./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product53.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 e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:39,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:39,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:39,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:39,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:39,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:39,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:39,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:39,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:39,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:39,896 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:39,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:39,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:39,899 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:39,899 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:39,900 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:39,900 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:39,900 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:39,900 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:39,901 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:39,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:39,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:39,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:39,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:39,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:39,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:39,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:39,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:39,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:39,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:39,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:39,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:39,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:39,907 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:39,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:39,907 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:39,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:39,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:39,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:39,909 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:39,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91d5c860cfea17112af53939b2fffb1e4c536355098377ab18c754994d1bc2b [2024-11-10 23:15:40,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:40,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:40,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:40,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:40,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:40,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2024-11-10 23:15:41,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:41,964 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:41,965 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2024-11-10 23:15:41,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761f95e71/03681cdac42d4dbe86140f126e1a3c12/FLAG2a3d0cc53 [2024-11-10 23:15:41,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761f95e71/03681cdac42d4dbe86140f126e1a3c12 [2024-11-10 23:15:41,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:41,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:42,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:42,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:42,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:42,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:42,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192b759e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42, skipping insertion in model container [2024-11-10 23:15:42,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:41" (1/1) ... [2024-11-10 23:15:42,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:42,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:42,349 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:42,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:15:42,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] [2024-11-10 23:15:42,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [484] [2024-11-10 23:15:42,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [717] [2024-11-10 23:15:42,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [755] [2024-11-10 23:15:42,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [764] [2024-11-10 23:15:42,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [868] [2024-11-10 23:15:42,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [894] [2024-11-10 23:15:42,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:42,461 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:42,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42 WrapperNode [2024-11-10 23:15:42,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:42,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:42,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:42,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:42,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,528 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 140, statements flattened = 949 [2024-11-10 23:15:42,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:42,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:42,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:42,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:42,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,556 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,583 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:15:42,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:42,626 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:42,626 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:42,626 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:42,627 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (1/1) ... [2024-11-10 23:15:42,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:42,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:42,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:15:42,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:15:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:42,805 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:42,807 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:43,508 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,508 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-10 23:15:43,508 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-10 23:15:43,508 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L631-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2024-11-10 23:15:43,509 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L865-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:15:43,509 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L865-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:15:43,509 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L865-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:15:43,509 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L865-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:15:43,509 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L865-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:15:43,509 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L865-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~12#1; [2024-11-10 23:15:43,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:15:43,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:15:43,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L640-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2024-11-10 23:15:43,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L842-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:43,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L842-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:43,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L842-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:43,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L810-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:15:43,510 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L810-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:15:43,511 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L810-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-10 23:15:43,511 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:43,511 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:43,511 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:43,511 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:43,511 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:43,511 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L752-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L987-1: main_#res#1 := main_~retValue_acc~13#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L856-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L695-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2024-11-10 23:15:43,547 INFO L? ?]: Removed 235 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:43,547 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:43,567 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:43,569 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:43,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:43 BoogieIcfgContainer [2024-11-10 23:15:43,570 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:43,571 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:43,572 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:43,575 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:43,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:43,576 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:41" (1/3) ... [2024-11-10 23:15:43,577 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17a1c369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:43, skipping insertion in model container [2024-11-10 23:15:43,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:43,577 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:42" (2/3) ... [2024-11-10 23:15:43,577 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17a1c369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:43, skipping insertion in model container [2024-11-10 23:15:43,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:43,577 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:43" (3/3) ... [2024-11-10 23:15:43,580 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2024-11-10 23:15:43,640 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:43,640 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:43,641 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:43,641 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:43,641 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:43,641 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:43,641 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:43,642 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:43,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 273 states, 272 states have (on average 1.3676470588235294) internal successors, (372), 272 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:43,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2024-11-10 23:15:43,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:43,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:43,680 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:43,681 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:43,681 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:43,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 273 states, 272 states have (on average 1.3676470588235294) internal successors, (372), 272 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:43,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2024-11-10 23:15:43,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:43,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:43,702 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:43,702 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:43,710 INFO L745 eck$LassoCheckResult]: Stem: 262#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 35#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 201#L743true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 174#L736true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 28#L751true assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 245#L977true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 270#L954true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 156#L430true [2024-11-10 23:15:43,711 INFO L747 eck$LassoCheckResult]: Loop: 156#L430true assume true; 42#L430-1true assume !false;assume true; 232#L432true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 240#L440true assume !(0 != test_~tmp~3#1); 136#L448true havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 93#L450true assume !(0 != test_~tmp___0~0#1); 116#L458true havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 61#L460true assume 0 != test_~tmp___2~0#1; 134#L473true assume { :begin_inline_timeShift } true; 132#L502-2true assume !(0 != ~pumpRunning~0); 223#L509-2true assume !(0 != ~systemActive~0); 178#L517-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 133#L841-2true assume true;__utac_acc__Specification4_spec__1_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret51#1;havoc __utac_acc__Specification4_spec__1_#t~ret51#1; 196#L877-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 111#L891-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 198#L519-2true assume true;assume { :end_inline_timeShift } true; 156#L430true [2024-11-10 23:15:43,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:43,721 INFO L85 PathProgramCache]: Analyzing trace with hash 2116357035, now seen corresponding path program 1 times [2024-11-10 23:15:43,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:43,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256306795] [2024-11-10 23:15:43,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:43,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:43,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash 975494645, now seen corresponding path program 1 times [2024-11-10 23:15:43,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:43,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134584118] [2024-11-10 23:15:43,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:43,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:43,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:43,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1415490145, now seen corresponding path program 1 times [2024-11-10 23:15:43,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:43,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395846036] [2024-11-10 23:15:43,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:43,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:44,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:44,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395846036] [2024-11-10 23:15:44,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395846036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:44,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:44,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:15:44,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054297537] [2024-11-10 23:15:44,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:44,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:44,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:15:44,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:15:44,344 INFO L87 Difference]: Start difference. First operand has 273 states, 272 states have (on average 1.3676470588235294) internal successors, (372), 272 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 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) [2024-11-10 23:15:44,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:44,441 INFO L93 Difference]: Finished difference Result 267 states and 355 transitions. [2024-11-10 23:15:44,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 267 states and 355 transitions. [2024-11-10 23:15:44,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 171 [2024-11-10 23:15:44,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 267 states to 256 states and 344 transitions. [2024-11-10 23:15:44,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 256 [2024-11-10 23:15:44,453 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 256 [2024-11-10 23:15:44,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 256 states and 344 transitions. [2024-11-10 23:15:44,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:44,455 INFO L218 hiAutomatonCegarLoop]: Abstraction has 256 states and 344 transitions. [2024-11-10 23:15:44,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states and 344 transitions. [2024-11-10 23:15:44,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-11-10 23:15:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 256 states have (on average 1.34375) internal successors, (344), 255 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 344 transitions. [2024-11-10 23:15:44,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 256 states and 344 transitions. [2024-11-10 23:15:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:15:44,502 INFO L425 stractBuchiCegarLoop]: Abstraction has 256 states and 344 transitions. [2024-11-10 23:15:44,502 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:44,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 256 states and 344 transitions. [2024-11-10 23:15:44,506 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 171 [2024-11-10 23:15:44,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:44,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:44,508 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:44,508 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:44,508 INFO L745 eck$LassoCheckResult]: Stem: 813#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 624#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 625#L743 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 776#L736 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 611#L751 assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 612#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 811#L954 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 764#L430 [2024-11-10 23:15:44,509 INFO L747 eck$LassoCheckResult]: Loop: 764#L430 assume true; 634#L430-1 assume !false;assume true; 635#L432 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 806#L440 assume !(0 != test_~tmp~3#1); 682#L448 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 702#L450 assume !(0 != test_~tmp___0~0#1); 703#L458 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 663#L460 assume 0 != test_~tmp___2~0#1; 665#L473 assume { :begin_inline_timeShift } true; 742#L502-2 assume !(0 != ~pumpRunning~0); 701#L509-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 747#L586-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret34#1, isMethaneAlarm_~retValue_acc~3#1;havoc isMethaneAlarm_~retValue_acc~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 704#L809-2 assume true;isMethaneAlarm_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3#1 := isMethaneAlarm_#t~ret34#1;havoc isMethaneAlarm_#t~ret34#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; 651#L630-2 assume true;processEnvironment_#t~ret33#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret34#1, isMethaneAlarm_~retValue_acc~3#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret33#1;havoc processEnvironment_#t~ret33#1; 652#L590-2 assume 0 != processEnvironment_~tmp~6#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 736#L620-6 assume true;assume { :end_inline_deactivatePump } true; 658#L604-2 assume true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 779#L517-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 744#L841-2 assume true;__utac_acc__Specification4_spec__1_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret51#1;havoc __utac_acc__Specification4_spec__1_#t~ret51#1; 745#L877-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 728#L891-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 729#L519-2 assume true;assume { :end_inline_timeShift } true; 764#L430 [2024-11-10 23:15:44,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:44,510 INFO L85 PathProgramCache]: Analyzing trace with hash 2116357035, now seen corresponding path program 2 times [2024-11-10 23:15:44,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:44,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917855359] [2024-11-10 23:15:44,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:44,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:44,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1991380699, now seen corresponding path program 1 times [2024-11-10 23:15:44,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:44,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905319521] [2024-11-10 23:15:44,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:44,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:44,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:44,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905319521] [2024-11-10 23:15:44,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905319521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:44,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:44,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:44,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234497528] [2024-11-10 23:15:44,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:44,571 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:44,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:44,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:44,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:44,572 INFO L87 Difference]: Start difference. First operand 256 states and 344 transitions. cyclomatic complexity: 90 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:44,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:44,696 INFO L93 Difference]: Finished difference Result 265 states and 336 transitions. [2024-11-10 23:15:44,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 336 transitions. [2024-11-10 23:15:44,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 182 [2024-11-10 23:15:44,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 265 states and 336 transitions. [2024-11-10 23:15:44,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 265 [2024-11-10 23:15:44,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 265 [2024-11-10 23:15:44,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 265 states and 336 transitions. [2024-11-10 23:15:44,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:44,704 INFO L218 hiAutomatonCegarLoop]: Abstraction has 265 states and 336 transitions. [2024-11-10 23:15:44,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states and 336 transitions. [2024-11-10 23:15:44,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2024-11-10 23:15:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 265 states have (on average 1.2679245283018867) internal successors, (336), 264 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:44,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 336 transitions. [2024-11-10 23:15:44,722 INFO L240 hiAutomatonCegarLoop]: Abstraction has 265 states and 336 transitions. [2024-11-10 23:15:44,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:44,724 INFO L425 stractBuchiCegarLoop]: Abstraction has 265 states and 336 transitions. [2024-11-10 23:15:44,724 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:15:44,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 265 states and 336 transitions. [2024-11-10 23:15:44,725 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 182 [2024-11-10 23:15:44,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:44,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:44,727 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:44,728 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] [2024-11-10 23:15:44,728 INFO L745 eck$LassoCheckResult]: Stem: 1305#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 1129#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1130#L743 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1261#L736 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1122#L751 assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 1123#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1300#L954 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1307#L430 [2024-11-10 23:15:44,729 INFO L747 eck$LassoCheckResult]: Loop: 1307#L430 assume true; 1324#L430-1 assume !false;assume true; 1323#L432 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet27#1;test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1321#L440 assume !(0 != test_~tmp~3#1); 1319#L448 havoc test_#t~nondet28#1;test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1316#L450 assume !(0 != test_~tmp___0~0#1); 1315#L458 havoc test_#t~nondet29#1;test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1314#L460 assume 0 != test_~tmp___2~0#1; 1312#L473 assume { :begin_inline_timeShift } true; 1227#L502-2 assume !(0 != ~pumpRunning~0); 1228#L509-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1234#L586-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret32#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 1094#L560-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1095#L534-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1303#L849-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1258#L854-11 assume true;isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 1180#L688-11 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1175#L693-11 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 1174#L694-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1; 1171#L538-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1173#L526-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1290#L552-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1330#L578-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret32#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1301#L604-2 assume true;havoc processEnvironment_#t~ret33#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1329#L517-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1229#L841-2 assume true;__utac_acc__Specification4_spec__1_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret51#1;havoc __utac_acc__Specification4_spec__1_#t~ret51#1; 1230#L877-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 1238#L891-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1325#L519-2 assume true;assume { :end_inline_timeShift } true; 1307#L430 [2024-11-10 23:15:44,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:44,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2116357035, now seen corresponding path program 3 times [2024-11-10 23:15:44,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:44,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787273930] [2024-11-10 23:15:44,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:44,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,758 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:44,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:44,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1045730899, now seen corresponding path program 1 times [2024-11-10 23:15:44,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:44,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080908031] [2024-11-10 23:15:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:44,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:44,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:44,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1347406269, now seen corresponding path program 1 times [2024-11-10 23:15:44,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:44,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299237168] [2024-11-10 23:15:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:44,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:44,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:45,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:45,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:45 BoogieIcfgContainer [2024-11-10 23:15:45,673 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:45,673 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:45,673 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:45,674 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:45,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:43" (3/4) ... [2024-11-10 23:15:45,676 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:45,743 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:45,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:45,744 INFO L158 Benchmark]: Toolchain (without parser) took 3745.40ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 148.3MB in the beginning and 125.4MB in the end (delta: 22.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:45,744 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 178.3MB. Free memory was 142.4MB in the beginning and 142.2MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:45,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.62ms. Allocated memory is still 178.3MB. Free memory was 148.3MB in the beginning and 126.2MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:45,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.69ms. Allocated memory is still 178.3MB. Free memory was 126.2MB in the beginning and 122.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:45,745 INFO L158 Benchmark]: Boogie Preprocessor took 95.82ms. Allocated memory is still 178.3MB. Free memory was 122.0MB in the beginning and 117.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:45,745 INFO L158 Benchmark]: IcfgBuilder took 944.27ms. Allocated memory is still 178.3MB. Free memory was 117.8MB in the beginning and 102.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 23:15:45,745 INFO L158 Benchmark]: BuchiAutomizer took 2101.83ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 102.8MB in the beginning and 128.6MB in the end (delta: -25.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-10 23:15:45,746 INFO L158 Benchmark]: Witness Printer took 70.16ms. Allocated memory is still 213.9MB. Free memory was 128.6MB in the beginning and 125.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:45,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 178.3MB. Free memory was 142.4MB in the beginning and 142.2MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.62ms. Allocated memory is still 178.3MB. Free memory was 148.3MB in the beginning and 126.2MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.69ms. Allocated memory is still 178.3MB. Free memory was 126.2MB in the beginning and 122.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.82ms. Allocated memory is still 178.3MB. Free memory was 122.0MB in the beginning and 117.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 944.27ms. Allocated memory is still 178.3MB. Free memory was 117.8MB in the beginning and 102.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2101.83ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 102.8MB in the beginning and 128.6MB in the end (delta: -25.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Witness Printer took 70.16ms. Allocated memory is still 213.9MB. Free memory was 128.6MB in the beginning and 125.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [484] - GenericResultAtLocation [Line: 717]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [717] - GenericResultAtLocation [Line: 755]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [755] - GenericResultAtLocation [Line: 764]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [764] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [868] - GenericResultAtLocation [Line: 894]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [894] * 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 6 locations. The remainder module has 265 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 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, 530 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 530 mSDsluCounter, 1421 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 810 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 611 mSDtfsCounter, 60 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: 430]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L494] int pumpRunning = 0; [L495] int systemActive = 1; [L766] int waterLevel = 1; [L767] int methaneLevelCritical = 0; [L895] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] int retValue_acc ; [L969] int tmp ; [L973] FCALL select_helpers() [L974] FCALL select_features() [L975] CALL, EXPR valid_product() [L747] int retValue_acc ; [L750] retValue_acc = 1 [L751] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] RET, EXPR valid_product() [L975] tmp = valid_product() [L977] COND TRUE \read(tmp) [L979] FCALL setup() [L980] CALL runTest() [L962] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L430] COND TRUE 1 [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) [L473] CALL timeShift() [L502] COND FALSE !(\read(pumpRunning)) [L509] COND TRUE \read(systemActive) [L511] CALL processEnvironment() [L583] int tmp ; [L586] COND FALSE !(\read(pumpRunning)) [L601] CALL processEnvironment__wrappee__lowWaterSensor() [L557] int tmp ; [L560] COND FALSE !(\read(pumpRunning)) [L575] CALL processEnvironment__wrappee__highWaterSensor() [L531] int tmp ; [L534] COND TRUE ! pumpRunning [L536] CALL, EXPR isHighWaterLevel() [L680] int retValue_acc ; [L681] int tmp ; [L682] int tmp___0 ; [L686] CALL, EXPR isHighWaterSensorDry() [L846] int retValue_acc ; [L849] COND TRUE waterLevel < 2 [L850] retValue_acc = 1 [L851] return (retValue_acc); [L686] RET, EXPR isHighWaterSensorDry() [L686] tmp = isHighWaterSensorDry() [L688] COND TRUE \read(tmp) [L689] tmp___0 = 0 [L693] retValue_acc = tmp___0 [L694] return (retValue_acc); [L536] RET, EXPR isHighWaterLevel() [L536] tmp = isHighWaterLevel() [L538] COND FALSE !(\read(tmp)) [L544] FCALL processEnvironment__wrappee__base() [L575] RET processEnvironment__wrappee__highWaterSensor() [L601] RET processEnvironment__wrappee__lowWaterSensor() [L511] RET processEnvironment() [L517] CALL __utac_acc__Specification4_spec__1() [L870] int tmp ; [L871] int tmp___0 ; [L875] CALL, EXPR getWaterLevel() [L837] int retValue_acc ; [L840] retValue_acc = waterLevel [L841] return (retValue_acc); [L875] RET, EXPR getWaterLevel() [L875] tmp = getWaterLevel() [L877] COND FALSE !(tmp == 0) [L517] RET __utac_acc__Specification4_spec__1() [L473] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 430]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L494] int pumpRunning = 0; [L495] int systemActive = 1; [L766] int waterLevel = 1; [L767] int methaneLevelCritical = 0; [L895] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] int retValue_acc ; [L969] int tmp ; [L973] FCALL select_helpers() [L974] FCALL select_features() [L975] CALL, EXPR valid_product() [L747] int retValue_acc ; [L750] retValue_acc = 1 [L751] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] RET, EXPR valid_product() [L975] tmp = valid_product() [L977] COND TRUE \read(tmp) [L979] FCALL setup() [L980] CALL runTest() [L962] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L430] COND TRUE 1 [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) [L473] CALL timeShift() [L502] COND FALSE !(\read(pumpRunning)) [L509] COND TRUE \read(systemActive) [L511] CALL processEnvironment() [L583] int tmp ; [L586] COND FALSE !(\read(pumpRunning)) [L601] CALL processEnvironment__wrappee__lowWaterSensor() [L557] int tmp ; [L560] COND FALSE !(\read(pumpRunning)) [L575] CALL processEnvironment__wrappee__highWaterSensor() [L531] int tmp ; [L534] COND TRUE ! pumpRunning [L536] CALL, EXPR isHighWaterLevel() [L680] int retValue_acc ; [L681] int tmp ; [L682] int tmp___0 ; [L686] CALL, EXPR isHighWaterSensorDry() [L846] int retValue_acc ; [L849] COND TRUE waterLevel < 2 [L850] retValue_acc = 1 [L851] return (retValue_acc); [L686] RET, EXPR isHighWaterSensorDry() [L686] tmp = isHighWaterSensorDry() [L688] COND TRUE \read(tmp) [L689] tmp___0 = 0 [L693] retValue_acc = tmp___0 [L694] return (retValue_acc); [L536] RET, EXPR isHighWaterLevel() [L536] tmp = isHighWaterLevel() [L538] COND FALSE !(\read(tmp)) [L544] FCALL processEnvironment__wrappee__base() [L575] RET processEnvironment__wrappee__highWaterSensor() [L601] RET processEnvironment__wrappee__lowWaterSensor() [L511] RET processEnvironment() [L517] CALL __utac_acc__Specification4_spec__1() [L870] int tmp ; [L871] int tmp___0 ; [L875] CALL, EXPR getWaterLevel() [L837] int retValue_acc ; [L840] retValue_acc = waterLevel [L841] return (retValue_acc); [L875] RET, EXPR getWaterLevel() [L875] tmp = getWaterLevel() [L877] COND FALSE !(tmp == 0) [L517] RET __utac_acc__Specification4_spec__1() [L473] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:45,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)