39:01,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:39:01,251 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:39:01,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:37:01" (3/4) ... [2021-10-28 09:39:01,269 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:39:01,368 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:39:01,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:39:01,370 INFO L168 Benchmark]: Toolchain (without parser) took 121572.67 ms. Allocated memory was 102.8 MB in the beginning and 155.2 MB in the end (delta: 52.4 MB). Free memory was 71.2 MB in the beginning and 72.8 MB in the end (delta: -1.6 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:01,370 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:39:01,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.03 ms. Allocated memory is still 102.8 MB. Free memory was 71.2 MB in the beginning and 71.0 MB in the end (delta: 174.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:01,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.35 ms. Allocated memory is still 102.8 MB. Free memory was 71.0 MB in the beginning and 67.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:01,373 INFO L168 Benchmark]: Boogie Preprocessor took 40.52 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 65.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:01,373 INFO L168 Benchmark]: RCFGBuilder took 976.66 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 72.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:01,374 INFO L168 Benchmark]: BuchiAutomizer took 119896.89 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 72.6 MB in the beginning and 74.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:01,375 INFO L168 Benchmark]: Witness Printer took 117.85 ms. Allocated memory is still 155.2 MB. Free memory was 74.9 MB in the beginning and 72.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:39:01,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.03 ms. Allocated memory is still 102.8 MB. Free memory was 71.2 MB in the beginning and 71.0 MB in the end (delta: 174.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.35 ms. Allocated memory is still 102.8 MB. Free memory was 71.0 MB in the beginning and 67.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.52 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 65.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 976.66 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 72.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 119896.89 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 72.6 MB in the beginning and 74.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 72.1 MB. Max. memory is 16.1 GB. * Witness Printer took 117.85 ms. Allocated memory is still 155.2 MB. Free memory was 74.9 MB in the beginning and 72.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 119.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 119.3s. 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, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 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: 572]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=28334} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=28334, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f2f4753=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@137f40ad=0, NULL=28356, NULL=0, NULL=0, NULL=28335, NULL=28352, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c4be912=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@540b300f=0, methaneLevelCritical=0, NULL=28338, tmp=0, NULL=0, NULL=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4eb578a=0, tmp___1=0, NULL=28358, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@254927d4=0, NULL=0, NULL=0, NULL=28346, NULL=28345, NULL=28353, cleanupTimeShifts=4, NULL=28344, NULL=28343, NULL=28350, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=28336, \result=1, NULL=0, NULL=0, NULL=0, NULL=28357, tmp___0=0, retValue_acc=0, NULL=28354, \result=1, head=0, pumpRunning=0, NULL=28359, \result=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=28341, NULL=28362, NULL=28337, retValue_acc=1, NULL=0, NULL=28360, NULL=0, NULL=28348, tmp=1, tmp___2=68, NULL=0, retValue_acc=1, NULL=28351, NULL=28349, splverifierCounter=0, NULL=0, NULL=28339, NULL=28347, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68705047=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2af0fdaa=68, head=0, NULL=0, NULL=0, tmp=0, NULL=28342, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4005425=0, NULL=28355, NULL=28361, NULL=28340} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L432] int waterLevel = 1; [L433] int methaneLevelCritical = 0; [L633] int pumpRunning = 0; [L634] int systemActive = 1; [L853] int cleanupTimeShifts = 4; [L926] int retValue_acc ; [L927] int tmp ; [L550] int retValue_acc ; [L553] retValue_acc = 1 [L554] return (retValue_acc); [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L563] int splverifierCounter ; [L564] int tmp ; [L565] int tmp___0 ; [L566] int tmp___1 ; [L567] int tmp___2 ; [L570] splverifierCounter = 0 Loop: [L572] COND TRUE 1 [L574] COND TRUE splverifierCounter < 4 [L580] tmp = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp)) [L590] tmp___0 = __VERIFIER_nondet_int() [L592] COND FALSE !(\read(tmp___0)) [L600] tmp___2 = __VERIFIER_nondet_int() [L602] COND TRUE \read(tmp___2) [L641] COND FALSE !(\read(pumpRunning)) [L648] COND TRUE \read(systemActive) [L696] int tmp ; [L699] COND FALSE !(\read(pumpRunning)) [L670] int tmp ; [L673] COND FALSE !(\read(pumpRunning)) [L828] int tmp ; [L829] int tmp___0 ; [L503] int retValue_acc ; [L506] retValue_acc = waterLevel [L507] return (retValue_acc); [L833] tmp = getWaterLevel() [L835] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:39:01,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc06785c-9ad0-4d97-a27e-56f76a16fb50/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...