./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y --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 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:50:26,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:50:26,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:50:26,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:50:26,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:50:26,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:50:26,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:50:26,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:50:26,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:50:26,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:50:26,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:50:26,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:50:26,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:50:26,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:50:26,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:50:26,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:50:26,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:50:26,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:50:26,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:50:26,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:50:26,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:50:26,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:50:26,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:50:26,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:50:26,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:50:26,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:50:26,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:50:26,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:50:26,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:50:26,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:50:26,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:50:26,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:50:26,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:50:26,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:50:26,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:50:26,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:50:26,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:50:26,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:50:26,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:50:26,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:50:26,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:50:26,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:50:26,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:50:26,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:50:26,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:50:26,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:50:26,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:50:26,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:50:26,633 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:50:26,633 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:50:26,633 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:50:26,634 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:50:26,635 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:50:26,635 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:50:26,636 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:50:26,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:50:26,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:50:26,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:50:26,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:50:26,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:50:26,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:50:26,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:50:26,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:50:26,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:50:26,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:50:26,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:50:26,639 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:50:26,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:50:26,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:50:26,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:50:26,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:50:26,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:50:26,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:50:26,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:50:26,645 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:50:26,646 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_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad [2021-11-13 18:50:26,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:50:27,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:50:27,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:50:27,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:50:27,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:50:27,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2021-11-13 18:50:27,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/data/25d707eb2/3b84f404b58c4202a2944b4b4d524e80/FLAGceda9485e [2021-11-13 18:50:27,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:50:27,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2021-11-13 18:50:27,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/data/25d707eb2/3b84f404b58c4202a2944b4b4d524e80/FLAGceda9485e [2021-11-13 18:50:28,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/data/25d707eb2/3b84f404b58c4202a2944b4b4d524e80 [2021-11-13 18:50:28,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:50:28,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:50:28,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:50:28,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:50:28,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:50:28,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d10dd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28, skipping insertion in model container [2021-11-13 18:50:28,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:50:28,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:50:28,425 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_89663409-6031-474d-b483-3755bd6fdc23/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2021-11-13 18:50:28,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:50:28,554 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:50:28,651 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_89663409-6031-474d-b483-3755bd6fdc23/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2021-11-13 18:50:28,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:50:28,734 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:50:28,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28 WrapperNode [2021-11-13 18:50:28,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:50:28,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:50:28,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:50:28,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:50:28,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:50:28,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:50:28,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:50:28,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:50:28,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:50:28,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:50:28,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:50:28,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:50:28,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (1/1) ... [2021-11-13 18:50:28,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:50:28,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:50:29,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:50:29,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:50:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:50:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:50:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:50:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:50:30,590 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:50:30,591 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:50:30,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:50:30 BoogieIcfgContainer [2021-11-13 18:50:30,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:50:30,596 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:50:30,596 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:50:30,602 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:50:30,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:50:30,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:50:28" (1/3) ... [2021-11-13 18:50:30,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ef423d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:50:30, skipping insertion in model container [2021-11-13 18:50:30,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:50:30,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:50:28" (2/3) ... [2021-11-13 18:50:30,608 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ef423d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:50:30, skipping insertion in model container [2021-11-13 18:50:30,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:50:30,608 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:50:30" (3/3) ... [2021-11-13 18:50:30,610 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2021-11-13 18:50:30,673 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:50:30,674 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:50:30,674 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:50:30,674 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:50:30,674 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:50:30,675 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:50:30,675 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:50:30,675 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:50:30,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 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) [2021-11-13 18:50:30,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2021-11-13 18:50:30,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:50:30,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:50:30,765 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:30,766 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:30,766 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:50:30,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 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) [2021-11-13 18:50:30,777 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2021-11-13 18:50:30,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:50:30,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:50:30,779 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:30,779 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:30,785 INFO L791 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret42#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 120#L171true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 97#L164true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 138#L179true main_#t~ret42#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret42#1;havoc main_#t~ret42#1; 103#L527true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 82#L504true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 16#L388-2true [2021-11-13 18:50:30,786 INFO L793 eck$LassoCheckResult]: Loop: 16#L388-2true assume !false; 15#L389true assume test_~splverifierCounter~0#1 < 4; 101#L390true test_~tmp~3#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 126#L398true assume !(0 != test_~tmp~3#1); 25#L398-2true test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 118#L408true assume !(0 != test_~tmp___0~1#1); 87#L408-2true test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 14#L418true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 123#L426true assume 0 != test_~tmp___1~0#1; 31#L426-2true assume { :begin_inline_timeShift } true; 75#L198true assume !(0 != ~pumpRunning~0); 83#L198-2true assume !(0 != ~systemActive~0); 54#L205-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret43#1, __utac_acc__Specification4_spec__1_#t~ret44#1, __utac_acc__Specification4_spec__1_~tmp~5#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~5#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 139#L132true __utac_acc__Specification4_spec__1_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5#1 := __utac_acc__Specification4_spec__1_#t~ret43#1;havoc __utac_acc__Specification4_spec__1_#t~ret43#1; 144#L558true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5#1); 119#L558-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 150#L215true assume { :end_inline_timeShift } true; 16#L388-2true [2021-11-13 18:50:30,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:30,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-11-13 18:50:30,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:30,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168098116] [2021-11-13 18:50:30,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:30,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:31,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:50:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:31,489 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:50:31,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:31,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1422593666, now seen corresponding path program 1 times [2021-11-13 18:50:31,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:31,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433880394] [2021-11-13 18:50:31,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:31,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:31,516 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:50:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:31,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:50:31,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:31,556 INFO L85 PathProgramCache]: Analyzing trace with hash 490912062, now seen corresponding path program 1 times [2021-11-13 18:50:31,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:31,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056130423] [2021-11-13 18:50:31,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:31,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:50:31,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:50:31,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056130423] [2021-11-13 18:50:31,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056130423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:50:31,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:50:31,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:50:31,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464383538] [2021-11-13 18:50:31,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:50:31,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:50:32,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:50:32,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:50:32,013 INFO L87 Difference]: Start difference. First operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-11-13 18:50:32,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:50:32,377 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2021-11-13 18:50:32,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:50:32,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 188 transitions. [2021-11-13 18:50:32,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2021-11-13 18:50:32,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2021-11-13 18:50:32,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2021-11-13 18:50:32,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2021-11-13 18:50:32,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2021-11-13 18:50:32,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:50:32,426 INFO L681 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-11-13 18:50:32,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2021-11-13 18:50:32,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2021-11-13 18:50:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 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) [2021-11-13 18:50:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2021-11-13 18:50:32,467 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-11-13 18:50:32,467 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-11-13 18:50:32,468 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:50:32,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2021-11-13 18:50:32,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2021-11-13 18:50:32,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:50:32,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:50:32,484 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:32,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:32,485 INFO L791 eck$LassoCheckResult]: Stem: 452#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 383#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret42#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 384#L171 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 432#L164 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 433#L179 main_#t~ret42#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret42#1;havoc main_#t~ret42#1; 439#L527 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 423#L504 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 345#L388-2 [2021-11-13 18:50:32,485 INFO L793 eck$LassoCheckResult]: Loop: 345#L388-2 assume !false; 342#L389 assume test_~splverifierCounter~0#1 < 4; 343#L390 test_~tmp~3#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 437#L398 assume !(0 != test_~tmp~3#1); 357#L398-2 test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 358#L408 assume !(0 != test_~tmp___0~1#1); 322#L408-2 test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 339#L418 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 340#L426 assume 0 != test_~tmp___1~0#1; 368#L426-2 assume { :begin_inline_timeShift } true; 369#L198 assume !(0 != ~pumpRunning~0); 352#L198-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret19#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 393#L256 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret18#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1; 394#L230-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 448#L222-3 assume { :end_inline_processEnvironment__wrappee__base } true; 334#L230-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 386#L256-1 assume { :end_inline_processEnvironment } true; 396#L205-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret43#1, __utac_acc__Specification4_spec__1_#t~ret44#1, __utac_acc__Specification4_spec__1_~tmp~5#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~5#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 397#L132 __utac_acc__Specification4_spec__1_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5#1 := __utac_acc__Specification4_spec__1_#t~ret43#1;havoc __utac_acc__Specification4_spec__1_#t~ret43#1; 454#L558 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5#1); 428#L558-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 449#L215 assume { :end_inline_timeShift } true; 345#L388-2 [2021-11-13 18:50:32,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:32,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-11-13 18:50:32,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:32,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382612613] [2021-11-13 18:50:32,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:32,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:32,564 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:50:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:32,640 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:50:32,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:32,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1849145086, now seen corresponding path program 1 times [2021-11-13 18:50:32,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:32,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56079376] [2021-11-13 18:50:32,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:32,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:32,649 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:50:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:32,658 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:50:32,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash -732302394, now seen corresponding path program 1 times [2021-11-13 18:50:32,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:32,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264010840] [2021-11-13 18:50:32,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:32,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:32,714 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:50:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:50:32,821 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:51:37,954 WARN L227 SmtUtils]: Spent 1.08m on a formula simplification. DAG size of input: 491 DAG size of output: 433 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 18:52:42,646 WARN L227 SmtUtils]: Spent 32.13s on a formula simplification that was a NOOP. DAG size: 433 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 18:52:42,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:52:42 BoogieIcfgContainer [2021-11-13 18:52:42,936 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:52:42,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:52:42,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:52:42,938 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:52:42,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:50:30" (3/4) ... [2021-11-13 18:52:42,941 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-13 18:52:43,008 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:52:43,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:52:43,009 INFO L158 Benchmark]: Toolchain (without parser) took 134961.85ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 57.2MB in the beginning and 67.0MB in the end (delta: -9.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,010 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:52:43,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.81ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 61.1MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.36ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 57.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,012 INFO L158 Benchmark]: Boogie Preprocessor took 95.46ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 55.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,013 INFO L158 Benchmark]: RCFGBuilder took 1650.93ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 55.1MB in the beginning and 71.9MB in the end (delta: -16.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,014 INFO L158 Benchmark]: BuchiAutomizer took 132340.41ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 69.1MB in the end (delta: 2.7MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-11-13 18:52:43,014 INFO L158 Benchmark]: Witness Printer took 71.13ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 67.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:52:43,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.81ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 61.1MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.36ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 57.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.46ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 55.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1650.93ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 55.1MB in the beginning and 71.9MB in the end (delta: -16.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 132340.41ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 69.1MB in the end (delta: 2.7MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Witness Printer took 71.13ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 67.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * 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 132.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 131.6s. Construction of modules took 0.2s. 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, 0 StatesRemovedByMinimization, 0 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: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 297.61ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 267.45ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 183 mSDtfsCounter, 8 mSolverCounterSat, 7.96ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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: 388]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8270} State at position 1 is {splverifierCounter=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61ccdd20=0, NULL=8283, NULL=0, NULL=8270, NULL=8294, NULL=8284, NULL=8297, NULL=8278, methaneLevelCritical=0, NULL=8275, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@766c492f=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=8291, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30c6d25b=0, tmp___2=0, NULL=8290, NULL=8285, cleanupTimeShifts=4, NULL=8273, \result=0, NULL=8287, \result=1, tmp___1=56, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=8279, NULL=0, NULL=8280, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fc1c4fb=0, tmp___0=0, head=0, pumpRunning=0, NULL=8276, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@267a25b3=0, NULL=0, NULL=8293, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e26f7ae=0, NULL=0, NULL=0, NULL=8295, NULL=8286, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e7f4c3d=0, retValue_acc=1, NULL=0, NULL=8296, \result=1, NULL=0, NULL=0, NULL=8274, NULL=0, NULL=0, NULL=8298, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d639901=0, NULL=8292, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78c83b86=56, NULL=0, tmp=1, NULL=8271, NULL=8282, tmp=0, NULL=8281, tmp=0, head=0, NULL=0, NULL=0, NULL=8289, NULL=0, NULL=8272, NULL=8288, NULL=0, retValue_acc=1, NULL=8277, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 388]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L445] int cleanupTimeShifts = 4; [L745] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L518] int retValue_acc ; [L519] int tmp ; [L523] FCALL select_helpers() [L524] FCALL select_features() [L525] CALL, EXPR valid_product() [L175] int retValue_acc ; [L178] retValue_acc = 1 [L179] return (retValue_acc); [L525] RET, EXPR valid_product() [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) [L529] FCALL setup() [L530] CALL runTest() [L512] CALL test() [L379] int splverifierCounter ; [L380] int tmp ; [L381] int tmp___0 ; [L382] int tmp___1 ; [L383] int tmp___2 ; [L386] splverifierCounter = 0 Loop: [L388] COND TRUE 1 [L390] COND TRUE splverifierCounter < 4 [L396] tmp = __VERIFIER_nondet_int() [L398] COND FALSE !(\read(tmp)) [L406] tmp___0 = __VERIFIER_nondet_int() [L408] COND FALSE !(\read(tmp___0)) [L416] tmp___2 = __VERIFIER_nondet_int() [L418] COND FALSE !(\read(tmp___2)) [L424] tmp___1 = __VERIFIER_nondet_int() [L426] COND TRUE \read(tmp___1) [L433] CALL timeShift() [L198] COND FALSE !(\read(pumpRunning)) [L205] COND TRUE \read(systemActive) [L207] CALL processEnvironment() [L253] int tmp ; [L256] COND FALSE !(\read(pumpRunning)) [L271] CALL processEnvironment__wrappee__lowWaterSensor() [L227] int tmp ; [L230] COND FALSE !(\read(pumpRunning)) [L245] FCALL processEnvironment__wrappee__base() [L271] RET processEnvironment__wrappee__lowWaterSensor() [L207] RET processEnvironment() [L213] CALL __utac_acc__Specification4_spec__1() [L551] int tmp ; [L552] int tmp___0 ; [L556] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L556] RET, EXPR getWaterLevel() [L556] tmp = getWaterLevel() [L558] COND FALSE !(tmp == 0) [L213] RET __utac_acc__Specification4_spec__1() [L433] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 18:52:43,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89663409-6031-474d-b483-3755bd6fdc23/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)