./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product14.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_product14.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 37bdd92631e81c01c51ebd807d460322f5c06468d29e758a509cd7d583a377da --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:56,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:56,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:56,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:56,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:56,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:56,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:56,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:56,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:56,443 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:56,443 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:56,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:56,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:56,445 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:56,445 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:56,447 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:56,447 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:56,447 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:56,448 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:56,448 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:56,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:56,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:56,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:56,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:56,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:56,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:56,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:56,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:56,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:56,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:56,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:56,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:56,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:56,450 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:56,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:56,451 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:56,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:56,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:56,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:56,451 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:56,452 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37bdd92631e81c01c51ebd807d460322f5c06468d29e758a509cd7d583a377da [2024-11-10 23:15:56,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:56,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:56,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:56,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:56,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:56,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2024-11-10 23:15:57,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:58,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:58,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2024-11-10 23:15:58,019 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/857928a52/d911bd774df546be9cade4765335756a/FLAG9ca99e565 [2024-11-10 23:15:58,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/857928a52/d911bd774df546be9cade4765335756a [2024-11-10 23:15:58,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:58,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:58,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:58,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:58,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:58,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccb548d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58, skipping insertion in model container [2024-11-10 23:15:58,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:58,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:58,652 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:58,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-11-10 23:15:58,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] [2024-11-10 23:15:58,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] [2024-11-10 23:15:58,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] [2024-11-10 23:15:58,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] [2024-11-10 23:15:58,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] [2024-11-10 23:15:58,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] [2024-11-10 23:15:58,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] [2024-11-10 23:15:58,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:58,738 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:58,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58 WrapperNode [2024-11-10 23:15:58,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:58,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:58,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:58,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:58,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,823 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 58, statements flattened = 350 [2024-11-10 23:15:58,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:58,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:58,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:58,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:58,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,859 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 23:15:58,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,866 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:58,873 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:58,873 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:58,873 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:58,874 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (1/1) ... [2024-11-10 23:15:58,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:58,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:58,902 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 23:15:58,904 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 23:15:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:59,004 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:59,008 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:59,270 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L203-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:15:59,270 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L683-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:15:59,270 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L683-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:15:59,270 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L683-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:15:59,271 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L816-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:15:59,271 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L816-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:15:59,271 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L816-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-10 23:15:59,271 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:15:59,271 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:15:59,271 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:15:59,271 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L918-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2024-11-10 23:15:59,271 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:59,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:59,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:59,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:59,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:59,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:15:59,298 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:59,300 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:59,312 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:59,312 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:59,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:59 BoogieIcfgContainer [2024-11-10 23:15:59,312 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:59,313 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:59,313 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:59,316 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:59,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:59,317 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:58" (1/3) ... [2024-11-10 23:15:59,318 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@263b99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:59, skipping insertion in model container [2024-11-10 23:15:59,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:59,318 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:58" (2/3) ... [2024-11-10 23:15:59,318 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@263b99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:59, skipping insertion in model container [2024-11-10 23:15:59,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:59,318 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:59" (3/3) ... [2024-11-10 23:15:59,319 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2024-11-10 23:15:59,356 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:59,356 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:59,357 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:59,357 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:59,357 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:59,357 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:59,357 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:59,357 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:59,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 109 states have internal predecessors, (146), 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 23:15:59,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-10 23:15:59,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:59,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:59,387 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:59,387 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 23:15:59,387 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:59,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 109 states have internal predecessors, (146), 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 23:15:59,392 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-10 23:15:59,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:59,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:59,393 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:59,393 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 23:15:59,396 INFO L745 eck$LassoCheckResult]: Stem: 97#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);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 28#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 48#L909true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 77#L902true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 90#L917true assume true;main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 49#L193true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 10#L165true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 85#L59true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 82#L830true [2024-11-10 23:15:59,396 INFO L747 eck$LassoCheckResult]: Loop: 82#L830true assume true; 104#L830-1true assume !false;assume true; 3#L832true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 84#L840true assume !(0 != test_~tmp~7#1); 40#L848true havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 99#L850true assume !(0 != test_~tmp___0~1#1); 59#L858true havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 86#L860true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 34#L736true assume true;assume { :end_inline_startSystem } true; 13#L875true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 62#L691-5true assume true;__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 83#L69-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 107#L589-2true assume !(0 != ~pumpRunning~0); 92#L596-2true assume !(0 != ~systemActive~0); 54#L604-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 89#L815-2true assume true;__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 20#L80-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 63#L98-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 73#L606-2true assume true;assume { :end_inline_timeShift } true; 82#L830true [2024-11-10 23:15:59,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:59,400 INFO L85 PathProgramCache]: Analyzing trace with hash 959318810, now seen corresponding path program 1 times [2024-11-10 23:15:59,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:59,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642990497] [2024-11-10 23:15:59,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:59,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:59,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:59,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:59,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:59,516 INFO L85 PathProgramCache]: Analyzing trace with hash -256457680, now seen corresponding path program 1 times [2024-11-10 23:15:59,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:59,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155561902] [2024-11-10 23:15:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:59,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:59,596 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 23:15:59,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:59,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155561902] [2024-11-10 23:15:59,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155561902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:59,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:59,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:59,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305135900] [2024-11-10 23:15:59,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:59,602 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:59,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:59,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:59,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:59,627 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 109 states have internal predecessors, (146), 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 23:15:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:59,663 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2024-11-10 23:15:59,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 130 transitions. [2024-11-10 23:15:59,667 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2024-11-10 23:15:59,672 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 93 states and 118 transitions. [2024-11-10 23:15:59,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2024-11-10 23:15:59,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2024-11-10 23:15:59,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 118 transitions. [2024-11-10 23:15:59,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:59,677 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 118 transitions. [2024-11-10 23:15:59,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 118 transitions. [2024-11-10 23:15:59,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-10 23:15:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 92 states have internal predecessors, (118), 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 23:15:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 118 transitions. [2024-11-10 23:15:59,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 118 transitions. [2024-11-10 23:15:59,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:59,708 INFO L425 stractBuchiCegarLoop]: Abstraction has 93 states and 118 transitions. [2024-11-10 23:15:59,709 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:59,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 118 transitions. [2024-11-10 23:15:59,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2024-11-10 23:15:59,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:59,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:59,715 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:59,715 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 23:15:59,715 INFO L745 eck$LassoCheckResult]: Stem: 311#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);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 285#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 286#L909 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 289#L902 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 290#L917 assume true;main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 307#L193 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 247#L165 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 248#L59 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 273#L830 [2024-11-10 23:15:59,716 INFO L747 eck$LassoCheckResult]: Loop: 273#L830 assume true; 295#L830-1 assume !false;assume true; 223#L832 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 225#L840 assume !(0 != test_~tmp~7#1); 227#L848 havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 309#L850 assume !(0 != test_~tmp___0~1#1); 238#L858 havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 239#L860 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 301#L736 assume true;assume { :end_inline_startSystem } true; 252#L875 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 253#L691-5 assume true;__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 254#L69-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 296#L589-2 assume !(0 != ~pumpRunning~0); 235#L596-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 277#L621-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 279#L613-5 assume true;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 245#L639-2 assume true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 283#L604-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 306#L815-2 assume true;__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 270#L80-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 229#L98-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 255#L606-2 assume true;assume { :end_inline_timeShift } true; 273#L830 [2024-11-10 23:15:59,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:59,717 INFO L85 PathProgramCache]: Analyzing trace with hash 959318810, now seen corresponding path program 2 times [2024-11-10 23:15:59,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:59,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362513876] [2024-11-10 23:15:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:59,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:59,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:59,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:59,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:59,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1161176998, now seen corresponding path program 1 times [2024-11-10 23:15:59,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:59,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966059760] [2024-11-10 23:15:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:59,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:59,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:59,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:59,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:59,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1471026689, now seen corresponding path program 1 times [2024-11-10 23:15:59,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:59,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381563861] [2024-11-10 23:15:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:59,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:59,928 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 23:15:59,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:59,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381563861] [2024-11-10 23:15:59,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381563861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:59,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:59,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:15:59,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738846190] [2024-11-10 23:15:59,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:00,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:00,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:16:00,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:16:00,030 INFO L87 Difference]: Start difference. First operand 93 states and 118 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 23:16:00,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:00,131 INFO L93 Difference]: Finished difference Result 174 states and 217 transitions. [2024-11-10 23:16:00,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 174 states and 217 transitions. [2024-11-10 23:16:00,133 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 118 [2024-11-10 23:16:00,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 174 states to 174 states and 217 transitions. [2024-11-10 23:16:00,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2024-11-10 23:16:00,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2024-11-10 23:16:00,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 217 transitions. [2024-11-10 23:16:00,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:00,139 INFO L218 hiAutomatonCegarLoop]: Abstraction has 174 states and 217 transitions. [2024-11-10 23:16:00,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 217 transitions. [2024-11-10 23:16:00,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-10 23:16:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 174 states have (on average 1.2471264367816093) internal successors, (217), 173 states have internal predecessors, (217), 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 23:16:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 217 transitions. [2024-11-10 23:16:00,150 INFO L240 hiAutomatonCegarLoop]: Abstraction has 174 states and 217 transitions. [2024-11-10 23:16:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:00,153 INFO L425 stractBuchiCegarLoop]: Abstraction has 174 states and 217 transitions. [2024-11-10 23:16:00,154 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:16:00,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 174 states and 217 transitions. [2024-11-10 23:16:00,155 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 118 [2024-11-10 23:16:00,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:00,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:00,156 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:00,157 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 23:16:00,157 INFO L745 eck$LassoCheckResult]: Stem: 600#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);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 566#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 567#L909 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 570#L902 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 571#L917 assume true;main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 593#L193 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 527#L165 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 528#L59 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 554#L830 [2024-11-10 23:16:00,157 INFO L747 eck$LassoCheckResult]: Loop: 554#L830 assume true; 578#L830-1 assume !false;assume true; 504#L832 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 506#L840 assume !(0 != test_~tmp~7#1); 580#L848 havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 595#L850 assume !(0 != test_~tmp___0~1#1); 519#L858 havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 520#L860 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet50#1;test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 568#L868 assume 0 != test_~tmp___1~0#1; 532#L875 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 533#L691-5 assume true;__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 534#L69-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 579#L589-2 assume !(0 != ~pumpRunning~0); 605#L596-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 645#L621-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 591#L613-5 assume true;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 525#L639-2 assume true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 564#L604-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 592#L815-2 assume true;__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 550#L80-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 551#L691-4 assume true;__utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 565#L84-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 510#L98-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 535#L606-2 assume true;assume { :end_inline_timeShift } true; 554#L830 [2024-11-10 23:16:00,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:00,158 INFO L85 PathProgramCache]: Analyzing trace with hash 959318810, now seen corresponding path program 3 times [2024-11-10 23:16:00,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:00,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875228739] [2024-11-10 23:16:00,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:00,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:00,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:00,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:00,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:00,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1727314116, now seen corresponding path program 1 times [2024-11-10 23:16:00,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:00,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092588773] [2024-11-10 23:16:00,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:00,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:00,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:00,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:00,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:00,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1915308253, now seen corresponding path program 1 times [2024-11-10 23:16:00,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:00,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000237982] [2024-11-10 23:16:00,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:00,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:00,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:00,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:00,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:16:00 BoogieIcfgContainer [2024-11-10 23:16:00,985 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:16:00,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:16:00,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:16:00,987 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:16:00,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:59" (3/4) ... [2024-11-10 23:16:00,989 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:16:01,036 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:16:01,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:16:01,038 INFO L158 Benchmark]: Toolchain (without parser) took 2634.29ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 133.9MB in the beginning and 175.1MB in the end (delta: -41.2MB). Peak memory consumption was 511.0kB. Max. memory is 16.1GB. [2024-11-10 23:16:01,038 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:01,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.24ms. Allocated memory is still 178.3MB. Free memory was 133.7MB in the beginning and 112.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:16:01,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.60ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 145.4MB in the end (delta: -32.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:16:01,039 INFO L158 Benchmark]: Boogie Preprocessor took 48.25ms. Allocated memory is still 178.3MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:01,039 INFO L158 Benchmark]: IcfgBuilder took 439.34ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 119.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:01,039 INFO L158 Benchmark]: BuchiAutomizer took 1672.32ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 119.2MB in the beginning and 178.2MB in the end (delta: -59.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:01,039 INFO L158 Benchmark]: Witness Printer took 51.79ms. Allocated memory is still 220.2MB. Free memory was 178.2MB in the beginning and 175.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:01,042 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 100.7MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.24ms. Allocated memory is still 178.3MB. Free memory was 133.7MB in the beginning and 112.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.60ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 145.4MB in the end (delta: -32.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.25ms. Allocated memory is still 178.3MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 439.34ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 119.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1672.32ms. Allocated memory was 178.3MB in the beginning and 220.2MB in the end (delta: 41.9MB). Free memory was 119.2MB in the beginning and 178.2MB in the end (delta: -59.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 51.79ms. Allocated memory is still 220.2MB. Free memory was 178.2MB in the beginning and 175.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] - GenericResultAtLocation [Line: 206]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] - GenericResultAtLocation [Line: 739]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] - GenericResultAtLocation [Line: 819]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] - GenericResultAtLocation [Line: 886]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] * 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 174 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 623 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 359 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 264 mSDtfsCounter, 66 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: 830]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int switchedOnBeforeTS ; [L102] int cleanupTimeShifts = 4; [L376] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L579] int pumpRunning = 0; [L580] int systemActive = 1; [L740] int waterLevel = 1; [L741] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L184] int retValue_acc ; [L185] int tmp ; [L189] FCALL select_helpers() [L190] FCALL select_features() [L191] CALL, EXPR valid_product() [L913] int retValue_acc ; [L916] retValue_acc = 1 [L917] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L191] RET, EXPR valid_product() [L191] tmp = valid_product() [L193] COND TRUE \read(tmp) [L195] FCALL setup() [L196] CALL runTest() [L174] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L174] RET __utac_acc__Specification5_spec__1() [L175] CALL test() [L821] int splverifierCounter ; [L822] int tmp ; [L823] int tmp___0 ; [L824] int tmp___1 ; [L825] int tmp___2 ; [L828] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L830] COND TRUE 1 [L832] COND TRUE splverifierCounter < 4 [L838] tmp = __VERIFIER_nondet_int() [L840] COND FALSE !(\read(tmp)) [L848] tmp___0 = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp___0)) [L858] tmp___2 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___2)) [L866] tmp___1 = __VERIFIER_nondet_int() [L868] COND TRUE \read(tmp___1) [L875] CALL timeShift() [L587] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L587] RET __utac_acc__Specification5_spec__2() [L589] COND FALSE !(\read(pumpRunning)) [L596] COND TRUE \read(systemActive) [L598] CALL processEnvironment() [L618] int tmp ; [L621] COND FALSE !(\read(pumpRunning)) [L636] FCALL processEnvironment__wrappee__methaneQuery() [L598] RET processEnvironment() [L604] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L811] int retValue_acc ; [L814] retValue_acc = waterLevel [L815] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L604] RET __utac_acc__Specification5_spec__3() [L875] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 830]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L102] int cleanupTimeShifts = 4; [L376] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L579] int pumpRunning = 0; [L580] int systemActive = 1; [L740] int waterLevel = 1; [L741] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L184] int retValue_acc ; [L185] int tmp ; [L189] FCALL select_helpers() [L190] FCALL select_features() [L191] CALL, EXPR valid_product() [L913] int retValue_acc ; [L916] retValue_acc = 1 [L917] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L191] RET, EXPR valid_product() [L191] tmp = valid_product() [L193] COND TRUE \read(tmp) [L195] FCALL setup() [L196] CALL runTest() [L174] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L174] RET __utac_acc__Specification5_spec__1() [L175] CALL test() [L821] int splverifierCounter ; [L822] int tmp ; [L823] int tmp___0 ; [L824] int tmp___1 ; [L825] int tmp___2 ; [L828] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L830] COND TRUE 1 [L832] COND TRUE splverifierCounter < 4 [L838] tmp = __VERIFIER_nondet_int() [L840] COND FALSE !(\read(tmp)) [L848] tmp___0 = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp___0)) [L858] tmp___2 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___2)) [L866] tmp___1 = __VERIFIER_nondet_int() [L868] COND TRUE \read(tmp___1) [L875] CALL timeShift() [L587] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L587] RET __utac_acc__Specification5_spec__2() [L589] COND FALSE !(\read(pumpRunning)) [L596] COND TRUE \read(systemActive) [L598] CALL processEnvironment() [L618] int tmp ; [L621] COND FALSE !(\read(pumpRunning)) [L636] FCALL processEnvironment__wrappee__methaneQuery() [L598] RET processEnvironment() [L604] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L811] int retValue_acc ; [L814] retValue_acc = waterLevel [L815] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L687] int retValue_acc ; [L690] retValue_acc = pumpRunning [L691] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L604] RET __utac_acc__Specification5_spec__3() [L875] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:16:01,061 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)