./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product24.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 a933c7098679a6972748d486040a9bdf507acce33a33e1309286157bdff8c762 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:19,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:19,828 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:19,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:19,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:19,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:19,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:19,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:19,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:19,877 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:19,877 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:19,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:19,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:19,881 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:19,881 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:19,881 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:19,881 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:19,882 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:19,882 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:19,882 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:19,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:19,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:19,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:19,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:19,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:19,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:19,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:19,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:19,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:19,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:19,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:19,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:19,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:19,887 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:19,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:19,887 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:19,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:19,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:19,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:19,889 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:19,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a933c7098679a6972748d486040a9bdf507acce33a33e1309286157bdff8c762 [2024-11-10 23:15:20,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:20,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:20,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:20,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:20,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:20,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2024-11-10 23:15:21,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:21,501 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:21,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2024-11-10 23:15:21,511 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf383192d/66f7d075410f416ead91e7740765f31e/FLAGfd819e703 [2024-11-10 23:15:21,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf383192d/66f7d075410f416ead91e7740765f31e [2024-11-10 23:15:21,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:21,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:21,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:21,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:21,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:21,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:21" (1/1) ... [2024-11-10 23:15:21,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e929dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:21, skipping insertion in model container [2024-11-10 23:15:21,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:21" (1/1) ... [2024-11-10 23:15:21,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:22,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:22,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:22,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-10 23:15:22,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2024-11-10 23:15:22,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] [2024-11-10 23:15:22,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590] [2024-11-10 23:15:22,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [799] [2024-11-10 23:15:22,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [889] [2024-11-10 23:15:22,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [916] [2024-11-10 23:15:22,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [951] [2024-11-10 23:15:22,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:22,268 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:22,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22 WrapperNode [2024-11-10 23:15:22,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:22,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:22,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:22,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:22,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,314 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 83, statements flattened = 515 [2024-11-10 23:15:22,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:22,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:22,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:22,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:22,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,326 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,343 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:15:22,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,349 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:22,355 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:22,355 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:22,355 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:22,356 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (1/1) ... [2024-11-10 23:15:22,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:22,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:22,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:15:22,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:15:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:22,483 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:22,485 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:22,785 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:15:22,785 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:15:22,785 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L845-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-10 23:15:22,785 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L948-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2024-11-10 23:15:22,785 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:22,785 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:22,785 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L886-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:22,786 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L773-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:22,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:15:22,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:15:22,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:15:22,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:15:22,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-10 23:15:22,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-10 23:15:22,787 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L877-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-10 23:15:22,804 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:22,804 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:22,821 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:22,821 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:22,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:22 BoogieIcfgContainer [2024-11-10 23:15:22,821 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:22,822 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:22,822 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:22,826 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:22,826 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:22,826 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:21" (1/3) ... [2024-11-10 23:15:22,827 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19a951f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:22, skipping insertion in model container [2024-11-10 23:15:22,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:22,827 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:22" (2/3) ... [2024-11-10 23:15:22,827 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19a951f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:22, skipping insertion in model container [2024-11-10 23:15:22,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:22,828 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:22" (3/3) ... [2024-11-10 23:15:22,828 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2024-11-10 23:15:22,875 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:22,875 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:22,875 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:22,875 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:22,875 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:22,875 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:22,875 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:22,875 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:22,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:22,900 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2024-11-10 23:15:22,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:22,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:22,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:22,908 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:22,908 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:22,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:22,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2024-11-10 23:15:22,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:22,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:22,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:22,921 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:22,925 INFO L745 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 34#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 158#L939true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 91#L932true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 57#L947true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 66#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 133#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 68#L532true [2024-11-10 23:15:22,927 INFO L747 eck$LassoCheckResult]: Loop: 68#L532true assume true; 39#L532-1true assume !false;assume true; 99#L534true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 10#L542true assume !(0 != test_~tmp~4#1); 159#L550true havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 48#L552true assume !(0 != test_~tmp___0~0#1); 28#L560true havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 92#L562true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 46#L570true assume !(0 != test_~tmp___1~0#1); 14#L579true assume { :begin_inline_timeShift } true; 104#L606-2true assume !(0 != ~pumpRunning~0); 94#L613-2true assume !(0 != ~systemActive~0); 31#L621-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 100#L876-2true assume true;__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 126#L899-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 61#L913-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 35#L623-2true assume true;assume { :end_inline_timeShift } true; 68#L532true [2024-11-10 23:15:22,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:22,934 INFO L85 PathProgramCache]: Analyzing trace with hash -347883724, now seen corresponding path program 1 times [2024-11-10 23:15:22,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:22,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608912918] [2024-11-10 23:15:22,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:22,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:23,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:23,044 INFO L85 PathProgramCache]: Analyzing trace with hash -438317000, now seen corresponding path program 1 times [2024-11-10 23:15:23,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:23,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006752993] [2024-11-10 23:15:23,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:23,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:23,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:23,064 INFO L85 PathProgramCache]: Analyzing trace with hash -89062043, now seen corresponding path program 1 times [2024-11-10 23:15:23,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:23,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594313367] [2024-11-10 23:15:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:23,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:23,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:23,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594313367] [2024-11-10 23:15:23,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594313367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:23,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:23,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:15:23,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820195838] [2024-11-10 23:15:23,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:23,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:23,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:15:23,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:15:23,353 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:23,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:23,450 INFO L93 Difference]: Finished difference Result 360 states and 462 transitions. [2024-11-10 23:15:23,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 360 states and 462 transitions. [2024-11-10 23:15:23,457 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 232 [2024-11-10 23:15:23,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 360 states to 327 states and 429 transitions. [2024-11-10 23:15:23,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 327 [2024-11-10 23:15:23,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 327 [2024-11-10 23:15:23,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 327 states and 429 transitions. [2024-11-10 23:15:23,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:23,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 327 states and 429 transitions. [2024-11-10 23:15:23,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states and 429 transitions. [2024-11-10 23:15:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 192. [2024-11-10 23:15:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 192 states have (on average 1.3125) internal successors, (252), 191 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2024-11-10 23:15:23,494 INFO L240 hiAutomatonCegarLoop]: Abstraction has 192 states and 252 transitions. [2024-11-10 23:15:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 23:15:23,498 INFO L425 stractBuchiCegarLoop]: Abstraction has 192 states and 252 transitions. [2024-11-10 23:15:23,498 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:23,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states and 252 transitions. [2024-11-10 23:15:23,501 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 135 [2024-11-10 23:15:23,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:23,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:23,501 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:23,501 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:23,501 INFO L745 eck$LassoCheckResult]: Stem: 675#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 589#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 590#L939 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 657#L932 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 626#L947 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 627#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 636#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 592#L532 [2024-11-10 23:15:23,502 INFO L747 eck$LassoCheckResult]: Loop: 592#L532 assume true; 597#L532-1 assume !false;assume true; 598#L534 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 551#L542 assume !(0 != test_~tmp~4#1); 553#L550 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 613#L552 assume !(0 != test_~tmp___0~0#1); 568#L560 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 582#L562 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 658#L796 assume true;assume { :end_inline_startSystem } true; 559#L579 assume { :begin_inline_timeShift } true; 560#L606-2 assume !(0 != ~pumpRunning~0); 607#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 659#L664-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret32#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 649#L638-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 651#L630-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 546#L656-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret32#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 557#L682-2 assume true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 558#L621-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~8#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 585#L876-2 assume true;__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 662#L899-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8#1); 630#L913-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~8#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 591#L623-2 assume true;assume { :end_inline_timeShift } true; 592#L532 [2024-11-10 23:15:23,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:23,502 INFO L85 PathProgramCache]: Analyzing trace with hash -347883724, now seen corresponding path program 2 times [2024-11-10 23:15:23,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:23,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748012120] [2024-11-10 23:15:23,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:23,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:23,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:23,514 INFO L85 PathProgramCache]: Analyzing trace with hash 813290638, now seen corresponding path program 1 times [2024-11-10 23:15:23,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:23,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91033322] [2024-11-10 23:15:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:23,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:23,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:23,523 INFO L85 PathProgramCache]: Analyzing trace with hash 871093121, now seen corresponding path program 1 times [2024-11-10 23:15:23,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:23,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410203409] [2024-11-10 23:15:23,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:23,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:23,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:24,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:24,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:24 BoogieIcfgContainer [2024-11-10 23:15:24,230 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:24,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:24,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:24,232 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:24,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:22" (3/4) ... [2024-11-10 23:15:24,233 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:24,276 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:24,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:24,277 INFO L158 Benchmark]: Toolchain (without parser) took 2374.54ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 97.6MB in the end (delta: 32.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-11-10 23:15:24,280 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 151.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:24,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.17ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 108.1MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:15:24,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.57ms. Allocated memory is still 184.5MB. Free memory was 108.1MB in the beginning and 105.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:24,281 INFO L158 Benchmark]: Boogie Preprocessor took 39.49ms. Allocated memory is still 184.5MB. Free memory was 105.2MB in the beginning and 102.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:24,281 INFO L158 Benchmark]: IcfgBuilder took 466.59ms. Allocated memory is still 184.5MB. Free memory was 102.4MB in the beginning and 72.4MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-10 23:15:24,282 INFO L158 Benchmark]: BuchiAutomizer took 1407.80ms. Allocated memory is still 184.5MB. Free memory was 72.4MB in the beginning and 100.7MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:24,282 INFO L158 Benchmark]: Witness Printer took 46.28ms. Allocated memory is still 184.5MB. Free memory was 99.7MB in the beginning and 97.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:24,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 151.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.17ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 108.1MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.57ms. Allocated memory is still 184.5MB. Free memory was 108.1MB in the beginning and 105.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.49ms. Allocated memory is still 184.5MB. Free memory was 105.2MB in the beginning and 102.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 466.59ms. Allocated memory is still 184.5MB. Free memory was 102.4MB in the beginning and 72.4MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1407.80ms. Allocated memory is still 184.5MB. Free memory was 72.4MB in the beginning and 100.7MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.28ms. Allocated memory is still 184.5MB. Free memory was 99.7MB in the beginning and 97.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590] - GenericResultAtLocation [Line: 799]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [799] - GenericResultAtLocation [Line: 889]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [889] - GenericResultAtLocation [Line: 916]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [916] - GenericResultAtLocation [Line: 951]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [951] * 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 6 locations. The remainder module has 192 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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, 135 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, 531 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 531 mSDsluCounter, 842 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 642 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 200 mSDtfsCounter, 38 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: 532]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L801] int waterLevel = 1; [L802] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L943] int retValue_acc ; [L946] retValue_acc = 1 [L947] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L523] int splverifierCounter ; [L524] int tmp ; [L525] int tmp___0 ; [L526] int tmp___1 ; [L527] int tmp___2 ; [L530] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L532] COND TRUE 1 [L534] COND TRUE splverifierCounter < 4 [L540] tmp = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp)) [L550] tmp___0 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___0)) [L560] tmp___2 = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp___2) [L564] CALL startSystem() [L795] systemActive = 1 [L564] RET startSystem() [L579] CALL timeShift() [L606] COND FALSE !(\read(pumpRunning)) [L613] COND TRUE \read(systemActive) [L615] CALL processEnvironment() [L661] int tmp ; [L664] COND FALSE !(\read(pumpRunning)) [L679] CALL processEnvironment__wrappee__lowWaterSensor() [L635] int tmp ; [L638] COND FALSE !(\read(pumpRunning)) [L653] FCALL processEnvironment__wrappee__base() [L679] RET processEnvironment__wrappee__lowWaterSensor() [L615] RET processEnvironment() [L621] CALL __utac_acc__Specification4_spec__1() [L892] int tmp ; [L893] int tmp___0 ; [L897] CALL, EXPR getWaterLevel() [L872] int retValue_acc ; [L875] retValue_acc = waterLevel [L876] return (retValue_acc); [L897] RET, EXPR getWaterLevel() [L897] tmp = getWaterLevel() [L899] COND FALSE !(tmp == 0) [L621] RET __utac_acc__Specification4_spec__1() [L579] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 532]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L801] int waterLevel = 1; [L802] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L943] int retValue_acc ; [L946] retValue_acc = 1 [L947] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L523] int splverifierCounter ; [L524] int tmp ; [L525] int tmp___0 ; [L526] int tmp___1 ; [L527] int tmp___2 ; [L530] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L532] COND TRUE 1 [L534] COND TRUE splverifierCounter < 4 [L540] tmp = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp)) [L550] tmp___0 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___0)) [L560] tmp___2 = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp___2) [L564] CALL startSystem() [L795] systemActive = 1 [L564] RET startSystem() [L579] CALL timeShift() [L606] COND FALSE !(\read(pumpRunning)) [L613] COND TRUE \read(systemActive) [L615] CALL processEnvironment() [L661] int tmp ; [L664] COND FALSE !(\read(pumpRunning)) [L679] CALL processEnvironment__wrappee__lowWaterSensor() [L635] int tmp ; [L638] COND FALSE !(\read(pumpRunning)) [L653] FCALL processEnvironment__wrappee__base() [L679] RET processEnvironment__wrappee__lowWaterSensor() [L615] RET processEnvironment() [L621] CALL __utac_acc__Specification4_spec__1() [L892] int tmp ; [L893] int tmp___0 ; [L897] CALL, EXPR getWaterLevel() [L872] int retValue_acc ; [L875] retValue_acc = waterLevel [L876] return (retValue_acc); [L897] RET, EXPR getWaterLevel() [L897] tmp = getWaterLevel() [L899] COND FALSE !(tmp == 0) [L621] RET __utac_acc__Specification4_spec__1() [L579] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:24,307 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)