./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/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_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:15,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:15,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:08:15,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:15,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:15,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:15,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:15,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:15,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:15,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:15,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:15,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:15,300 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:15,300 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:08:15,301 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:08:15,303 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:08:15,303 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:08:15,303 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:08:15,304 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:08:15,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:15,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:08:15,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:15,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:15,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:15,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:15,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:08:15,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:08:15,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:08:15,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:15,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:15,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:15,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:15,308 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:08:15,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:15,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:15,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:15,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:15,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:15,311 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:08:15,311 INFO L153 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_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62c2cf132c1af8470eae7f9b6621445fd5b91c1643db1f71bf7213022a4dec0a [2024-10-31 22:08:15,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:15,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:15,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:15,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:15,669 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:15,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c Unable to find full path for "g++" [2024-10-31 22:08:18,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:18,396 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:18,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2024-10-31 22:08:18,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/data/ddc888126/9d3ceb45176f40f7a72e433b0696cf8c/FLAGef7d90fe4 [2024-10-31 22:08:18,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/data/ddc888126/9d3ceb45176f40f7a72e433b0696cf8c [2024-10-31 22:08:18,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:18,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:18,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:18,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:18,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:18,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:18" (1/1) ... [2024-10-31 22:08:18,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e159f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:18, skipping insertion in model container [2024-10-31 22:08:18,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:18" (1/1) ... [2024-10-31 22:08:18,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:19,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:19,463 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:19,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-10-31 22:08:19,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] [2024-10-31 22:08:19,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [272] [2024-10-31 22:08:19,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [317] [2024-10-31 22:08:19,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [326] [2024-10-31 22:08:19,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] [2024-10-31 22:08:19,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [771] [2024-10-31 22:08:19,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [1110] [2024-10-31 22:08:19,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:19,669 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:19,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19 WrapperNode [2024-10-31 22:08:19,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:19,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:19,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:19,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:19,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:19,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:19,900 INFO L138 Inliner]: procedures = 65, calls = 125, calls flagged for inlining = 78, calls inlined = 459, statements flattened = 2729 [2024-10-31 22:08:19,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:19,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:19,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:19,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:19,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:19,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:19,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:19,973 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:08:19,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:19,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:20,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:20,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:20,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:20,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:20,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:20,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:20,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:20,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:20,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (1/1) ... [2024-10-31 22:08:20,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:20,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:20,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:20,330 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:20,334 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:22,382 INFO L? ?]: Removed 593 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:22,383 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:22,440 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:22,441 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:08:22,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:22 BoogieIcfgContainer [2024-10-31 22:08:22,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:22,447 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:08:22,447 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:08:22,452 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:08:22,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:22,453 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:08:18" (1/3) ... [2024-10-31 22:08:22,455 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66d2062a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:22, skipping insertion in model container [2024-10-31 22:08:22,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:22,456 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:19" (2/3) ... [2024-10-31 22:08:22,458 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66d2062a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:22, skipping insertion in model container [2024-10-31 22:08:22,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:22,460 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:22" (3/3) ... [2024-10-31 22:08:22,463 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2024-10-31 22:08:22,586 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:08:22,586 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:08:22,586 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:08:22,586 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:08:22,586 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:08:22,586 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:08:22,587 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:08:22,587 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:08:22,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 779 states, 778 states have (on average 1.3444730077120823) internal successors, (1046), 778 states have internal predecessors, (1046), 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) [2024-10-31 22:08:22,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 513 [2024-10-31 22:08:22,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:22,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:22,687 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:22,688 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] [2024-10-31 22:08:22,688 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:08:22,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 779 states, 778 states have (on average 1.3444730077120823) internal successors, (1046), 778 states have internal predecessors, (1046), 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) [2024-10-31 22:08:22,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 513 [2024-10-31 22:08:22,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:22,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:22,728 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:22,729 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] [2024-10-31 22:08:22,741 INFO L745 eck$LassoCheckResult]: Stem: 126#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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; 715#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; 602#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;havoc select_one_#t~nondet10#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; 145#select_one_returnLabel#1true select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 741#select_one_returnLabel#2true select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 498#select_one_returnLabel#3true select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 501#select_one_returnLabel#5true select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1; 369#select_features_returnLabel#1true 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;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; 460#valid_product_returnLabel#1true main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 735#L259true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 262#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; 201#__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 [2024-10-31 22:08:22,742 INFO L747 eck$LassoCheckResult]: Loop: 88#L705-2true assume !false; 764#L706true assume test_~splverifierCounter~0#1 < 4; 352#L707true havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 598#L715true assume !(0 != test_~tmp~4#1); 686#L715-2true havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 399#L725true assume !(0 != test_~tmp___0~0#1); 401#L725-2true havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 388#L735true assume 0 != test_~tmp___2~0#1; 130#L736true assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 242#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; 575#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#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; 744#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 202#L787true assume !(0 != ~pumpRunning~0); 356#L787-2true assume !(0 != ~systemActive~0); 425#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; 730#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#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); 703#L1138-1true 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;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 536#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 88#L705-2true [2024-10-31 22:08:22,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:22,755 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2024-10-31 22:08:22,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:22,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047444422] [2024-10-31 22:08:22,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:22,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:22,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:23,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:23,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1559470174, now seen corresponding path program 1 times [2024-10-31 22:08:23,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:23,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914607906] [2024-10-31 22:08:23,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:23,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:23,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash 484451791, now seen corresponding path program 1 times [2024-10-31 22:08:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:23,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771997140] [2024-10-31 22:08:23,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:23,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:23,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771997140] [2024-10-31 22:08:23,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771997140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:23,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:23,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:08:23,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73588711] [2024-10-31 22:08:23,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:23,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:23,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:08:23,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:08:23,684 INFO L87 Difference]: Start difference. First operand has 779 states, 778 states have (on average 1.3444730077120823) internal successors, (1046), 778 states have internal predecessors, (1046), 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) [2024-10-31 22:08:24,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:24,094 INFO L93 Difference]: Finished difference Result 2364 states and 3157 transitions. [2024-10-31 22:08:24,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2364 states and 3157 transitions. [2024-10-31 22:08:24,128 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1566 [2024-10-31 22:08:24,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2364 states to 2324 states and 3117 transitions. [2024-10-31 22:08:24,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2324 [2024-10-31 22:08:24,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2324 [2024-10-31 22:08:24,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2324 states and 3117 transitions. [2024-10-31 22:08:24,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:24,184 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2324 states and 3117 transitions. [2024-10-31 22:08:24,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states and 3117 transitions. [2024-10-31 22:08:24,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 826. [2024-10-31 22:08:24,304 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) [2024-10-31 22:08:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1106 transitions. [2024-10-31 22:08:24,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 826 states and 1106 transitions. [2024-10-31 22:08:24,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:08:24,362 INFO L425 stractBuchiCegarLoop]: Abstraction has 826 states and 1106 transitions. [2024-10-31 22:08:24,362 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:08:24,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 826 states and 1106 transitions. [2024-10-31 22:08:24,368 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 555 [2024-10-31 22:08:24,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:24,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:24,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:24,372 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] [2024-10-31 22:08:24,373 INFO L745 eck$LassoCheckResult]: Stem: 3603#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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; 3604#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; 3793#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;havoc select_one_#t~nondet10#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; 3642#select_one_returnLabel#1 select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 3643#select_one_returnLabel#2 select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 3558#select_one_returnLabel#3 select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 3485#select_one_returnLabel#4 select_features_#t~ret14#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 3486#select_one_returnLabel#5 select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 3562#select_one_returnLabel#6 select_features_#t~ret16#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1; 3584#select_features_returnLabel#1 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;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; 3420#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 3421#L259 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 3843#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; 3746#__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; 3494#L705-2 [2024-10-31 22:08:24,373 INFO L747 eck$LassoCheckResult]: Loop: 3494#L705-2 assume !false; 3495#L706 assume test_~splverifierCounter~0#1 < 4; 3922#L707 havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 3778#L715 assume !(0 != test_~tmp~4#1); 3246#L715-2 havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 3188#L725 assume !(0 != test_~tmp___0~0#1); 3189#L725-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 3212#L735 assume 0 != test_~tmp___2~0#1; 3617#L736 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 3279#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; 3735#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#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; 3736#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3747#L787 assume !(0 != ~pumpRunning~0); 3748#L787-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3830#L930 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3260#L887-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3262#L844-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3772#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3510#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3451#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3791#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 3324#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; 3325#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#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; 3534#L1138 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11#1); 3407#L1138-1 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;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3657#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3494#L705-2 [2024-10-31 22:08:24,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:24,375 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2024-10-31 22:08:24,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:24,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024729095] [2024-10-31 22:08:24,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:24,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:24,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:24,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:24,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:24,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1379443018, now seen corresponding path program 1 times [2024-10-31 22:08:24,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:24,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615200930] [2024-10-31 22:08:24,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:24,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:24,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:24,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:24,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:24,432 INFO L85 PathProgramCache]: Analyzing trace with hash -410957127, now seen corresponding path program 1 times [2024-10-31 22:08:24,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:24,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433919098] [2024-10-31 22:08:24,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:24,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:24,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:24,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433919098] [2024-10-31 22:08:24,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433919098] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:24,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:24,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:08:24,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868290295] [2024-10-31 22:08:24,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:24,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:24,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:08:24,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:24,837 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) [2024-10-31 22:08:25,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:25,300 INFO L93 Difference]: Finished difference Result 1638 states and 2192 transitions. [2024-10-31 22:08:25,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1638 states and 2192 transitions. [2024-10-31 22:08:25,317 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1110 [2024-10-31 22:08:25,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1638 states to 1638 states and 2192 transitions. [2024-10-31 22:08:25,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1638 [2024-10-31 22:08:25,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1638 [2024-10-31 22:08:25,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1638 states and 2192 transitions. [2024-10-31 22:08:25,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:25,332 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1638 states and 2192 transitions. [2024-10-31 22:08:25,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states and 2192 transitions. [2024-10-31 22:08:25,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1632. [2024-10-31 22:08:25,365 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) [2024-10-31 22:08:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2180 transitions. [2024-10-31 22:08:25,371 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1632 states and 2180 transitions. [2024-10-31 22:08:25,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:08:25,372 INFO L425 stractBuchiCegarLoop]: Abstraction has 1632 states and 2180 transitions. [2024-10-31 22:08:25,373 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:08:25,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1632 states and 2180 transitions. [2024-10-31 22:08:25,383 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 1106 [2024-10-31 22:08:25,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:25,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:25,384 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:25,384 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] [2024-10-31 22:08:25,385 INFO L745 eck$LassoCheckResult]: Stem: 6097#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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; 6098#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; 6332#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;havoc select_one_#t~nondet10#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; 6138#select_one_returnLabel#1 select_features_#t~ret11#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 6139#select_one_returnLabel#2 select_features_#t~ret12#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 6051#select_one_returnLabel#3 select_features_#t~ret13#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 5968#select_one_returnLabel#4 select_features_#t~ret14#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 5969#select_one_returnLabel#5 select_features_#t~ret15#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#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;havoc select_one_#t~nondet10#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; 6053#select_one_returnLabel#6 select_features_#t~ret16#1 := select_one_#res#1;havoc select_one_#t~nondet10#1, select_one_~retValue_acc~5#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret16#1;havoc select_features_#t~ret16#1; 6079#select_features_returnLabel#1 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;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; 5902#valid_product_returnLabel#1 main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 5903#L259 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 6404#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; 6268#__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; 6157#L705-2 [2024-10-31 22:08:25,385 INFO L747 eck$LassoCheckResult]: Loop: 6157#L705-2 assume !false; 6649#L706 assume test_~splverifierCounter~0#1 < 4; 6549#L707 havoc test_#t~nondet40#1;test_~tmp~4#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 6313#L715 assume !(0 != test_~tmp~4#1); 5726#L715-2 havoc test_#t~nondet41#1;test_~tmp___0~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 5669#L725 assume !(0 != test_~tmp___0~0#1); 5670#L725-2 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 5690#L735 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet43#1;test_~tmp___1~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 6059#L747 assume !(0 != test_~tmp___1~0#1); 5757#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; 6685#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret59#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#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; 6684#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret59#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 6682#L787 assume !(0 != ~pumpRunning~0); 6681#L787-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 6663#L930 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 5738#L887-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 5740#L844-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 6302#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 5996#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 5933#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 6328#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 6329#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; 6532#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret60#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#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; 6533#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; 6534#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret61#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~11#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; 6535#L1142 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 6499#L1138-1 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;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 6156#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 6157#L705-2 [2024-10-31 22:08:25,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:25,386 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 3 times [2024-10-31 22:08:25,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:25,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487084964] [2024-10-31 22:08:25,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:25,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,415 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:25,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:25,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1038297962, now seen corresponding path program 1 times [2024-10-31 22:08:25,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:25,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133168266] [2024-10-31 22:08:25,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:25,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:25,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash 669048389, now seen corresponding path program 1 times [2024-10-31 22:08:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:25,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422144686] [2024-10-31 22:08:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:25,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:25,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:27,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:27,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:08:27 BoogieIcfgContainer [2024-10-31 22:08:27,502 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:08:27,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:27,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:27,503 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:27,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:22" (3/4) ... [2024-10-31 22:08:27,508 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-31 22:08:27,603 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:08:27,603 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:27,604 INFO L158 Benchmark]: Toolchain (without parser) took 8940.10ms. Allocated memory was 146.8MB in the beginning and 262.1MB in the end (delta: 115.3MB). Free memory was 101.8MB in the beginning and 106.1MB in the end (delta: -4.3MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2024-10-31 22:08:27,604 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:27,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1008.52ms. Allocated memory is still 146.8MB. Free memory was 101.8MB in the beginning and 78.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:27,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 221.91ms. Allocated memory is still 146.8MB. Free memory was 78.7MB in the beginning and 69.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:08:27,606 INFO L158 Benchmark]: Boogie Preprocessor took 188.16ms. Allocated memory is still 146.8MB. Free memory was 69.4MB in the beginning and 58.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:08:27,606 INFO L158 Benchmark]: RCFGBuilder took 2351.13ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 58.9MB in the beginning and 89.9MB in the end (delta: -31.0MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-10-31 22:08:27,607 INFO L158 Benchmark]: BuchiAutomizer took 5055.36ms. Allocated memory was 213.9MB in the beginning and 262.1MB in the end (delta: 48.2MB). Free memory was 89.9MB in the beginning and 110.3MB in the end (delta: -20.4MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-10-31 22:08:27,607 INFO L158 Benchmark]: Witness Printer took 100.63ms. Allocated memory is still 262.1MB. Free memory was 110.3MB in the beginning and 106.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:08:27,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1008.52ms. Allocated memory is still 146.8MB. Free memory was 101.8MB in the beginning and 78.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 221.91ms. Allocated memory is still 146.8MB. Free memory was 78.7MB in the beginning and 69.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.16ms. Allocated memory is still 146.8MB. Free memory was 69.4MB in the beginning and 58.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2351.13ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 58.9MB in the beginning and 89.9MB in the end (delta: -31.0MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 5055.36ms. Allocated memory was 213.9MB in the beginning and 262.1MB in the end (delta: 48.2MB). Free memory was 89.9MB in the beginning and 110.3MB in the end (delta: -20.4MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 100.63ms. Allocated memory is still 262.1MB. Free memory was 110.3MB in the beginning and 106.1MB 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.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [168] - GenericResultAtLocation [Line: 272]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [272] - GenericResultAtLocation [Line: 317]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [317] - GenericResultAtLocation [Line: 326]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [326] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [771] - GenericResultAtLocation [Line: 1110]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [1110] * 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 4.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.4s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 1504 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, 5029 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5029 mSDsluCounter, 10171 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8185 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 351 IncrementalHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 1986 mSDtfsCounter, 351 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, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=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, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=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=16, __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, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, 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=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=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=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, 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=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=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=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, 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=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, 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=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, 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 FALSE !(\read(tmp___2)) [L745] tmp___1 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___1)) [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, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=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, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=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=16, __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, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, 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=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=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=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, 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=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=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=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, 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=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, 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=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, 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 FALSE !(\read(tmp___2)) [L745] tmp___1 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___1)) [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! [2024-10-31 22:08:27,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1369c1d-1191-4af2-a004-b258993114f3/bin/uautomizer-verify-4GaUIPS5ZU/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)