./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37bdd92631e81c01c51ebd807d460322f5c06468d29e758a509cd7d583a377da --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:47:08,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:47:08,561 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:47:08,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:47:08,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:47:08,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:47:08,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:47:08,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:47:08,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:47:08,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:47:08,584 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:47:08,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:47:08,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:47:08,585 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:47:08,585 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:47:08,585 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:47:08,585 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:47:08,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:47:08,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:47:08,587 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:47:08,587 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:47:08,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:47:08,587 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:47:08,587 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:47:08,587 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:47:08,588 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:47:08,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:47:08,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:47:08,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:47:08,588 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:47:08,588 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37bdd92631e81c01c51ebd807d460322f5c06468d29e758a509cd7d583a377da [2025-02-06 19:47:08,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:47:08,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:47:08,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:47:08,829 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:47:08,829 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:47:08,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2025-02-06 19:47:10,036 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59dac197a/621f8aa6c94241e4bbbfb633e1d351c9/FLAG5d2c014aa [2025-02-06 19:47:10,412 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:47:10,413 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2025-02-06 19:47:10,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59dac197a/621f8aa6c94241e4bbbfb633e1d351c9/FLAG5d2c014aa [2025-02-06 19:47:10,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59dac197a/621f8aa6c94241e4bbbfb633e1d351c9 [2025-02-06 19:47:10,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:47:10,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:47:10,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:10,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:47:10,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:47:10,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:10,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bee783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10, skipping insertion in model container [2025-02-06 19:47:10,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:10,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:47:10,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:10,873 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:47:10,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2025-02-06 19:47:10,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] [2025-02-06 19:47:10,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] [2025-02-06 19:47:10,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] [2025-02-06 19:47:10,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] [2025-02-06 19:47:10,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] [2025-02-06 19:47:10,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] [2025-02-06 19:47:10,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] [2025-02-06 19:47:10,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:10,935 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:47:10,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10 WrapperNode [2025-02-06 19:47:10,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:10,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:10,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:47:10,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:47:10,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:10,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:10,969 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 58, statements flattened = 346 [2025-02-06 19:47:10,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:10,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:47:10,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:47:10,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:47:10,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:10,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:10,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:10,993 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 19:47:10,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:10,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:11,000 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:11,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:11,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:11,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:11,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:47:11,011 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:47:11,011 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:47:11,011 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:47:11,014 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (1/1) ... [2025-02-06 19:47:11,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:11,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:11,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:47:11,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:47:11,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:47:11,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:47:11,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:47:11,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:47:11,215 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:47:11,218 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:47:11,546 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L203-1: main_#res#1 := main_~retValue_acc~0#1; [2025-02-06 19:47:11,546 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L683-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-02-06 19:47:11,546 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L683-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L683-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L816-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L816-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L816-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L784-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L918-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:47:11,547 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:47:11,549 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:47:11,549 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:47:11,549 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:47:11,549 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L692-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2025-02-06 19:47:11,570 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-02-06 19:47:11,570 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:47:11,577 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:47:11,577 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:47:11,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:11 BoogieIcfgContainer [2025-02-06 19:47:11,577 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:47:11,578 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:47:11,578 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:47:11,582 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:47:11,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:11,582 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:47:10" (1/3) ... [2025-02-06 19:47:11,583 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a960800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:11, skipping insertion in model container [2025-02-06 19:47:11,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:11,583 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:10" (2/3) ... [2025-02-06 19:47:11,583 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a960800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:11, skipping insertion in model container [2025-02-06 19:47:11,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:11,583 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:11" (3/3) ... [2025-02-06 19:47:11,584 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2025-02-06 19:47:11,615 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:47:11,616 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:47:11,616 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:47:11,616 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:47:11,616 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:47:11,616 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:47:11,616 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:47:11,616 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:47:11,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:11,632 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2025-02-06 19:47:11,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:11,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:11,637 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:11,637 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:11,637 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:47:11,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:11,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2025-02-06 19:47:11,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:11,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:11,641 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:11,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:11,645 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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;" "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;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "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;" [2025-02-06 19:47:11,646 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "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;" "__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;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "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;" "__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;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "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;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:11,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:11,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1154975514, now seen corresponding path program 1 times [2025-02-06 19:47:11,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:11,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40495972] [2025-02-06 19:47:11,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:11,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:11,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:11,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:11,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:11,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:11,712 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:11,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:11,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:11,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:11,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:11,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:11,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash 862337556, now seen corresponding path program 1 times [2025-02-06 19:47:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:11,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800624447] [2025-02-06 19:47:11,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:11,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:47:11,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:47:11,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:11,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:11,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:11,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800624447] [2025-02-06 19:47:11,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800624447] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:11,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:11,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:47:11,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697642109] [2025-02-06 19:47:11,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:11,808 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:47:11,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:11,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:47:11,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:47:11,826 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 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 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:11,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:11,851 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2025-02-06 19:47:11,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 128 transitions. [2025-02-06 19:47:11,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2025-02-06 19:47:11,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 92 states and 117 transitions. [2025-02-06 19:47:11,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2025-02-06 19:47:11,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2025-02-06 19:47:11,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 117 transitions. [2025-02-06 19:47:11,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:11,860 INFO L218 hiAutomatonCegarLoop]: Abstraction has 92 states and 117 transitions. [2025-02-06 19:47:11,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 117 transitions. [2025-02-06 19:47:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-02-06 19:47:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.2717391304347827) internal successors, (117), 91 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 117 transitions. [2025-02-06 19:47:11,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 117 transitions. [2025-02-06 19:47:11,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:47:11,881 INFO L432 stractBuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2025-02-06 19:47:11,881 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:47:11,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 117 transitions. [2025-02-06 19:47:11,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2025-02-06 19:47:11,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:11,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:11,883 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:11,883 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] [2025-02-06 19:47:11,883 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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;" "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;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "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;" [2025-02-06 19:47:11,884 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "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;" "__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;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "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;" "__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;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "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;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:11,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:11,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1154975514, now seen corresponding path program 2 times [2025-02-06 19:47:11,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:11,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126223530] [2025-02-06 19:47:11,885 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:47:11,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:11,890 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:11,894 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:11,895 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:47:11,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:11,895 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:11,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:11,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:11,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:11,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:11,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:11,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:11,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2051135554, now seen corresponding path program 1 times [2025-02-06 19:47:11,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:11,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429963816] [2025-02-06 19:47:11,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:11,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:11,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:47:11,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:47:11,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:11,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:11,913 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:11,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:47:11,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:47:11,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:11,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:11,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:11,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:11,919 INFO L85 PathProgramCache]: Analyzing trace with hash 633354821, now seen corresponding path program 1 times [2025-02-06 19:47:11,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:11,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202581463] [2025-02-06 19:47:11,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:11,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:11,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 19:47:11,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 19:47:11,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:11,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:12,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:12,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202581463] [2025-02-06 19:47:12,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202581463] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:12,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:12,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:47:12,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041368720] [2025-02-06 19:47:12,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:12,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:12,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:47:12,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:47:12,185 INFO L87 Difference]: Start difference. First operand 92 states and 117 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:12,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:12,388 INFO L93 Difference]: Finished difference Result 172 states and 215 transitions. [2025-02-06 19:47:12,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 172 states and 215 transitions. [2025-02-06 19:47:12,392 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 116 [2025-02-06 19:47:12,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 172 states to 172 states and 215 transitions. [2025-02-06 19:47:12,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 172 [2025-02-06 19:47:12,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172 [2025-02-06 19:47:12,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 172 states and 215 transitions. [2025-02-06 19:47:12,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:12,394 INFO L218 hiAutomatonCegarLoop]: Abstraction has 172 states and 215 transitions. [2025-02-06 19:47:12,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states and 215 transitions. [2025-02-06 19:47:12,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2025-02-06 19:47:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 172 states have (on average 1.25) internal successors, (215), 171 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 215 transitions. [2025-02-06 19:47:12,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 172 states and 215 transitions. [2025-02-06 19:47:12,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:47:12,414 INFO L432 stractBuchiCegarLoop]: Abstraction has 172 states and 215 transitions. [2025-02-06 19:47:12,414 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:47:12,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 215 transitions. [2025-02-06 19:47:12,415 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 116 [2025-02-06 19:47:12,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:12,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:12,415 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:12,415 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] [2025-02-06 19:47:12,415 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~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;" "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;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~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;" "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;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "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;" [2025-02-06 19:47:12,415 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "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;" "__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;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "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;" "__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;" "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;" "__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;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "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;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:12,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:12,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1154975514, now seen corresponding path program 3 times [2025-02-06 19:47:12,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:12,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744799301] [2025-02-06 19:47:12,416 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:47:12,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:12,426 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:12,434 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:12,437 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:47:12,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:12,437 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:12,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:12,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:12,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:12,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:12,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:12,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:12,445 INFO L85 PathProgramCache]: Analyzing trace with hash 248110780, now seen corresponding path program 1 times [2025-02-06 19:47:12,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:12,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074517058] [2025-02-06 19:47:12,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:12,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:12,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:47:12,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:47:12,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:12,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:12,450 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:12,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:47:12,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:47:12,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:12,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:12,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:12,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:12,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1231983741, now seen corresponding path program 1 times [2025-02-06 19:47:12,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:12,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392552656] [2025-02-06 19:47:12,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:12,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:12,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 19:47:12,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 19:47:12,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:12,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:12,479 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:12,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 19:47:12,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 19:47:12,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:12,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:12,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:13,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:13,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:13,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:13,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:13,288 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:13,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:13,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:13,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:13,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:13,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:47:13 BoogieIcfgContainer [2025-02-06 19:47:13,342 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:47:13,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:47:13,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:47:13,343 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:47:13,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:11" (3/4) ... [2025-02-06 19:47:13,344 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:47:13,384 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:47:13,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:47:13,385 INFO L158 Benchmark]: Toolchain (without parser) took 2744.42ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 81.9MB in the end (delta: 29.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2025-02-06 19:47:13,385 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:13,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.26ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 93.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:47:13,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.40ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:13,386 INFO L158 Benchmark]: Boogie Preprocessor took 40.51ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:47:13,386 INFO L158 Benchmark]: IcfgBuilder took 566.43ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 68.0MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:47:13,386 INFO L158 Benchmark]: BuchiAutomizer took 1763.52ms. Allocated memory is still 142.6MB. Free memory was 68.0MB in the beginning and 86.1MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:13,386 INFO L158 Benchmark]: Witness Printer took 41.79ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 81.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:13,387 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.26ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 93.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.40ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 91.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.51ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 89.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 566.43ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 68.0MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1763.52ms. Allocated memory is still 142.6MB. Free memory was 68.0MB in the beginning and 86.1MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.79ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 81.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"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 172 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. 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, 199 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 617 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 356 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 261 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 TRUE \read(tmp___2) [L862] CALL startSystem() [L735] systemActive = 1 [L862] RET startSystem() [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 TRUE \read(tmp___2) [L862] CALL startSystem() [L735] systemActive = 1 [L862] RET startSystem() [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! [2025-02-06 19:47:13,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)