./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product30.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_spec2_product30.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 b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:58,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:58,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:58,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:58,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:58,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:58,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:58,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:58,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:58,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:58,594 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:58,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:58,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:58,595 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:58,598 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:58,598 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:58,598 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:58,598 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:58,598 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:58,599 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:58,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:58,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:58,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:58,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:58,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:58,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:58,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:58,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:58,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:58,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:58,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:58,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:58,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:58,601 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:58,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:58,601 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:58,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:58,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:58,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:58,602 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:58,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f [2024-11-10 23:13:58,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:58,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:58,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:58,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:58,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:58,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2024-11-10 23:14:00,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:14:00,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:14:00,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2024-11-10 23:14:00,360 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6e98055/f3cca1dd94a3404abb178d74c1921847/FLAG08d472e09 [2024-11-10 23:14:00,371 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee6e98055/f3cca1dd94a3404abb178d74c1921847 [2024-11-10 23:14:00,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:14:00,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:14:00,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:00,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:14:00,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:14:00,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2146171d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00, skipping insertion in model container [2024-11-10 23:14:00,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:14:00,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:00,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:14:00,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:14:00,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] [2024-11-10 23:14:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2024-11-10 23:14:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [556] [2024-11-10 23:14:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [650] [2024-11-10 23:14:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [718] [2024-11-10 23:14:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [925] [2024-11-10 23:14:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [934] [2024-11-10 23:14:00,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:00,781 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:14:00,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00 WrapperNode [2024-11-10 23:14:00,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:00,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:00,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:14:00,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:14:00,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,852 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 82, statements flattened = 524 [2024-11-10 23:14:00,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:00,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:14:00,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:14:00,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:14:00,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,914 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 23:14:00,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:14:00,936 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:14:00,936 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:14:00,936 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:14:00,937 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (1/1) ... [2024-11-10 23:14:00,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:14:00,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:14:00,976 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 23:14:00,978 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 23:14:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:14:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:14:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:14:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:14:01,067 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:14:01,070 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:14:01,431 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L647-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:01,434 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L647-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:01,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L647-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:01,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L647-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:01,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L647-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:01,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L647-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:01,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L450-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2024-11-10 23:14:01,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:14:01,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:14:01,435 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:14:01,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:14:01,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:14:01,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~11#1; [2024-11-10 23:14:01,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:14:01,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:14:01,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L850-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:14:01,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-1: main_#res#1 := main_~retValue_acc~5#1; [2024-11-10 23:14:01,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L606-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:01,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L606-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:01,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L606-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:01,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L606-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:01,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L606-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:01,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L606-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:01,438 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L859-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:14:01,438 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L859-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:14:01,438 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L859-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:14:01,468 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-10 23:14:01,468 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:14:01,487 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:14:01,489 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:14:01,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:01 BoogieIcfgContainer [2024-11-10 23:14:01,489 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:14:01,492 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:14:01,493 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:14:01,495 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:14:01,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:01,496 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:14:00" (1/3) ... [2024-11-10 23:14:01,497 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb2be60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:01, skipping insertion in model container [2024-11-10 23:14:01,497 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:01,498 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:00" (2/3) ... [2024-11-10 23:14:01,498 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb2be60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:01, skipping insertion in model container [2024-11-10 23:14:01,499 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:01,499 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:01" (3/3) ... [2024-11-10 23:14:01,500 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2024-11-10 23:14:01,546 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:14:01,546 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:14:01,546 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:14:01,546 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:14:01,546 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:14:01,546 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:14:01,547 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:14:01,547 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:14:01,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3503184713375795) internal successors, (212), 157 states have internal predecessors, (212), 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 23:14:01,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-10 23:14:01,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:01,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:01,586 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:01,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:01,586 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:14:01,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3503184713375795) internal successors, (212), 157 states have internal predecessors, (212), 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 23:14:01,599 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-10 23:14:01,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:01,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:01,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:01,604 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:01,611 INFO L745 eck$LassoCheckResult]: Stem: 141#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;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 27#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 22#L441true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 20#L434true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 81#L449true assume true;main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 53#L543true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 104#L517true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 124#L941true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 50#L662true [2024-11-10 23:14:01,612 INFO L747 eck$LassoCheckResult]: Loop: 50#L662true assume true; 98#L662-1true assume !false;assume true; 41#L664true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 129#L672true assume !(0 != test_~tmp~4#1); 147#L680true havoc test_#t~nondet35#1;test_~tmp___0~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 85#L682true assume !(0 != test_~tmp___0~0#1); 65#L690true havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 39#L692true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet37#1;test_~tmp___1~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 72#L700true assume 0 != test_~tmp___1~0#1; 90#L707true assume { :begin_inline_timeShift } true; 58#L730-2true assume !(0 != ~pumpRunning~0); 117#L737-2true assume !(0 != ~systemActive~0); 136#L745-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 43#L605-4true assume true;__utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 55#L952-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 67#L970-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 54#L747-2true assume true;assume { :end_inline_timeShift } true; 50#L662true [2024-11-10 23:14:01,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:01,618 INFO L85 PathProgramCache]: Analyzing trace with hash 465436954, now seen corresponding path program 1 times [2024-11-10 23:14:01,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:01,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111109136] [2024-11-10 23:14:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:01,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:01,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:01,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:01,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:01,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2025843338, now seen corresponding path program 1 times [2024-11-10 23:14:01,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:01,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336303995] [2024-11-10 23:14:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:01,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:01,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:01,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:01,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1667451261, now seen corresponding path program 1 times [2024-11-10 23:14:01,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:01,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571809810] [2024-11-10 23:14:01,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:01,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:01,860 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 23:14:01,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:01,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571809810] [2024-11-10 23:14:01,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571809810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:01,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:01,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:14:01,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577415223] [2024-11-10 23:14:01,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:01,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:01,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:14:01,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:14:01,974 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.3503184713375795) internal successors, (212), 157 states have internal predecessors, (212), 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 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 23:14:02,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:02,041 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions. [2024-11-10 23:14:02,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions. [2024-11-10 23:14:02,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2024-11-10 23:14:02,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 141 states and 184 transitions. [2024-11-10 23:14:02,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2024-11-10 23:14:02,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2024-11-10 23:14:02,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 184 transitions. [2024-11-10 23:14:02,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:02,056 INFO L218 hiAutomatonCegarLoop]: Abstraction has 141 states and 184 transitions. [2024-11-10 23:14:02,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 184 transitions. [2024-11-10 23:14:02,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-10 23:14:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 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 23:14:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2024-11-10 23:14:02,088 INFO L240 hiAutomatonCegarLoop]: Abstraction has 141 states and 184 transitions. [2024-11-10 23:14:02,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:14:02,092 INFO L425 stractBuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2024-11-10 23:14:02,093 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:14:02,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 184 transitions. [2024-11-10 23:14:02,095 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2024-11-10 23:14:02,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:02,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:02,099 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:02,099 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] [2024-11-10 23:14:02,099 INFO L745 eck$LassoCheckResult]: Stem: 460#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;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 361#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 352#L441 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 349#L434 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 350#L449 assume true;main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 402#L543 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 403#L517 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 448#L941 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 399#L662 [2024-11-10 23:14:02,099 INFO L747 eck$LassoCheckResult]: Loop: 399#L662 assume true; 400#L662-1 assume !false;assume true; 381#L664 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 383#L672 assume !(0 != test_~tmp~4#1); 441#L680 havoc test_#t~nondet35#1;test_~tmp___0~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 436#L682 assume !(0 != test_~tmp___0~0#1); 419#L690 havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 378#L692 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 379#L922 assume true;assume { :end_inline_startSystem } true; 428#L707 assume { :begin_inline_timeShift } true; 409#L730-2 assume !(0 != ~pumpRunning~0); 410#L737-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 431#L788-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret38#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 422#L762-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 372#L754-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 373#L780-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret38#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 417#L806-2 assume true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 453#L745-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 387#L605-4 assume true;__utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 388#L952-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 354#L970-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 401#L747-2 assume true;assume { :end_inline_timeShift } true; 399#L662 [2024-11-10 23:14:02,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:02,100 INFO L85 PathProgramCache]: Analyzing trace with hash 465436954, now seen corresponding path program 2 times [2024-11-10 23:14:02,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:02,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256745354] [2024-11-10 23:14:02,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:02,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:02,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:02,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:02,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:02,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2067472171, now seen corresponding path program 1 times [2024-11-10 23:14:02,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:02,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727693641] [2024-11-10 23:14:02,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:02,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:02,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:02,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:02,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:02,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1904994002, now seen corresponding path program 1 times [2024-11-10 23:14:02,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:02,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281292323] [2024-11-10 23:14:02,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:02,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:02,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:02,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:02,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:02,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:14:02 BoogieIcfgContainer [2024-11-10 23:14:02,969 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:14:02,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:14:02,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:14:02,970 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:14:02,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:01" (3/4) ... [2024-11-10 23:14:02,972 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:14:03,020 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:14:03,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:14:03,023 INFO L158 Benchmark]: Toolchain (without parser) took 2646.77ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 76.8MB in the beginning and 145.2MB in the end (delta: -68.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:14:03,023 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:14:03,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.99ms. Allocated memory is still 151.0MB. Free memory was 76.6MB in the beginning and 55.3MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:14:03,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.44ms. Allocated memory is still 151.0MB. Free memory was 55.3MB in the beginning and 52.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:03,024 INFO L158 Benchmark]: Boogie Preprocessor took 78.85ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 52.2MB in the beginning and 176.4MB in the end (delta: -124.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-10 23:14:03,024 INFO L158 Benchmark]: IcfgBuilder took 555.34ms. Allocated memory is still 205.5MB. Free memory was 176.4MB in the beginning and 144.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 23:14:03,025 INFO L158 Benchmark]: BuchiAutomizer took 1476.55ms. Allocated memory is still 205.5MB. Free memory was 144.9MB in the beginning and 148.3MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:14:03,025 INFO L158 Benchmark]: Witness Printer took 53.43ms. Allocated memory is still 205.5MB. Free memory was 147.3MB in the beginning and 145.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:03,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.99ms. Allocated memory is still 151.0MB. Free memory was 76.6MB in the beginning and 55.3MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.44ms. Allocated memory is still 151.0MB. Free memory was 55.3MB in the beginning and 52.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.85ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 52.2MB in the beginning and 176.4MB in the end (delta: -124.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * IcfgBuilder took 555.34ms. Allocated memory is still 205.5MB. Free memory was 176.4MB in the beginning and 144.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1476.55ms. Allocated memory is still 205.5MB. Free memory was 144.9MB in the beginning and 148.3MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.43ms. Allocated memory is still 205.5MB. Free memory was 147.3MB in the beginning and 145.2MB in the end (delta: 2.1MB). 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,"featureselect.i","") [415] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 556]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [556] - GenericResultAtLocation [Line: 650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [650] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [718] - GenericResultAtLocation [Line: 925]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [925] - GenericResultAtLocation [Line: 934]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [934] * 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 141 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 0 StatesRemovedByMinimization, 0 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, 176 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 193 mSDtfsCounter, 3 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: 662]: 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; [L454] int cleanupTimeShifts = 4; [L562] int waterLevel = 1; [L563] int methaneLevelCritical = 0; [L722] int pumpRunning = 0; [L723] int systemActive = 1; [L935] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L940] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L653] int splverifierCounter ; [L654] int tmp ; [L655] int tmp___0 ; [L656] int tmp___1 ; [L657] int tmp___2 ; [L660] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L662] COND TRUE 1 [L664] COND TRUE splverifierCounter < 4 [L670] tmp = __VERIFIER_nondet_int() [L672] COND FALSE !(\read(tmp)) [L680] tmp___0 = __VERIFIER_nondet_int() [L682] COND FALSE !(\read(tmp___0)) [L690] tmp___2 = __VERIFIER_nondet_int() [L692] COND TRUE \read(tmp___2) [L694] CALL startSystem() [L921] systemActive = 1 [L694] RET startSystem() [L707] CALL timeShift() [L730] COND FALSE !(\read(pumpRunning)) [L737] COND TRUE \read(systemActive) [L739] CALL processEnvironment() [L785] int tmp ; [L788] COND FALSE !(\read(pumpRunning)) [L803] CALL processEnvironment__wrappee__methaneQuery() [L759] int tmp ; [L762] COND FALSE !(\read(pumpRunning)) [L777] FCALL processEnvironment__wrappee__base() [L803] RET processEnvironment__wrappee__methaneQuery() [L739] RET processEnvironment() [L745] CALL __utac_acc__Specification2_spec__2() [L945] int tmp ; [L946] int tmp___0 ; [L950] CALL, EXPR isMethaneLevelCritical() [L601] int retValue_acc ; [L604] retValue_acc = methaneLevelCritical [L605] return (retValue_acc); [L950] RET, EXPR isMethaneLevelCritical() [L950] tmp = isMethaneLevelCritical() [L952] COND FALSE !(\read(tmp)) [L968] methAndRunningLastTime = 0 [L745] RET __utac_acc__Specification2_spec__2() [L707] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 662]: 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; [L454] int cleanupTimeShifts = 4; [L562] int waterLevel = 1; [L563] int methaneLevelCritical = 0; [L722] int pumpRunning = 0; [L723] int systemActive = 1; [L935] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L940] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L653] int splverifierCounter ; [L654] int tmp ; [L655] int tmp___0 ; [L656] int tmp___1 ; [L657] int tmp___2 ; [L660] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L662] COND TRUE 1 [L664] COND TRUE splverifierCounter < 4 [L670] tmp = __VERIFIER_nondet_int() [L672] COND FALSE !(\read(tmp)) [L680] tmp___0 = __VERIFIER_nondet_int() [L682] COND FALSE !(\read(tmp___0)) [L690] tmp___2 = __VERIFIER_nondet_int() [L692] COND TRUE \read(tmp___2) [L694] CALL startSystem() [L921] systemActive = 1 [L694] RET startSystem() [L707] CALL timeShift() [L730] COND FALSE !(\read(pumpRunning)) [L737] COND TRUE \read(systemActive) [L739] CALL processEnvironment() [L785] int tmp ; [L788] COND FALSE !(\read(pumpRunning)) [L803] CALL processEnvironment__wrappee__methaneQuery() [L759] int tmp ; [L762] COND FALSE !(\read(pumpRunning)) [L777] FCALL processEnvironment__wrappee__base() [L803] RET processEnvironment__wrappee__methaneQuery() [L739] RET processEnvironment() [L745] CALL __utac_acc__Specification2_spec__2() [L945] int tmp ; [L946] int tmp___0 ; [L950] CALL, EXPR isMethaneLevelCritical() [L601] int retValue_acc ; [L604] retValue_acc = methaneLevelCritical [L605] return (retValue_acc); [L950] RET, EXPR isMethaneLevelCritical() [L950] tmp = isMethaneLevelCritical() [L952] COND FALSE !(\read(tmp)) [L968] methAndRunningLastTime = 0 [L745] RET __utac_acc__Specification2_spec__2() [L707] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:14:03,053 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)