./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc --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 cbc46b286e5e11c96810d470756281447eef671d85940129caf0210db421d14f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:24:37,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:24:37,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:24:37,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:24:37,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:24:37,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:24:37,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:24:37,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:24:37,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:24:37,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:24:37,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:24:37,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:24:37,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:24:37,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:24:37,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:24:37,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:24:37,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:24:37,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:24:37,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:24:37,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:24:37,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:24:37,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:24:37,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:24:37,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:24:37,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:24:37,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:24:37,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:24:37,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:24:37,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:24:37,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:24:37,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:24:37,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:24:37,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:24:37,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:24:37,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:24:37,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:24:37,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:24:37,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:24:37,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:24:37,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:24:37,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:24:37,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:24:37,990 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:24:37,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:24:37,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:24:37,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:24:37,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:24:37,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:24:37,995 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:24:37,995 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:24:37,996 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:24:37,996 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:24:37,997 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:24:37,998 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:24:37,998 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:24:37,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:24:37,999 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:24:37,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:24:37,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:24:37,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:24:38,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:24:38,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:24:38,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:24:38,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:24:38,001 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:24:38,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:24:38,002 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:24:38,002 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:24:38,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:24:38,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:24:38,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:24:38,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:24:38,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:24:38,005 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:24:38,006 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_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbc46b286e5e11c96810d470756281447eef671d85940129caf0210db421d14f [2022-11-02 20:24:38,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:24:38,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:24:38,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:24:38,482 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:24:38,483 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:24:38,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2022-11-02 20:24:38,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/data/caff91e94/8a663665b2df4125aa88a6af8e3bfff4/FLAG4a07ac57d [2022-11-02 20:24:39,266 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:24:39,267 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2022-11-02 20:24:39,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/data/caff91e94/8a663665b2df4125aa88a6af8e3bfff4/FLAG4a07ac57d [2022-11-02 20:24:39,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/data/caff91e94/8a663665b2df4125aa88a6af8e3bfff4 [2022-11-02 20:24:39,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:24:39,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:24:39,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:24:39,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:24:39,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:24:39,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:24:39" (1/1) ... [2022-11-02 20:24:39,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644cbc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:39, skipping insertion in model container [2022-11-02 20:24:39,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:24:39" (1/1) ... [2022-11-02 20:24:39,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:24:39,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:24:40,101 WARN L230 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_07a01e68-4f62-4ac8-a591-578c8dc2f9af/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c[12671,12684] [2022-11-02 20:24:40,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:24:40,159 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:24:40,285 WARN L230 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_07a01e68-4f62-4ac8-a591-578c8dc2f9af/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c[12671,12684] [2022-11-02 20:24:40,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:24:40,335 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:24:40,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40 WrapperNode [2022-11-02 20:24:40,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:24:40,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:24:40,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:24:40,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:24:40,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,435 INFO L138 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 52, calls inlined = 55, statements flattened = 420 [2022-11-02 20:24:40,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:24:40,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:24:40,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:24:40,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:24:40,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,492 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:24:40,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:24:40,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:24:40,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:24:40,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (1/1) ... [2022-11-02 20:24:40,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:24:40,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:24:40,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:24:40,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:24:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:24:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:24:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:24:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:24:40,747 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:24:40,750 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:24:41,221 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:24:41,230 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:24:41,230 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:24:41,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:24:41 BoogieIcfgContainer [2022-11-02 20:24:41,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:24:41,234 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:24:41,234 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:24:41,240 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:24:41,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:24:41,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:24:39" (1/3) ... [2022-11-02 20:24:41,242 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1db8f916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:24:41, skipping insertion in model container [2022-11-02 20:24:41,242 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:24:41,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:24:40" (2/3) ... [2022-11-02 20:24:41,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1db8f916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:24:41, skipping insertion in model container [2022-11-02 20:24:41,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:24:41,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:24:41" (3/3) ... [2022-11-02 20:24:41,245 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2022-11-02 20:24:41,313 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:24:41,313 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:24:41,313 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:24:41,313 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:24:41,313 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:24:41,314 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:24:41,314 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:24:41,314 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:24:41,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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) [2022-11-02 20:24:41,349 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-02 20:24:41,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:24:41,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:24:41,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:41,358 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:41,358 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:24:41,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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) [2022-11-02 20:24:41,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-02 20:24:41,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:24:41,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:24:41,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:41,370 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:41,377 INFO L748 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 20#L803true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 73#L796true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 62#L811true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 74#L900true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 14#L875true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 104#L920true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 63#L721-2true [2022-11-02 20:24:41,378 INFO L750 eck$LassoCheckResult]: Loop: 63#L721-2true assume !false; 55#L722true assume test_~splverifierCounter~0#1 < 4; 114#L723true test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 82#L731true assume !(0 != test_~tmp~6#1); 3#L731-2true test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 105#L741true assume !(0 != test_~tmp___0~1#1); 64#L741-2true test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 22#L751true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 28#L759true assume 0 != test_~tmp___1~0#1; 38#L759-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 39#L642true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 54#L930true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 44#L539true assume !(0 != ~pumpRunning~0); 96#L539-2true assume !(0 != ~systemActive~0); 66#L546-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~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; 111#L132true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 88#L941true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 81#L941-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 102#L556true assume { :end_inline_timeShift } true; 63#L721-2true [2022-11-02 20:24:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:41,386 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-02 20:24:41,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:41,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784218040] [2022-11-02 20:24:41,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:41,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:41,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:41,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:41,606 INFO L85 PathProgramCache]: Analyzing trace with hash -677049940, now seen corresponding path program 1 times [2022-11-02 20:24:41,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:41,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658650264] [2022-11-02 20:24:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:41,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:41,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:41,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:41,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:41,666 INFO L85 PathProgramCache]: Analyzing trace with hash 752698403, now seen corresponding path program 1 times [2022-11-02 20:24:41,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:41,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150862965] [2022-11-02 20:24:41,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:41,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:24:42,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:24:42,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150862965] [2022-11-02 20:24:42,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150862965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:24:42,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:24:42,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:24:42,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648974945] [2022-11-02 20:24:42,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:24:42,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:24:42,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:24:42,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:24:42,549 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-11-02 20:24:42,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:24:42,687 INFO L93 Difference]: Finished difference Result 110 states and 138 transitions. [2022-11-02 20:24:42,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 138 transitions. [2022-11-02 20:24:42,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-11-02 20:24:42,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 100 states and 128 transitions. [2022-11-02 20:24:42,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 100 [2022-11-02 20:24:42,708 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 100 [2022-11-02 20:24:42,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 128 transitions. [2022-11-02 20:24:42,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:24:42,710 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-11-02 20:24:42,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 128 transitions. [2022-11-02 20:24:42,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-11-02 20:24:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 100 states have (on average 1.28) internal successors, (128), 99 states have internal predecessors, (128), 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) [2022-11-02 20:24:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 128 transitions. [2022-11-02 20:24:42,748 INFO L240 hiAutomatonCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-11-02 20:24:42,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:24:42,760 INFO L428 stractBuchiCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-11-02 20:24:42,763 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:24:42,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 128 transitions. [2022-11-02 20:24:42,768 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-11-02 20:24:42,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:24:42,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:24:42,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:42,777 INFO L149 hiAutomatonCegarLoop]: 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] [2022-11-02 20:24:42,777 INFO L748 eck$LassoCheckResult]: Stem: 339#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 291#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 273#L803 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 274#L796 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 317#L811 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 318#L900 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 263#L875 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 264#L920 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 319#L721-2 [2022-11-02 20:24:42,778 INFO L750 eck$LassoCheckResult]: Loop: 319#L721-2 assume !false; 311#L722 assume test_~splverifierCounter~0#1 < 4; 312#L723 test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 332#L731 assume !(0 != test_~tmp~6#1); 241#L731-2 test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 242#L741 assume !(0 != test_~tmp___0~1#1); 250#L741-2 test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 276#L751 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 277#L706 assume { :end_inline_startSystem } true; 283#L759-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 292#L642 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 293#L930 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 297#L539 assume !(0 != ~pumpRunning~0); 269#L539-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 338#L571 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 265#L563-1 assume { :end_inline_processEnvironment__wrappee__base } true; 248#L571-1 assume { :end_inline_processEnvironment } true; 305#L546-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~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; 321#L132 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 336#L941 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 330#L941-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 331#L556 assume { :end_inline_timeShift } true; 319#L721-2 [2022-11-02 20:24:42,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:42,779 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-02 20:24:42,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:42,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705346053] [2022-11-02 20:24:42,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:42,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:42,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:42,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:42,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:42,813 INFO L85 PathProgramCache]: Analyzing trace with hash 720863312, now seen corresponding path program 1 times [2022-11-02 20:24:42,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:42,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217836155] [2022-11-02 20:24:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:42,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:42,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:42,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:42,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:42,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1163075193, now seen corresponding path program 1 times [2022-11-02 20:24:42,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:42,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341344908] [2022-11-02 20:24:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:42,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:24:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:24:43,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:24:43,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341344908] [2022-11-02 20:24:43,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341344908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:24:43,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:24:43,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:24:43,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756532643] [2022-11-02 20:24:43,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:24:43,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:24:43,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:24:43,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:24:43,270 INFO L87 Difference]: Start difference. First operand 100 states and 128 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-11-02 20:24:43,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:24:43,521 INFO L93 Difference]: Finished difference Result 280 states and 360 transitions. [2022-11-02 20:24:43,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 280 states and 360 transitions. [2022-11-02 20:24:43,527 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 173 [2022-11-02 20:24:43,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 280 states to 280 states and 360 transitions. [2022-11-02 20:24:43,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 280 [2022-11-02 20:24:43,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 280 [2022-11-02 20:24:43,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 280 states and 360 transitions. [2022-11-02 20:24:43,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:24:43,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 280 states and 360 transitions. [2022-11-02 20:24:43,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states and 360 transitions. [2022-11-02 20:24:43,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 191. [2022-11-02 20:24:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 191 states have (on average 1.2722513089005236) internal successors, (243), 190 states have internal predecessors, (243), 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) [2022-11-02 20:24:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 243 transitions. [2022-11-02 20:24:43,551 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 243 transitions. [2022-11-02 20:24:43,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:24:43,553 INFO L428 stractBuchiCegarLoop]: Abstraction has 191 states and 243 transitions. [2022-11-02 20:24:43,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:24:43,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 243 transitions. [2022-11-02 20:24:43,556 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133 [2022-11-02 20:24:43,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:24:43,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:24:43,557 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:24:43,557 INFO L149 hiAutomatonCegarLoop]: 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, 1, 1] [2022-11-02 20:24:43,558 INFO L748 eck$LassoCheckResult]: Stem: 738#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 688#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 670#L803 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 671#L796 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 714#L811 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 715#L900 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 660#L875 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 661#L920 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 716#L721-2 [2022-11-02 20:24:43,558 INFO L750 eck$LassoCheckResult]: Loop: 716#L721-2 assume !false; 708#L722 assume test_~splverifierCounter~0#1 < 4; 709#L723 test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 827#L731 assume !(0 != test_~tmp~6#1); 826#L731-2 test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 824#L741 assume !(0 != test_~tmp___0~1#1); 822#L741-2 test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 821#L751 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 819#L706 assume { :end_inline_startSystem } true; 818#L759-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 817#L642 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 815#L930 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 812#L539 assume !(0 != ~pumpRunning~0); 810#L539-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 807#L571 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 806#L563-1 assume { :end_inline_processEnvironment__wrappee__base } true; 803#L571-1 assume { :end_inline_processEnvironment } true; 718#L546-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~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; 719#L132 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 735#L941 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 726#L642-1 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 727#L945 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 728#L941-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 729#L556 assume { :end_inline_timeShift } true; 716#L721-2 [2022-11-02 20:24:43,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:43,560 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-02 20:24:43,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:43,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496500389] [2022-11-02 20:24:43,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:43,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:43,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:43,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:43,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:43,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1240809579, now seen corresponding path program 1 times [2022-11-02 20:24:43,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:43,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696308099] [2022-11-02 20:24:43,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:43,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:43,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:43,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:43,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:24:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1004664916, now seen corresponding path program 1 times [2022-11-02 20:24:43,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:24:43,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972145848] [2022-11-02 20:24:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:24:43,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:24:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:43,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:43,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:24:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:48,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:24:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:24:48,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:24:48 BoogieIcfgContainer [2022-11-02 20:24:48,869 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:24:48,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:24:48,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:24:48,870 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:24:48,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:24:41" (3/4) ... [2022-11-02 20:24:48,874 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:24:48,964 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:24:48,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:24:48,965 INFO L158 Benchmark]: Toolchain (without parser) took 9432.95ms. Allocated memory was 86.0MB in the beginning and 182.5MB in the end (delta: 96.5MB). Free memory was 51.1MB in the beginning and 127.3MB in the end (delta: -76.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-02 20:24:48,966 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:24:48,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.47ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 50.8MB in the beginning and 81.2MB in the end (delta: -30.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-11-02 20:24:48,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.33ms. Allocated memory is still 113.2MB. Free memory was 81.2MB in the beginning and 78.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:24:48,968 INFO L158 Benchmark]: Boogie Preprocessor took 88.18ms. Allocated memory is still 113.2MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:24:48,968 INFO L158 Benchmark]: RCFGBuilder took 705.75ms. Allocated memory is still 113.2MB. Free memory was 76.3MB in the beginning and 84.3MB in the end (delta: -8.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-11-02 20:24:48,969 INFO L158 Benchmark]: BuchiAutomizer took 7634.57ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 84.3MB in the beginning and 130.4MB in the end (delta: -46.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-11-02 20:24:48,969 INFO L158 Benchmark]: Witness Printer took 94.95ms. Allocated memory is still 182.5MB. Free memory was 130.4MB in the beginning and 127.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:24:48,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 799.47ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 50.8MB in the beginning and 81.2MB in the end (delta: -30.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.33ms. Allocated memory is still 113.2MB. Free memory was 81.2MB in the beginning and 78.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.18ms. Allocated memory is still 113.2MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.75ms. Allocated memory is still 113.2MB. Free memory was 76.3MB in the beginning and 84.3MB in the end (delta: -8.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 7634.57ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 84.3MB in the beginning and 130.4MB in the end (delta: -46.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Witness Printer took 94.95ms. Allocated memory is still 182.5MB. Free memory was 130.4MB in the beginning and 127.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 191 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 89 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 793 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 793 mSDsluCounter, 695 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 394 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 301 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 721]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L816] int cleanupTimeShifts = 4; [L914] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L807] int retValue_acc ; [L810] retValue_acc = 1 [L811] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L898] RET, EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L884] CALL __utac_acc__Specification5_spec__1() [L919] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L884] RET __utac_acc__Specification5_spec__1() [L885] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L753] CALL startSystem() [L705] systemActive = 1 [L753] RET startSystem() [L766] CALL timeShift() [L537] CALL __utac_acc__Specification5_spec__2() [L928] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L928] RET, EXPR isPumpRunning() [L928] switchedOnBeforeTS = isPumpRunning() [L537] RET __utac_acc__Specification5_spec__2() [L539] COND FALSE !(\read(pumpRunning)) [L546] COND TRUE \read(systemActive) [L548] CALL processEnvironment() [L568] int tmp ; [L571] COND FALSE !(\read(pumpRunning)) [L586] FCALL processEnvironment__wrappee__base() [L548] RET processEnvironment() [L554] CALL __utac_acc__Specification5_spec__3() [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L939] RET, EXPR getWaterLevel() [L939] tmp = getWaterLevel() [L941] COND TRUE tmp != 2 [L943] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L943] RET, EXPR isPumpRunning() [L943] tmp___0 = isPumpRunning() [L945] COND FALSE !(\read(tmp___0)) [L554] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L816] int cleanupTimeShifts = 4; [L914] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L807] int retValue_acc ; [L810] retValue_acc = 1 [L811] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L898] RET, EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L884] CALL __utac_acc__Specification5_spec__1() [L919] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L884] RET __utac_acc__Specification5_spec__1() [L885] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L753] CALL startSystem() [L705] systemActive = 1 [L753] RET startSystem() [L766] CALL timeShift() [L537] CALL __utac_acc__Specification5_spec__2() [L928] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L928] RET, EXPR isPumpRunning() [L928] switchedOnBeforeTS = isPumpRunning() [L537] RET __utac_acc__Specification5_spec__2() [L539] COND FALSE !(\read(pumpRunning)) [L546] COND TRUE \read(systemActive) [L548] CALL processEnvironment() [L568] int tmp ; [L571] COND FALSE !(\read(pumpRunning)) [L586] FCALL processEnvironment__wrappee__base() [L548] RET processEnvironment() [L554] CALL __utac_acc__Specification5_spec__3() [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L939] RET, EXPR getWaterLevel() [L939] tmp = getWaterLevel() [L941] COND TRUE tmp != 2 [L943] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L943] RET, EXPR isPumpRunning() [L943] tmp___0 = isPumpRunning() [L945] COND FALSE !(\read(tmp___0)) [L554] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:24:49,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a01e68-4f62-4ac8-a591-578c8dc2f9af/bin/uautomizer-Dbtcem3rbc/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)