./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_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_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/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_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/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_35393eb2-90d9-45af-aa41-fa59a13a0985/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 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a --- 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 12:38:50,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:38:50,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:38:50,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:38:50,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:38:50,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:38:50,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:38:50,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:38:50,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:38:50,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:38:50,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:38:50,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:38:50,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:38:50,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:38:50,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:38:50,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:38:50,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:38:50,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:38:50,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:38:50,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:38:50,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:38:50,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:38:50,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:38:50,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:38:50,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:38:50,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:38:50,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:38:50,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:38:50,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:38:50,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:38:50,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:38:50,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:38:50,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:38:50,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:38:50,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:38:50,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:38:50,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:38:50,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:38:50,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:38:50,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:38:50,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:38:50,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 12:38:50,993 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:38:50,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:38:50,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:38:50,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:38:50,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:38:50,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:38:50,995 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:38:50,995 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 12:38:50,995 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 12:38:50,995 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 12:38:50,995 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 12:38:50,996 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 12:38:50,996 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 12:38:50,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:38:50,996 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:38:50,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:38:50,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:38:50,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:38:50,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:38:50,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 12:38:50,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 12:38:50,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 12:38:50,997 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:38:50,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:38:50,997 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 12:38:50,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:38:50,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 12:38:50,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:38:50,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:38:50,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:38:50,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:38:50,999 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 12:38:50,999 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_35393eb2-90d9-45af-aa41-fa59a13a0985/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a [2022-12-13 12:38:51,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:38:51,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:38:51,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:38:51,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:38:51,194 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:38:51,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2022-12-13 12:38:53,851 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:38:54,022 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:38:54,023 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2022-12-13 12:38:54,030 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/data/bf9c5ea83/7af8843a17a640c6b3916814f6997b12/FLAGa29603447 [2022-12-13 12:38:54,041 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/data/bf9c5ea83/7af8843a17a640c6b3916814f6997b12 [2022-12-13 12:38:54,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:38:54,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:38:54,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:38:54,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:38:54,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:38:54,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603fc49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54, skipping insertion in model container [2022-12-13 12:38:54,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:38:54,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:38:54,248 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_35393eb2-90d9-45af-aa41-fa59a13a0985/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c[5724,5737] [2022-12-13 12:38:54,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:38:54,308 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:38:54,324 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_35393eb2-90d9-45af-aa41-fa59a13a0985/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c[5724,5737] [2022-12-13 12:38:54,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:38:54,365 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:38:54,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54 WrapperNode [2022-12-13 12:38:54,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:38:54,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:38:54,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:38:54,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:38:54,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,426 INFO L138 Inliner]: procedures = 65, calls = 124, calls flagged for inlining = 77, calls inlined = 456, statements flattened = 2717 [2022-12-13 12:38:54,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:38:54,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:38:54,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:38:54,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:38:54,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:38:54,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:38:54,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:38:54,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:38:54,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (1/1) ... [2022-12-13 12:38:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:38:54,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:38:54,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:38:54,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 12:38:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:38:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:38:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:38:54,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:38:54,610 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:38:54,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:38:55,439 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:38:55,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:38:55,452 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 12:38:55,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:38:55 BoogieIcfgContainer [2022-12-13 12:38:55,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:38:55,456 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 12:38:55,456 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 12:38:55,460 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 12:38:55,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:38:55,461 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 12:38:54" (1/3) ... [2022-12-13 12:38:55,461 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fcafbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:38:55, skipping insertion in model container [2022-12-13 12:38:55,461 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:38:55,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:38:54" (2/3) ... [2022-12-13 12:38:55,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fcafbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:38:55, skipping insertion in model container [2022-12-13 12:38:55,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:38:55,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:38:55" (3/3) ... [2022-12-13 12:38:55,464 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2022-12-13 12:38:55,511 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 12:38:55,511 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 12:38:55,511 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 12:38:55,511 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 12:38:55,511 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 12:38:55,511 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 12:38:55,511 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 12:38:55,512 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 12:38:55,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 776 states, 775 states have (on average 1.3458064516129031) internal successors, (1043), 775 states have internal predecessors, (1043), 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 12:38:55,547 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2022-12-13 12:38:55,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:38:55,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:38:55,553 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:38:55,553 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] [2022-12-13 12:38:55,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 12:38:55,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 776 states, 775 states have (on average 1.3458064516129031) internal successors, (1043), 775 states have internal predecessors, (1043), 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 12:38:55,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2022-12-13 12:38:55,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:38:55,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:38:55,564 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:38:55,564 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] [2022-12-13 12:38:55,568 INFO L748 eck$LassoCheckResult]: Stem: 126#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 713#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 600#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 144#select_one_returnLabel#1true select_features_#t~ret11#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 738#select_one_returnLabel#2true select_features_#t~ret12#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 496#select_one_returnLabel#3true select_features_#t~ret13#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 84#select_one_returnLabel#4true select_features_#t~ret14#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 499#select_one_returnLabel#5true select_features_#t~ret15#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 118#select_one_returnLabel#6true select_features_#t~ret16#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1; 368#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 459#valid_product_returnLabel#1true main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 732#L259true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 261#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 200#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 88#L705-2true [2022-12-13 12:38:55,568 INFO L750 eck$LassoCheckResult]: Loop: 88#L705-2true assume !false; 761#L706true assume test_~splverifierCounter~0#1 < 4; 351#L707true test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 596#L715true assume !(0 != test_~tmp~4#1); 684#L715-2true test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 398#L725true assume !(0 != test_~tmp___0~0#1); 400#L725-2true test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 387#L735true assume 0 != test_~tmp___2~0#1; 130#L736true assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 241#L747-1true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 573#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1; 741#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 201#L787true assume !(0 != ~pumpRunning~0); 355#L787-2true assume !(0 != ~systemActive~0); 424#L794-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 727#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1; 102#L1138true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11#1); 701#L1138-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 534#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 88#L705-2true [2022-12-13 12:38:55,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:55,573 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2022-12-13 12:38:55,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:55,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115786623] [2022-12-13 12:38:55,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:55,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:55,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:38:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:55,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:38:55,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:55,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1559468188, now seen corresponding path program 1 times [2022-12-13 12:38:55,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:55,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069192684] [2022-12-13 12:38:55,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:55,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:55,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:38:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:55,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:38:55,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:55,728 INFO L85 PathProgramCache]: Analyzing trace with hash 484449805, now seen corresponding path program 1 times [2022-12-13 12:38:55,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:55,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867694140] [2022-12-13 12:38:55,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:55,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:38:55,938 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 12:38:55,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:38:55,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867694140] [2022-12-13 12:38:55,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867694140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:38:55,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:38:55,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:38:55,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800467421] [2022-12-13 12:38:55,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:38:56,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:38:56,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:38:56,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:38:56,094 INFO L87 Difference]: Start difference. First operand has 776 states, 775 states have (on average 1.3458064516129031) internal successors, (1043), 775 states have internal predecessors, (1043), 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 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 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 12:38:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:38:56,311 INFO L93 Difference]: Finished difference Result 2364 states and 3157 transitions. [2022-12-13 12:38:56,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2364 states and 3157 transitions. [2022-12-13 12:38:56,324 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1566 [2022-12-13 12:38:56,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2364 states to 2324 states and 3117 transitions. [2022-12-13 12:38:56,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2324 [2022-12-13 12:38:56,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2324 [2022-12-13 12:38:56,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2324 states and 3117 transitions. [2022-12-13 12:38:56,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:38:56,345 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2324 states and 3117 transitions. [2022-12-13 12:38:56,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states and 3117 transitions. [2022-12-13 12:38:56,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 826. [2022-12-13 12:38:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 826 states have (on average 1.3389830508474576) internal successors, (1106), 825 states have internal predecessors, (1106), 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 12:38:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1106 transitions. [2022-12-13 12:38:56,406 INFO L240 hiAutomatonCegarLoop]: Abstraction has 826 states and 1106 transitions. [2022-12-13 12:38:56,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:38:56,410 INFO L428 stractBuchiCegarLoop]: Abstraction has 826 states and 1106 transitions. [2022-12-13 12:38:56,410 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 12:38:56,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 826 states and 1106 transitions. [2022-12-13 12:38:56,413 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 555 [2022-12-13 12:38:56,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:38:56,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:38:56,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:38:56,414 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, 1, 1] [2022-12-13 12:38:56,414 INFO L748 eck$LassoCheckResult]: Stem: 3600#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 3601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3790#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 3639#select_one_returnLabel#1 select_features_#t~ret11#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 3640#select_one_returnLabel#2 select_features_#t~ret12#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 3555#select_one_returnLabel#3 select_features_#t~ret13#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 3482#select_one_returnLabel#4 select_features_#t~ret14#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 3483#select_one_returnLabel#5 select_features_#t~ret15#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 3559#select_one_returnLabel#6 select_features_#t~ret16#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1; 3581#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 3417#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 3418#L259 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 3840#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3743#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3491#L705-2 [2022-12-13 12:38:56,415 INFO L750 eck$LassoCheckResult]: Loop: 3491#L705-2 assume !false; 3492#L706 assume test_~splverifierCounter~0#1 < 4; 3919#L707 test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 3775#L715 assume !(0 != test_~tmp~4#1); 3243#L715-2 test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 3185#L725 assume !(0 != test_~tmp___0~0#1); 3186#L725-2 test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 3209#L735 assume 0 != test_~tmp___2~0#1; 3614#L736 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 3276#L747-1 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 3732#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1; 3733#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3744#L787 assume !(0 != ~pumpRunning~0); 3745#L787-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3827#L930 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3257#L887-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3259#L844-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3769#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3507#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3448#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3788#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 3321#L794-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 3322#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1; 3531#L1138 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11#1); 3404#L1138-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3654#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3491#L705-2 [2022-12-13 12:38:56,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:56,415 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2022-12-13 12:38:56,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:56,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766311618] [2022-12-13 12:38:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:56,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:56,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:38:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:56,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:38:56,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1379441032, now seen corresponding path program 1 times [2022-12-13 12:38:56,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:56,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773502898] [2022-12-13 12:38:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:56,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:38:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:56,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:38:56,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:56,441 INFO L85 PathProgramCache]: Analyzing trace with hash -410959113, now seen corresponding path program 1 times [2022-12-13 12:38:56,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:56,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285624638] [2022-12-13 12:38:56,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:56,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:38:56,531 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 12:38:56,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:38:56,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285624638] [2022-12-13 12:38:56,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285624638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:38:56,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:38:56,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:38:56,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458741035] [2022-12-13 12:38:56,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:38:56,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:38:56,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:38:56,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:38:56,645 INFO L87 Difference]: Start difference. First operand 826 states and 1106 transitions. cyclomatic complexity: 283 Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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 12:38:57,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:38:57,156 INFO L93 Difference]: Finished difference Result 4587 states and 6153 transitions. [2022-12-13 12:38:57,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4587 states and 6153 transitions. [2022-12-13 12:38:57,189 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3078 [2022-12-13 12:38:57,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4587 states to 4587 states and 6153 transitions. [2022-12-13 12:38:57,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4587 [2022-12-13 12:38:57,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4587 [2022-12-13 12:38:57,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4587 states and 6153 transitions. [2022-12-13 12:38:57,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:38:57,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4587 states and 6153 transitions. [2022-12-13 12:38:57,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4587 states and 6153 transitions. [2022-12-13 12:38:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4587 to 1632. [2022-12-13 12:38:57,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1632 states have (on average 1.3357843137254901) internal successors, (2180), 1631 states have internal predecessors, (2180), 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 12:38:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2180 transitions. [2022-12-13 12:38:57,270 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1632 states and 2180 transitions. [2022-12-13 12:38:57,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:38:57,272 INFO L428 stractBuchiCegarLoop]: Abstraction has 1632 states and 2180 transitions. [2022-12-13 12:38:57,272 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 12:38:57,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1632 states and 2180 transitions. [2022-12-13 12:38:57,280 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1106 [2022-12-13 12:38:57,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:38:57,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:38:57,281 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:38:57,282 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, 1, 1, 1, 1] [2022-12-13 12:38:57,282 INFO L748 eck$LassoCheckResult]: Stem: 9037#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 9038#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 9237#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret11#1, select_features_#t~ret12#1, select_features_#t~ret13#1, select_features_#t~ret14#1, select_features_#t~ret15#1, select_features_#t~ret16#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 9076#select_one_returnLabel#1 select_features_#t~ret11#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret11#1;havoc select_features_#t~ret11#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 9077#select_one_returnLabel#2 select_features_#t~ret12#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret12#1;havoc select_features_#t~ret12#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 8990#select_one_returnLabel#3 select_features_#t~ret13#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret13#1;havoc select_features_#t~ret13#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 8915#select_one_returnLabel#4 select_features_#t~ret14#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret14#1;havoc select_features_#t~ret14#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 8916#select_one_returnLabel#5 select_features_#t~ret15#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret15#1;havoc select_features_#t~ret15#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~5#1;select_one_~choice~0#1 := select_one_#t~nondet10#1;havoc select_one_#t~nondet10#1;select_one_~retValue_acc~5#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~5#1; 8994#select_one_returnLabel#6 select_features_#t~ret16#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1; 9016#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 8849#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 8850#L259 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 9293#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 9183#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 9184#L705-2 [2022-12-13 12:38:57,282 INFO L750 eck$LassoCheckResult]: Loop: 9184#L705-2 assume !false; 9530#L706 assume test_~splverifierCounter~0#1 < 4; 9529#L707 test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 9517#L715 assume !(0 != test_~tmp~4#1); 9514#L715-2 test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 9511#L725 assume !(0 != test_~tmp___0~0#1); 9507#L725-2 test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 9503#L735 assume 0 != test_~tmp___2~0#1; 9504#L736 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 9499#L747-1 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 9747#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret59#1;havoc __utac_acc__Specification5_spec__2_#t~ret59#1; 9746#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 9745#L787 assume !(0 != ~pumpRunning~0); 9743#L787-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 9491#L930 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 9740#L887-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 9744#L844-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 9721#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 9589#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 9581#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 9548#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 9543#L794-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret60#1, __utac_acc__Specification5_spec__3_#t~ret61#1, __utac_acc__Specification5_spec__3_~tmp~11#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~11#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#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; 9377#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~11#1 := __utac_acc__Specification5_spec__3_#t~ret60#1;havoc __utac_acc__Specification5_spec__3_#t~ret60#1; 9378#L1138 assume 2 != __utac_acc__Specification5_spec__3_~tmp~11#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#1;havoc isPumpRunning_~retValue_acc~11#1;isPumpRunning_~retValue_acc~11#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; 9379#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret61#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret61#1;havoc __utac_acc__Specification5_spec__3_#t~ret61#1; 9380#L1142 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 9541#L1138-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 9540#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 9184#L705-2 [2022-12-13 12:38:57,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:57,283 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 3 times [2022-12-13 12:38:57,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:57,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916708795] [2022-12-13 12:38:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:57,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:57,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:38:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:57,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:38:57,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:57,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1521138045, now seen corresponding path program 1 times [2022-12-13 12:38:57,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:57,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267173699] [2022-12-13 12:38:57,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:57,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:57,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:38:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:57,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:38:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:38:57,312 INFO L85 PathProgramCache]: Analyzing trace with hash 186208306, now seen corresponding path program 1 times [2022-12-13 12:38:57,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:38:57,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726786515] [2022-12-13 12:38:57,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:38:57,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:38:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:57,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:38:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:57,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:38:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:58,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:38:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:38:58,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 12:38:58 BoogieIcfgContainer [2022-12-13 12:38:58,423 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 12:38:58,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:38:58,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:38:58,424 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:38:58,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:38:55" (3/4) ... [2022-12-13 12:38:58,427 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 12:38:58,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:38:58,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:38:58,483 INFO L158 Benchmark]: Toolchain (without parser) took 4439.43ms. Allocated memory was 153.1MB in the beginning and 234.9MB in the end (delta: 81.8MB). Free memory was 116.5MB in the beginning and 109.7MB in the end (delta: 6.8MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2022-12-13 12:38:58,483 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 121.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:38:58,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.88ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 96.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 12:38:58,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.23ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 87.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:38:58,484 INFO L158 Benchmark]: Boogie Preprocessor took 52.22ms. Allocated memory is still 153.1MB. Free memory was 87.1MB in the beginning and 80.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:38:58,484 INFO L158 Benchmark]: RCFGBuilder took 975.25ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 80.1MB in the beginning and 111.1MB in the end (delta: -31.0MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-12-13 12:38:58,485 INFO L158 Benchmark]: BuchiAutomizer took 2967.14ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 111.1MB in the beginning and 113.9MB in the end (delta: -2.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2022-12-13 12:38:58,485 INFO L158 Benchmark]: Witness Printer took 58.68ms. Allocated memory is still 234.9MB. Free memory was 113.9MB in the beginning and 109.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:38:58,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 121.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.88ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 96.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.23ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 87.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.22ms. Allocated memory is still 153.1MB. Free memory was 87.1MB in the beginning and 80.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 975.25ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 80.1MB in the beginning and 111.1MB in the end (delta: -31.0MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2967.14ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 111.1MB in the beginning and 113.9MB in the end (delta: -2.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Witness Printer took 58.68ms. Allocated memory is still 234.9MB. Free memory was 113.9MB in the beginning and 109.7MB in the end (delta: 4.2MB). 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 7 locations. The remainder module has 1632 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.3s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4453 StatesRemovedByMinimization, 2 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, 13232 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13232 mSDsluCounter, 16060 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13131 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 520 IncrementalHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 2929 mSDtfsCounter, 520 mSolverCounterSat, 0.1s 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: 705]: 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 ; [L66] int waterLevel = 1; [L67] int methaneLevelCritical = 0; [L169] int cleanupTimeShifts = 4; [L496] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L1111] int switchedOnBeforeTS ; 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L250] int retValue_acc ; [L251] int tmp ; [L255] CALL select_helpers() [L304] __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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L255] RET select_helpers() [L256] CALL select_features() [L289] __SELECTED_FEATURE_base = 1 [L290] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L290] RET, EXPR select_one() [L290] __SELECTED_FEATURE_highWaterSensor = select_one() [L291] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L291] RET, EXPR select_one() [L291] __SELECTED_FEATURE_lowWaterSensor = select_one() [L292] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L292] RET, EXPR select_one() [L292] __SELECTED_FEATURE_methaneQuery = select_one() [L293] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L293] RET, EXPR select_one() [L293] __SELECTED_FEATURE_methaneAlarm = select_one() [L294] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L294] RET, EXPR select_one() [L294] __SELECTED_FEATURE_stopCommand = select_one() [L295] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L295] RET, EXPR select_one() [L295] __SELECTED_FEATURE_startCommand = select_one() [L256] RET select_features() [L257] CALL, EXPR valid_product() [L309] int retValue_acc ; [L312] retValue_acc = __SELECTED_FEATURE_base [L313] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L240] CALL __utac_acc__Specification5_spec__1() [L1116] switchedOnBeforeTS = 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L240] RET __utac_acc__Specification5_spec__1() [L241] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L705] COND TRUE 1 [L707] COND TRUE splverifierCounter < 4 [L713] tmp = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp)) [L723] tmp___0 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___0)) [L733] tmp___2 = __VERIFIER_nondet_int() [L735] COND TRUE \read(tmp___2) [L736] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L760] CALL timeShift() [L785] CALL __utac_acc__Specification5_spec__2() [L1125] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1125] RET, EXPR isPumpRunning() [L1125] switchedOnBeforeTS = isPumpRunning() [L785] RET __utac_acc__Specification5_spec__2() [L787] COND FALSE !(\read(pumpRunning)) [L794] COND TRUE \read(systemActive) [L796] CALL processEnvironment() [L930] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L937] CALL processEnvironment__before__methaneAlarm() [L887] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L894] CALL processEnvironment__before__lowWaterSensor() [L844] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L851] FCALL processEnvironment__before__highWaterSensor() [L894] RET processEnvironment__before__lowWaterSensor() [L937] RET processEnvironment__before__methaneAlarm() [L796] RET processEnvironment() [L802] CALL __utac_acc__Specification5_spec__3() [L1131] int tmp ; [L1132] int tmp___0 ; [L1136] CALL, EXPR getWaterLevel() [L137] int retValue_acc ; [L140] retValue_acc = waterLevel [L141] return (retValue_acc); [L1136] RET, EXPR getWaterLevel() [L1136] tmp = getWaterLevel() [L1138] COND TRUE tmp != 2 [L1140] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1140] RET, EXPR isPumpRunning() [L1140] tmp___0 = isPumpRunning() [L1142] COND FALSE !(\read(tmp___0)) [L802] RET __utac_acc__Specification5_spec__3() [L760] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 705]: 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 ; [L66] int waterLevel = 1; [L67] int methaneLevelCritical = 0; [L169] int cleanupTimeShifts = 4; [L496] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L1111] int switchedOnBeforeTS ; 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L250] int retValue_acc ; [L251] int tmp ; [L255] CALL select_helpers() [L304] __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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L255] RET select_helpers() [L256] CALL select_features() [L289] __SELECTED_FEATURE_base = 1 [L290] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L290] RET, EXPR select_one() [L290] __SELECTED_FEATURE_highWaterSensor = select_one() [L291] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L291] RET, EXPR select_one() [L291] __SELECTED_FEATURE_lowWaterSensor = select_one() [L292] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L292] RET, EXPR select_one() [L292] __SELECTED_FEATURE_methaneQuery = select_one() [L293] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L293] RET, EXPR select_one() [L293] __SELECTED_FEATURE_methaneAlarm = select_one() [L294] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L294] RET, EXPR select_one() [L294] __SELECTED_FEATURE_stopCommand = select_one() [L295] CALL, EXPR select_one() [L275] int retValue_acc ; [L276] int choice = __VERIFIER_nondet_int(); [L279] retValue_acc = choice [L280] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L295] RET, EXPR select_one() [L295] __SELECTED_FEATURE_startCommand = select_one() [L256] RET select_features() [L257] CALL, EXPR valid_product() [L309] int retValue_acc ; [L312] retValue_acc = __SELECTED_FEATURE_base [L313] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L240] CALL __utac_acc__Specification5_spec__1() [L1116] switchedOnBeforeTS = 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L240] RET __utac_acc__Specification5_spec__1() [L241] CALL test() [L696] int splverifierCounter ; [L697] int tmp ; [L698] int tmp___0 ; [L699] int tmp___1 ; [L700] int tmp___2 ; [L703] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L705] COND TRUE 1 [L707] COND TRUE splverifierCounter < 4 [L713] tmp = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp)) [L723] tmp___0 = __VERIFIER_nondet_int() [L725] COND FALSE !(\read(tmp___0)) [L733] tmp___2 = __VERIFIER_nondet_int() [L735] COND TRUE \read(tmp___2) [L736] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L760] CALL timeShift() [L785] CALL __utac_acc__Specification5_spec__2() [L1125] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1125] RET, EXPR isPumpRunning() [L1125] switchedOnBeforeTS = isPumpRunning() [L785] RET __utac_acc__Specification5_spec__2() [L787] COND FALSE !(\read(pumpRunning)) [L794] COND TRUE \read(systemActive) [L796] CALL processEnvironment() [L930] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L937] CALL processEnvironment__before__methaneAlarm() [L887] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L894] CALL processEnvironment__before__lowWaterSensor() [L844] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L851] FCALL processEnvironment__before__highWaterSensor() [L894] RET processEnvironment__before__lowWaterSensor() [L937] RET processEnvironment__before__methaneAlarm() [L796] RET processEnvironment() [L802] CALL __utac_acc__Specification5_spec__3() [L1131] int tmp ; [L1132] int tmp___0 ; [L1136] CALL, EXPR getWaterLevel() [L137] int retValue_acc ; [L140] retValue_acc = waterLevel [L141] return (retValue_acc); [L1136] RET, EXPR getWaterLevel() [L1136] tmp = getWaterLevel() [L1138] COND TRUE tmp != 2 [L1140] CALL, EXPR isPumpRunning() [L1005] int retValue_acc ; [L1008] retValue_acc = pumpRunning [L1009] return (retValue_acc); [L1140] RET, EXPR isPumpRunning() [L1140] tmp___0 = isPumpRunning() [L1142] COND FALSE !(\read(tmp___0)) [L802] RET __utac_acc__Specification5_spec__3() [L760] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 12:38:58,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35393eb2-90d9-45af-aa41-fa59a13a0985/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)