./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:07,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:07,951 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:07,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:07,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:07,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:07,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:07,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:07,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:07,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:07,994 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:07,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:07,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:08,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:08,001 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:08,001 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:08,002 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:08,002 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:08,002 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:08,002 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:08,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:08,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:08,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:08,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:08,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:08,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:08,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:08,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:08,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:08,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:08,020 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:08,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:08,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:08,021 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:08,021 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:08,021 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:08,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:08,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:08,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:08,022 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:08,022 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2024-11-10 23:13:08,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:08,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:08,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:08,313 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:08,313 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:08,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2024-11-10 23:13:09,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:09,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:09,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2024-11-10 23:13:09,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01060a02/accfc12b6f4a4838a0b246f508fd904a/FLAG7080600ac [2024-11-10 23:13:09,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01060a02/accfc12b6f4a4838a0b246f508fd904a [2024-11-10 23:13:09,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:09,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:09,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:09,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:09,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:09,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:09,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a03c20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:09, skipping insertion in model container [2024-11-10 23:13:09,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:09" (1/1) ... [2024-11-10 23:13:10,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:10,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:10,336 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:10,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:13:10,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-10 23:13:10,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] [2024-11-10 23:13:10,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] [2024-11-10 23:13:10,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] [2024-11-10 23:13:10,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] [2024-11-10 23:13:10,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] [2024-11-10 23:13:10,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] [2024-11-10 23:13:10,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:10,467 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:10,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10 WrapperNode [2024-11-10 23:13:10,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:10,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:10,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:10,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:10,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,546 INFO L138 Inliner]: procedures = 54, calls = 100, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 512 [2024-11-10 23:13:10,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:10,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:10,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:10,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:10,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,591 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]. [2024-11-10 23:13:10,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:10,616 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:10,616 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:10,616 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:10,617 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (1/1) ... [2024-11-10 23:13:10,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:10,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:10,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:13:10,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:13:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:10,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:10,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:10,794 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:10,805 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:11,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2024-11-10 23:13:11,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2024-11-10 23:13:11,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L697-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2024-11-10 23:13:11,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:11,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:11,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:11,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:11,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:11,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L467-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:13:11,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L937-1: main_#res#1 := main_~retValue_acc~11#1; [2024-11-10 23:13:11,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:13:11,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:13:11,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L706-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:13:11,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:11,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:11,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:11,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:11,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:11,305 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:13:11,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L841-1: valid_product_#res#1 := valid_product_~retValue_acc~10#1; [2024-11-10 23:13:11,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:13:11,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:13:11,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:13:11,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:13:11,306 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:13:11,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:13:11,331 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:11,332 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:11,355 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:11,357 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:11,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:11 BoogieIcfgContainer [2024-11-10 23:13:11,358 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:11,362 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:11,362 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:11,369 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:11,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:11,371 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:09" (1/3) ... [2024-11-10 23:13:11,372 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ee75e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:11, skipping insertion in model container [2024-11-10 23:13:11,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:11,372 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:10" (2/3) ... [2024-11-10 23:13:11,372 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ee75e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:11, skipping insertion in model container [2024-11-10 23:13:11,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:11,372 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:11" (3/3) ... [2024-11-10 23:13:11,374 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2024-11-10 23:13:11,444 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:11,445 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:11,445 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:11,445 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:11,445 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:11,445 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:11,446 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:11,446 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:11,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 157 states, 156 states have (on average 1.3397435897435896) internal successors, (209), 156 states have internal predecessors, (209), 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) [2024-11-10 23:13:11,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-10 23:13:11,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:11,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:11,490 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:11,490 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:11,491 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:11,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 157 states, 156 states have (on average 1.3397435897435896) internal successors, (209), 156 states have internal predecessors, (209), 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) [2024-11-10 23:13:11,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-10 23:13:11,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:11,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:11,507 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:11,508 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:11,513 INFO L745 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRYtrue 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 34#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 4#L832true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 150#L825true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 127#L840true assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 12#L927true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 29#L904true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2#L525true [2024-11-10 23:13:11,514 INFO L747 eck$LassoCheckResult]: Loop: 2#L525true assume true; 55#L525-1true assume !false;assume true; 118#L527true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 114#L535true assume !(0 != test_~tmp~3#1); 62#L543true havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 22#L545true assume !(0 != test_~tmp___0~0#1); 98#L553true havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 152#L555true assume 0 != test_~tmp___2~0#1; 49#L570true assume { :begin_inline_timeShift } true; 58#L594-2true assume !(0 != ~pumpRunning~0); 99#L601-2true assume !(0 != ~systemActive~0); 158#L609-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 106#L466-4true assume true;__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 65#L789-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 156#L803-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 122#L611-2true assume true;assume { :end_inline_timeShift } true; 2#L525true [2024-11-10 23:13:11,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:11,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2112909298, now seen corresponding path program 1 times [2024-11-10 23:13:11,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:11,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120296856] [2024-11-10 23:13:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:11,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:11,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:11,702 INFO L85 PathProgramCache]: Analyzing trace with hash 695589333, now seen corresponding path program 1 times [2024-11-10 23:13:11,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:11,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560702987] [2024-11-10 23:13:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:11,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:11,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:11,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1586644934, now seen corresponding path program 1 times [2024-11-10 23:13:11,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:11,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613341769] [2024-11-10 23:13:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:11,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:11,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:11,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613341769] [2024-11-10 23:13:11,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613341769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:11,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:11,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:13:11,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148784597] [2024-11-10 23:13:11,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:12,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:12,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:12,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:12,075 INFO L87 Difference]: Start difference. First operand has 157 states, 156 states have (on average 1.3397435897435896) internal successors, (209), 156 states have internal predecessors, (209), 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 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-11-10 23:13:12,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:12,144 INFO L93 Difference]: Finished difference Result 294 states and 380 transitions. [2024-11-10 23:13:12,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 294 states and 380 transitions. [2024-11-10 23:13:12,152 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 186 [2024-11-10 23:13:12,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 294 states to 272 states and 357 transitions. [2024-11-10 23:13:12,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 272 [2024-11-10 23:13:12,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 272 [2024-11-10 23:13:12,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 272 states and 357 transitions. [2024-11-10 23:13:12,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:12,164 INFO L218 hiAutomatonCegarLoop]: Abstraction has 272 states and 357 transitions. [2024-11-10 23:13:12,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states and 357 transitions. [2024-11-10 23:13:12,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 269. [2024-11-10 23:13:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 269 states have (on average 1.312267657992565) internal successors, (353), 268 states have internal predecessors, (353), 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) [2024-11-10 23:13:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 353 transitions. [2024-11-10 23:13:12,205 INFO L240 hiAutomatonCegarLoop]: Abstraction has 269 states and 353 transitions. [2024-11-10 23:13:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:12,215 INFO L425 stractBuchiCegarLoop]: Abstraction has 269 states and 353 transitions. [2024-11-10 23:13:12,215 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:12,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 269 states and 353 transitions. [2024-11-10 23:13:12,220 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 186 [2024-11-10 23:13:12,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:12,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:12,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:12,221 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] [2024-11-10 23:13:12,221 INFO L745 eck$LassoCheckResult]: Stem: 623#ULTIMATE.startENTRY 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 518#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 464#L832 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 465#L825 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 613#L840 assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 480#L927 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 481#L904 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 462#L525 [2024-11-10 23:13:12,222 INFO L747 eck$LassoCheckResult]: Loop: 462#L525 assume true; 463#L525-1 assume !false;assume true; 543#L527 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet32#1;test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 601#L535 assume !(0 != test_~tmp~3#1); 552#L543 havoc test_#t~nondet33#1;test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 499#L545 assume !(0 != test_~tmp___0~0#1); 501#L553 havoc test_#t~nondet34#1;test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 588#L555 assume 0 != test_~tmp___2~0#1; 535#L570 assume { :begin_inline_timeShift } true; 536#L594-2 assume !(0 != ~pumpRunning~0); 548#L601-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 589#L652-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 606#L626-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 607#L618-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 521#L644-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 470#L670-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 471#L609-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 596#L466-4 assume true;__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 557#L789-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 559#L803-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 608#L611-2 assume true;assume { :end_inline_timeShift } true; 462#L525 [2024-11-10 23:13:12,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:12,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2112909298, now seen corresponding path program 2 times [2024-11-10 23:13:12,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:12,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253323938] [2024-11-10 23:13:12,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:12,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:12,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:12,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:12,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1497634160, now seen corresponding path program 1 times [2024-11-10 23:13:12,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:12,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190899491] [2024-11-10 23:13:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:12,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:12,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:12,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:12,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1859930593, now seen corresponding path program 1 times [2024-11-10 23:13:12,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:12,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027176505] [2024-11-10 23:13:12,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:12,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:12,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:12,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:13,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:13,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:13 BoogieIcfgContainer [2024-11-10 23:13:13,168 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:13,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:13,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:13,170 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:13,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:11" (3/4) ... [2024-11-10 23:13:13,172 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:13,226 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:13,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:13,227 INFO L158 Benchmark]: Toolchain (without parser) took 3257.19ms. Allocated memory was 127.9MB in the beginning and 182.5MB in the end (delta: 54.5MB). Free memory was 74.5MB in the beginning and 89.8MB in the end (delta: -15.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-10 23:13:13,227 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:13,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.46ms. Allocated memory was 127.9MB in the beginning and 182.5MB in the end (delta: 54.5MB). Free memory was 74.2MB in the beginning and 145.2MB in the end (delta: -71.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-10 23:13:13,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.22ms. Allocated memory is still 182.5MB. Free memory was 145.2MB in the beginning and 142.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:13,228 INFO L158 Benchmark]: Boogie Preprocessor took 63.66ms. Allocated memory is still 182.5MB. Free memory was 142.1MB in the beginning and 138.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:13,228 INFO L158 Benchmark]: IcfgBuilder took 745.78ms. Allocated memory is still 182.5MB. Free memory was 138.9MB in the beginning and 109.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 23:13:13,229 INFO L158 Benchmark]: BuchiAutomizer took 1806.29ms. Allocated memory is still 182.5MB. Free memory was 109.5MB in the beginning and 92.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-10 23:13:13,229 INFO L158 Benchmark]: Witness Printer took 57.12ms. Allocated memory is still 182.5MB. Free memory was 92.9MB in the beginning and 89.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:13,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.46ms. Allocated memory was 127.9MB in the beginning and 182.5MB in the end (delta: 54.5MB). Free memory was 74.2MB in the beginning and 145.2MB in the end (delta: -71.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.22ms. Allocated memory is still 182.5MB. Free memory was 145.2MB in the beginning and 142.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.66ms. Allocated memory is still 182.5MB. Free memory was 142.1MB in the beginning and 138.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 745.78ms. Allocated memory is still 182.5MB. Free memory was 138.9MB in the beginning and 109.5MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1806.29ms. Allocated memory is still 182.5MB. Free memory was 109.5MB in the beginning and 92.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 57.12ms. Allocated memory is still 182.5MB. Free memory was 92.9MB in the beginning and 89.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] - GenericResultAtLocation [Line: 581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] - GenericResultAtLocation [Line: 806]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] - GenericResultAtLocation [Line: 844]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] - GenericResultAtLocation [Line: 940]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 269 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 202 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 525]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L586] int pumpRunning = 0; [L587] int systemActive = 1; [L845] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] int retValue_acc ; [L919] int tmp ; [L923] FCALL select_helpers() [L924] FCALL select_features() [L925] CALL, EXPR valid_product() [L836] int retValue_acc ; [L839] retValue_acc = 1 [L840] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L925] RET, EXPR valid_product() [L925] tmp = valid_product() [L927] COND TRUE \read(tmp) [L929] FCALL setup() [L930] CALL runTest() [L912] CALL test() [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L570] CALL timeShift() [L594] COND FALSE !(\read(pumpRunning)) [L601] COND TRUE \read(systemActive) [L603] CALL processEnvironment() [L649] int tmp ; [L652] COND FALSE !(\read(pumpRunning)) [L667] CALL processEnvironment__wrappee__lowWaterSensor() [L623] int tmp ; [L626] COND FALSE !(\read(pumpRunning)) [L641] FCALL processEnvironment__wrappee__base() [L667] RET processEnvironment__wrappee__lowWaterSensor() [L603] RET processEnvironment() [L609] CALL __utac_acc__Specification1_spec__1() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L787] RET, EXPR isMethaneLevelCritical() [L787] tmp = isMethaneLevelCritical() [L789] COND FALSE !(\read(tmp)) [L609] RET __utac_acc__Specification1_spec__1() [L570] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 525]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L586] int pumpRunning = 0; [L587] int systemActive = 1; [L845] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] int retValue_acc ; [L919] int tmp ; [L923] FCALL select_helpers() [L924] FCALL select_features() [L925] CALL, EXPR valid_product() [L836] int retValue_acc ; [L839] retValue_acc = 1 [L840] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L925] RET, EXPR valid_product() [L925] tmp = valid_product() [L927] COND TRUE \read(tmp) [L929] FCALL setup() [L930] CALL runTest() [L912] CALL test() [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L570] CALL timeShift() [L594] COND FALSE !(\read(pumpRunning)) [L601] COND TRUE \read(systemActive) [L603] CALL processEnvironment() [L649] int tmp ; [L652] COND FALSE !(\read(pumpRunning)) [L667] CALL processEnvironment__wrappee__lowWaterSensor() [L623] int tmp ; [L626] COND FALSE !(\read(pumpRunning)) [L641] FCALL processEnvironment__wrappee__base() [L667] RET processEnvironment__wrappee__lowWaterSensor() [L603] RET processEnvironment() [L609] CALL __utac_acc__Specification1_spec__1() [L782] int tmp ; [L783] int tmp___0 ; [L787] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L787] RET, EXPR isMethaneLevelCritical() [L787] tmp = isMethaneLevelCritical() [L789] COND FALSE !(\read(tmp)) [L609] RET __utac_acc__Specification1_spec__1() [L570] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:13,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)