./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product38.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_product38.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 dfe9857e69a888cdbad1416d1b07f69e8062222f8bcfc0bd9dc9f4a773a0fc6f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:47:55,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:47:55,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:47:55,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:47:55,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:47:55,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:47:55,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:47:55,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:47:55,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:47:55,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:47:55,535 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:47:55,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:47:55,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:47:55,540 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:47:55,540 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:47:55,541 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:47:55,541 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:47:55,541 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:47:55,541 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:47:55,541 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:47:55,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:47:55,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:47:55,543 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:47:55,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:47:55,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:47:55,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:47:55,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:47:55,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:47:55,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:47:55,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:47:55,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:47:55,544 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:47:55,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:47:55,545 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:47:55,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:47:55,545 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:47:55,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:47:55,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:47:55,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:47:55,546 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:47:55,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9857e69a888cdbad1416d1b07f69e8062222f8bcfc0bd9dc9f4a773a0fc6f [2024-11-17 08:47:55,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:47:55,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:47:55,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:47:55,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:47:55,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:47:55,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c [2024-11-17 08:47:57,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:47:57,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:47:57,214 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c [2024-11-17 08:47:57,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005de2bf4/46f7297f4c6d463cb7cf0052b086a7b3/FLAG9ee77fa17 [2024-11-17 08:47:57,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005de2bf4/46f7297f4c6d463cb7cf0052b086a7b3 [2024-11-17 08:47:57,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:47:57,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:47:57,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:57,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:47:57,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:47:57,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:57,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3813ce4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57, skipping insertion in model container [2024-11-17 08:47:57,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:57,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:47:57,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:57,890 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:47:57,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-17 08:47:57,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] [2024-11-17 08:47:57,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [252] [2024-11-17 08:47:57,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [261] [2024-11-17 08:47:57,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [288] [2024-11-17 08:47:57,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [356] [2024-11-17 08:47:57,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] [2024-11-17 08:47:57,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [910] [2024-11-17 08:47:57,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:57,995 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:47:57,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57 WrapperNode [2024-11-17 08:47:57,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:57,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:57,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:47:57,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:47:58,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,064 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 81, statements flattened = 532 [2024-11-17 08:47:58,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:58,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:47:58,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:47:58,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:47:58,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,112 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 08:47:58,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,121 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:47:58,136 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:47:58,136 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:47:58,136 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:47:58,136 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (1/1) ... [2024-11-17 08:47:58,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:47:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:47:58,164 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 08:47:58,168 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 08:47:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:47:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:47:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:47:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:47:58,273 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:47:58,275 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:47:58,620 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L235-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-17 08:47:58,621 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L235-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-17 08:47:58,621 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L235-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L203-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L533-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L203-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L203-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:47:58,622 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L478-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L478-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L478-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L942-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L249-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L249-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L249-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L249-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L249-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:47:58,623 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L249-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:47:58,653 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-17 08:47:58,653 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:47:58,667 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:47:58,667 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:47:58,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:58 BoogieIcfgContainer [2024-11-17 08:47:58,668 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:47:58,668 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:47:58,669 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:47:58,672 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:47:58,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:58,673 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:47:57" (1/3) ... [2024-11-17 08:47:58,673 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7945f660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:58, skipping insertion in model container [2024-11-17 08:47:58,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:58,673 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:57" (2/3) ... [2024-11-17 08:47:58,674 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7945f660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:58, skipping insertion in model container [2024-11-17 08:47:58,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:58,674 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:58" (3/3) ... [2024-11-17 08:47:58,675 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product38.cil.c [2024-11-17 08:47:58,716 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:47:58,716 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:47:58,717 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:47:58,717 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:47:58,717 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:47:58,717 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:47:58,717 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:47:58,717 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:47:58,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162 states, 161 states have (on average 1.360248447204969) internal successors, (219), 161 states have internal predecessors, (219), 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 08:47:58,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-17 08:47:58,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:58,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:58,753 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:58,754 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 08:47:58,754 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:47:58,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162 states, 161 states have (on average 1.360248447204969) internal successors, (219), 161 states have internal predecessors, (219), 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 08:47:58,762 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-17 08:47:58,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:58,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:58,765 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:58,765 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 08:47:58,769 INFO L745 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 37#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 28#L933true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 115#L926true 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; 126#L941true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 69#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 136#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 75#L300true [2024-11-17 08:47:58,770 INFO L747 eck$LassoCheckResult]: Loop: 75#L300true assume true; 54#L300-1true assume !false; 66#test_while_1_continue#1true assume true; 97#L302true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 83#L310true assume !(0 != test_~tmp~2#1); 153#L318true havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 96#L320true assume !(0 != test_~tmp___0~1#1); 122#L328true havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 58#L330true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 90#L541true assume true;assume { :end_inline_startSystem } true; 150#L345true assume { :begin_inline_timeShift } true; 118#L366-2true assume !(0 != ~pumpRunning~0); 107#L373-2true assume !(0 != ~systemActive~0); 93#L381-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 4#L234-2true assume true;__utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; 95#L271-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 21#L285-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 34#L383-2true assume true;assume { :end_inline_timeShift } true; 75#L300true [2024-11-17 08:47:58,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:58,776 INFO L85 PathProgramCache]: Analyzing trace with hash -684034083, now seen corresponding path program 1 times [2024-11-17 08:47:58,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:58,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170210790] [2024-11-17 08:47:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:58,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:58,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:58,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:58,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1903242599, now seen corresponding path program 1 times [2024-11-17 08:47:58,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:58,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636136628] [2024-11-17 08:47:58,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:58,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:58,971 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 08:47:58,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:58,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636136628] [2024-11-17 08:47:58,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636136628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:58,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:58,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:47:58,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668915693] [2024-11-17 08:47:58,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:58,977 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:47:58,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:59,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:47:59,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:47:59,006 INFO L87 Difference]: Start difference. First operand has 162 states, 161 states have (on average 1.360248447204969) internal successors, (219), 161 states have internal predecessors, (219), 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 08:47:59,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:59,037 INFO L93 Difference]: Finished difference Result 156 states and 203 transitions. [2024-11-17 08:47:59,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 203 transitions. [2024-11-17 08:47:59,042 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2024-11-17 08:47:59,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 145 states and 191 transitions. [2024-11-17 08:47:59,047 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2024-11-17 08:47:59,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2024-11-17 08:47:59,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 191 transitions. [2024-11-17 08:47:59,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:59,049 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 191 transitions. [2024-11-17 08:47:59,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 191 transitions. [2024-11-17 08:47:59,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-17 08:47:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3172413793103448) internal successors, (191), 144 states have internal predecessors, (191), 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 08:47:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2024-11-17 08:47:59,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 145 states and 191 transitions. [2024-11-17 08:47:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:47:59,078 INFO L425 stractBuchiCegarLoop]: Abstraction has 145 states and 191 transitions. [2024-11-17 08:47:59,078 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:47:59,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 191 transitions. [2024-11-17 08:47:59,079 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2024-11-17 08:47:59,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:59,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:59,080 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:59,080 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 08:47:59,080 INFO L745 eck$LassoCheckResult]: Stem: 469#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 380#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 367#L933 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 368#L926 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; 454#L941 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 418#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 419#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 376#L300 [2024-11-17 08:47:59,081 INFO L747 eck$LassoCheckResult]: Loop: 376#L300 assume true; 401#L300-1 assume !false; 402#test_while_1_continue#1 assume true; 417#L302 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 431#L310 assume !(0 != test_~tmp~2#1); 432#L318 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 442#L320 assume !(0 != test_~tmp___0~1#1); 444#L328 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 408#L330 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet15#1;test_~tmp___1~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 409#L338 assume 0 != test_~tmp___1~0#1; 413#L345 assume { :begin_inline_timeShift } true; 456#L366-2 assume !(0 != ~pumpRunning~0); 407#L373-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 436#L424-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 437#L398-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 327#L390-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 328#L416-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 341#L442-2 assume true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 440#L381-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 331#L234-2 assume true;__utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; 332#L271-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 356#L285-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 357#L383-2 assume true;assume { :end_inline_timeShift } true; 376#L300 [2024-11-17 08:47:59,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:59,081 INFO L85 PathProgramCache]: Analyzing trace with hash -684034083, now seen corresponding path program 2 times [2024-11-17 08:47:59,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:59,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589174844] [2024-11-17 08:47:59,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:59,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:59,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:59,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:59,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1721824710, now seen corresponding path program 1 times [2024-11-17 08:47:59,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:59,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020701078] [2024-11-17 08:47:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:59,118 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 08:47:59,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:59,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020701078] [2024-11-17 08:47:59,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020701078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:59,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:59,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:47:59,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387658041] [2024-11-17 08:47:59,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:59,120 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:47:59,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:59,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:47:59,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:47:59,120 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. cyclomatic complexity: 48 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 08:47:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:59,199 INFO L93 Difference]: Finished difference Result 202 states and 255 transitions. [2024-11-17 08:47:59,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 255 transitions. [2024-11-17 08:47:59,201 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 142 [2024-11-17 08:47:59,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 202 states and 255 transitions. [2024-11-17 08:47:59,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 202 [2024-11-17 08:47:59,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 202 [2024-11-17 08:47:59,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 202 states and 255 transitions. [2024-11-17 08:47:59,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:59,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 202 states and 255 transitions. [2024-11-17 08:47:59,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states and 255 transitions. [2024-11-17 08:47:59,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2024-11-17 08:47:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 202 states have (on average 1.2623762376237624) internal successors, (255), 201 states have internal predecessors, (255), 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 08:47:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 255 transitions. [2024-11-17 08:47:59,210 INFO L240 hiAutomatonCegarLoop]: Abstraction has 202 states and 255 transitions. [2024-11-17 08:47:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:47:59,212 INFO L425 stractBuchiCegarLoop]: Abstraction has 202 states and 255 transitions. [2024-11-17 08:47:59,212 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:47:59,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states and 255 transitions. [2024-11-17 08:47:59,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 142 [2024-11-17 08:47:59,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:59,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:59,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:59,214 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 08:47:59,214 INFO L745 eck$LassoCheckResult]: Stem: 834#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 734#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 720#L933 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 721#L926 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; 814#L941 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 774#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 775#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 729#L300 [2024-11-17 08:47:59,214 INFO L747 eck$LassoCheckResult]: Loop: 729#L300 assume true; 756#L300-1 assume !false; 757#test_while_1_continue#1 assume true; 773#L302 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 802#L310 assume !(0 != test_~tmp~2#1); 871#L318 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 868#L320 assume !(0 != test_~tmp___0~1#1); 818#L328 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 763#L330 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet15#1;test_~tmp___1~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 764#L338 assume 0 != test_~tmp___1~0#1; 769#L345 assume { :begin_inline_timeShift } true; 816#L366-2 assume !(0 != ~pumpRunning~0); 809#L373-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 794#L424-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 795#L398-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 748#L242-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 680#L247-5 assume true;isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1; 681#L526-5 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0; 751#L531-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 813#L532-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1; 786#L402-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 737#L390-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 738#L416-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 690#L442-2 assume true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 797#L381-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 682#L234-2 assume true;__utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; 683#L271-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 706#L285-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 707#L383-2 assume true;assume { :end_inline_timeShift } true; 729#L300 [2024-11-17 08:47:59,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash -684034083, now seen corresponding path program 3 times [2024-11-17 08:47:59,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:59,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400085182] [2024-11-17 08:47:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:59,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:59,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:59,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:59,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1027093615, now seen corresponding path program 1 times [2024-11-17 08:47:59,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:59,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555917774] [2024-11-17 08:47:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:59,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:59,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:59,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:59,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:59,275 INFO L85 PathProgramCache]: Analyzing trace with hash -2140628461, now seen corresponding path program 1 times [2024-11-17 08:47:59,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:59,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469012239] [2024-11-17 08:47:59,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:59,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:59,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:59,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:00,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:00,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:00 BoogieIcfgContainer [2024-11-17 08:48:00,104 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:00,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:00,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:00,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:00,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:58" (3/4) ... [2024-11-17 08:48:00,106 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:00,146 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:00,146 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:00,147 INFO L158 Benchmark]: Toolchain (without parser) took 2546.39ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 99.1MB in the beginning and 100.5MB in the end (delta: -1.4MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:00,147 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 116.4MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:00,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.33ms. Allocated memory is still 157.3MB. Free memory was 99.1MB in the beginning and 78.0MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:00,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.16ms. Allocated memory is still 157.3MB. Free memory was 77.8MB in the beginning and 127.4MB in the end (delta: -49.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-17 08:48:00,148 INFO L158 Benchmark]: Boogie Preprocessor took 69.51ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 127.4MB in the beginning and 184.6MB in the end (delta: -57.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-17 08:48:00,148 INFO L158 Benchmark]: IcfgBuilder took 532.25ms. Allocated memory is still 213.9MB. Free memory was 184.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-17 08:48:00,148 INFO L158 Benchmark]: BuchiAutomizer took 1435.52ms. Allocated memory is still 213.9MB. Free memory was 153.1MB in the beginning and 103.6MB in the end (delta: 49.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-17 08:48:00,149 INFO L158 Benchmark]: Witness Printer took 41.81ms. Allocated memory is still 213.9MB. Free memory was 102.5MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:00,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 116.4MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.33ms. Allocated memory is still 157.3MB. Free memory was 99.1MB in the beginning and 78.0MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.16ms. Allocated memory is still 157.3MB. Free memory was 77.8MB in the beginning and 127.4MB in the end (delta: -49.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.51ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 127.4MB in the beginning and 184.6MB in the end (delta: -57.2MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * IcfgBuilder took 532.25ms. Allocated memory is still 213.9MB. Free memory was 184.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1435.52ms. Allocated memory is still 213.9MB. Free memory was 153.1MB in the beginning and 103.6MB in the end (delta: 49.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Witness Printer took 41.81ms. Allocated memory is still 213.9MB. Free memory was 102.5MB in the beginning and 100.5MB 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [153] - GenericResultAtLocation [Line: 252]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [252] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [261] - GenericResultAtLocation [Line: 288]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [288] - GenericResultAtLocation [Line: 356]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [356] - GenericResultAtLocation [Line: 544]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] - GenericResultAtLocation [Line: 910]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [910] * 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 202 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 330 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 489 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 401 mSDtfsCounter, 33 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: 300]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L359] int pumpRunning = 0; [L360] int systemActive = 1; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L937] int retValue_acc ; [L940] retValue_acc = 1 [L941] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L291] int splverifierCounter ; [L292] int tmp ; [L293] int tmp___0 ; [L294] int tmp___1 ; [L295] int tmp___2 ; [L298] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L300] COND TRUE 1 [L302] COND TRUE splverifierCounter < 4 [L308] tmp = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp)) [L318] tmp___0 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___0)) [L328] tmp___2 = __VERIFIER_nondet_int() [L330] COND FALSE !(\read(tmp___2)) [L336] tmp___1 = __VERIFIER_nondet_int() [L338] COND TRUE \read(tmp___1) [L345] CALL timeShift() [L366] COND FALSE !(\read(pumpRunning)) [L373] COND TRUE \read(systemActive) [L375] CALL processEnvironment() [L421] int tmp ; [L424] COND FALSE !(\read(pumpRunning)) [L439] CALL processEnvironment__wrappee__highWaterSensor() [L395] int tmp ; [L398] COND TRUE ! pumpRunning [L400] CALL, EXPR isHighWaterLevel() [L518] int retValue_acc ; [L519] int tmp ; [L520] int tmp___0 ; [L524] CALL, EXPR isHighWaterSensorDry() [L239] int retValue_acc ; [L242] COND TRUE waterLevel < 2 [L243] retValue_acc = 1 [L244] return (retValue_acc); [L524] RET, EXPR isHighWaterSensorDry() [L524] tmp = isHighWaterSensorDry() [L526] COND TRUE \read(tmp) [L527] tmp___0 = 0 [L531] retValue_acc = tmp___0 [L532] return (retValue_acc); [L400] RET, EXPR isHighWaterLevel() [L400] tmp = isHighWaterLevel() [L402] COND FALSE !(\read(tmp)) [L408] FCALL processEnvironment__wrappee__base() [L439] RET processEnvironment__wrappee__highWaterSensor() [L375] RET processEnvironment() [L381] CALL __utac_acc__Specification4_spec__1() [L264] int tmp ; [L265] int tmp___0 ; [L269] CALL, EXPR getWaterLevel() [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); [L269] RET, EXPR getWaterLevel() [L269] tmp = getWaterLevel() [L271] COND FALSE !(tmp == 0) [L381] RET __utac_acc__Specification4_spec__1() [L345] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 300]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L359] int pumpRunning = 0; [L360] int systemActive = 1; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L937] int retValue_acc ; [L940] retValue_acc = 1 [L941] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L291] int splverifierCounter ; [L292] int tmp ; [L293] int tmp___0 ; [L294] int tmp___1 ; [L295] int tmp___2 ; [L298] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L300] COND TRUE 1 [L302] COND TRUE splverifierCounter < 4 [L308] tmp = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp)) [L318] tmp___0 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___0)) [L328] tmp___2 = __VERIFIER_nondet_int() [L330] COND FALSE !(\read(tmp___2)) [L336] tmp___1 = __VERIFIER_nondet_int() [L338] COND TRUE \read(tmp___1) [L345] CALL timeShift() [L366] COND FALSE !(\read(pumpRunning)) [L373] COND TRUE \read(systemActive) [L375] CALL processEnvironment() [L421] int tmp ; [L424] COND FALSE !(\read(pumpRunning)) [L439] CALL processEnvironment__wrappee__highWaterSensor() [L395] int tmp ; [L398] COND TRUE ! pumpRunning [L400] CALL, EXPR isHighWaterLevel() [L518] int retValue_acc ; [L519] int tmp ; [L520] int tmp___0 ; [L524] CALL, EXPR isHighWaterSensorDry() [L239] int retValue_acc ; [L242] COND TRUE waterLevel < 2 [L243] retValue_acc = 1 [L244] return (retValue_acc); [L524] RET, EXPR isHighWaterSensorDry() [L524] tmp = isHighWaterSensorDry() [L526] COND TRUE \read(tmp) [L527] tmp___0 = 0 [L531] retValue_acc = tmp___0 [L532] return (retValue_acc); [L400] RET, EXPR isHighWaterLevel() [L400] tmp = isHighWaterLevel() [L402] COND FALSE !(\read(tmp)) [L408] FCALL processEnvironment__wrappee__base() [L439] RET processEnvironment__wrappee__highWaterSensor() [L375] RET processEnvironment() [L381] CALL __utac_acc__Specification4_spec__1() [L264] int tmp ; [L265] int tmp___0 ; [L269] CALL, EXPR getWaterLevel() [L230] int retValue_acc ; [L233] retValue_acc = waterLevel [L234] return (retValue_acc); [L269] RET, EXPR getWaterLevel() [L269] tmp = getWaterLevel() [L271] COND FALSE !(tmp == 0) [L381] RET __utac_acc__Specification4_spec__1() [L345] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:00,174 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)