./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:45:11,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:45:11,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:45:11,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:45:11,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:45:11,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:45:11,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:45:11,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:45:11,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:45:11,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:45:11,074 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:45:11,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:45:11,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:45:11,075 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:45:11,075 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:45:11,075 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:45:11,075 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:45:11,075 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:45:11,075 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:45:11,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:45:11,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:45:11,077 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:45:11,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:45:11,077 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:45:11,077 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:45:11,077 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:45:11,077 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:45:11,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:45:11,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:45:11,077 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:45:11,077 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:45:11,077 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2025-02-06 19:45:11,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:45:11,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:45:11,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:45:11,347 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:45:11,348 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:45:11,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2025-02-06 19:45:12,701 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7b749640/bdd0b200550643f3b1efc87063df74c6/FLAG0c200b8eb [2025-02-06 19:45:13,058 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:45:13,059 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2025-02-06 19:45:13,076 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7b749640/bdd0b200550643f3b1efc87063df74c6/FLAG0c200b8eb [2025-02-06 19:45:13,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7b749640/bdd0b200550643f3b1efc87063df74c6 [2025-02-06 19:45:13,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:45:13,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:45:13,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:45:13,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:45:13,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:45:13,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c0dad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13, skipping insertion in model container [2025-02-06 19:45:13,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:45:13,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:45:13,471 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:45:13,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2025-02-06 19:45:13,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] [2025-02-06 19:45:13,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2025-02-06 19:45:13,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] [2025-02-06 19:45:13,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] [2025-02-06 19:45:13,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] [2025-02-06 19:45:13,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] [2025-02-06 19:45:13,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] [2025-02-06 19:45:13,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:45:13,591 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:45:13,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13 WrapperNode [2025-02-06 19:45:13,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:45:13,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:45:13,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:45:13,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:45:13,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,659 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 524 [2025-02-06 19:45:13,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:45:13,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:45:13,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:45:13,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:45:13,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,699 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]. [2025-02-06 19:45:13,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,706 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:45:13,715 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:45:13,715 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:45:13,715 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:45:13,716 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (1/1) ... [2025-02-06 19:45:13,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:45:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:45:13,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:45:13,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:45:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:45:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:45:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:45:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:45:13,842 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:45:13,844 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:45:14,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:45:14,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:45:14,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:45:14,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L384-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2025-02-06 19:45:14,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-02-06 19:45:14,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-02-06 19:45:14,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-1: main_#res#1 := main_~retValue_acc~8#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L276-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L276-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L276-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2025-02-06 19:45:14,275 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2025-02-06 19:45:14,276 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2025-02-06 19:45:14,276 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2025-02-06 19:45:14,293 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-02-06 19:45:14,293 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:45:14,301 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:45:14,301 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:45:14,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:14 BoogieIcfgContainer [2025-02-06 19:45:14,301 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:45:14,302 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:45:14,302 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:45:14,306 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:45:14,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:14,307 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:45:13" (1/3) ... [2025-02-06 19:45:14,308 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1099a07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:45:14, skipping insertion in model container [2025-02-06 19:45:14,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:14,308 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:13" (2/3) ... [2025-02-06 19:45:14,308 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1099a07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:45:14, skipping insertion in model container [2025-02-06 19:45:14,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:14,308 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:14" (3/3) ... [2025-02-06 19:45:14,309 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2025-02-06 19:45:14,347 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:45:14,348 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:45:14,348 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:45:14,348 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:45:14,348 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:45:14,348 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:45:14,348 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:45:14,348 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:45:14,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3417721518987342) internal successors, (212), 158 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) [2025-02-06 19:45:14,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2025-02-06 19:45:14,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:14,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:14,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:14,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:14,371 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:45:14,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 159 states, 158 states have (on average 1.3417721518987342) internal successors, (212), 158 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) [2025-02-06 19:45:14,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2025-02-06 19:45:14,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:14,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:14,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:14,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:14,381 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } 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;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:14,381 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#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~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#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;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:14,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:14,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1075679130, now seen corresponding path program 1 times [2025-02-06 19:45:14,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:14,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016204450] [2025-02-06 19:45:14,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:14,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:14,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:14,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:14,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:14,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:14,472 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:14,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:14,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:14,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:14,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:14,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:14,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:14,515 INFO L85 PathProgramCache]: Analyzing trace with hash -9018434, now seen corresponding path program 1 times [2025-02-06 19:45:14,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:14,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382788172] [2025-02-06 19:45:14,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:14,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:14,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:45:14,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:45:14,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:14,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:14,529 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:14,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:45:14,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:45:14,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:14,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:14,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:14,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:14,547 INFO L85 PathProgramCache]: Analyzing trace with hash 752258821, now seen corresponding path program 1 times [2025-02-06 19:45:14,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:14,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708331392] [2025-02-06 19:45:14,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:14,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:14,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:45:14,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:45:14,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:14,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:45:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:45:14,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:45:14,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708331392] [2025-02-06 19:45:14,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708331392] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:45:14,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:45:14,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:45:14,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311363874] [2025-02-06 19:45:14,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:45:14,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:45:14,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:45:14,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:45:14,860 INFO L87 Difference]: Start difference. First operand has 159 states, 158 states have (on average 1.3417721518987342) internal successors, (212), 158 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 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:45:14,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:45:14,917 INFO L93 Difference]: Finished difference Result 297 states and 389 transitions. [2025-02-06 19:45:14,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 297 states and 389 transitions. [2025-02-06 19:45:14,925 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 188 [2025-02-06 19:45:14,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 297 states to 277 states and 368 transitions. [2025-02-06 19:45:14,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 277 [2025-02-06 19:45:14,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 277 [2025-02-06 19:45:14,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 277 states and 368 transitions. [2025-02-06 19:45:14,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:45:14,938 INFO L218 hiAutomatonCegarLoop]: Abstraction has 277 states and 368 transitions. [2025-02-06 19:45:14,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states and 368 transitions. [2025-02-06 19:45:14,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 274. [2025-02-06 19:45:14,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 274 states have (on average 1.3284671532846715) internal successors, (364), 273 states have internal predecessors, (364), 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) [2025-02-06 19:45:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 364 transitions. [2025-02-06 19:45:14,974 INFO L240 hiAutomatonCegarLoop]: Abstraction has 274 states and 364 transitions. [2025-02-06 19:45:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:45:14,979 INFO L432 stractBuchiCegarLoop]: Abstraction has 274 states and 364 transitions. [2025-02-06 19:45:14,979 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:45:14,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 274 states and 364 transitions. [2025-02-06 19:45:14,982 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 188 [2025-02-06 19:45:14,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:14,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:14,983 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:14,983 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] [2025-02-06 19:45:14,984 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } 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;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:14,984 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#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~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1;" "__utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#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;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:14,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1075679130, now seen corresponding path program 2 times [2025-02-06 19:45:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:14,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872832376] [2025-02-06 19:45:14,985 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:45:14,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:14,991 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:15,003 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:15,004 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:45:15,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:15,004 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:15,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:15,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:15,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:15,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:15,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:15,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash 102603817, now seen corresponding path program 1 times [2025-02-06 19:45:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:15,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033067454] [2025-02-06 19:45:15,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:15,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 19:45:15,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:45:15,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:15,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:15,034 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:15,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 19:45:15,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 19:45:15,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:15,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:15,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:15,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:15,040 INFO L85 PathProgramCache]: Analyzing trace with hash 239625538, now seen corresponding path program 1 times [2025-02-06 19:45:15,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:15,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616311939] [2025-02-06 19:45:15,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:15,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:15,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:45:15,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:45:15,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:15,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:15,061 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:15,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:45:15,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:45:15,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:15,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:15,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:15,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:15,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:15,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:15,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:15,986 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:15,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:15,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:15,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:15,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:16,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:45:16 BoogieIcfgContainer [2025-02-06 19:45:16,052 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:45:16,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:45:16,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:45:16,053 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:45:16,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:14" (3/4) ... [2025-02-06 19:45:16,055 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:45:16,100 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:45:16,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:45:16,103 INFO L158 Benchmark]: Toolchain (without parser) took 2995.74ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 98.0MB in the end (delta: 14.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2025-02-06 19:45:16,103 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:16,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.07ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 93.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:45:16,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.62ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 91.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:16,104 INFO L158 Benchmark]: Boogie Preprocessor took 52.78ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:45:16,104 INFO L158 Benchmark]: IcfgBuilder took 586.64ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 60.6MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 19:45:16,104 INFO L158 Benchmark]: BuchiAutomizer took 1750.06ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 101.4MB in the end (delta: -40.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:16,104 INFO L158 Benchmark]: Witness Printer took 47.89ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 98.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:16,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.07ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 93.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.62ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 91.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.78ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 586.64ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 60.6MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1750.06ms. Allocated memory is still 142.6MB. Free memory was 60.6MB in the beginning and 101.4MB in the end (delta: -40.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.89ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 98.0MB in the end (delta: 3.4MB). There was no memory consumed. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 349]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] - GenericResultAtLocation [Line: 387]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] - GenericResultAtLocation [Line: 753]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] - GenericResultAtLocation [Line: 792]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] * 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 274 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 394 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 209 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L139] int pumpRunning = 0; [L140] int systemActive = 1; [L557] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L754] int methAndRunningLastTime ; [L793] int cleanupTimeShifts = 4; [L891] int waterLevel = 1; [L892] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L867] int retValue_acc ; [L868] int tmp ; [L872] FCALL select_helpers() [L873] FCALL select_features() [L874] CALL, EXPR valid_product() [L379] int retValue_acc ; [L382] retValue_acc = 1 [L383] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] RET, EXPR valid_product() [L874] tmp = valid_product() [L876] COND TRUE \read(tmp) [L878] FCALL setup() [L879] CALL runTest() [L860] CALL __utac_acc__Specification2_spec__1() [L759] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] RET __utac_acc__Specification2_spec__1() [L861] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L147] COND FALSE !(\read(pumpRunning)) [L154] COND TRUE \read(systemActive) [L156] CALL processEnvironment() [L202] int tmp ; [L205] COND FALSE !(\read(pumpRunning)) [L220] CALL processEnvironment__wrappee__methaneQuery() [L176] int tmp ; [L179] COND FALSE !(\read(pumpRunning)) [L194] FCALL processEnvironment__wrappee__base() [L220] RET processEnvironment__wrappee__methaneQuery() [L156] RET processEnvironment() [L162] CALL __utac_acc__Specification2_spec__2() [L764] int tmp ; [L765] int tmp___0 ; [L769] CALL, EXPR isMethaneLevelCritical() [L930] int retValue_acc ; [L933] retValue_acc = methaneLevelCritical [L934] return (retValue_acc); [L769] RET, EXPR isMethaneLevelCritical() [L769] tmp = isMethaneLevelCritical() [L771] COND FALSE !(\read(tmp)) [L787] methAndRunningLastTime = 0 [L162] RET __utac_acc__Specification2_spec__2() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L139] int pumpRunning = 0; [L140] int systemActive = 1; [L557] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L754] int methAndRunningLastTime ; [L793] int cleanupTimeShifts = 4; [L891] int waterLevel = 1; [L892] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L867] int retValue_acc ; [L868] int tmp ; [L872] FCALL select_helpers() [L873] FCALL select_features() [L874] CALL, EXPR valid_product() [L379] int retValue_acc ; [L382] retValue_acc = 1 [L383] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] RET, EXPR valid_product() [L874] tmp = valid_product() [L876] COND TRUE \read(tmp) [L878] FCALL setup() [L879] CALL runTest() [L860] CALL __utac_acc__Specification2_spec__1() [L759] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] RET __utac_acc__Specification2_spec__1() [L861] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L147] COND FALSE !(\read(pumpRunning)) [L154] COND TRUE \read(systemActive) [L156] CALL processEnvironment() [L202] int tmp ; [L205] COND FALSE !(\read(pumpRunning)) [L220] CALL processEnvironment__wrappee__methaneQuery() [L176] int tmp ; [L179] COND FALSE !(\read(pumpRunning)) [L194] FCALL processEnvironment__wrappee__base() [L220] RET processEnvironment__wrappee__methaneQuery() [L156] RET processEnvironment() [L162] CALL __utac_acc__Specification2_spec__2() [L764] int tmp ; [L765] int tmp___0 ; [L769] CALL, EXPR isMethaneLevelCritical() [L930] int retValue_acc ; [L933] retValue_acc = methaneLevelCritical [L934] return (retValue_acc); [L769] RET, EXPR isMethaneLevelCritical() [L769] tmp = isMethaneLevelCritical() [L771] COND FALSE !(\read(tmp)) [L787] methAndRunningLastTime = 0 [L162] RET __utac_acc__Specification2_spec__2() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:45:16,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)