./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:47:38,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:47:38,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:47:38,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:47:38,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:47:38,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:47:38,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:47:38,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:47:38,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:47:38,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:47:38,647 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:47:38,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:47:38,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:47:38,648 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:47:38,648 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:47:38,648 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:47:38,648 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:47:38,648 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:47:38,648 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:47:38,648 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:47:38,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:47:38,649 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:47:38,650 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:47:38,650 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:47:38,650 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:47:38,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:47:38,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:47:38,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:47:38,650 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:47:38,650 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 [2025-02-06 19:47:38,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:47:38,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:47:38,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:47:38,831 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:47:38,832 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:47:38,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2025-02-06 19:47:40,122 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ef0b22d/1a727bb3364d447ca1528183acf03474/FLAG11b945710 [2025-02-06 19:47:40,469 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:47:40,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2025-02-06 19:47:40,480 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ef0b22d/1a727bb3364d447ca1528183acf03474/FLAG11b945710 [2025-02-06 19:47:40,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c1ef0b22d/1a727bb3364d447ca1528183acf03474 [2025-02-06 19:47:40,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:47:40,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:47:40,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:40,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:47:40,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:47:40,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:40" (1/1) ... [2025-02-06 19:47:40,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3f5dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:40, skipping insertion in model container [2025-02-06 19:47:40,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:40" (1/1) ... [2025-02-06 19:47:40,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:47:40,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:40,963 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:47:40,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-02-06 19:47:40,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [304] [2025-02-06 19:47:40,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [376] [2025-02-06 19:47:40,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [427] [2025-02-06 19:47:40,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [793] [2025-02-06 19:47:40,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] [2025-02-06 19:47:40,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [928] [2025-02-06 19:47:40,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [937] [2025-02-06 19:47:41,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:41,056 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:47:41,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41 WrapperNode [2025-02-06 19:47:41,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:41,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:41,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:47:41,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:47:41,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,090 INFO L138 Inliner]: procedures = 60, calls = 107, calls flagged for inlining = 60, calls inlined = 108, statements flattened = 719 [2025-02-06 19:47:41,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:41,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:47:41,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:47:41,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:47:41,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,100 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,120 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 19:47:41,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:47:41,134 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:47:41,134 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:47:41,134 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:47:41,138 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (1/1) ... [2025-02-06 19:47:41,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:41,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:41,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:47:41,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:47:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:47:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:47:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:47:41,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:47:41,244 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:47:41,246 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:47:41,685 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1028-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L204-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1037-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1037-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1037-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; [2025-02-06 19:47:41,686 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L259-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-1: main_#res#1 := main_~retValue_acc~7#1; [2025-02-06 19:47:41,687 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-02-06 19:47:41,715 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2025-02-06 19:47:41,715 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:47:41,724 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:47:41,724 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:47:41,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:41 BoogieIcfgContainer [2025-02-06 19:47:41,724 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:47:41,725 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:47:41,725 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:47:41,728 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:47:41,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:41,729 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:47:40" (1/3) ... [2025-02-06 19:47:41,730 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fc1dcdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:41, skipping insertion in model container [2025-02-06 19:47:41,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:41,730 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:41" (2/3) ... [2025-02-06 19:47:41,730 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fc1dcdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:41, skipping insertion in model container [2025-02-06 19:47:41,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:41,730 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:41" (3/3) ... [2025-02-06 19:47:41,731 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2025-02-06 19:47:41,783 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:47:41,783 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:47:41,783 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:47:41,783 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:47:41,783 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:47:41,784 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:47:41,784 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:47:41,784 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:47:41,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 202 states, 201 states have (on average 1.3432835820895523) internal successors, (270), 201 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:41,808 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 131 [2025-02-06 19:47:41,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:41,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:41,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:41,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:41,814 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:47:41,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 202 states, 201 states have (on average 1.3432835820895523) internal successors, (270), 201 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:41,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 131 [2025-02-06 19:47:41,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:41,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:41,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:41,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:41,829 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:47:41,829 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:41,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:41,833 INFO L85 PathProgramCache]: Analyzing trace with hash -224101606, now seen corresponding path program 1 times [2025-02-06 19:47:41,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:41,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549318819] [2025-02-06 19:47:41,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:41,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:41,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:41,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:41,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:41,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:41,920 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:41,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:41,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:41,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:41,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:41,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:41,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:41,950 INFO L85 PathProgramCache]: Analyzing trace with hash 484762697, now seen corresponding path program 1 times [2025-02-06 19:47:41,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:41,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230915655] [2025-02-06 19:47:41,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:41,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:41,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 19:47:41,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 19:47:41,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:41,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:42,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:42,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230915655] [2025-02-06 19:47:42,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230915655] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:42,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:42,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:47:42,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645474257] [2025-02-06 19:47:42,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:42,032 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:47:42,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:42,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:47:42,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:47:42,052 INFO L87 Difference]: Start difference. First operand has 202 states, 201 states have (on average 1.3432835820895523) internal successors, (270), 201 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:42,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:42,102 INFO L93 Difference]: Finished difference Result 382 states and 504 transitions. [2025-02-06 19:47:42,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 382 states and 504 transitions. [2025-02-06 19:47:42,108 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 248 [2025-02-06 19:47:42,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 382 states to 362 states and 483 transitions. [2025-02-06 19:47:42,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 362 [2025-02-06 19:47:42,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 362 [2025-02-06 19:47:42,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 362 states and 483 transitions. [2025-02-06 19:47:42,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:42,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 362 states and 483 transitions. [2025-02-06 19:47:42,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states and 483 transitions. [2025-02-06 19:47:42,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 359. [2025-02-06 19:47:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 359 states have (on average 1.3342618384401115) internal successors, (479), 358 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 479 transitions. [2025-02-06 19:47:42,159 INFO L240 hiAutomatonCegarLoop]: Abstraction has 359 states and 479 transitions. [2025-02-06 19:47:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:47:42,161 INFO L432 stractBuchiCegarLoop]: Abstraction has 359 states and 479 transitions. [2025-02-06 19:47:42,161 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:47:42,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 359 states and 479 transitions. [2025-02-06 19:47:42,165 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 245 [2025-02-06 19:47:42,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:42,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:42,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:42,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:42,165 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:47:42,166 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:42,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:42,166 INFO L85 PathProgramCache]: Analyzing trace with hash -224101606, now seen corresponding path program 2 times [2025-02-06 19:47:42,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:42,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290506422] [2025-02-06 19:47:42,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:47:42,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:42,177 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:42,182 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:42,182 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:47:42,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,183 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:42,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:42,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:42,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:42,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:42,192 INFO L85 PathProgramCache]: Analyzing trace with hash 836853437, now seen corresponding path program 1 times [2025-02-06 19:47:42,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:42,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738201065] [2025-02-06 19:47:42,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:42,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:42,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:47:42,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:47:42,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:42,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:42,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738201065] [2025-02-06 19:47:42,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738201065] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:42,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:42,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:47:42,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443696481] [2025-02-06 19:47:42,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:42,212 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:47:42,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:42,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:47:42,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:47:42,213 INFO L87 Difference]: Start difference. First operand 359 states and 479 transitions. cyclomatic complexity: 123 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) [2025-02-06 19:47:42,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:42,328 INFO L93 Difference]: Finished difference Result 497 states and 640 transitions. [2025-02-06 19:47:42,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 497 states and 640 transitions. [2025-02-06 19:47:42,340 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 347 [2025-02-06 19:47:42,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 497 states to 497 states and 640 transitions. [2025-02-06 19:47:42,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 497 [2025-02-06 19:47:42,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 497 [2025-02-06 19:47:42,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 497 states and 640 transitions. [2025-02-06 19:47:42,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:42,352 INFO L218 hiAutomatonCegarLoop]: Abstraction has 497 states and 640 transitions. [2025-02-06 19:47:42,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states and 640 transitions. [2025-02-06 19:47:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 497. [2025-02-06 19:47:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 497 states have (on average 1.2877263581488934) internal successors, (640), 496 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 640 transitions. [2025-02-06 19:47:42,393 INFO L240 hiAutomatonCegarLoop]: Abstraction has 497 states and 640 transitions. [2025-02-06 19:47:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:47:42,394 INFO L432 stractBuchiCegarLoop]: Abstraction has 497 states and 640 transitions. [2025-02-06 19:47:42,394 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:47:42,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 497 states and 640 transitions. [2025-02-06 19:47:42,397 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 347 [2025-02-06 19:47:42,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:42,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:42,398 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:42,398 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] [2025-02-06 19:47:42,398 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:47:42,398 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:42,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:42,399 INFO L85 PathProgramCache]: Analyzing trace with hash -224101606, now seen corresponding path program 3 times [2025-02-06 19:47:42,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:42,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951566321] [2025-02-06 19:47:42,399 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:47:42,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:42,403 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:42,407 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:42,407 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:47:42,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,407 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:42,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:42,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:42,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,415 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:42,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:42,416 INFO L85 PathProgramCache]: Analyzing trace with hash 85666598, now seen corresponding path program 1 times [2025-02-06 19:47:42,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:42,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514076468] [2025-02-06 19:47:42,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:42,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:42,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 19:47:42,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 19:47:42,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:42,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:42,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514076468] [2025-02-06 19:47:42,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514076468] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:42,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:42,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:47:42,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528520618] [2025-02-06 19:47:42,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:42,562 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:47:42,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:42,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:47:42,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:47:42,563 INFO L87 Difference]: Start difference. First operand 497 states and 640 transitions. cyclomatic complexity: 146 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:42,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:42,690 INFO L93 Difference]: Finished difference Result 986 states and 1260 transitions. [2025-02-06 19:47:42,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 986 states and 1260 transitions. [2025-02-06 19:47:42,696 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 694 [2025-02-06 19:47:42,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 986 states to 986 states and 1260 transitions. [2025-02-06 19:47:42,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 986 [2025-02-06 19:47:42,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 986 [2025-02-06 19:47:42,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 986 states and 1260 transitions. [2025-02-06 19:47:42,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:42,712 INFO L218 hiAutomatonCegarLoop]: Abstraction has 986 states and 1260 transitions. [2025-02-06 19:47:42,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states and 1260 transitions. [2025-02-06 19:47:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 980. [2025-02-06 19:47:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 980 states have (on average 1.273469387755102) internal successors, (1248), 979 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1248 transitions. [2025-02-06 19:47:42,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 980 states and 1248 transitions. [2025-02-06 19:47:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:47:42,751 INFO L432 stractBuchiCegarLoop]: Abstraction has 980 states and 1248 transitions. [2025-02-06 19:47:42,751 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:47:42,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 980 states and 1248 transitions. [2025-02-06 19:47:42,759 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 690 [2025-02-06 19:47:42,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:42,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:42,760 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:42,760 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, 1, 1] [2025-02-06 19:47:42,760 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:47:42,760 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1;" "__utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret24#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:42,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:42,762 INFO L85 PathProgramCache]: Analyzing trace with hash -224101606, now seen corresponding path program 4 times [2025-02-06 19:47:42,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:42,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345362099] [2025-02-06 19:47:42,762 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:47:42,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:42,768 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 8 statements into 2 equivalence classes. [2025-02-06 19:47:42,773 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:42,776 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:47:42,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,777 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:42,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:42,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:42,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:42,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:42,792 INFO L85 PathProgramCache]: Analyzing trace with hash 720616164, now seen corresponding path program 1 times [2025-02-06 19:47:42,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:42,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244581161] [2025-02-06 19:47:42,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:42,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:42,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 19:47:42,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 19:47:42,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,825 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:42,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 19:47:42,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 19:47:42,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:42,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:42,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1597381803, now seen corresponding path program 1 times [2025-02-06 19:47:42,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:42,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629513126] [2025-02-06 19:47:42,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:42,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:42,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 19:47:42,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 19:47:42,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,857 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:42,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 19:47:42,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 19:47:42,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:42,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:42,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:43,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:43,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:43,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:43,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:43,952 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:43,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:43,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:43,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:43,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:43,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:47:43 BoogieIcfgContainer [2025-02-06 19:47:43,989 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:47:43,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:47:43,989 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:47:43,989 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:47:43,990 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:41" (3/4) ... [2025-02-06 19:47:43,991 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:47:44,021 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:47:44,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:47:44,022 INFO L158 Benchmark]: Toolchain (without parser) took 3308.72ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 92.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2025-02-06 19:47:44,022 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:44,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.34ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 91.5MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:47:44,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.43ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 88.2MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:47:44,023 INFO L158 Benchmark]: Boogie Preprocessor took 41.86ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 84.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:44,023 INFO L158 Benchmark]: IcfgBuilder took 590.82ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 50.4MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:47:44,023 INFO L158 Benchmark]: BuchiAutomizer took 2263.96ms. Allocated memory is still 142.6MB. Free memory was 49.6MB in the beginning and 95.5MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:44,023 INFO L158 Benchmark]: Witness Printer took 32.20ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 92.0MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:44,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.34ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 91.5MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.43ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 88.2MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.86ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 84.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 590.82ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 50.4MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2263.96ms. Allocated memory is still 142.6MB. Free memory was 49.6MB in the beginning and 95.5MB in the end (delta: -46.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.20ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 92.0MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 304]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [304] - GenericResultAtLocation [Line: 376]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [376] - GenericResultAtLocation [Line: 427]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [427] - GenericResultAtLocation [Line: 793]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [793] - GenericResultAtLocation [Line: 893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] - GenericResultAtLocation [Line: 928]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [928] - GenericResultAtLocation [Line: 937]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [937] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 980 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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, 647 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 647 mSDsluCounter, 1884 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1108 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 776 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 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: 318]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L62] int pumpRunning = 0; [L63] int systemActive = 1; [L379] int switchedOnBeforeTS ; [L597] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L794] int cleanupTimeShifts = 4; [L938] int waterLevel = 1; [L939] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L871] int retValue_acc ; [L872] int tmp ; [L876] FCALL select_helpers() [L877] FCALL select_features() [L878] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L878] RET, EXPR valid_product() [L878] tmp = valid_product() [L880] COND TRUE \read(tmp) [L882] FCALL setup() [L883] CALL runTest() [L861] CALL __utac_acc__Specification5_spec__1() [L384] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L861] RET __utac_acc__Specification5_spec__1() [L862] CALL test() [L309] int splverifierCounter ; [L310] int tmp ; [L311] int tmp___0 ; [L312] int tmp___1 ; [L313] int tmp___2 ; [L316] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L318] COND TRUE 1 [L320] COND TRUE splverifierCounter < 4 [L326] tmp = __VERIFIER_nondet_int() [L328] COND FALSE !(\read(tmp)) [L336] tmp___0 = __VERIFIER_nondet_int() [L338] COND FALSE !(\read(tmp___0)) [L346] tmp___2 = __VERIFIER_nondet_int() [L348] COND TRUE \read(tmp___2) [L350] CALL startSystem() [L300] systemActive = 1 [L350] RET startSystem() [L365] CALL timeShift() [L72] CALL __utac_acc__Specification5_spec__2() [L393] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L393] RET, EXPR isPumpRunning() [L393] switchedOnBeforeTS = isPumpRunning() [L72] RET __utac_acc__Specification5_spec__2() [L74] COND FALSE !(\read(pumpRunning)) [L81] COND TRUE \read(systemActive) [L83] CALL processEnvironment() [L129] int tmp ; [L132] COND FALSE !(\read(pumpRunning)) [L147] CALL processEnvironment__wrappee__highWaterSensor() [L103] int tmp ; [L106] COND TRUE ! pumpRunning [L108] CALL, EXPR isHighWaterLevel() [L244] int retValue_acc ; [L245] int tmp ; [L246] int tmp___0 ; [L250] CALL, EXPR isHighWaterSensorDry() [L1018] int retValue_acc ; [L1021] COND TRUE waterLevel < 2 [L1022] retValue_acc = 1 [L1023] return (retValue_acc); [L250] RET, EXPR isHighWaterSensorDry() [L250] tmp = isHighWaterSensorDry() [L252] COND TRUE \read(tmp) [L253] tmp___0 = 0 [L257] retValue_acc = tmp___0 [L258] return (retValue_acc); [L108] RET, EXPR isHighWaterLevel() [L108] tmp = isHighWaterLevel() [L110] COND FALSE !(\read(tmp)) [L116] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment__wrappee__highWaterSensor() [L83] RET processEnvironment() [L89] CALL __utac_acc__Specification5_spec__3() [L399] int tmp ; [L400] int tmp___0 ; [L404] CALL, EXPR getWaterLevel() [L1009] int retValue_acc ; [L1012] retValue_acc = waterLevel [L1013] return (retValue_acc); [L404] RET, EXPR getWaterLevel() [L404] tmp = getWaterLevel() [L406] COND TRUE tmp != 2 [L408] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L408] RET, EXPR isPumpRunning() [L408] tmp___0 = isPumpRunning() [L410] COND FALSE !(\read(tmp___0)) [L89] RET __utac_acc__Specification5_spec__3() [L365] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 318]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L62] int pumpRunning = 0; [L63] int systemActive = 1; [L379] int switchedOnBeforeTS ; [L597] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L794] int cleanupTimeShifts = 4; [L938] int waterLevel = 1; [L939] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L871] int retValue_acc ; [L872] int tmp ; [L876] FCALL select_helpers() [L877] FCALL select_features() [L878] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L878] RET, EXPR valid_product() [L878] tmp = valid_product() [L880] COND TRUE \read(tmp) [L882] FCALL setup() [L883] CALL runTest() [L861] CALL __utac_acc__Specification5_spec__1() [L384] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L861] RET __utac_acc__Specification5_spec__1() [L862] CALL test() [L309] int splverifierCounter ; [L310] int tmp ; [L311] int tmp___0 ; [L312] int tmp___1 ; [L313] int tmp___2 ; [L316] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L318] COND TRUE 1 [L320] COND TRUE splverifierCounter < 4 [L326] tmp = __VERIFIER_nondet_int() [L328] COND FALSE !(\read(tmp)) [L336] tmp___0 = __VERIFIER_nondet_int() [L338] COND FALSE !(\read(tmp___0)) [L346] tmp___2 = __VERIFIER_nondet_int() [L348] COND TRUE \read(tmp___2) [L350] CALL startSystem() [L300] systemActive = 1 [L350] RET startSystem() [L365] CALL timeShift() [L72] CALL __utac_acc__Specification5_spec__2() [L393] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L393] RET, EXPR isPumpRunning() [L393] switchedOnBeforeTS = isPumpRunning() [L72] RET __utac_acc__Specification5_spec__2() [L74] COND FALSE !(\read(pumpRunning)) [L81] COND TRUE \read(systemActive) [L83] CALL processEnvironment() [L129] int tmp ; [L132] COND FALSE !(\read(pumpRunning)) [L147] CALL processEnvironment__wrappee__highWaterSensor() [L103] int tmp ; [L106] COND TRUE ! pumpRunning [L108] CALL, EXPR isHighWaterLevel() [L244] int retValue_acc ; [L245] int tmp ; [L246] int tmp___0 ; [L250] CALL, EXPR isHighWaterSensorDry() [L1018] int retValue_acc ; [L1021] COND TRUE waterLevel < 2 [L1022] retValue_acc = 1 [L1023] return (retValue_acc); [L250] RET, EXPR isHighWaterSensorDry() [L250] tmp = isHighWaterSensorDry() [L252] COND TRUE \read(tmp) [L253] tmp___0 = 0 [L257] retValue_acc = tmp___0 [L258] return (retValue_acc); [L108] RET, EXPR isHighWaterLevel() [L108] tmp = isHighWaterLevel() [L110] COND FALSE !(\read(tmp)) [L116] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment__wrappee__highWaterSensor() [L83] RET processEnvironment() [L89] CALL __utac_acc__Specification5_spec__3() [L399] int tmp ; [L400] int tmp___0 ; [L404] CALL, EXPR getWaterLevel() [L1009] int retValue_acc ; [L1012] retValue_acc = waterLevel [L1013] return (retValue_acc); [L404] RET, EXPR getWaterLevel() [L404] tmp = getWaterLevel() [L406] COND TRUE tmp != 2 [L408] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L408] RET, EXPR isPumpRunning() [L408] tmp___0 = isPumpRunning() [L410] COND FALSE !(\read(tmp___0)) [L89] RET __utac_acc__Specification5_spec__3() [L365] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:47:44,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)