./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme --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 45558e1c10008e5b16efe572a84fcf92b08797f54d586c51d45827b7e38254a6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:42,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:42,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 10:45:42,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:42,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:42,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:42,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:42,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:42,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:42,606 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:42,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:42,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:42,608 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:42,611 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 10:45:42,611 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 10:45:42,612 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 10:45:42,612 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 10:45:42,613 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 10:45:42,613 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 10:45:42,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:42,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 10:45:42,615 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:45:42,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:45:42,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:45:42,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:42,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 10:45:42,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 10:45:42,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 10:45:42,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:45:42,619 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:45:42,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:42,620 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 10:45:42,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:42,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:42,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:42,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:42,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:45:42,623 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 10:45:42,623 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_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45558e1c10008e5b16efe572a84fcf92b08797f54d586c51d45827b7e38254a6 [2023-11-26 10:45:42,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:42,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:42,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:42,929 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:42,929 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:42,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2023-11-26 10:45:46,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:46,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:46,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2023-11-26 10:45:46,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/data/a58a3736c/05343337696c429099266b1eab6e040e/FLAG136e38f3e [2023-11-26 10:45:46,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/data/a58a3736c/05343337696c429099266b1eab6e040e [2023-11-26 10:45:46,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:46,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:46,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:46,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:46,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:46,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:46,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a210cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46, skipping insertion in model container [2023-11-26 10:45:46,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:46,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:45:46,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:46,871 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:45:46,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-26 10:45:46,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] [2023-11-26 10:45:46,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [190] [2023-11-26 10:45:46,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [530] [2023-11-26 10:45:46,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] [2023-11-26 10:45:46,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] [2023-11-26 10:45:46,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [982] [2023-11-26 10:45:46,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1085] [2023-11-26 10:45:46,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:45:46,969 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:45:46,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46 WrapperNode [2023-11-26 10:45:46,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:46,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:46,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:45:46,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:45:46,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,108 INFO L138 Inliner]: procedures = 63, calls = 122, calls flagged for inlining = 75, calls inlined = 452, statements flattened = 2689 [2023-11-26 10:45:47,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:45:47,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:45:47,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:45:47,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:45:47,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,170 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]. [2023-11-26 10:45:47,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:45:47,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:45:47,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:45:47,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:45:47,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (1/1) ... [2023-11-26 10:45:47,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 10:45:47,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:45:47,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 10:45:47,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 10:45:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:45:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:45:47,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:45:47,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:45:47,449 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:45:47,452 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:45:48,724 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:45:48,748 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:45:48,748 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:45:48,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:48 BoogieIcfgContainer [2023-11-26 10:45:48,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:45:48,751 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 10:45:48,751 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 10:45:48,755 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 10:45:48,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:45:48,756 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 10:45:46" (1/3) ... [2023-11-26 10:45:48,757 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21dab4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:45:48, skipping insertion in model container [2023-11-26 10:45:48,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:45:48,758 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:46" (2/3) ... [2023-11-26 10:45:48,758 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21dab4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 10:45:48, skipping insertion in model container [2023-11-26 10:45:48,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 10:45:48,758 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:48" (3/3) ... [2023-11-26 10:45:48,760 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2023-11-26 10:45:48,836 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 10:45:48,836 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 10:45:48,837 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 10:45:48,837 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 10:45:48,837 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 10:45:48,837 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 10:45:48,837 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 10:45:48,838 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 10:45:48,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 769 states, 768 states have (on average 1.3450520833333333) internal successors, (1033), 768 states have internal predecessors, (1033), 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) [2023-11-26 10:45:48,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 507 [2023-11-26 10:45:48,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:48,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:48,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:48,945 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:48,945 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 10:45:48,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 769 states, 768 states have (on average 1.3450520833333333) internal successors, (1033), 768 states have internal predecessors, (1033), 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) [2023-11-26 10:45:48,969 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 507 [2023-11-26 10:45:48,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:48,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:48,978 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:48,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:48,989 INFO L748 eck$LassoCheckResult]: Stem: 117#$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);~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 704#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 607#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 138#select_one_returnLabel#1true select_features_#t~ret55#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 730#select_one_returnLabel#2true select_features_#t~ret56#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 503#select_one_returnLabel#3true select_features_#t~ret57#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 82#select_one_returnLabel#4true select_features_#t~ret58#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 505#select_one_returnLabel#5true select_features_#t~ret59#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 113#select_one_returnLabel#6true select_features_#t~ret60#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1; 382#select_features_returnLabel#1true havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 467#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 253#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 261#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 224#L541-2true [2023-11-26 10:45:48,990 INFO L750 eck$LassoCheckResult]: Loop: 224#L541-2true assume !false; 312#L542true assume test_~splverifierCounter~0#1 < 4; 243#L543true havoc test_#t~nondet22#1;test_~tmp~8#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 520#L551true assume !(0 != test_~tmp~8#1); 401#L551-2true havoc test_#t~nondet23#1;test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 53#L561true assume !(0 != test_~tmp___0~3#1); 431#L561-2true havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 298#L571true assume 0 != test_~tmp___2~0#1; 289#L572true assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 126#L583-1true assume { :begin_inline_timeShift } true; 633#L207true assume !(0 != ~pumpRunning~0); 464#L207-2true assume !(0 != ~systemActive~0); 268#L214-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 718#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 622#L173true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 659#L173-1true havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 539#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 224#L541-2true [2023-11-26 10:45:48,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2023-11-26 10:45:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:49,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058999985] [2023-11-26 10:45:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:49,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:49,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:49,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:49,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:49,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1371907660, now seen corresponding path program 1 times [2023-11-26 10:45:49,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:49,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321389725] [2023-11-26 10:45:49,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:49,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:49,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:49,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:49,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:49,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1809726550, now seen corresponding path program 1 times [2023-11-26 10:45:49,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:49,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930038097] [2023-11-26 10:45:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:49,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:49,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930038097] [2023-11-26 10:45:49,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930038097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:49,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:49,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:45:49,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827468438] [2023-11-26 10:45:49,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:49,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:49,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:45:49,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:45:49,694 INFO L87 Difference]: Start difference. First operand has 769 states, 768 states have (on average 1.3450520833333333) internal successors, (1033), 768 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:50,087 INFO L93 Difference]: Finished difference Result 2327 states and 3108 transitions. [2023-11-26 10:45:50,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2327 states and 3108 transitions. [2023-11-26 10:45:50,116 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1542 [2023-11-26 10:45:50,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2327 states to 2287 states and 3068 transitions. [2023-11-26 10:45:50,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2287 [2023-11-26 10:45:50,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2287 [2023-11-26 10:45:50,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2287 states and 3068 transitions. [2023-11-26 10:45:50,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:50,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2287 states and 3068 transitions. [2023-11-26 10:45:50,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states and 3068 transitions. [2023-11-26 10:45:50,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 807. [2023-11-26 10:45:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 807 states have (on average 1.339529120198265) internal successors, (1081), 806 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:45:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1081 transitions. [2023-11-26 10:45:50,305 INFO L240 hiAutomatonCegarLoop]: Abstraction has 807 states and 1081 transitions. [2023-11-26 10:45:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:45:50,311 INFO L428 stractBuchiCegarLoop]: Abstraction has 807 states and 1081 transitions. [2023-11-26 10:45:50,311 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 10:45:50,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1081 transitions. [2023-11-26 10:45:50,318 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 543 [2023-11-26 10:45:50,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 10:45:50,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 10:45:50,319 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:50,319 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] [2023-11-26 10:45:50,320 INFO L748 eck$LassoCheckResult]: Stem: 3519#$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);~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3744#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3567#select_one_returnLabel#1 select_features_#t~ret55#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3568#select_one_returnLabel#2 select_features_#t~ret56#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3478#select_one_returnLabel#3 select_features_#t~ret57#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3419#select_one_returnLabel#4 select_features_#t~ret58#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3420#select_one_returnLabel#5 select_features_#t~ret59#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;havoc select_one_#t~nondet54#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3480#select_one_returnLabel#6 select_features_#t~ret60#1 := select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1; 3505#select_features_returnLabel#1 havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 3358#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 3359#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 3769#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3588#L541-2 [2023-11-26 10:45:50,320 INFO L750 eck$LassoCheckResult]: Loop: 3588#L541-2 assume !false; 3729#L542 assume test_~splverifierCounter~0#1 < 4; 3760#L543 havoc test_#t~nondet22#1;test_~tmp~8#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 3521#L551 assume !(0 != test_~tmp~8#1); 3118#L551-2 havoc test_#t~nondet23#1;test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 3312#L561 assume !(0 != test_~tmp___0~3#1); 3227#L561-2 havoc test_#t~nondet24#1;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 3228#L571 assume 0 != test_~tmp___2~0#1; 3808#L572 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 3265#L583-1 assume { :begin_inline_timeShift } true; 3544#L207 assume !(0 != ~pumpRunning~0); 3258#L207-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3354#L350 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3387#L307-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3473#L264-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3474#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3433#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3434#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3737#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 3738#L214-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 3784#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret5#1;havoc __utac_acc__Specification4_spec__1_#t~ret5#1; 3770#L173 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 3564#L173-1 havoc __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_#t~ret6#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 3587#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3588#L541-2 [2023-11-26 10:45:50,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:50,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2023-11-26 10:45:50,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:50,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779962833] [2023-11-26 10:45:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:50,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:50,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:50,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash 535116834, now seen corresponding path program 1 times [2023-11-26 10:45:50,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:50,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648261459] [2023-11-26 10:45:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:50,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:50,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:50,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:50,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:50,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1172754796, now seen corresponding path program 1 times [2023-11-26 10:45:50,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:50,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178845757] [2023-11-26 10:45:50,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:50,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:50,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:50,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:45:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:52,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:45:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:45:52,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 10:45:52 BoogieIcfgContainer [2023-11-26 10:45:52,325 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 10:45:52,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:45:52,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:45:52,329 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:45:52,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:48" (3/4) ... [2023-11-26 10:45:52,331 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-26 10:45:52,458 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:45:52,459 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:45:52,460 INFO L158 Benchmark]: Toolchain (without parser) took 5969.83ms. Allocated memory was 127.9MB in the beginning and 201.3MB in the end (delta: 73.4MB). Free memory was 89.9MB in the beginning and 105.2MB in the end (delta: -15.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2023-11-26 10:45:52,461 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:45:52,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.76ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 69.3MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:45:52,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.91ms. Allocated memory is still 127.9MB. Free memory was 69.3MB in the beginning and 94.2MB in the end (delta: -24.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-26 10:45:52,468 INFO L158 Benchmark]: Boogie Preprocessor took 155.42ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 84.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:45:52,468 INFO L158 Benchmark]: RCFGBuilder took 1484.51ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 84.2MB in the beginning and 117.4MB in the end (delta: -33.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-26 10:45:52,469 INFO L158 Benchmark]: BuchiAutomizer took 3576.16ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 117.0MB in the beginning and 109.4MB in the end (delta: 7.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-26 10:45:52,470 INFO L158 Benchmark]: Witness Printer took 131.16ms. Allocated memory is still 201.3MB. Free memory was 108.4MB in the beginning and 105.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:45:52,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.76ms. Allocated memory is still 127.9MB. Free memory was 89.9MB in the beginning and 69.3MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.91ms. Allocated memory is still 127.9MB. Free memory was 69.3MB in the beginning and 94.2MB in the end (delta: -24.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.42ms. Allocated memory is still 127.9MB. Free memory was 94.2MB in the beginning and 84.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1484.51ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 84.2MB in the beginning and 117.4MB in the end (delta: -33.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3576.16ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 117.0MB in the beginning and 109.4MB in the end (delta: 7.6MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Witness Printer took 131.16ms. Allocated memory is still 201.3MB. Free memory was 108.4MB in the beginning and 105.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] - GenericResultAtLocation [Line: 190]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [190] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [530] - GenericResultAtLocation [Line: 607]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] - GenericResultAtLocation [Line: 982]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [982] - GenericResultAtLocation [Line: 1085]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1085] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 807 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 1480 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7007 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7007 mSDsluCounter, 8318 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7296 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 1022 mSDtfsCounter, 67 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 541]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L155] int __SELECTED_FEATURE_base ; [L156] int __SELECTED_FEATURE_highWaterSensor ; [L157] int __SELECTED_FEATURE_lowWaterSensor ; [L158] int __SELECTED_FEATURE_methaneQuery ; [L159] int __SELECTED_FEATURE_methaneAlarm ; [L160] int __SELECTED_FEATURE_stopCommand ; [L161] int __SELECTED_FEATURE_startCommand ; [L162] int __GUIDSL_ROOT_PRODUCTION ; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L983] int waterLevel = 1; [L984] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] CALL select_helpers() [L1117] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L136] RET select_helpers() [L137] CALL select_features() [L1102] __SELECTED_FEATURE_base = 1 [L1103] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L1103] RET, EXPR select_one() [L1103] __SELECTED_FEATURE_highWaterSensor = select_one() [L1104] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L1104] RET, EXPR select_one() [L1104] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1105] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=17, systemActive=1, waterLevel=1] [L1105] RET, EXPR select_one() [L1105] __SELECTED_FEATURE_methaneQuery = select_one() [L1106] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L1106] RET, EXPR select_one() [L1106] __SELECTED_FEATURE_methaneAlarm = select_one() [L1107] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=18, systemActive=1, waterLevel=1] [L1107] RET, EXPR select_one() [L1107] __SELECTED_FEATURE_stopCommand = select_one() [L1108] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L1108] RET, EXPR select_one() [L1108] __SELECTED_FEATURE_startCommand = select_one() [L137] RET select_features() [L138] CALL, EXPR valid_product() [L1122] int retValue_acc ; [L1125] retValue_acc = __SELECTED_FEATURE_base [L1126] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L541] COND TRUE 1 [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp___2) [L572] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L596] CALL timeShift() [L207] COND FALSE !(\read(pumpRunning)) [L214] COND TRUE \read(systemActive) [L216] CALL processEnvironment() [L350] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L357] CALL processEnvironment__before__methaneAlarm() [L307] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L314] CALL processEnvironment__before__lowWaterSensor() [L264] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L271] FCALL processEnvironment__before__highWaterSensor() [L314] RET processEnvironment__before__lowWaterSensor() [L357] RET processEnvironment__before__methaneAlarm() [L216] RET processEnvironment() [L222] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L1054] int retValue_acc ; [L1057] retValue_acc = waterLevel [L1058] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L222] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 541]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L155] int __SELECTED_FEATURE_base ; [L156] int __SELECTED_FEATURE_highWaterSensor ; [L157] int __SELECTED_FEATURE_lowWaterSensor ; [L158] int __SELECTED_FEATURE_methaneQuery ; [L159] int __SELECTED_FEATURE_methaneAlarm ; [L160] int __SELECTED_FEATURE_stopCommand ; [L161] int __SELECTED_FEATURE_startCommand ; [L162] int __GUIDSL_ROOT_PRODUCTION ; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L786] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L983] int waterLevel = 1; [L984] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] CALL select_helpers() [L1117] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L136] RET select_helpers() [L137] CALL select_features() [L1102] __SELECTED_FEATURE_base = 1 [L1103] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L1103] RET, EXPR select_one() [L1103] __SELECTED_FEATURE_highWaterSensor = select_one() [L1104] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L1104] RET, EXPR select_one() [L1104] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1105] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=17, systemActive=1, waterLevel=1] [L1105] RET, EXPR select_one() [L1105] __SELECTED_FEATURE_methaneQuery = select_one() [L1106] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L1106] RET, EXPR select_one() [L1106] __SELECTED_FEATURE_methaneAlarm = select_one() [L1107] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=18, systemActive=1, waterLevel=1] [L1107] RET, EXPR select_one() [L1107] __SELECTED_FEATURE_stopCommand = select_one() [L1108] CALL, EXPR select_one() [L1088] int retValue_acc ; [L1089] int choice = __VERIFIER_nondet_int(); [L1092] retValue_acc = choice [L1093] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L1108] RET, EXPR select_one() [L1108] __SELECTED_FEATURE_startCommand = select_one() [L137] RET select_features() [L138] CALL, EXPR valid_product() [L1122] int retValue_acc ; [L1125] retValue_acc = __SELECTED_FEATURE_base [L1126] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=17, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L541] COND TRUE 1 [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp___2) [L572] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L596] CALL timeShift() [L207] COND FALSE !(\read(pumpRunning)) [L214] COND TRUE \read(systemActive) [L216] CALL processEnvironment() [L350] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L357] CALL processEnvironment__before__methaneAlarm() [L307] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L314] CALL processEnvironment__before__lowWaterSensor() [L264] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L271] FCALL processEnvironment__before__highWaterSensor() [L314] RET processEnvironment__before__lowWaterSensor() [L357] RET processEnvironment__before__methaneAlarm() [L216] RET processEnvironment() [L222] CALL __utac_acc__Specification4_spec__1() [L166] int tmp ; [L167] int tmp___0 ; [L171] CALL, EXPR getWaterLevel() [L1054] int retValue_acc ; [L1057] retValue_acc = waterLevel [L1058] return (retValue_acc); [L171] RET, EXPR getWaterLevel() [L171] tmp = getWaterLevel() [L173] COND FALSE !(tmp == 0) [L222] RET __utac_acc__Specification4_spec__1() [L596] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:45:52,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2dcecc-b1e5-4071-9b04-a661796cd703/bin/uautomizer-verify-VRDe98Ueme/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)