./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX --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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:45:57,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:45:57,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 18:45:57,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:45:57,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:45:57,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:45:57,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:45:57,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:45:57,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:45:57,536 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:45:57,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:45:57,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:45:57,538 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:45:57,539 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 18:45:57,541 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 18:45:57,542 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 18:45:57,542 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 18:45:57,542 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 18:45:57,543 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 18:45:57,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:45:57,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 18:45:57,548 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:45:57,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:45:57,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:45:57,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:45:57,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 18:45:57,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 18:45:57,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 18:45:57,550 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:45:57,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:45:57,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:45:57,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:45:57,551 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 18:45:57,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:45:57,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:45:57,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:45:57,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:45:57,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:45:57,555 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 18:45:57,555 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_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2024-11-08 18:45:57,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:45:57,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:45:57,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:45:57,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:45:57,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:45:57,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c Unable to find full path for "g++" [2024-11-08 18:46:00,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:46:00,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:46:00,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2024-11-08 18:46:00,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/data/59e250199/e9262603d2df4fa2b30797b05052bd0e/FLAG4bfc4d662 [2024-11-08 18:46:00,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/data/59e250199/e9262603d2df4fa2b30797b05052bd0e [2024-11-08 18:46:00,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:46:00,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:46:00,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:00,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:46:00,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:46:00,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:00,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449068a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00, skipping insertion in model container [2024-11-08 18:46:00,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:00,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:46:00,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:00,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:46:00,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-08 18:46:00,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-08 18:46:00,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2024-11-08 18:46:00,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [287] [2024-11-08 18:46:00,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [653] [2024-11-08 18:46:00,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [725] [2024-11-08 18:46:00,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [823] [2024-11-08 18:46:00,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [873] [2024-11-08 18:46:00,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:46:00,872 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:46:00,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00 WrapperNode [2024-11-08 18:46:00,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:46:00,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:00,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:46:00,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:46:00,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:00,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:00,933 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 60, statements flattened = 387 [2024-11-08 18:46:00,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:46:00,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:46:00,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:46:00,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:46:00,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:00,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:00,957 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:00,990 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]. [2024-11-08 18:46:00,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:00,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:01,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:01,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:01,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:01,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:01,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:46:01,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:46:01,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:46:01,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:46:01,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (1/1) ... [2024-11-08 18:46:01,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:46:01,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:46:01,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:46:01,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 18:46:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:46:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:46:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:46:01,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:46:01,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:46:01,202 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:46:01,617 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-08 18:46:01,617 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:46:01,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:46:01,634 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:46:01,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:01 BoogieIcfgContainer [2024-11-08 18:46:01,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:46:01,636 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 18:46:01,636 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 18:46:01,641 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 18:46:01,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:46:01,643 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 06:46:00" (1/3) ... [2024-11-08 18:46:01,644 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@495bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:46:01, skipping insertion in model container [2024-11-08 18:46:01,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:46:01,644 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:46:00" (2/3) ... [2024-11-08 18:46:01,645 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@495bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:46:01, skipping insertion in model container [2024-11-08 18:46:01,645 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:46:01,645 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:01" (3/3) ... [2024-11-08 18:46:01,650 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2024-11-08 18:46:01,737 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 18:46:01,738 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 18:46:01,738 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 18:46:01,738 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 18:46:01,739 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 18:46:01,739 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 18:46:01,739 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 18:46:01,739 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 18:46:01,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 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) [2024-11-08 18:46:01,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2024-11-08 18:46:01,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:46:01,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:46:01,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:01,794 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] [2024-11-08 18:46:01,795 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 18:46:01,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 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) [2024-11-08 18:46:01,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2024-11-08 18:46:01,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:46:01,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:46:01,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:01,806 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] [2024-11-08 18:46:01,812 INFO L745 eck$LassoCheckResult]: Stem: 29#$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(31, 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 24#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 98#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 85#valid_product_returnLabel#1true main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 6#L810true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 73#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; 110#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 59#L667-2true [2024-11-08 18:46:01,813 INFO L747 eck$LassoCheckResult]: Loop: 59#L667-2true assume !false; 33#L668true assume test_~splverifierCounter~0#1 < 4; 104#L669true havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 10#L677true assume !(0 != test_~tmp~5#1); 62#L677-2true havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 51#L687true assume !(0 != test_~tmp___0~1#1); 74#L687-2true havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 35#L697true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet42#1;test_~tmp___1~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 99#L705true assume !(0 != test_~tmp___1~0#1); 113#L705-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 107#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 78#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 46#L120true assume !(0 != ~pumpRunning~0); 30#L120-2true assume !(0 != ~systemActive~0); 83#L127-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 63#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 13#L852true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 103#L852-1true havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 64#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 59#L667-2true [2024-11-08 18:46:01,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:01,818 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-08 18:46:01,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:01,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480157348] [2024-11-08 18:46:01,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:01,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:01,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:01,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:01,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:01,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1807713050, now seen corresponding path program 1 times [2024-11-08 18:46:01,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:01,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221915616] [2024-11-08 18:46:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:01,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:01,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:02,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:02,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:02,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1057505903, now seen corresponding path program 1 times [2024-11-08 18:46:02,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:02,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079644505] [2024-11-08 18:46:02,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:02,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:02,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:02,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079644505] [2024-11-08 18:46:02,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079644505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:02,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:02,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:46:02,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687230537] [2024-11-08 18:46:02,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:02,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:02,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:46:02,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:46:02,537 INFO L87 Difference]: Start difference. First operand has 123 states, 122 states have (on average 1.360655737704918) internal successors, (166), 122 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:46:02,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:02,713 INFO L93 Difference]: Finished difference Result 298 states and 385 transitions. [2024-11-08 18:46:02,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 298 states and 385 transitions. [2024-11-08 18:46:02,724 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 193 [2024-11-08 18:46:02,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 298 states to 268 states and 355 transitions. [2024-11-08 18:46:02,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 268 [2024-11-08 18:46:02,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 268 [2024-11-08 18:46:02,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 268 states and 355 transitions. [2024-11-08 18:46:02,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:46:02,737 INFO L218 hiAutomatonCegarLoop]: Abstraction has 268 states and 355 transitions. [2024-11-08 18:46:02,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states and 355 transitions. [2024-11-08 18:46:02,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 168. [2024-11-08 18:46:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 168 states have (on average 1.3214285714285714) internal successors, (222), 167 states have internal predecessors, (222), 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) [2024-11-08 18:46:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2024-11-08 18:46:02,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 168 states and 222 transitions. [2024-11-08 18:46:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:46:02,794 INFO L425 stractBuchiCegarLoop]: Abstraction has 168 states and 222 transitions. [2024-11-08 18:46:02,794 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 18:46:02,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 222 transitions. [2024-11-08 18:46:02,799 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2024-11-08 18:46:02,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:46:02,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:46:02,800 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:02,800 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] [2024-11-08 18:46:02,800 INFO L745 eck$LassoCheckResult]: Stem: 484#$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(31, 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 485#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 476#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 477#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 533#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 443#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 444#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; 528#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 520#L667-2 [2024-11-08 18:46:02,800 INFO L747 eck$LassoCheckResult]: Loop: 520#L667-2 assume !false; 492#L668 assume test_~splverifierCounter~0#1 < 4; 493#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 449#L677 assume !(0 != test_~tmp~5#1); 451#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 512#L687 assume !(0 != test_~tmp___0~1#1); 507#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 495#L697 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 496#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 513#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 542#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 531#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 509#L120 assume !(0 != ~pumpRunning~0); 486#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 487#L152 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 488#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 446#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 530#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 521#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 455#L852 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 457#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 522#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 520#L667-2 [2024-11-08 18:46:02,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:02,801 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-08 18:46:02,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:02,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962517] [2024-11-08 18:46:02,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:02,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:02,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:02,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:02,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1095730947, now seen corresponding path program 1 times [2024-11-08 18:46:02,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:02,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050240960] [2024-11-08 18:46:02,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:02,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:02,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:02,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050240960] [2024-11-08 18:46:02,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050240960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:02,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:02,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:46:02,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339678258] [2024-11-08 18:46:02,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:02,861 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 18:46:02,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:02,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:46:02,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:46:02,862 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-08 18:46:02,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:02,938 INFO L93 Difference]: Finished difference Result 225 states and 286 transitions. [2024-11-08 18:46:02,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 286 transitions. [2024-11-08 18:46:02,941 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2024-11-08 18:46:02,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 286 transitions. [2024-11-08 18:46:02,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 225 [2024-11-08 18:46:02,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 225 [2024-11-08 18:46:02,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 286 transitions. [2024-11-08 18:46:02,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:46:02,945 INFO L218 hiAutomatonCegarLoop]: Abstraction has 225 states and 286 transitions. [2024-11-08 18:46:02,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 286 transitions. [2024-11-08 18:46:02,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-08 18:46:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 225 states have (on average 1.271111111111111) internal successors, (286), 224 states have internal predecessors, (286), 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) [2024-11-08 18:46:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 286 transitions. [2024-11-08 18:46:02,959 INFO L240 hiAutomatonCegarLoop]: Abstraction has 225 states and 286 transitions. [2024-11-08 18:46:02,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:46:02,960 INFO L425 stractBuchiCegarLoop]: Abstraction has 225 states and 286 transitions. [2024-11-08 18:46:02,960 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 18:46:02,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 286 transitions. [2024-11-08 18:46:02,963 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 163 [2024-11-08 18:46:02,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:46:02,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:46:02,964 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:02,964 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] [2024-11-08 18:46:02,964 INFO L745 eck$LassoCheckResult]: Stem: 883#$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(31, 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 884#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 875#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 876#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 946#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 842#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 843#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; 934#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 925#L667-2 [2024-11-08 18:46:02,965 INFO L747 eck$LassoCheckResult]: Loop: 925#L667-2 assume !false; 926#L668 assume test_~splverifierCounter~0#1 < 4; 962#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 963#L677 assume !(0 != test_~tmp~5#1); 1047#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1045#L687 assume !(0 != test_~tmp___0~1#1); 935#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 936#L697 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 896#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 957#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 1034#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 1032#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1033#L120 assume !(0 != ~pumpRunning~0); 885#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 886#L152 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 887#L957 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 860#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 861#L254 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 879#L254-2 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 880#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret5#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret5#1;havoc processEnvironment_#t~ret5#1; 954#L156 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 853#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 854#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 939#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 945#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 1042#L852 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 1039#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 928#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 925#L667-2 [2024-11-08 18:46:02,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:02,965 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-08 18:46:02,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:02,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023760183] [2024-11-08 18:46:02,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:02,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:02,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:02,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:02,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash 937279749, now seen corresponding path program 1 times [2024-11-08 18:46:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:02,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053250169] [2024-11-08 18:46:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:02,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:46:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:46:03,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:46:03,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053250169] [2024-11-08 18:46:03,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053250169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:46:03,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:46:03,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:46:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540102081] [2024-11-08 18:46:03,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:46:03,110 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 18:46:03,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:46:03,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:46:03,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:46:03,111 INFO L87 Difference]: Start difference. First operand 225 states and 286 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-08 18:46:03,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:46:03,262 INFO L93 Difference]: Finished difference Result 442 states and 555 transitions. [2024-11-08 18:46:03,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 442 states and 555 transitions. [2024-11-08 18:46:03,269 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 326 [2024-11-08 18:46:03,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 442 states to 442 states and 555 transitions. [2024-11-08 18:46:03,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 442 [2024-11-08 18:46:03,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 442 [2024-11-08 18:46:03,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 442 states and 555 transitions. [2024-11-08 18:46:03,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:46:03,282 INFO L218 hiAutomatonCegarLoop]: Abstraction has 442 states and 555 transitions. [2024-11-08 18:46:03,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states and 555 transitions. [2024-11-08 18:46:03,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 439. [2024-11-08 18:46:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 439 states have (on average 1.2505694760820045) internal successors, (549), 438 states have internal predecessors, (549), 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) [2024-11-08 18:46:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 549 transitions. [2024-11-08 18:46:03,323 INFO L240 hiAutomatonCegarLoop]: Abstraction has 439 states and 549 transitions. [2024-11-08 18:46:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:46:03,326 INFO L425 stractBuchiCegarLoop]: Abstraction has 439 states and 549 transitions. [2024-11-08 18:46:03,326 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 18:46:03,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 439 states and 549 transitions. [2024-11-08 18:46:03,333 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 324 [2024-11-08 18:46:03,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:46:03,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:46:03,334 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:46:03,334 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, 1, 1] [2024-11-08 18:46:03,336 INFO L745 eck$LassoCheckResult]: Stem: 1563#$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(31, 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1555#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1556#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1640#valid_product_returnLabel#1 main_#t~ret43#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 1522#L810 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1523#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; 1625#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1616#L667-2 [2024-11-08 18:46:03,337 INFO L747 eck$LassoCheckResult]: Loop: 1616#L667-2 assume !false; 1867#L668 assume test_~splverifierCounter~0#1 < 4; 1661#L669 havoc test_#t~nondet39#1;test_~tmp~5#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1662#L677 assume !(0 != test_~tmp~5#1); 1613#L677-2 havoc test_#t~nondet40#1;test_~tmp___0~1#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1598#L687 assume !(0 != test_~tmp___0~1#1); 1591#L687-2 havoc test_#t~nondet41#1;test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 1575#L697 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1576#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1600#L705-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 1664#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret44#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret44#1;havoc __utac_acc__Specification5_spec__2_#t~ret44#1; 1632#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret44#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1594#L120 assume !(0 != ~pumpRunning~0); 1595#L120-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 1567#L152 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1568#L957 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1619#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 1601#L254 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1602#L254-2 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 1650#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret5#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret5#1;havoc processEnvironment_#t~ret5#1; 1651#L156 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1730#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 1630#L152-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true; 1631#L127-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1637#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret45#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret45#1;havoc __utac_acc__Specification5_spec__3_#t~ret45#1; 1875#L852 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 1874#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; 1873#L856 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1871#L852-1 havoc __utac_acc__Specification5_spec__3_#t~ret45#1, __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1615#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1616#L667-2 [2024-11-08 18:46:03,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:03,338 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-08 18:46:03,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:03,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311415476] [2024-11-08 18:46:03,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:03,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:03,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:03,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:03,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1238298048, now seen corresponding path program 1 times [2024-11-08 18:46:03,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:03,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609724902] [2024-11-08 18:46:03,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:03,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:03,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:03,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:03,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:46:03,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1090811753, now seen corresponding path program 1 times [2024-11-08 18:46:03,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:46:03,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215787925] [2024-11-08 18:46:03,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:46:03,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:46:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:03,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:03,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:46:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:04,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:46:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:46:04,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 06:46:04 BoogieIcfgContainer [2024-11-08 18:46:04,759 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 18:46:04,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:46:04,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:46:04,761 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:46:04,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:46:01" (3/4) ... [2024-11-08 18:46:04,766 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 18:46:04,842 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:46:04,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:46:04,843 INFO L158 Benchmark]: Toolchain (without parser) took 4543.50ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 88.1MB in the beginning and 59.0MB in the end (delta: 29.1MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2024-11-08 18:46:04,844 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 125.8MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:46:04,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.70ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 66.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 18:46:04,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.64ms. Allocated memory is still 125.8MB. Free memory was 66.6MB in the beginning and 63.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:46:04,845 INFO L158 Benchmark]: Boogie Preprocessor took 84.17ms. Allocated memory is still 125.8MB. Free memory was 63.9MB in the beginning and 60.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:46:04,846 INFO L158 Benchmark]: RCFGBuilder took 616.33ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 60.9MB in the beginning and 132.2MB in the end (delta: -71.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-08 18:46:04,846 INFO L158 Benchmark]: BuchiAutomizer took 3123.31ms. Allocated memory is still 163.6MB. Free memory was 132.1MB in the beginning and 63.2MB in the end (delta: 68.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-11-08 18:46:04,846 INFO L158 Benchmark]: Witness Printer took 82.63ms. Allocated memory is still 163.6MB. Free memory was 63.2MB in the beginning and 59.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:46:04,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 125.8MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.70ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 66.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.64ms. Allocated memory is still 125.8MB. Free memory was 66.6MB in the beginning and 63.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.17ms. Allocated memory is still 125.8MB. Free memory was 63.9MB in the beginning and 60.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 616.33ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 60.9MB in the beginning and 132.2MB in the end (delta: -71.4MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3123.31ms. Allocated memory is still 163.6MB. Free memory was 132.1MB in the beginning and 63.2MB in the end (delta: 68.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Witness Printer took 82.63ms. Allocated memory is still 163.6MB. Free memory was 63.2MB in the beginning and 59.0MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 287]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [287] - GenericResultAtLocation [Line: 653]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [653] - GenericResultAtLocation [Line: 725]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [725] - GenericResultAtLocation [Line: 823]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [823] - GenericResultAtLocation [Line: 873]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [873] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 439 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 103 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, 630 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 630 mSDsluCounter, 1416 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 970 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 156 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 446 mSDtfsCounter, 156 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 667]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L108] int pumpRunning = 0; [L109] int systemActive = 1; [L457] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L726] int cleanupTimeShifts = 4; [L825] int switchedOnBeforeTS ; [L874] int waterLevel = 1; [L875] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L801] int retValue_acc ; [L802] int tmp ; [L806] FCALL select_helpers() [L807] FCALL select_features() [L808] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L808] RET, EXPR valid_product() [L808] tmp = valid_product() [L810] COND TRUE \read(tmp) [L812] FCALL setup() [L813] CALL runTest() [L794] CALL __utac_acc__Specification5_spec__1() [L830] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L794] RET __utac_acc__Specification5_spec__1() [L795] CALL test() [L658] int splverifierCounter ; [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L662] int tmp___2 ; [L665] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L667] COND TRUE 1 [L669] COND TRUE splverifierCounter < 4 [L675] tmp = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp)) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L695] tmp___2 = __VERIFIER_nondet_int() [L697] COND TRUE \read(tmp___2) [L699] CALL startSystem() [L283] systemActive = 1 [L699] RET startSystem() [L714] CALL timeShift() [L118] CALL __utac_acc__Specification5_spec__2() [L839] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L839] RET, EXPR isPumpRunning() [L839] switchedOnBeforeTS = isPumpRunning() [L118] RET __utac_acc__Specification5_spec__2() [L120] COND FALSE !(\read(pumpRunning)) [L127] COND TRUE \read(systemActive) [L129] CALL processEnvironment() [L149] int tmp ; [L152] COND TRUE ! pumpRunning [L154] CALL, EXPR isHighWaterLevel() [L246] int retValue_acc ; [L247] int tmp ; [L248] int tmp___0 ; [L252] CALL, EXPR isHighWaterSensorDry() [L954] int retValue_acc ; [L957] COND TRUE waterLevel < 2 [L958] retValue_acc = 1 [L959] return (retValue_acc); [L252] RET, EXPR isHighWaterSensorDry() [L252] tmp = isHighWaterSensorDry() [L254] COND TRUE \read(tmp) [L255] tmp___0 = 0 [L259] retValue_acc = tmp___0 [L260] return (retValue_acc); [L154] RET, EXPR isHighWaterLevel() [L154] tmp = isHighWaterLevel() [L156] COND FALSE !(\read(tmp)) [L162] FCALL processEnvironment__wrappee__base() [L129] RET processEnvironment() [L135] CALL __utac_acc__Specification5_spec__3() [L845] int tmp ; [L846] int tmp___0 ; [L850] CALL, EXPR getWaterLevel() [L945] int retValue_acc ; [L948] retValue_acc = waterLevel [L949] return (retValue_acc); [L850] RET, EXPR getWaterLevel() [L850] tmp = getWaterLevel() [L852] COND TRUE tmp != 2 [L854] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L854] RET, EXPR isPumpRunning() [L854] tmp___0 = isPumpRunning() [L856] COND FALSE !(\read(tmp___0)) [L135] RET __utac_acc__Specification5_spec__3() [L714] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 667]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L108] int pumpRunning = 0; [L109] int systemActive = 1; [L457] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L726] int cleanupTimeShifts = 4; [L825] int switchedOnBeforeTS ; [L874] int waterLevel = 1; [L875] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L801] int retValue_acc ; [L802] int tmp ; [L806] FCALL select_helpers() [L807] FCALL select_features() [L808] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L808] RET, EXPR valid_product() [L808] tmp = valid_product() [L810] COND TRUE \read(tmp) [L812] FCALL setup() [L813] CALL runTest() [L794] CALL __utac_acc__Specification5_spec__1() [L830] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L794] RET __utac_acc__Specification5_spec__1() [L795] CALL test() [L658] int splverifierCounter ; [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L662] int tmp___2 ; [L665] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L667] COND TRUE 1 [L669] COND TRUE splverifierCounter < 4 [L675] tmp = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp)) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L695] tmp___2 = __VERIFIER_nondet_int() [L697] COND TRUE \read(tmp___2) [L699] CALL startSystem() [L283] systemActive = 1 [L699] RET startSystem() [L714] CALL timeShift() [L118] CALL __utac_acc__Specification5_spec__2() [L839] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L839] RET, EXPR isPumpRunning() [L839] switchedOnBeforeTS = isPumpRunning() [L118] RET __utac_acc__Specification5_spec__2() [L120] COND FALSE !(\read(pumpRunning)) [L127] COND TRUE \read(systemActive) [L129] CALL processEnvironment() [L149] int tmp ; [L152] COND TRUE ! pumpRunning [L154] CALL, EXPR isHighWaterLevel() [L246] int retValue_acc ; [L247] int tmp ; [L248] int tmp___0 ; [L252] CALL, EXPR isHighWaterSensorDry() [L954] int retValue_acc ; [L957] COND TRUE waterLevel < 2 [L958] retValue_acc = 1 [L959] return (retValue_acc); [L252] RET, EXPR isHighWaterSensorDry() [L252] tmp = isHighWaterSensorDry() [L254] COND TRUE \read(tmp) [L255] tmp___0 = 0 [L259] retValue_acc = tmp___0 [L260] return (retValue_acc); [L154] RET, EXPR isHighWaterLevel() [L154] tmp = isHighWaterLevel() [L156] COND FALSE !(\read(tmp)) [L162] FCALL processEnvironment__wrappee__base() [L129] RET processEnvironment() [L135] CALL __utac_acc__Specification5_spec__3() [L845] int tmp ; [L846] int tmp___0 ; [L850] CALL, EXPR getWaterLevel() [L945] int retValue_acc ; [L948] retValue_acc = waterLevel [L949] return (retValue_acc); [L850] RET, EXPR getWaterLevel() [L850] tmp = getWaterLevel() [L852] COND TRUE tmp != 2 [L854] CALL, EXPR isPumpRunning() [L201] int retValue_acc ; [L204] retValue_acc = pumpRunning [L205] return (retValue_acc); [L854] RET, EXPR isPumpRunning() [L854] tmp___0 = isPumpRunning() [L856] COND FALSE !(\read(tmp___0)) [L135] RET __utac_acc__Specification5_spec__3() [L714] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 18:46:04,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2ef6381-eb45-43d5-b917-be62850b4a0f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)