./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product48.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 3a211ea3558de7a91964968ab789e94c34171c05a0686de6a2a53ff72a198e9d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:01,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:01,978 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:01,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:01,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:01,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:02,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:02,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:02,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:02,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:02,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:02,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:02,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:02,025 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:02,026 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:02,026 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:02,026 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:02,027 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:02,027 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:02,027 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:02,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:02,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:02,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:02,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:02,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:02,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:02,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:02,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:02,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:02,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:02,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:02,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:02,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:02,035 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:02,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:02,035 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:02,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:02,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:02,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:02,037 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:02,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a211ea3558de7a91964968ab789e94c34171c05a0686de6a2a53ff72a198e9d [2024-11-17 08:48:02,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:02,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:02,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:02,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:02,331 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:02,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c [2024-11-17 08:48:03,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:04,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:04,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c [2024-11-17 08:48:04,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44c732b93/a5398f45fa72468da89a062cb0fffcda/FLAG95849289f [2024-11-17 08:48:04,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44c732b93/a5398f45fa72468da89a062cb0fffcda [2024-11-17 08:48:04,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:04,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:04,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:04,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:04,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:04,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34670956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04, skipping insertion in model container [2024-11-17 08:48:04,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:04,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:04,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:04,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2024-11-17 08:48:04,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] [2024-11-17 08:48:04,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] [2024-11-17 08:48:04,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2024-11-17 08:48:04,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2024-11-17 08:48:04,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [783] [2024-11-17 08:48:04,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [877] [2024-11-17 08:48:04,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] [2024-11-17 08:48:04,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:04,549 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:04,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04 WrapperNode [2024-11-17 08:48:04,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:04,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:04,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:04,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:04,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,629 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 101, statements flattened = 665 [2024-11-17 08:48:04,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:04,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:04,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:04,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:04,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,673 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:48:04,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,687 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:04,703 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:04,703 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:04,703 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:04,705 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (1/1) ... [2024-11-17 08:48:04,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:04,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:48:04,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:48:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:04,852 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:04,855 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:05,409 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,409 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,409 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,409 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,410 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,410 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,410 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,410 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,410 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L828-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:48:05,410 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L978-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2024-11-17 08:48:05,411 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L702-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:05,411 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L702-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:05,411 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L702-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:48:05,411 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L554-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-17 08:48:05,411 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L757-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:05,412 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L757-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:05,412 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L757-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:05,412 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L757-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:05,413 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L757-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:05,413 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L757-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:48:05,413 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:48:05,413 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:48:05,414 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:48:05,414 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:48:05,414 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:48:05,414 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L874-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:48:05,414 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,414 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,415 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,415 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,415 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,415 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,415 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,415 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,415 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:48:05,416 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L860-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:48:05,416 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L860-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:48:05,416 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L860-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:48:05,457 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:05,457 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:05,474 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:05,475 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:05,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:05 BoogieIcfgContainer [2024-11-17 08:48:05,476 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:05,478 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:05,479 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:05,483 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:05,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:05,484 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:04" (1/3) ... [2024-11-17 08:48:05,485 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f5d0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:05, skipping insertion in model container [2024-11-17 08:48:05,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:05,485 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:04" (2/3) ... [2024-11-17 08:48:05,486 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f5d0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:05, skipping insertion in model container [2024-11-17 08:48:05,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:05,486 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:05" (3/3) ... [2024-11-17 08:48:05,491 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product48.cil.c [2024-11-17 08:48:05,553 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:05,553 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:05,553 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:05,553 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:05,553 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:05,553 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:05,553 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:05,553 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:05,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.343915343915344) internal successors, (254), 189 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:05,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-17 08:48:05,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:05,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:05,588 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:05,588 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:05,588 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:05,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 190 states, 189 states have (on average 1.343915343915344) internal successors, (254), 189 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:05,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 124 [2024-11-17 08:48:05,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:05,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:05,599 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:05,599 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:05,604 INFO L745 eck$LassoCheckResult]: Stem: 166#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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 33#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 17#L969true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 27#L962true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 136#L977true assume true;main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 146#L544true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 112#L517true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L888true [2024-11-17 08:48:05,605 INFO L747 eck$LassoCheckResult]: Loop: 22#L888true assume true; 167#L888-1true assume !false; 170#test_while_4_continue#1true assume true; 62#L890true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 119#L898true assume !(0 != test_~tmp~9#1); 137#L906true havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 97#L908true assume !(0 != test_~tmp___0~2#1); 162#L916true havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 16#L918true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4#L780true assume true;assume { :end_inline_startSystem } true; 98#L935true assume { :begin_inline_timeShift } true; 154#L573-2true assume !(0 != ~pumpRunning~0); 12#L580-2true assume !(0 != ~systemActive~0); 151#L588-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 86#L859-2true assume true;__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 60#L61-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 159#L75-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 169#L590-2true assume true;assume { :end_inline_timeShift } true; 22#L888true [2024-11-17 08:48:05,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:05,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1248594292, now seen corresponding path program 1 times [2024-11-17 08:48:05,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:05,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885493554] [2024-11-17 08:48:05,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:05,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:05,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:05,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:05,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:05,779 INFO L85 PathProgramCache]: Analyzing trace with hash -210479153, now seen corresponding path program 1 times [2024-11-17 08:48:05,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:05,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114511117] [2024-11-17 08:48:05,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:05,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:05,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:05,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114511117] [2024-11-17 08:48:05,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114511117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:05,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:05,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:48:05,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799454468] [2024-11-17 08:48:05,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:05,908 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:05,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:05,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:05,946 INFO L87 Difference]: Start difference. First operand has 190 states, 189 states have (on average 1.343915343915344) internal successors, (254), 189 states have internal predecessors, (254), 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) [2024-11-17 08:48:06,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:06,033 INFO L93 Difference]: Finished difference Result 359 states and 469 transitions. [2024-11-17 08:48:06,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 359 states and 469 transitions. [2024-11-17 08:48:06,043 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 234 [2024-11-17 08:48:06,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 359 states to 337 states and 446 transitions. [2024-11-17 08:48:06,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 337 [2024-11-17 08:48:06,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 337 [2024-11-17 08:48:06,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 337 states and 446 transitions. [2024-11-17 08:48:06,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:06,057 INFO L218 hiAutomatonCegarLoop]: Abstraction has 337 states and 446 transitions. [2024-11-17 08:48:06,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states and 446 transitions. [2024-11-17 08:48:06,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 334. [2024-11-17 08:48:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 334 states have (on average 1.3233532934131738) internal successors, (442), 333 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 442 transitions. [2024-11-17 08:48:06,096 INFO L240 hiAutomatonCegarLoop]: Abstraction has 334 states and 442 transitions. [2024-11-17 08:48:06,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:06,101 INFO L425 stractBuchiCegarLoop]: Abstraction has 334 states and 442 transitions. [2024-11-17 08:48:06,102 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:06,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 334 states and 442 transitions. [2024-11-17 08:48:06,105 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2024-11-17 08:48:06,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:06,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:06,106 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:06,106 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] [2024-11-17 08:48:06,107 INFO L745 eck$LassoCheckResult]: Stem: 730#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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 611#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 583#L969 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 584#L962 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 603#L977 assume true;main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 721#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 708#L517 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 590#L888 [2024-11-17 08:48:06,107 INFO L747 eck$LassoCheckResult]: Loop: 590#L888 assume true; 591#L888-1 assume !false; 731#test_while_4_continue#1 assume true; 653#L890 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 655#L898 assume !(0 != test_~tmp~9#1); 570#L906 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 692#L908 assume !(0 != test_~tmp___0~2#1); 650#L916 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 581#L918 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 560#L780 assume true;assume { :end_inline_startSystem } true; 561#L935 assume { :begin_inline_timeShift } true; 694#L573-2 assume !(0 != ~pumpRunning~0); 573#L580-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 574#L631-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 711#L605-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 713#L597-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 687#L623-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 572#L649-2 assume true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 723#L588-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 681#L859-2 assume true;__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 651#L61-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 642#L75-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 728#L590-2 assume true;assume { :end_inline_timeShift } true; 590#L888 [2024-11-17 08:48:06,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1248594292, now seen corresponding path program 2 times [2024-11-17 08:48:06,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883886760] [2024-11-17 08:48:06,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:06,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1615029218, now seen corresponding path program 1 times [2024-11-17 08:48:06,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658815301] [2024-11-17 08:48:06,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:06,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:06,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658815301] [2024-11-17 08:48:06,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658815301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:06,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:06,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:48:06,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234172127] [2024-11-17 08:48:06,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:06,192 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:06,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:06,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:06,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:06,194 INFO L87 Difference]: Start difference. First operand 334 states and 442 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:06,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:06,295 INFO L93 Difference]: Finished difference Result 460 states and 585 transitions. [2024-11-17 08:48:06,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 460 states and 585 transitions. [2024-11-17 08:48:06,301 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 327 [2024-11-17 08:48:06,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 460 states to 460 states and 585 transitions. [2024-11-17 08:48:06,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 460 [2024-11-17 08:48:06,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 460 [2024-11-17 08:48:06,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 460 states and 585 transitions. [2024-11-17 08:48:06,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:06,312 INFO L218 hiAutomatonCegarLoop]: Abstraction has 460 states and 585 transitions. [2024-11-17 08:48:06,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states and 585 transitions. [2024-11-17 08:48:06,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2024-11-17 08:48:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 460 states have (on average 1.2717391304347827) internal successors, (585), 459 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 585 transitions. [2024-11-17 08:48:06,343 INFO L240 hiAutomatonCegarLoop]: Abstraction has 460 states and 585 transitions. [2024-11-17 08:48:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:06,344 INFO L425 stractBuchiCegarLoop]: Abstraction has 460 states and 585 transitions. [2024-11-17 08:48:06,345 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:06,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 460 states and 585 transitions. [2024-11-17 08:48:06,348 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 327 [2024-11-17 08:48:06,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:06,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:06,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:06,349 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:06,349 INFO L745 eck$LassoCheckResult]: Stem: 1571#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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1415#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1386#L969 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1387#L962 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1406#L977 assume true;main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 1549#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1523#L517 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1524#L888 [2024-11-17 08:48:06,350 INFO L747 eck$LassoCheckResult]: Loop: 1524#L888 assume true; 1690#L888-1 assume !false; 1689#test_while_4_continue#1 assume true; 1458#L890 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1460#L898 assume !(0 != test_~tmp~9#1); 1547#L906 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1548#L908 assume !(0 != test_~tmp___0~2#1); 1566#L916 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1567#L918 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1360#L780 assume true;assume { :end_inline_startSystem } true; 1361#L935 assume { :begin_inline_timeShift } true; 1687#L573-2 assume !(0 != ~pumpRunning~0); 1374#L580-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1375#L631-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1673#L605-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 1672#L867-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 1671#L872-5 assume true;isHighWaterLevel_#t~ret42#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret42#1;havoc isHighWaterLevel_#t~ret42#1; 1670#L750-5 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1669#L755-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1668#L756-5 assume true;processEnvironment__wrappee__methaneQuery_#t~ret30#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret30#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1; 1667#L609-5 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1559#L597-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1560#L623-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1373#L649-2 assume true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1696#L588-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 1695#L859-2 assume true;__utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 1693#L61-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 1561#L75-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1562#L590-2 assume true;assume { :end_inline_timeShift } true; 1524#L888 [2024-11-17 08:48:06,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1248594292, now seen corresponding path program 3 times [2024-11-17 08:48:06,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962558064] [2024-11-17 08:48:06,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:06,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,385 INFO L85 PathProgramCache]: Analyzing trace with hash -502087797, now seen corresponding path program 1 times [2024-11-17 08:48:06,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322626660] [2024-11-17 08:48:06,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:06,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:06,436 INFO L85 PathProgramCache]: Analyzing trace with hash 604748000, now seen corresponding path program 1 times [2024-11-17 08:48:06,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:06,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583699720] [2024-11-17 08:48:06,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:06,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:06,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:07,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:07,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:07 BoogieIcfgContainer [2024-11-17 08:48:07,505 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:07,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:07,508 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:07,508 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:07,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:05" (3/4) ... [2024-11-17 08:48:07,510 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:07,577 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:07,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:07,578 INFO L158 Benchmark]: Toolchain (without parser) took 3543.21ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 107.1MB in the beginning and 164.4MB in the end (delta: -57.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,579 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory was 123.7MB in the beginning and 123.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:07,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.29ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 84.9MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.28ms. Allocated memory is still 163.6MB. Free memory was 84.9MB in the beginning and 81.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,582 INFO L158 Benchmark]: Boogie Preprocessor took 72.10ms. Allocated memory is still 163.6MB. Free memory was 81.6MB in the beginning and 78.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,583 INFO L158 Benchmark]: IcfgBuilder took 772.82ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 78.2MB in the beginning and 195.2MB in the end (delta: -116.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,583 INFO L158 Benchmark]: BuchiAutomizer took 2027.91ms. Allocated memory is still 249.6MB. Free memory was 195.2MB in the beginning and 167.5MB in the end (delta: 27.7MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,583 INFO L158 Benchmark]: Witness Printer took 69.86ms. Allocated memory is still 249.6MB. Free memory was 166.5MB in the beginning and 164.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:07,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory was 123.7MB in the beginning and 123.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.29ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 84.9MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.28ms. Allocated memory is still 163.6MB. Free memory was 84.9MB in the beginning and 81.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.10ms. Allocated memory is still 163.6MB. Free memory was 81.6MB in the beginning and 78.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 772.82ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 78.2MB in the beginning and 195.2MB in the end (delta: -116.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2027.91ms. Allocated memory is still 249.6MB. Free memory was 195.2MB in the beginning and 167.5MB in the end (delta: 27.7MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 69.86ms. Allocated memory is still 249.6MB. Free memory was 166.5MB in the beginning and 164.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [444] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 783]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [783] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [877] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] * 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 3 locations. The remainder module has 460 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 401 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 401 mSDsluCounter, 781 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 321 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 460 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 888]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L566] int pumpRunning = 0; [L567] int systemActive = 1; [L784] int waterLevel = 1; [L785] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND TRUE \read(tmp___2) [L920] CALL startSystem() [L779] systemActive = 1 [L920] RET startSystem() [L935] CALL timeShift() [L573] COND FALSE !(\read(pumpRunning)) [L580] COND TRUE \read(systemActive) [L582] CALL processEnvironment() [L628] int tmp ; [L631] COND FALSE !(\read(pumpRunning)) [L646] CALL processEnvironment__wrappee__methaneQuery() [L602] int tmp ; [L605] COND TRUE ! pumpRunning [L607] CALL, EXPR isHighWaterLevel() [L742] int retValue_acc ; [L743] int tmp ; [L744] int tmp___0 ; [L748] CALL, EXPR isHighWaterSensorDry() [L864] int retValue_acc ; [L867] COND TRUE waterLevel < 2 [L868] retValue_acc = 1 [L869] return (retValue_acc); [L748] RET, EXPR isHighWaterSensorDry() [L748] tmp = isHighWaterSensorDry() [L750] COND TRUE \read(tmp) [L751] tmp___0 = 0 [L755] retValue_acc = tmp___0 [L756] return (retValue_acc); [L607] RET, EXPR isHighWaterLevel() [L607] tmp = isHighWaterLevel() [L609] COND FALSE !(\read(tmp)) [L615] FCALL processEnvironment__wrappee__base() [L646] RET processEnvironment__wrappee__methaneQuery() [L582] RET processEnvironment() [L588] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L855] int retValue_acc ; [L858] retValue_acc = waterLevel [L859] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L588] RET __utac_acc__Specification4_spec__1() [L935] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 888]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L566] int pumpRunning = 0; [L567] int systemActive = 1; [L784] int waterLevel = 1; [L785] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND TRUE \read(tmp___2) [L920] CALL startSystem() [L779] systemActive = 1 [L920] RET startSystem() [L935] CALL timeShift() [L573] COND FALSE !(\read(pumpRunning)) [L580] COND TRUE \read(systemActive) [L582] CALL processEnvironment() [L628] int tmp ; [L631] COND FALSE !(\read(pumpRunning)) [L646] CALL processEnvironment__wrappee__methaneQuery() [L602] int tmp ; [L605] COND TRUE ! pumpRunning [L607] CALL, EXPR isHighWaterLevel() [L742] int retValue_acc ; [L743] int tmp ; [L744] int tmp___0 ; [L748] CALL, EXPR isHighWaterSensorDry() [L864] int retValue_acc ; [L867] COND TRUE waterLevel < 2 [L868] retValue_acc = 1 [L869] return (retValue_acc); [L748] RET, EXPR isHighWaterSensorDry() [L748] tmp = isHighWaterSensorDry() [L750] COND TRUE \read(tmp) [L751] tmp___0 = 0 [L755] retValue_acc = tmp___0 [L756] return (retValue_acc); [L607] RET, EXPR isHighWaterLevel() [L607] tmp = isHighWaterLevel() [L609] COND FALSE !(\read(tmp)) [L615] FCALL processEnvironment__wrappee__base() [L646] RET processEnvironment__wrappee__methaneQuery() [L582] RET processEnvironment() [L588] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L855] int retValue_acc ; [L858] retValue_acc = waterLevel [L859] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L588] RET __utac_acc__Specification4_spec__1() [L935] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:07,620 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)