./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_product22.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 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:54,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:54,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:54,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:54,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:54,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:54,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:54,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:54,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:54,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:54,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:54,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:54,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:54,476 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:54,476 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:54,476 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:54,476 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:54,477 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:54,477 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:54,477 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:54,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:54,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:54,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:54,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:54,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:54,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:54,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:54,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:54,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:54,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:54,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:54,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:54,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:54,482 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:54,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:54,483 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:54,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:54,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:54,483 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:54,484 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:54,485 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 [2024-11-10 23:13:54,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:54,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:54,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:54,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:54,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:54,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2024-11-10 23:13:55,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:56,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:56,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2024-11-10 23:13:56,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6c449c9/55dda9a8b09c454682600ee6289a3d1e/FLAG1f3552ec0 [2024-11-10 23:13:56,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca6c449c9/55dda9a8b09c454682600ee6289a3d1e [2024-11-10 23:13:56,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:56,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:56,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:56,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:56,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:56,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc2a9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56, skipping insertion in model container [2024-11-10 23:13:56,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:56,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:56,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:56,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:13:56,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2024-11-10 23:13:56,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [521] [2024-11-10 23:13:56,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [716] [2024-11-10 23:13:56,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [783] [2024-11-10 23:13:56,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [792] [2024-11-10 23:13:56,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [831] [2024-11-10 23:13:56,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [921] [2024-11-10 23:13:56,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:56,909 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:56,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56 WrapperNode [2024-11-10 23:13:56,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:56,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:56,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:56,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:56,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,957 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 524 [2024-11-10 23:13:56,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:56,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:56,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:56,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:56,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,978 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 23:13:56,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:56,992 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:56,992 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:56,992 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:56,992 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (1/1) ... [2024-11-10 23:13:56,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:57,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:57,023 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 23:13:57,024 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 23:13:57,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:57,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:57,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:57,109 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:57,111 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:57,462 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:57,462 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:57,462 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-10 23:13:57,463 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L650-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:57,463 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L918-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:13:57,463 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L918-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:13:57,463 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L918-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:13:57,463 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L918-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:13:57,463 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L918-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:13:57,463 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L918-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L705-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L705-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L705-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L705-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L705-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L953-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L705-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:57,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:57,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L641-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:57,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:57,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:57,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:57,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:57,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:57,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:13:57,485 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:57,485 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:57,500 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:57,500 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:57,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:57 BoogieIcfgContainer [2024-11-10 23:13:57,501 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:57,501 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:57,501 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:57,504 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:57,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:57,505 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:56" (1/3) ... [2024-11-10 23:13:57,506 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f3d6820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:57, skipping insertion in model container [2024-11-10 23:13:57,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:57,506 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:56" (2/3) ... [2024-11-10 23:13:57,506 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f3d6820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:57, skipping insertion in model container [2024-11-10 23:13:57,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:57,506 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:57" (3/3) ... [2024-11-10 23:13:57,507 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2024-11-10 23:13:57,545 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:57,545 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:57,545 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:57,545 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:57,545 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:57,545 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:57,545 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:57,546 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:57,549 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 23:13:57,566 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-10 23:13:57,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:57,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:57,572 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:57,572 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 23:13:57,572 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:57,572 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 23:13:57,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-10 23:13:57,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:57,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:57,579 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:57,579 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 23:13:57,583 INFO L745 eck$LassoCheckResult]: Stem: 142#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 26#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 6#L944true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 90#L937true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 159#L952true assume true;main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 31#L508true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 70#L479true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 147#L799true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 17#L727true [2024-11-10 23:13:57,584 INFO L747 eck$LassoCheckResult]: Loop: 17#L727true assume true; 76#L727-1true assume !false;assume true; 36#L729true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 23#L737true assume !(0 != test_~tmp~7#1); 79#L745true havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 13#L747true assume !(0 != test_~tmp___0~1#1); 22#L755true havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 59#L757true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet43#1;test_~tmp___1~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 98#L765true assume 0 != test_~tmp___1~0#1; 5#L772true assume { :begin_inline_timeShift } true; 15#L538-2true assume !(0 != ~pumpRunning~0); 78#L545-2true assume !(0 != ~systemActive~0); 77#L553-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 62#L876-4true assume true;__utac_acc__Specification2_spec__2_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret44#1;havoc __utac_acc__Specification2_spec__2_#t~ret44#1; 21#L810-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 69#L828-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 56#L555-2true assume true;assume { :end_inline_timeShift } true; 17#L727true [2024-11-10 23:13:57,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:57,587 INFO L85 PathProgramCache]: Analyzing trace with hash 465436954, now seen corresponding path program 1 times [2024-11-10 23:13:57,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:57,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113569570] [2024-11-10 23:13:57,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:57,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:57,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:57,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:57,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:57,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2025843338, now seen corresponding path program 1 times [2024-11-10 23:13:57,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:57,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649267081] [2024-11-10 23:13:57,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:57,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:57,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:57,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:57,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:57,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1667451261, now seen corresponding path program 1 times [2024-11-10 23:13:57,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:57,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000958913] [2024-11-10 23:13:57,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:57,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:57,924 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 23:13:57,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:57,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000958913] [2024-11-10 23:13:57,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000958913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:57,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:57,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:13:57,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899463478] [2024-11-10 23:13:57,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:57,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:58,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:58,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:58,027 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 23:13:58,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:58,054 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions. [2024-11-10 23:13:58,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions. [2024-11-10 23:13:58,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2024-11-10 23:13:58,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 141 states and 184 transitions. [2024-11-10 23:13:58,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2024-11-10 23:13:58,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2024-11-10 23:13:58,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 184 transitions. [2024-11-10 23:13:58,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:58,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 141 states and 184 transitions. [2024-11-10 23:13:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 184 transitions. [2024-11-10 23:13:58,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-10 23:13:58,099 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 23:13:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2024-11-10 23:13:58,102 INFO L240 hiAutomatonCegarLoop]: Abstraction has 141 states and 184 transitions. [2024-11-10 23:13:58,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:58,106 INFO L425 stractBuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2024-11-10 23:13:58,107 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:58,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 184 transitions. [2024-11-10 23:13:58,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2024-11-10 23:13:58,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:58,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:58,111 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:58,111 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 23:13:58,111 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 364#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 326#L944 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 327#L937 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 436#L952 assume true;main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 371#L508 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 372#L479 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 424#L799 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 348#L727 [2024-11-10 23:13:58,112 INFO L747 eck$LassoCheckResult]: Loop: 348#L727 assume true; 349#L727-1 assume !false;assume true; 381#L729 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet40#1;test_~tmp~7#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 357#L737 assume !(0 != test_~tmp~7#1); 359#L745 havoc test_#t~nondet41#1;test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 339#L747 assume !(0 != test_~tmp___0~1#1); 341#L755 havoc test_#t~nondet42#1;test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 356#L757 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 411#L713 assume true;assume { :end_inline_startSystem } true; 324#L772 assume { :begin_inline_timeShift } true; 325#L538-2 assume !(0 != ~pumpRunning~0); 345#L545-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 428#L596-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 451#L570-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 443#L562-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 333#L588-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret28#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 350#L614-2 assume true;havoc processEnvironment_#t~ret29#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 390#L553-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 414#L876-4 assume true;__utac_acc__Specification2_spec__2_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret44#1;havoc __utac_acc__Specification2_spec__2_#t~ret44#1; 354#L810-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 335#L828-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret44#1, __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 408#L555-2 assume true;assume { :end_inline_timeShift } true; 348#L727 [2024-11-10 23:13:58,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:58,112 INFO L85 PathProgramCache]: Analyzing trace with hash 465436954, now seen corresponding path program 2 times [2024-11-10 23:13:58,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:58,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429600991] [2024-11-10 23:13:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:58,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:58,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:58,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:58,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:58,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2067472171, now seen corresponding path program 1 times [2024-11-10 23:13:58,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:58,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859939036] [2024-11-10 23:13:58,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:58,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:58,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:58,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:58,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:58,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1904994002, now seen corresponding path program 1 times [2024-11-10 23:13:58,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:58,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913698284] [2024-11-10 23:13:58,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:58,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:58,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:58,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:58,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:58,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:58 BoogieIcfgContainer [2024-11-10 23:13:58,912 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:58,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:58,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:58,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:58,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:57" (3/4) ... [2024-11-10 23:13:58,915 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:58,952 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:58,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:58,953 INFO L158 Benchmark]: Toolchain (without parser) took 2478.82ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 111.8MB in the beginning and 173.3MB in the end (delta: -61.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:58,953 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:58,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.47ms. Allocated memory is still 182.5MB. Free memory was 111.6MB in the beginning and 151.6MB in the end (delta: -39.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:58,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.72ms. Allocated memory is still 182.5MB. Free memory was 151.6MB in the beginning and 148.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:58,954 INFO L158 Benchmark]: Boogie Preprocessor took 32.46ms. Allocated memory is still 182.5MB. Free memory was 148.3MB in the beginning and 145.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:58,954 INFO L158 Benchmark]: IcfgBuilder took 509.10ms. Allocated memory is still 182.5MB. Free memory was 145.3MB in the beginning and 114.7MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 23:13:58,955 INFO L158 Benchmark]: BuchiAutomizer took 1411.33ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 114.7MB in the beginning and 175.4MB in the end (delta: -60.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:58,955 INFO L158 Benchmark]: Witness Printer took 39.23ms. Allocated memory is still 264.2MB. Free memory was 175.4MB in the beginning and 173.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:58,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.47ms. Allocated memory is still 182.5MB. Free memory was 111.6MB in the beginning and 151.6MB in the end (delta: -39.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.72ms. Allocated memory is still 182.5MB. Free memory was 151.6MB in the beginning and 148.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.46ms. Allocated memory is still 182.5MB. Free memory was 148.3MB in the beginning and 145.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 509.10ms. Allocated memory is still 182.5MB. Free memory was 145.3MB in the beginning and 114.7MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1411.33ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 114.7MB in the beginning and 175.4MB in the end (delta: -60.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 39.23ms. Allocated memory is still 264.2MB. Free memory was 175.4MB in the beginning and 173.3MB 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,"Test.i","") [415] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [521] - GenericResultAtLocation [Line: 716]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [716] - GenericResultAtLocation [Line: 783]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [783] - GenericResultAtLocation [Line: 792]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [792] - GenericResultAtLocation [Line: 831]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [831] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [921] * 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 1.3s 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, 0.0s 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: 727]: 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; [L416] int cleanupTimeShifts = 4; [L530] int pumpRunning = 0; [L531] int systemActive = 1; [L793] int methAndRunningLastTime ; [L833] int waterLevel = 1; [L834] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L948] int retValue_acc ; [L951] retValue_acc = 1 [L952] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification2_spec__1() [L798] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification2_spec__1() [L490] CALL test() [L718] int splverifierCounter ; [L719] int tmp ; [L720] int tmp___0 ; [L721] int tmp___1 ; [L722] int tmp___2 ; [L725] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L727] COND TRUE 1 [L729] COND TRUE splverifierCounter < 4 [L735] tmp = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp)) [L745] tmp___0 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___0)) [L755] tmp___2 = __VERIFIER_nondet_int() [L757] COND TRUE \read(tmp___2) [L759] CALL startSystem() [L712] systemActive = 1 [L759] RET startSystem() [L772] CALL timeShift() [L538] COND FALSE !(\read(pumpRunning)) [L545] COND TRUE \read(systemActive) [L547] CALL processEnvironment() [L593] int tmp ; [L596] COND FALSE !(\read(pumpRunning)) [L611] CALL processEnvironment__wrappee__lowWaterSensor() [L567] int tmp ; [L570] COND FALSE !(\read(pumpRunning)) [L585] FCALL processEnvironment__wrappee__base() [L611] RET processEnvironment__wrappee__lowWaterSensor() [L547] RET processEnvironment() [L553] CALL __utac_acc__Specification2_spec__2() [L803] int tmp ; [L804] int tmp___0 ; [L808] CALL, EXPR isMethaneLevelCritical() [L872] int retValue_acc ; [L875] retValue_acc = methaneLevelCritical [L876] return (retValue_acc); [L808] RET, EXPR isMethaneLevelCritical() [L808] tmp = isMethaneLevelCritical() [L810] COND FALSE !(\read(tmp)) [L826] methAndRunningLastTime = 0 [L553] RET __utac_acc__Specification2_spec__2() [L772] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 727]: 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; [L416] int cleanupTimeShifts = 4; [L530] int pumpRunning = 0; [L531] int systemActive = 1; [L793] int methAndRunningLastTime ; [L833] int waterLevel = 1; [L834] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L948] int retValue_acc ; [L951] retValue_acc = 1 [L952] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification2_spec__1() [L798] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification2_spec__1() [L490] CALL test() [L718] int splverifierCounter ; [L719] int tmp ; [L720] int tmp___0 ; [L721] int tmp___1 ; [L722] int tmp___2 ; [L725] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L727] COND TRUE 1 [L729] COND TRUE splverifierCounter < 4 [L735] tmp = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp)) [L745] tmp___0 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___0)) [L755] tmp___2 = __VERIFIER_nondet_int() [L757] COND TRUE \read(tmp___2) [L759] CALL startSystem() [L712] systemActive = 1 [L759] RET startSystem() [L772] CALL timeShift() [L538] COND FALSE !(\read(pumpRunning)) [L545] COND TRUE \read(systemActive) [L547] CALL processEnvironment() [L593] int tmp ; [L596] COND FALSE !(\read(pumpRunning)) [L611] CALL processEnvironment__wrappee__lowWaterSensor() [L567] int tmp ; [L570] COND FALSE !(\read(pumpRunning)) [L585] FCALL processEnvironment__wrappee__base() [L611] RET processEnvironment__wrappee__lowWaterSensor() [L547] RET processEnvironment() [L553] CALL __utac_acc__Specification2_spec__2() [L803] int tmp ; [L804] int tmp___0 ; [L808] CALL, EXPR isMethaneLevelCritical() [L872] int retValue_acc ; [L875] retValue_acc = methaneLevelCritical [L876] return (retValue_acc); [L808] RET, EXPR isMethaneLevelCritical() [L808] tmp = isMethaneLevelCritical() [L810] COND FALSE !(\read(tmp)) [L826] methAndRunningLastTime = 0 [L553] RET __utac_acc__Specification2_spec__2() [L772] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:58,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)