./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 3289d67d 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_product31.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 bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:25,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:25,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:25,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:25,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:25,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:25,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:25,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:25,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:25,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:25,210 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:25,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:25,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:25,212 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:25,212 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:25,213 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:25,213 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:25,213 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:25,213 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:25,213 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:25,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:25,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:25,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:25,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:25,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:25,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:25,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:25,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:25,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:25,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:25,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:25,219 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:25,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:25,220 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:25,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:25,221 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:25,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:25,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:25,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:25,221 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:25,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2024-11-17 08:46:25,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:25,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:25,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:25,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:25,464 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:25,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-11-17 08:46:26,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:27,023 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:27,023 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2024-11-17 08:46:27,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a773ad7/e1a7f2cd06524c7caab5e1783ac0bed3/FLAG9da876f18 [2024-11-17 08:46:27,415 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a773ad7/e1a7f2cd06524c7caab5e1783ac0bed3 [2024-11-17 08:46:27,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:27,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:27,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:27,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:27,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:27,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66747801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27, skipping insertion in model container [2024-11-17 08:46:27,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:27,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:27,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:27,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-17 08:46:27,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [121] [2024-11-17 08:46:27,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2024-11-17 08:46:27,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [349] [2024-11-17 08:46:27,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [387] [2024-11-17 08:46:27,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [753] [2024-11-17 08:46:27,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [792] [2024-11-17 08:46:27,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [889] [2024-11-17 08:46:27,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:27,873 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:27,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27 WrapperNode [2024-11-17 08:46:27,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:27,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:27,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:27,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:27,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,924 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 528 [2024-11-17 08:46:27,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:27,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:27,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:27,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:27,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,940 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,961 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]. [2024-11-17 08:46:27,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:27,992 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:27,994 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:27,994 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:27,995 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (1/1) ... [2024-11-17 08:46:27,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:28,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:28,025 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) [2024-11-17 08:46:28,028 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 [2024-11-17 08:46:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:28,152 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:28,154 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:28,853 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:46:28,853 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:46:28,853 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:46:28,853 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L384-1: valid_product_#res#1 := valid_product_~retValue_acc~4#1; [2024-11-17 08:46:28,853 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-1: main_#res#1 := main_~retValue_acc~8#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L276-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L276-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L276-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:28,854 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L331-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:28,855 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:28,855 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:28,855 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:28,855 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:28,855 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:28,855 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:28,900 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:28,900 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:28,916 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:28,916 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:28,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:28 BoogieIcfgContainer [2024-11-17 08:46:28,917 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:28,918 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:28,918 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:28,921 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:28,921 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:28,921 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:27" (1/3) ... [2024-11-17 08:46:28,922 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f95ce50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:28, skipping insertion in model container [2024-11-17 08:46:28,922 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:28,922 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:27" (2/3) ... [2024-11-17 08:46:28,922 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f95ce50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:28, skipping insertion in model container [2024-11-17 08:46:28,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:28,923 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:28" (3/3) ... [2024-11-17 08:46:28,924 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2024-11-17 08:46:28,968 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:28,968 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:28,968 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:28,968 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:28,969 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:28,969 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:28,969 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:28,969 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:28,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.345679012345679) internal successors, (218), 162 states have internal predecessors, (218), 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) [2024-11-17 08:46:28,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2024-11-17 08:46:28,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:28,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:29,001 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:29,001 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:29,001 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:29,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.345679012345679) internal successors, (218), 162 states have internal predecessors, (218), 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) [2024-11-17 08:46:29,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2024-11-17 08:46:29,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:29,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:29,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:29,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:29,017 INFO L745 eck$LassoCheckResult]: Stem: 148#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);~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; 36#ULTIMATE.init_returnLabel#1true assume true;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; 21#L375true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 135#L368true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 55#L383true assume true;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; 119#L876true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 22#L852true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 66#L760true assume true;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; 164#L65true [2024-11-17 08:46:29,017 INFO L747 eck$LassoCheckResult]: Loop: 164#L65true assume true; 69#L65-1true assume !false; 23#test_while_0_continue#1true assume true; 146#L67true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 76#L75true assume !(0 != test_~tmp~0#1); 33#L83true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 44#L85true assume !(0 != test_~tmp___0~0#1); 43#L93true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 108#L95true assume 0 != test_~tmp___2~0#1; 88#L110true assume { :begin_inline_timeShift } true; 103#L147-2true assume !(0 != ~pumpRunning~0); 163#L154-2true assume !(0 != ~systemActive~0); 72#L162-2true 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; 9#L934-4true assume true;__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; 77#L771-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 53#L789-2true assume 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;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 75#L164-2true assume true;assume { :end_inline_timeShift } true; 164#L65true [2024-11-17 08:46:29,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:29,023 INFO L85 PathProgramCache]: Analyzing trace with hash -144805222, now seen corresponding path program 1 times [2024-11-17 08:46:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:29,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452134036] [2024-11-17 08:46:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:29,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:29,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1190336126, now seen corresponding path program 1 times [2024-11-17 08:46:29,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:29,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328715103] [2024-11-17 08:46:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:29,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:29,169 INFO L85 PathProgramCache]: Analyzing trace with hash 458284041, now seen corresponding path program 1 times [2024-11-17 08:46:29,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:29,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703493856] [2024-11-17 08:46:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:29,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:29,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:29,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703493856] [2024-11-17 08:46:29,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703493856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:29,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:29,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:46:29,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957756652] [2024-11-17 08:46:29,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:29,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:29,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:29,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:29,510 INFO L87 Difference]: Start difference. First operand has 163 states, 162 states have (on average 1.345679012345679) internal successors, (218), 162 states have internal predecessors, (218), 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) [2024-11-17 08:46:29,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:29,566 INFO L93 Difference]: Finished difference Result 305 states and 397 transitions. [2024-11-17 08:46:29,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 305 states and 397 transitions. [2024-11-17 08:46:29,576 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 194 [2024-11-17 08:46:29,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 305 states to 283 states and 374 transitions. [2024-11-17 08:46:29,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283 [2024-11-17 08:46:29,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283 [2024-11-17 08:46:29,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 283 states and 374 transitions. [2024-11-17 08:46:29,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:29,590 INFO L218 hiAutomatonCegarLoop]: Abstraction has 283 states and 374 transitions. [2024-11-17 08:46:29,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states and 374 transitions. [2024-11-17 08:46:29,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 280. [2024-11-17 08:46:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 280 states have (on average 1.3214285714285714) internal successors, (370), 279 states have internal predecessors, (370), 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) [2024-11-17 08:46:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 370 transitions. [2024-11-17 08:46:29,633 INFO L240 hiAutomatonCegarLoop]: Abstraction has 280 states and 370 transitions. [2024-11-17 08:46:29,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:29,637 INFO L425 stractBuchiCegarLoop]: Abstraction has 280 states and 370 transitions. [2024-11-17 08:46:29,638 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:29,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 280 states and 370 transitions. [2024-11-17 08:46:29,641 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 194 [2024-11-17 08:46:29,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:29,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:29,643 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:29,643 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] [2024-11-17 08:46:29,643 INFO L745 eck$LassoCheckResult]: Stem: 642#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);~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; 538#ULTIMATE.init_returnLabel#1 assume true;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; 512#L375 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 513#L368 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 563#L383 assume true;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; 564#L876 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 514#L852 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 515#L760 assume true;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; 576#L65 [2024-11-17 08:46:29,644 INFO L747 eck$LassoCheckResult]: Loop: 576#L65 assume true; 666#L65-1 assume !false; 665#test_while_0_continue#1 assume true; 641#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 585#L75 assume !(0 != test_~tmp~0#1); 534#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 535#L85 assume !(0 != test_~tmp___0~0#1); 549#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 550#L95 assume 0 != test_~tmp___2~0#1; 596#L110 assume { :begin_inline_timeShift } true; 597#L147-2 assume !(0 != ~pumpRunning~0); 610#L154-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 645#L205-2 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; 621#L179-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 623#L171-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 672#L197-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 572#L223-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 573#L162-2 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; 491#L934-4 assume true;__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; 492#L771-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 668#L789-2 assume 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;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 667#L164-2 assume true;assume { :end_inline_timeShift } true; 576#L65 [2024-11-17 08:46:29,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:29,644 INFO L85 PathProgramCache]: Analyzing trace with hash -144805222, now seen corresponding path program 2 times [2024-11-17 08:46:29,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:29,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623634965] [2024-11-17 08:46:29,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:29,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:29,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:29,677 INFO L85 PathProgramCache]: Analyzing trace with hash 494125096, now seen corresponding path program 1 times [2024-11-17 08:46:29,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:29,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311042662] [2024-11-17 08:46:29,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:29,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:29,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:29,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2009773567, now seen corresponding path program 1 times [2024-11-17 08:46:29,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:29,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659529814] [2024-11-17 08:46:29,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:29,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:29,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:30,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:30,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:30 BoogieIcfgContainer [2024-11-17 08:46:30,461 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:30,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:30,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:30,465 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:30,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:28" (3/4) ... [2024-11-17 08:46:30,467 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:30,521 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:30,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:30,525 INFO L158 Benchmark]: Toolchain (without parser) took 3106.99ms. Allocated memory was 176.2MB in the beginning and 314.6MB in the end (delta: 138.4MB). Free memory was 106.8MB in the beginning and 208.9MB in the end (delta: -102.2MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:30,527 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 133.2MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:30,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.50ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 144.5MB in the end (delta: -38.0MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-17 08:46:30,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.69ms. Allocated memory is still 176.2MB. Free memory was 144.5MB in the beginning and 141.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:30,528 INFO L158 Benchmark]: Boogie Preprocessor took 61.48ms. Allocated memory is still 176.2MB. Free memory was 141.0MB in the beginning and 138.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:30,528 INFO L158 Benchmark]: IcfgBuilder took 925.54ms. Allocated memory is still 176.2MB. Free memory was 138.3MB in the beginning and 108.2MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-17 08:46:30,528 INFO L158 Benchmark]: BuchiAutomizer took 1543.84ms. Allocated memory was 176.2MB in the beginning and 314.6MB in the end (delta: 138.4MB). Free memory was 108.2MB in the beginning and 212.1MB in the end (delta: -103.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:30,529 INFO L158 Benchmark]: Witness Printer took 62.31ms. Allocated memory is still 314.6MB. Free memory was 212.1MB in the beginning and 208.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:30,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 133.2MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.50ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 144.5MB in the end (delta: -38.0MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.69ms. Allocated memory is still 176.2MB. Free memory was 144.5MB in the beginning and 141.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.48ms. Allocated memory is still 176.2MB. Free memory was 141.0MB in the beginning and 138.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 925.54ms. Allocated memory is still 176.2MB. Free memory was 138.3MB in the beginning and 108.2MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1543.84ms. Allocated memory was 176.2MB in the beginning and 314.6MB in the end (delta: 138.4MB). Free memory was 108.2MB in the beginning and 212.1MB in the end (delta: -103.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Witness Printer took 62.31ms. Allocated memory is still 314.6MB. Free memory was 212.1MB in the beginning and 208.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"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 280 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 181 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 402 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 189 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 213 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! [2024-11-17 08:46:30,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)