./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_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_spec5_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 bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:16:02,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:16:02,520 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:16:02,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:16:02,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:16:02,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:16:02,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:16:02,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:16:02,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:16:02,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:16:02,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:16:02,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:16:02,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:16:02,588 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:16:02,588 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:16:02,588 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:16:02,589 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:16:02,589 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:16:02,589 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:16:02,592 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:16:02,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:16:02,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:16:02,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:16:02,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:16:02,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:16:02,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:16:02,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:16:02,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:16:02,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:16:02,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:16:02,595 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:16:02,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:16:02,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:16:02,595 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:16:02,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:16:02,595 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:16:02,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:16:02,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:16:02,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:16:02,596 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:16:02,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 [2024-11-10 23:16:02,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:16:02,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:16:02,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:16:02,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:16:02,838 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:16:02,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2024-11-10 23:16:04,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:16:04,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:16:04,328 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2024-11-10 23:16:04,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3ff04bb/5f9c4778af474ce6ad2e06cd1b24cda4/FLAG762c78236 [2024-11-10 23:16:04,357 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3ff04bb/5f9c4778af474ce6ad2e06cd1b24cda4 [2024-11-10 23:16:04,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:16:04,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:16:04,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:04,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:16:04,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:16:04,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354c3eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04, skipping insertion in model container [2024-11-10 23:16:04,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:16:04,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:04,659 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:16:04,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-10 23:16:04,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] [2024-11-10 23:16:04,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [249] [2024-11-10 23:16:04,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [284] [2024-11-10 23:16:04,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [495] [2024-11-10 23:16:04,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [564] [2024-11-10 23:16:04,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [930] [2024-11-10 23:16:04,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [980] [2024-11-10 23:16:04,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:04,769 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:16:04,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04 WrapperNode [2024-11-10 23:16:04,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:04,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:04,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:16:04,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:16:04,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,810 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 57, calls inlined = 90, statements flattened = 555 [2024-11-10 23:16:04,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:04,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:16:04,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:16:04,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:16:04,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,822 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,833 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 23:16:04,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,839 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:16:04,853 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:16:04,853 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:16:04,853 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:16:04,854 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (1/1) ... [2024-11-10 23:16:04,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:16:04,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:16:04,888 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 23:16:04,889 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 23:16:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:16:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:16:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:16:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:16:04,984 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:16:04,986 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:16:05,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L152-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:16:05,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L237-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:16:05,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L237-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:16:05,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L237-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-10 23:16:05,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:16:05,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L205-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L405-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~6#1; [2024-11-10 23:16:05,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L246-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L246-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L246-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L246-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L246-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L246-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L281-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:16:05,302 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; [2024-11-10 23:16:05,324 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-10 23:16:05,324 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:16:05,336 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:16:05,336 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:16:05,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:05 BoogieIcfgContainer [2024-11-10 23:16:05,337 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:16:05,337 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:16:05,338 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:16:05,340 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:16:05,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:05,341 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:16:04" (1/3) ... [2024-11-10 23:16:05,342 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26ce9c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:05, skipping insertion in model container [2024-11-10 23:16:05,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:05,342 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:04" (2/3) ... [2024-11-10 23:16:05,342 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26ce9c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:05, skipping insertion in model container [2024-11-10 23:16:05,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:05,342 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:05" (3/3) ... [2024-11-10 23:16:05,343 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2024-11-10 23:16:05,381 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:16:05,382 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:16:05,382 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:16:05,382 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:16:05,382 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:16:05,382 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:16:05,382 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:16:05,382 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:16:05,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 168 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 167 states have internal predecessors, (223), 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 23:16:05,403 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2024-11-10 23:16:05,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:05,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:05,409 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:05,410 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] [2024-11-10 23:16:05,410 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:16:05,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 168 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 167 states have internal predecessors, (223), 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 23:16:05,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2024-11-10 23:16:05,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:05,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:05,418 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:05,418 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] [2024-11-10 23:16:05,422 INFO L745 eck$LassoCheckResult]: Stem: 149#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 35#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; 53#L272true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 81#L265true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 113#L280true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 121#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 138#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 140#L938true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 142#L506true [2024-11-10 23:16:05,422 INFO L747 eck$LassoCheckResult]: Loop: 142#L506true assume true; 85#L506-1true assume !false;assume true; 41#L508true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet23#1;test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 99#L516true assume !(0 != test_~tmp~4#1); 34#L524true havoc test_#t~nondet24#1;test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 114#L526true assume !(0 != test_~tmp___0~1#1); 107#L534true havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 79#L536true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 146#L492true assume true;assume { :end_inline_startSystem } true; 93#L553true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 74#L413-5true assume true;__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 5#L948-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 141#L302-2true assume !(0 != ~pumpRunning~0); 168#L309-2true assume !(0 != ~systemActive~0); 55#L317-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 71#L236-2true assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 103#L959-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 150#L977-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 22#L319-2true assume true;assume { :end_inline_timeShift } true; 142#L506true [2024-11-10 23:16:05,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1756602982, now seen corresponding path program 1 times [2024-11-10 23:16:05,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:05,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115005177] [2024-11-10 23:16:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:05,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:05,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:05,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:05,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:05,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1109110827, now seen corresponding path program 1 times [2024-11-10 23:16:05,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:05,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131767987] [2024-11-10 23:16:05,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:05,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:05,637 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 23:16:05,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:05,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131767987] [2024-11-10 23:16:05,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131767987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:05,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:05,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:16:05,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267286576] [2024-11-10 23:16:05,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:05,644 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:05,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:05,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:16:05,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:16:05,673 INFO L87 Difference]: Start difference. First operand has 168 states, 167 states have (on average 1.3353293413173652) internal successors, (223), 167 states have internal predecessors, (223), 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 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23:16:05,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:05,773 INFO L93 Difference]: Finished difference Result 314 states and 406 transitions. [2024-11-10 23:16:05,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 406 transitions. [2024-11-10 23:16:05,787 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 202 [2024-11-10 23:16:05,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 292 states and 383 transitions. [2024-11-10 23:16:05,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 292 [2024-11-10 23:16:05,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 292 [2024-11-10 23:16:05,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 292 states and 383 transitions. [2024-11-10 23:16:05,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:05,795 INFO L218 hiAutomatonCegarLoop]: Abstraction has 292 states and 383 transitions. [2024-11-10 23:16:05,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states and 383 transitions. [2024-11-10 23:16:05,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 289. [2024-11-10 23:16:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 289 states have (on average 1.3114186851211074) internal successors, (379), 288 states have internal predecessors, (379), 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 23:16:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 379 transitions. [2024-11-10 23:16:05,826 INFO L240 hiAutomatonCegarLoop]: Abstraction has 289 states and 379 transitions. [2024-11-10 23:16:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:16:05,829 INFO L425 stractBuchiCegarLoop]: Abstraction has 289 states and 379 transitions. [2024-11-10 23:16:05,830 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:16:05,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 289 states and 379 transitions. [2024-11-10 23:16:05,832 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199 [2024-11-10 23:16:05,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:05,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:05,833 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:05,833 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, 1, 1] [2024-11-10 23:16:05,833 INFO L745 eck$LassoCheckResult]: Stem: 678#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 549#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; 550#L272 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 581#L265 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 613#L280 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 648#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 659#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 670#L938 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 524#L506 [2024-11-10 23:16:05,833 INFO L747 eck$LassoCheckResult]: Loop: 524#L506 assume true; 615#L506-1 assume !false;assume true; 616#L508 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet23#1;test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 632#L516 assume !(0 != test_~tmp~4#1); 634#L524 havoc test_#t~nondet24#1;test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 649#L526 assume !(0 != test_~tmp___0~1#1); 608#L534 havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 610#L536 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 611#L492 assume true;assume { :end_inline_startSystem } true; 626#L553 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 627#L413-5 assume true;__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 687#L948-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 671#L302-2 assume !(0 != ~pumpRunning~0); 594#L309-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 644#L360-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 571#L334-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 572#L326-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 698#L352-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 696#L378-2 assume true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 695#L317-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 694#L236-2 assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 692#L959-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 679#L977-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 523#L319-2 assume true;assume { :end_inline_timeShift } true; 524#L506 [2024-11-10 23:16:05,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:05,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1756602982, now seen corresponding path program 2 times [2024-11-10 23:16:05,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:05,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649027199] [2024-11-10 23:16:05,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:05,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:05,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:05,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:05,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:05,851 INFO L85 PathProgramCache]: Analyzing trace with hash 231802860, now seen corresponding path program 1 times [2024-11-10 23:16:05,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:05,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415844668] [2024-11-10 23:16:05,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:05,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:05,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:05,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:05,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:05,865 INFO L85 PathProgramCache]: Analyzing trace with hash 234121861, now seen corresponding path program 1 times [2024-11-10 23:16:05,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:05,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088628983] [2024-11-10 23:16:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:05,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:06,002 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 23:16:06,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:06,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088628983] [2024-11-10 23:16:06,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088628983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:06,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:06,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:16:06,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895213135] [2024-11-10 23:16:06,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:06,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:06,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:16:06,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:16:06,131 INFO L87 Difference]: Start difference. First operand 289 states and 379 transitions. cyclomatic complexity: 93 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 23:16:06,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:06,233 INFO L93 Difference]: Finished difference Result 568 states and 740 transitions. [2024-11-10 23:16:06,233 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 568 states and 740 transitions. [2024-11-10 23:16:06,239 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 396 [2024-11-10 23:16:06,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 568 states to 568 states and 740 transitions. [2024-11-10 23:16:06,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 568 [2024-11-10 23:16:06,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 568 [2024-11-10 23:16:06,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 568 states and 740 transitions. [2024-11-10 23:16:06,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:06,253 INFO L218 hiAutomatonCegarLoop]: Abstraction has 568 states and 740 transitions. [2024-11-10 23:16:06,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states and 740 transitions. [2024-11-10 23:16:06,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 568. [2024-11-10 23:16:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 568 states have (on average 1.3028169014084507) internal successors, (740), 567 states have internal predecessors, (740), 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 23:16:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 740 transitions. [2024-11-10 23:16:06,280 INFO L240 hiAutomatonCegarLoop]: Abstraction has 568 states and 740 transitions. [2024-11-10 23:16:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:06,281 INFO L425 stractBuchiCegarLoop]: Abstraction has 568 states and 740 transitions. [2024-11-10 23:16:06,281 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:16:06,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 568 states and 740 transitions. [2024-11-10 23:16:06,283 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 396 [2024-11-10 23:16:06,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:06,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:06,287 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:06,287 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, 1, 1, 1, 1] [2024-11-10 23:16:06,287 INFO L745 eck$LassoCheckResult]: Stem: 1524#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 1420#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; 1421#L272 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1452#L265 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1480#L280 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1505#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1511#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1521#L938 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1522#L506 [2024-11-10 23:16:06,287 INFO L747 eck$LassoCheckResult]: Loop: 1522#L506 assume true; 1810#L506-1 assume !false;assume true; 1808#L508 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet23#1;test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 1806#L516 assume !(0 != test_~tmp~4#1); 1417#L524 havoc test_#t~nondet24#1;test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 1418#L526 assume !(0 != test_~tmp___0~1#1); 1476#L534 havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 1477#L536 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1478#L492 assume true;assume { :end_inline_startSystem } true; 1492#L553 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1474#L413-5 assume true;__utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 1371#L948-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1372#L302-2 assume !(0 != ~pumpRunning~0); 1463#L309-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1530#L360-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 1836#L334-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1835#L326-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1832#L352-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1829#L378-2 assume true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1828#L317-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 1827#L236-2 assume true;__utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1826#L959-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1825#L413-4 assume true;__utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 1824#L963-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1822#L977-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1821#L319-2 assume true;assume { :end_inline_timeShift } true; 1522#L506 [2024-11-10 23:16:06,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:06,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1756602982, now seen corresponding path program 3 times [2024-11-10 23:16:06,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:06,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596450750] [2024-11-10 23:16:06,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:06,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:06,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:06,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:06,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:06,310 INFO L85 PathProgramCache]: Analyzing trace with hash -576358806, now seen corresponding path program 1 times [2024-11-10 23:16:06,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:06,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482383855] [2024-11-10 23:16:06,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:06,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:06,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:06,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:06,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:06,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1652201155, now seen corresponding path program 1 times [2024-11-10 23:16:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:06,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584780932] [2024-11-10 23:16:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:06,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:06,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:06,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:06,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:07,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:16:07 BoogieIcfgContainer [2024-11-10 23:16:07,009 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:16:07,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:16:07,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:16:07,010 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:16:07,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:05" (3/4) ... [2024-11-10 23:16:07,011 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:16:07,048 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:16:07,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:16:07,049 INFO L158 Benchmark]: Toolchain (without parser) took 2688.80ms. Allocated memory was 146.8MB in the beginning and 249.6MB in the end (delta: 102.8MB). Free memory was 78.4MB in the beginning and 125.2MB in the end (delta: -46.8MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-11-10 23:16:07,049 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 111.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:07,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.23ms. Allocated memory was 146.8MB in the beginning and 249.6MB in the end (delta: 102.8MB). Free memory was 78.2MB in the beginning and 217.7MB in the end (delta: -139.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-10 23:16:07,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.71ms. Allocated memory is still 249.6MB. Free memory was 217.7MB in the beginning and 214.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:07,050 INFO L158 Benchmark]: Boogie Preprocessor took 41.57ms. Allocated memory is still 249.6MB. Free memory was 214.6MB in the beginning and 211.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:07,050 INFO L158 Benchmark]: IcfgBuilder took 483.70ms. Allocated memory is still 249.6MB. Free memory was 211.4MB in the beginning and 180.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-10 23:16:07,050 INFO L158 Benchmark]: BuchiAutomizer took 1671.57ms. Allocated memory is still 249.6MB. Free memory was 180.0MB in the beginning and 128.4MB in the end (delta: 51.6MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-10 23:16:07,051 INFO L158 Benchmark]: Witness Printer took 38.89ms. Allocated memory is still 249.6MB. Free memory was 128.4MB in the beginning and 125.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:07,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 111.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.23ms. Allocated memory was 146.8MB in the beginning and 249.6MB in the end (delta: 102.8MB). Free memory was 78.2MB in the beginning and 217.7MB in the end (delta: -139.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.71ms. Allocated memory is still 249.6MB. Free memory was 217.7MB in the beginning and 214.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.57ms. Allocated memory is still 249.6MB. Free memory was 214.6MB in the beginning and 211.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 483.70ms. Allocated memory is still 249.6MB. Free memory was 211.4MB in the beginning and 180.0MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1671.57ms. Allocated memory is still 249.6MB. Free memory was 180.0MB in the beginning and 128.4MB in the end (delta: 51.6MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Witness Printer took 38.89ms. Allocated memory is still 249.6MB. Free memory was 128.4MB in the beginning and 125.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] - GenericResultAtLocation [Line: 249]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [249] - GenericResultAtLocation [Line: 284]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [284] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [495] - GenericResultAtLocation [Line: 564]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [564] - GenericResultAtLocation [Line: 930]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [930] - GenericResultAtLocation [Line: 980]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [980] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 568 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 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, 360 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 360 mSDsluCounter, 1116 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 718 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 398 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 506]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L734] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L932] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L276] int retValue_acc ; [L279] retValue_acc = 1 [L280] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L937] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L497] int splverifierCounter ; [L498] int tmp ; [L499] int tmp___0 ; [L500] int tmp___1 ; [L501] int tmp___2 ; [L504] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L506] COND TRUE 1 [L508] COND TRUE splverifierCounter < 4 [L514] tmp = __VERIFIER_nondet_int() [L516] COND FALSE !(\read(tmp)) [L524] tmp___0 = __VERIFIER_nondet_int() [L526] COND FALSE !(\read(tmp___0)) [L534] tmp___2 = __VERIFIER_nondet_int() [L536] COND TRUE \read(tmp___2) [L538] CALL startSystem() [L491] systemActive = 1 [L538] RET startSystem() [L553] CALL timeShift() [L300] CALL __utac_acc__Specification5_spec__2() [L946] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L946] RET, EXPR isPumpRunning() [L946] switchedOnBeforeTS = isPumpRunning() [L300] RET __utac_acc__Specification5_spec__2() [L302] COND FALSE !(\read(pumpRunning)) [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__lowWaterSensor() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] FCALL processEnvironment__wrappee__base() [L375] RET processEnvironment__wrappee__lowWaterSensor() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification5_spec__3() [L952] int tmp ; [L953] int tmp___0 ; [L957] CALL, EXPR getWaterLevel() [L232] int retValue_acc ; [L235] retValue_acc = waterLevel [L236] return (retValue_acc); [L957] RET, EXPR getWaterLevel() [L957] tmp = getWaterLevel() [L959] COND TRUE tmp != 2 [L961] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L961] RET, EXPR isPumpRunning() [L961] tmp___0 = isPumpRunning() [L963] COND FALSE !(\read(tmp___0)) [L317] RET __utac_acc__Specification5_spec__3() [L553] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 506]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L734] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L932] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L276] int retValue_acc ; [L279] retValue_acc = 1 [L280] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L937] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L497] int splverifierCounter ; [L498] int tmp ; [L499] int tmp___0 ; [L500] int tmp___1 ; [L501] int tmp___2 ; [L504] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L506] COND TRUE 1 [L508] COND TRUE splverifierCounter < 4 [L514] tmp = __VERIFIER_nondet_int() [L516] COND FALSE !(\read(tmp)) [L524] tmp___0 = __VERIFIER_nondet_int() [L526] COND FALSE !(\read(tmp___0)) [L534] tmp___2 = __VERIFIER_nondet_int() [L536] COND TRUE \read(tmp___2) [L538] CALL startSystem() [L491] systemActive = 1 [L538] RET startSystem() [L553] CALL timeShift() [L300] CALL __utac_acc__Specification5_spec__2() [L946] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L946] RET, EXPR isPumpRunning() [L946] switchedOnBeforeTS = isPumpRunning() [L300] RET __utac_acc__Specification5_spec__2() [L302] COND FALSE !(\read(pumpRunning)) [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__lowWaterSensor() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] FCALL processEnvironment__wrappee__base() [L375] RET processEnvironment__wrappee__lowWaterSensor() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification5_spec__3() [L952] int tmp ; [L953] int tmp___0 ; [L957] CALL, EXPR getWaterLevel() [L232] int retValue_acc ; [L235] retValue_acc = waterLevel [L236] return (retValue_acc); [L957] RET, EXPR getWaterLevel() [L957] tmp = getWaterLevel() [L959] COND TRUE tmp != 2 [L961] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L961] RET, EXPR isPumpRunning() [L961] tmp___0 = isPumpRunning() [L963] COND FALSE !(\read(tmp___0)) [L317] RET __utac_acc__Specification5_spec__3() [L553] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:16:07,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)