./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8 --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 e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a --- 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-2329fc7 [2022-12-13 19:30:47,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:30:47,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:30:47,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:30:47,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:30:47,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:30:47,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:30:47,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:30:47,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:30:47,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:30:47,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:30:47,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:30:47,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:30:47,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:30:47,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:30:47,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:30:47,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:30:47,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:30:47,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:30:47,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:30:47,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:30:47,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:30:47,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:30:47,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:30:47,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:30:47,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:30:47,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:30:47,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:30:47,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:30:47,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:30:47,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:30:47,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:30:47,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:30:47,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:30:47,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:30:47,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:30:47,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:30:47,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:30:47,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:30:47,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:30:47,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:30:47,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 19:30:47,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:30:47,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:30:47,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:30:47,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:30:47,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:30:47,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:30:47,474 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:30:47,474 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 19:30:47,474 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 19:30:47,475 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 19:30:47,475 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 19:30:47,475 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 19:30:47,475 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 19:30:47,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:30:47,475 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:30:47,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:30:47,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:30:47,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:30:47,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:30:47,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 19:30:47,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 19:30:47,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 19:30:47,477 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:30:47,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:30:47,477 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 19:30:47,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:30:47,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 19:30:47,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:30:47,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:30:47,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:30:47,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:30:47,479 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 19:30:47,480 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_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a [2022-12-13 19:30:47,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:30:47,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:30:47,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:30:47,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:30:47,686 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:30:47,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2022-12-13 19:30:50,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:30:50,405 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:30:50,405 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2022-12-13 19:30:50,417 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/data/ab9636b2f/6f176d1096f146308157405500d66eed/FLAG9e15d8a80 [2022-12-13 19:30:50,431 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/data/ab9636b2f/6f176d1096f146308157405500d66eed [2022-12-13 19:30:50,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:30:50,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:30:50,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:30:50,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:30:50,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:30:50,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b94bde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50, skipping insertion in model container [2022-12-13 19:30:50,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:30:50,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:30:50,695 WARN L237 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_43f462da-d41a-4c22-917d-77ed230dc017/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[20217,20230] [2022-12-13 19:30:50,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:30:50,712 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:30:50,771 WARN L237 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_43f462da-d41a-4c22-917d-77ed230dc017/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c[20217,20230] [2022-12-13 19:30:50,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:30:50,790 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:30:50,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50 WrapperNode [2022-12-13 19:30:50,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:30:50,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:30:50,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:30:50,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:30:50,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,867 INFO L138 Inliner]: procedures = 63, calls = 121, calls flagged for inlining = 74, calls inlined = 449, statements flattened = 2677 [2022-12-13 19:30:50,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:30:50,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:30:50,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:30:50,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:30:50,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:30:50,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:30:50,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:30:50,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:30:50,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (1/1) ... [2022-12-13 19:30:50,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:30:50,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:30:50,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:30:50,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 19:30:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:30:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:30:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:30:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:30:51,111 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:30:51,113 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:30:51,943 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:30:51,958 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:30:51,958 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 19:30:51,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:30:51 BoogieIcfgContainer [2022-12-13 19:30:51,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:30:51,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 19:30:51,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 19:30:51,964 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 19:30:51,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:30:51,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 07:30:50" (1/3) ... [2022-12-13 19:30:51,965 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@294a164e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:30:51, skipping insertion in model container [2022-12-13 19:30:51,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:30:51,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:30:50" (2/3) ... [2022-12-13 19:30:51,966 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@294a164e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:30:51, skipping insertion in model container [2022-12-13 19:30:51,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:30:51,966 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:30:51" (3/3) ... [2022-12-13 19:30:51,967 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2022-12-13 19:30:52,023 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 19:30:52,023 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 19:30:52,024 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 19:30:52,024 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 19:30:52,024 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 19:30:52,024 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 19:30:52,024 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 19:30:52,024 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 19:30:52,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 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) [2022-12-13 19:30:52,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 505 [2022-12-13 19:30:52,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:30:52,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:30:52,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:52,085 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:52,085 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 19:30:52,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 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) [2022-12-13 19:30:52,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 505 [2022-12-13 19:30:52,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:30:52,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:30:52,103 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:52,103 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:52,109 INFO L748 eck$LassoCheckResult]: Stem: 231#$Ultimate##0true 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(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 633#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret60#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 421#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret47#1, select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 262#select_one_returnLabel#1true select_features_#t~ret47#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret47#1;havoc select_features_#t~ret47#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 691#select_one_returnLabel#2true select_features_#t~ret48#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 199#select_one_returnLabel#3true select_features_#t~ret49#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 165#select_one_returnLabel#4true select_features_#t~ret50#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 202#select_one_returnLabel#5true select_features_#t~ret51#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 219#select_one_returnLabel#6true select_features_#t~ret52#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1; 730#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 128#valid_product_returnLabel#1true main_#t~ret60#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret60#1;havoc main_#t~ret60#1; 23#L1118true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 485#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 545#L74-2true [2022-12-13 19:30:52,109 INFO L750 eck$LassoCheckResult]: Loop: 545#L74-2true assume !false; 669#L75true assume test_~splverifierCounter~0#1 < 4; 481#L76true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 563#L84true assume !(0 != test_~tmp~0#1); 34#L84-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 164#L94true assume !(0 != test_~tmp___0~0#1); 149#L94-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 406#L104true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 229#L116true assume !(0 != test_~tmp___1~0#1); 716#L116-1true assume { :begin_inline_timeShift } true; 213#L158true assume !(0 != ~pumpRunning~0); 211#L158-2true assume !(0 != ~systemActive~0); 402#L165-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~10#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~10#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 438#isMethaneLevelCritical_returnLabel#11true __utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~10#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1; 565#L905true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10#1); 478#L905-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 274#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 545#L74-2true [2022-12-13 19:30:52,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2022-12-13 19:30:52,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:30:52,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21972194] [2022-12-13 19:30:52,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:52,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:30:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:52,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:30:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:52,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:30:52,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:52,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1278766015, now seen corresponding path program 1 times [2022-12-13 19:30:52,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:30:52,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603191666] [2022-12-13 19:30:52,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:52,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:30:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:52,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:30:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:52,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:30:52,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:52,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1716584905, now seen corresponding path program 1 times [2022-12-13 19:30:52,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:30:52,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566524703] [2022-12-13 19:30:52,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:30:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:30:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:30:52,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:30:52,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566524703] [2022-12-13 19:30:52,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566524703] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:30:52,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:30:52,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:30:52,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456525277] [2022-12-13 19:30:52,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:30:52,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:30:52,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:30:52,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:30:52,582 INFO L87 Difference]: Start difference. First operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 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 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 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) [2022-12-13 19:30:52,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:30:52,837 INFO L93 Difference]: Finished difference Result 2327 states and 3108 transitions. [2022-12-13 19:30:52,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2327 states and 3108 transitions. [2022-12-13 19:30:52,854 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1542 [2022-12-13 19:30:52,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2327 states to 2287 states and 3068 transitions. [2022-12-13 19:30:52,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2287 [2022-12-13 19:30:52,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2287 [2022-12-13 19:30:52,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2287 states and 3068 transitions. [2022-12-13 19:30:52,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:30:52,878 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2287 states and 3068 transitions. [2022-12-13 19:30:52,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states and 3068 transitions. [2022-12-13 19:30:52,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 807. [2022-12-13 19:30:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 807 states have (on average 1.339529120198265) internal successors, (1081), 806 states have internal predecessors, (1081), 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) [2022-12-13 19:30:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1081 transitions. [2022-12-13 19:30:52,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 807 states and 1081 transitions. [2022-12-13 19:30:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:30:52,944 INFO L428 stractBuchiCegarLoop]: Abstraction has 807 states and 1081 transitions. [2022-12-13 19:30:52,945 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 19:30:52,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1081 transitions. [2022-12-13 19:30:52,949 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 543 [2022-12-13 19:30:52,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:30:52,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:30:52,950 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:30:52,951 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] [2022-12-13 19:30:52,951 INFO L748 eck$LassoCheckResult]: Stem: 3510#$Ultimate##0 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(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 3511#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret60#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3733#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret47#1, select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3556#select_one_returnLabel#1 select_features_#t~ret47#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret47#1;havoc select_features_#t~ret47#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3557#select_one_returnLabel#2 select_features_#t~ret48#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3465#select_one_returnLabel#3 select_features_#t~ret49#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3417#select_one_returnLabel#4 select_features_#t~ret50#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3418#select_one_returnLabel#5 select_features_#t~ret51#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3470#select_one_returnLabel#6 select_features_#t~ret52#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1; 3493#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 3355#valid_product_returnLabel#1 main_#t~ret60#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret60#1;havoc main_#t~ret60#1; 3159#L1118 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 3160#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3570#L74-2 [2022-12-13 19:30:52,951 INFO L750 eck$LassoCheckResult]: Loop: 3570#L74-2 assume !false; 3812#L75 assume test_~splverifierCounter~0#1 < 4; 3780#L76 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 3781#L84 assume !(0 != test_~tmp~0#1); 3181#L84-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 3182#L94 assume !(0 != test_~tmp___0~0#1); 3390#L94-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 3391#L104 assume 0 != test_~tmp___2~0#1; 3715#L105 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 3125#L116-1 assume { :begin_inline_timeShift } true; 3485#L158 assume !(0 != ~pumpRunning~0); 3481#L158-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3482#L301 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3801#L258-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3716#L215-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3717#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3428#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3225#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3725#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 3710#L165-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~10#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~10#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 3711#isMethaneLevelCritical_returnLabel#11 __utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~10#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1; 3747#L905 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10#1); 3769#L905-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 3569#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3570#L74-2 [2022-12-13 19:30:52,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:52,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2022-12-13 19:30:52,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:30:52,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579384186] [2022-12-13 19:30:52,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:52,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:30:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:52,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:30:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:52,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:30:52,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:52,976 INFO L85 PathProgramCache]: Analyzing trace with hash 535114848, now seen corresponding path program 1 times [2022-12-13 19:30:52,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:30:52,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26705971] [2022-12-13 19:30:52,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:52,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:30:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:52,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:30:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:52,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:30:52,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:30:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1172752810, now seen corresponding path program 1 times [2022-12-13 19:30:52,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:30:52,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489412401] [2022-12-13 19:30:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:30:52,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:30:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:53,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:30:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:53,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:30:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:54,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:30:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:30:54,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 07:30:54 BoogieIcfgContainer [2022-12-13 19:30:54,081 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 19:30:54,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:30:54,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:30:54,082 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:30:54,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:30:51" (3/4) ... [2022-12-13 19:30:54,085 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 19:30:54,134 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:30:54,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:30:54,135 INFO L158 Benchmark]: Toolchain (without parser) took 3701.70ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 81.5MB in the beginning and 101.0MB in the end (delta: -19.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2022-12-13 19:30:54,135 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:30:54,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.33ms. Allocated memory is still 111.1MB. Free memory was 81.5MB in the beginning and 61.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:30:54,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.04ms. Allocated memory is still 111.1MB. Free memory was 61.6MB in the beginning and 52.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 19:30:54,136 INFO L158 Benchmark]: Boogie Preprocessor took 90.65ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 52.7MB in the beginning and 102.3MB in the end (delta: -49.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-12-13 19:30:54,137 INFO L158 Benchmark]: RCFGBuilder took 1001.50ms. Allocated memory is still 134.2MB. Free memory was 102.3MB in the beginning and 71.5MB in the end (delta: 30.8MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-12-13 19:30:54,137 INFO L158 Benchmark]: BuchiAutomizer took 2119.79ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 71.5MB in the beginning and 104.2MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:30:54,137 INFO L158 Benchmark]: Witness Printer took 53.26ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 101.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:30:54,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.33ms. Allocated memory is still 111.1MB. Free memory was 81.5MB in the beginning and 61.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.04ms. Allocated memory is still 111.1MB. Free memory was 61.6MB in the beginning and 52.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.65ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 52.7MB in the beginning and 102.3MB in the end (delta: -49.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1001.50ms. Allocated memory is still 134.2MB. Free memory was 102.3MB in the beginning and 71.5MB in the end (delta: 30.8MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2119.79ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 71.5MB in the beginning and 104.2MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.26ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 101.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 7 locations. The remainder module has 807 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 1480 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, 6006 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6006 mSDsluCounter, 8405 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7383 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 1022 mSDtfsCounter, 70 mSolverCounterSat, 0.0s 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 74]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L150] int pumpRunning = 0; [L151] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L924] int waterLevel = 1; [L925] int methaneLevelCritical = 0; [L1036] int cleanupTimeShifts = 4; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1109] int retValue_acc ; [L1110] int tmp ; [L1114] CALL select_helpers() [L882] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1114] RET select_helpers() [L1115] CALL select_features() [L867] __SELECTED_FEATURE_base = 1 [L868] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L868] RET, EXPR select_one() [L868] __SELECTED_FEATURE_highWaterSensor = select_one() [L869] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L869] RET, EXPR select_one() [L869] __SELECTED_FEATURE_lowWaterSensor = select_one() [L870] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=17, systemActive=1, waterLevel=1] [L870] RET, EXPR select_one() [L870] __SELECTED_FEATURE_methaneQuery = select_one() [L871] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L871] RET, EXPR select_one() [L871] __SELECTED_FEATURE_methaneAlarm = select_one() [L872] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=18, systemActive=1, waterLevel=1] [L872] RET, EXPR select_one() [L872] __SELECTED_FEATURE_stopCommand = select_one() [L873] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L873] RET, EXPR select_one() [L873] __SELECTED_FEATURE_startCommand = select_one() [L1115] RET select_features() [L1116] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = __SELECTED_FEATURE_base [L891] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L1116] RET, EXPR valid_product() [L1116] tmp = valid_product() [L1118] COND TRUE \read(tmp) [L1120] FCALL setup() [L1121] CALL runTest() [L1103] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L105] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L129] CALL timeShift() [L158] COND FALSE !(\read(pumpRunning)) [L165] COND TRUE \read(systemActive) [L167] CALL processEnvironment() [L301] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L308] CALL processEnvironment__before__methaneAlarm() [L258] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L265] CALL processEnvironment__before__lowWaterSensor() [L215] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L222] FCALL processEnvironment__before__highWaterSensor() [L265] RET processEnvironment__before__lowWaterSensor() [L308] RET processEnvironment__before__methaneAlarm() [L167] RET processEnvironment() [L173] CALL __utac_acc__Specification1_spec__1() [L898] int tmp ; [L899] int tmp___0 ; [L903] CALL, EXPR isMethaneLevelCritical() [L963] int retValue_acc ; [L966] retValue_acc = methaneLevelCritical [L967] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L173] RET __utac_acc__Specification1_spec__1() [L129] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 74]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L150] int pumpRunning = 0; [L151] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L924] int waterLevel = 1; [L925] int methaneLevelCritical = 0; [L1036] int cleanupTimeShifts = 4; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1109] int retValue_acc ; [L1110] int tmp ; [L1114] CALL select_helpers() [L882] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1114] RET select_helpers() [L1115] CALL select_features() [L867] __SELECTED_FEATURE_base = 1 [L868] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L868] RET, EXPR select_one() [L868] __SELECTED_FEATURE_highWaterSensor = select_one() [L869] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L869] RET, EXPR select_one() [L869] __SELECTED_FEATURE_lowWaterSensor = select_one() [L870] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=17, systemActive=1, waterLevel=1] [L870] RET, EXPR select_one() [L870] __SELECTED_FEATURE_methaneQuery = select_one() [L871] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L871] RET, EXPR select_one() [L871] __SELECTED_FEATURE_methaneAlarm = select_one() [L872] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=18, systemActive=1, waterLevel=1] [L872] RET, EXPR select_one() [L872] __SELECTED_FEATURE_stopCommand = select_one() [L873] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L873] RET, EXPR select_one() [L873] __SELECTED_FEATURE_startCommand = select_one() [L1115] RET select_features() [L1116] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = __SELECTED_FEATURE_base [L891] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L1116] RET, EXPR valid_product() [L1116] tmp = valid_product() [L1118] COND TRUE \read(tmp) [L1120] FCALL setup() [L1121] CALL runTest() [L1103] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L105] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L129] CALL timeShift() [L158] COND FALSE !(\read(pumpRunning)) [L165] COND TRUE \read(systemActive) [L167] CALL processEnvironment() [L301] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L308] CALL processEnvironment__before__methaneAlarm() [L258] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L265] CALL processEnvironment__before__lowWaterSensor() [L215] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L222] FCALL processEnvironment__before__highWaterSensor() [L265] RET processEnvironment__before__lowWaterSensor() [L308] RET processEnvironment__before__methaneAlarm() [L167] RET processEnvironment() [L173] CALL __utac_acc__Specification1_spec__1() [L898] int tmp ; [L899] int tmp___0 ; [L903] CALL, EXPR isMethaneLevelCritical() [L963] int retValue_acc ; [L966] retValue_acc = methaneLevelCritical [L967] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L173] RET __utac_acc__Specification1_spec__1() [L129] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 19:30:54,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f462da-d41a-4c22-917d-77ed230dc017/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)