./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product61.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_spec1_product61.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 f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:44:46,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:44:46,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:44:46,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:44:46,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:44:46,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:44:46,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:44:46,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:44:46,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:44:46,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:44:46,267 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:44:46,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:44:46,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:44:46,268 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:44:46,268 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:44:46,268 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:44:46,268 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:44:46,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:44:46,269 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:44:46,270 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:44:46,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:44:46,270 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:44:46,270 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:44:46,270 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:44:46,270 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:44:46,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:44:46,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:44:46,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:44:46,271 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:44:46,271 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 -> f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f [2025-02-06 19:44:46,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:44:46,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:44:46,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:44:46,520 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:44:46,520 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:44:46,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2025-02-06 19:44:47,610 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbf65743f/3691fb5184024d5c8a260577f51912d1/FLAGbe11fb840 [2025-02-06 19:44:47,865 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:44:47,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2025-02-06 19:44:47,874 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbf65743f/3691fb5184024d5c8a260577f51912d1/FLAGbe11fb840 [2025-02-06 19:44:47,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fbf65743f/3691fb5184024d5c8a260577f51912d1 [2025-02-06 19:44:47,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:44:47,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:44:47,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:47,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:44:47,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:44:47,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49253db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:47, skipping insertion in model container [2025-02-06 19:44:47,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:47" (1/1) ... [2025-02-06 19:44:47,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:44:48,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:48,093 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:44:48,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-02-06 19:44:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2025-02-06 19:44:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [198] [2025-02-06 19:44:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [207] [2025-02-06 19:44:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [234] [2025-02-06 19:44:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [333] [2025-02-06 19:44:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [575] [2025-02-06 19:44:48,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [640] [2025-02-06 19:44:48,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:48,182 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:44:48,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48 WrapperNode [2025-02-06 19:44:48,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:48,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:48,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:44:48,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:44:48,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,240 INFO L138 Inliner]: procedures = 57, calls = 105, calls flagged for inlining = 58, calls inlined = 176, statements flattened = 1197 [2025-02-06 19:44:48,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:48,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:44:48,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:44:48,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:44:48,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,278 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 19:44:48,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:44:48,309 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:44:48,309 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:44:48,309 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:44:48,313 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (1/1) ... [2025-02-06 19:44:48,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:44:48,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:44:48,340 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 19:44:48,342 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 19:44:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:44:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:44:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:44:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:44:48,423 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:44:48,424 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:44:49,031 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:44:49,031 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:44:49,031 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L498-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L572-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-02-06 19:44:49,032 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L186-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,033 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,034 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L553-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,035 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L489-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L195-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:49,036 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L330-1: main_#res#1 := main_~retValue_acc~6#1; [2025-02-06 19:44:49,069 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2025-02-06 19:44:49,070 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:44:49,080 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:44:49,080 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:44:49,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:49 BoogieIcfgContainer [2025-02-06 19:44:49,080 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:44:49,081 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:44:49,081 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:44:49,085 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:44:49,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:49,085 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:44:47" (1/3) ... [2025-02-06 19:44:49,086 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@83792e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:49, skipping insertion in model container [2025-02-06 19:44:49,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:49,086 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:48" (2/3) ... [2025-02-06 19:44:49,086 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@83792e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:49, skipping insertion in model container [2025-02-06 19:44:49,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:49,087 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:49" (3/3) ... [2025-02-06 19:44:49,088 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2025-02-06 19:44:49,129 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:44:49,129 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:44:49,129 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:44:49,129 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:44:49,129 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:44:49,129 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:44:49,129 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:44:49,130 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:44:49,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 319 states, 318 states have (on average 1.3459119496855345) internal successors, (428), 318 states have internal predecessors, (428), 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 19:44:49,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 208 [2025-02-06 19:44:49,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:49,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:49,155 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:49,156 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:49,156 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:44:49,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 319 states, 318 states have (on average 1.3459119496855345) internal successors, (428), 318 states have internal predecessors, (428), 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 19:44:49,163 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 208 [2025-02-06 19:44:49,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:49,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:49,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:49,164 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:49,167 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:49,168 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~8#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet29#1;test_~tmp___0~3#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:49,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:49,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2008811213, now seen corresponding path program 1 times [2025-02-06 19:44:49,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:49,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165995542] [2025-02-06 19:44:49,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:49,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:49,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:49,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:49,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,239 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:49,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:49,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:49,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:49,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:49,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1256187407, now seen corresponding path program 1 times [2025-02-06 19:44:49,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:49,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725369428] [2025-02-06 19:44:49,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:49,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:44:49,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:44:49,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,270 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:49,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:44:49,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:44:49,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:49,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:49,282 INFO L85 PathProgramCache]: Analyzing trace with hash 768104063, now seen corresponding path program 1 times [2025-02-06 19:44:49,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:49,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039431478] [2025-02-06 19:44:49,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:49,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:49,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:44:49,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:44:49,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:49,419 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 19:44:49,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:49,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039431478] [2025-02-06 19:44:49,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039431478] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:49,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:49,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:44:49,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461978710] [2025-02-06 19:44:49,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:49,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:49,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 19:44:49,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 19:44:49,500 INFO L87 Difference]: Start difference. First operand has 319 states, 318 states have (on average 1.3459119496855345) internal successors, (428), 318 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:49,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:49,570 INFO L93 Difference]: Finished difference Result 313 states and 413 transitions. [2025-02-06 19:44:49,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 313 states and 413 transitions. [2025-02-06 19:44:49,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 202 [2025-02-06 19:44:49,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 313 states to 303 states and 403 transitions. [2025-02-06 19:44:49,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 303 [2025-02-06 19:44:49,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 303 [2025-02-06 19:44:49,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 303 states and 403 transitions. [2025-02-06 19:44:49,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:49,586 INFO L218 hiAutomatonCegarLoop]: Abstraction has 303 states and 403 transitions. [2025-02-06 19:44:49,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states and 403 transitions. [2025-02-06 19:44:49,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2025-02-06 19:44:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 303 states have (on average 1.33003300330033) internal successors, (403), 302 states have internal predecessors, (403), 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 19:44:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 403 transitions. [2025-02-06 19:44:49,609 INFO L240 hiAutomatonCegarLoop]: Abstraction has 303 states and 403 transitions. [2025-02-06 19:44:49,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:44:49,612 INFO L432 stractBuchiCegarLoop]: Abstraction has 303 states and 403 transitions. [2025-02-06 19:44:49,612 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:44:49,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 403 transitions. [2025-02-06 19:44:49,616 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 202 [2025-02-06 19:44:49,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:49,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:49,617 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:49,618 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:49,618 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:49,618 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~8#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet29#1;test_~tmp___0~3#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret17#1, isMethaneAlarm_~retValue_acc~7#1;havoc isMethaneAlarm_~retValue_acc~7#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "isMethaneAlarm_#t~ret17#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~7#1 := isMethaneAlarm_#t~ret17#1;havoc isMethaneAlarm_#t~ret17#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1;" "processEnvironment_#t~ret15#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret17#1, isMethaneAlarm_~retValue_acc~7#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret15#1;havoc processEnvironment_#t~ret15#1;" "assume 0 != processEnvironment_~tmp~4#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:49,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:49,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2008811213, now seen corresponding path program 2 times [2025-02-06 19:44:49,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:49,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142450072] [2025-02-06 19:44:49,619 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:44:49,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:49,623 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:49,632 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:49,632 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:44:49,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,633 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:49,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:49,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:49,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:49,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:49,640 INFO L85 PathProgramCache]: Analyzing trace with hash 592086969, now seen corresponding path program 1 times [2025-02-06 19:44:49,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:49,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864155029] [2025-02-06 19:44:49,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:49,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:49,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:44:49,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:44:49,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:49,662 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 19:44:49,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:49,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864155029] [2025-02-06 19:44:49,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864155029] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:49,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:49,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:44:49,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812066266] [2025-02-06 19:44:49,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:49,662 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:44:49,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:49,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:44:49,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:44:49,663 INFO L87 Difference]: Start difference. First operand 303 states and 403 transitions. cyclomatic complexity: 102 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 19:44:49,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:49,757 INFO L93 Difference]: Finished difference Result 308 states and 388 transitions. [2025-02-06 19:44:49,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 308 states and 388 transitions. [2025-02-06 19:44:49,759 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 210 [2025-02-06 19:44:49,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 308 states to 308 states and 388 transitions. [2025-02-06 19:44:49,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 308 [2025-02-06 19:44:49,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 308 [2025-02-06 19:44:49,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 388 transitions. [2025-02-06 19:44:49,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:49,765 INFO L218 hiAutomatonCegarLoop]: Abstraction has 308 states and 388 transitions. [2025-02-06 19:44:49,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 388 transitions. [2025-02-06 19:44:49,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2025-02-06 19:44:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 308 states have (on average 1.2597402597402598) internal successors, (388), 307 states have internal predecessors, (388), 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 19:44:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 388 transitions. [2025-02-06 19:44:49,772 INFO L240 hiAutomatonCegarLoop]: Abstraction has 308 states and 388 transitions. [2025-02-06 19:44:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:44:49,773 INFO L432 stractBuchiCegarLoop]: Abstraction has 308 states and 388 transitions. [2025-02-06 19:44:49,773 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:44:49,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 388 transitions. [2025-02-06 19:44:49,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 210 [2025-02-06 19:44:49,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:49,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:49,775 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:49,775 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] [2025-02-06 19:44:49,775 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:49,775 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet28#1;test_~tmp~8#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp~8#1);" "havoc test_#t~nondet29#1;test_~tmp___0~3#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~3#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1;" "isHighWaterLevel_#t~ret26#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret26#1;havoc isHighWaterLevel_#t~ret26#1;" "assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret26#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret13#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret13#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret14#1, processEnvironment__wrappee__methaneQuery_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret15#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:49,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash -2008811213, now seen corresponding path program 3 times [2025-02-06 19:44:49,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:49,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815205809] [2025-02-06 19:44:49,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:44:49,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:49,780 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:49,784 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:49,784 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:44:49,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,784 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:49,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:49,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:49,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:49,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:49,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1849359873, now seen corresponding path program 1 times [2025-02-06 19:44:49,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:49,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946310079] [2025-02-06 19:44:49,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:49,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:49,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:44:49,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:44:49,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,823 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:49,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:44:49,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:44:49,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:49,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:49,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1965418445, now seen corresponding path program 1 times [2025-02-06 19:44:49,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:49,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872877457] [2025-02-06 19:44:49,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:49,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:49,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 19:44:49,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 19:44:49,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,847 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:49,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 19:44:49,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 19:44:49,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:49,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:49,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:50,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:50,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:50,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:50,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:50,488 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:50,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:50,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:50,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:50,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:50,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:44:50 BoogieIcfgContainer [2025-02-06 19:44:50,535 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:44:50,535 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:44:50,536 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:44:50,536 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:44:50,536 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:49" (3/4) ... [2025-02-06 19:44:50,538 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:44:50,569 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:44:50,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:44:50,570 INFO L158 Benchmark]: Toolchain (without parser) took 2681.98ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 51.8MB in the end (delta: 59.9MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:50,570 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:50,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.57ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 93.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:50,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.42ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 88.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:44:50,571 INFO L158 Benchmark]: Boogie Preprocessor took 67.93ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 84.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:50,571 INFO L158 Benchmark]: IcfgBuilder took 771.31ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 99.8MB in the end (delta: -15.3MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2025-02-06 19:44:50,571 INFO L158 Benchmark]: BuchiAutomizer took 1453.89ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 55.4MB in the end (delta: 43.6MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2025-02-06 19:44:50,571 INFO L158 Benchmark]: Witness Printer took 34.00ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 51.8MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:50,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.57ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 93.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.42ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 88.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.93ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 84.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 771.31ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 99.8MB in the end (delta: -15.3MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1453.89ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 55.4MB in the end (delta: 43.6MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 34.00ms. Allocated memory is still 142.6MB. Free memory was 55.4MB in the beginning and 51.8MB in the end (delta: 3.6MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 198]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [198] - GenericResultAtLocation [Line: 207]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [207] - GenericResultAtLocation [Line: 234]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [234] - GenericResultAtLocation [Line: 333]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [333] - GenericResultAtLocation [Line: 575]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [575] - GenericResultAtLocation [Line: 640]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [640] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 308 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 632 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 632 mSDsluCounter, 1631 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 934 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 697 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 586]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L235] int cleanupTimeShifts = 4; [L336] int pumpRunning = 0; [L337] int systemActive = 1; [L810] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L311] int retValue_acc ; [L312] int tmp ; [L316] FCALL select_helpers() [L317] FCALL select_features() [L318] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L318] RET, EXPR valid_product() [L318] tmp = valid_product() [L320] COND TRUE \read(tmp) [L322] FCALL setup() [L323] CALL runTest() [L305] CALL test() [L577] int splverifierCounter ; [L578] int tmp ; [L579] int tmp___0 ; [L580] int tmp___1 ; [L581] int tmp___2 ; [L584] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L586] COND TRUE 1 [L588] COND TRUE splverifierCounter < 4 [L594] tmp = __VERIFIER_nondet_int() [L596] COND FALSE !(\read(tmp)) [L604] tmp___0 = __VERIFIER_nondet_int() [L606] COND FALSE !(\read(tmp___0)) [L614] tmp___2 = __VERIFIER_nondet_int() [L616] COND TRUE \read(tmp___2) [L629] CALL timeShift() [L343] COND FALSE !(\read(pumpRunning)) [L350] COND TRUE \read(systemActive) [L352] CALL processEnvironment() [L424] int tmp ; [L427] COND FALSE !(\read(pumpRunning)) [L442] CALL processEnvironment__wrappee__methaneQuery() [L398] int tmp ; [L401] COND FALSE !(\read(pumpRunning)) [L416] CALL processEnvironment__wrappee__highWaterSensor() [L372] int tmp ; [L375] COND TRUE ! pumpRunning [L377] CALL, EXPR isHighWaterLevel() [L538] int retValue_acc ; [L539] int tmp ; [L540] int tmp___0 ; [L544] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L544] RET, EXPR isHighWaterSensorDry() [L544] tmp = isHighWaterSensorDry() [L546] COND TRUE \read(tmp) [L547] tmp___0 = 0 [L551] retValue_acc = tmp___0 [L552] return (retValue_acc); [L377] RET, EXPR isHighWaterLevel() [L377] tmp = isHighWaterLevel() [L379] COND FALSE !(\read(tmp)) [L385] FCALL processEnvironment__wrappee__base() [L416] RET processEnvironment__wrappee__highWaterSensor() [L442] RET processEnvironment__wrappee__methaneQuery() [L352] RET processEnvironment() [L358] CALL __utac_acc__Specification1_spec__1() [L210] int tmp ; [L211] int tmp___0 ; [L215] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L215] RET, EXPR isMethaneLevelCritical() [L215] tmp = isMethaneLevelCritical() [L217] COND FALSE !(\read(tmp)) [L358] RET __utac_acc__Specification1_spec__1() [L629] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 586]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L96] int waterLevel = 1; [L97] int methaneLevelCritical = 0; [L235] int cleanupTimeShifts = 4; [L336] int pumpRunning = 0; [L337] int systemActive = 1; [L810] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L311] int retValue_acc ; [L312] int tmp ; [L316] FCALL select_helpers() [L317] FCALL select_features() [L318] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L318] RET, EXPR valid_product() [L318] tmp = valid_product() [L320] COND TRUE \read(tmp) [L322] FCALL setup() [L323] CALL runTest() [L305] CALL test() [L577] int splverifierCounter ; [L578] int tmp ; [L579] int tmp___0 ; [L580] int tmp___1 ; [L581] int tmp___2 ; [L584] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L586] COND TRUE 1 [L588] COND TRUE splverifierCounter < 4 [L594] tmp = __VERIFIER_nondet_int() [L596] COND FALSE !(\read(tmp)) [L604] tmp___0 = __VERIFIER_nondet_int() [L606] COND FALSE !(\read(tmp___0)) [L614] tmp___2 = __VERIFIER_nondet_int() [L616] COND TRUE \read(tmp___2) [L629] CALL timeShift() [L343] COND FALSE !(\read(pumpRunning)) [L350] COND TRUE \read(systemActive) [L352] CALL processEnvironment() [L424] int tmp ; [L427] COND FALSE !(\read(pumpRunning)) [L442] CALL processEnvironment__wrappee__methaneQuery() [L398] int tmp ; [L401] COND FALSE !(\read(pumpRunning)) [L416] CALL processEnvironment__wrappee__highWaterSensor() [L372] int tmp ; [L375] COND TRUE ! pumpRunning [L377] CALL, EXPR isHighWaterLevel() [L538] int retValue_acc ; [L539] int tmp ; [L540] int tmp___0 ; [L544] CALL, EXPR isHighWaterSensorDry() [L176] int retValue_acc ; [L179] COND TRUE waterLevel < 2 [L180] retValue_acc = 1 [L181] return (retValue_acc); [L544] RET, EXPR isHighWaterSensorDry() [L544] tmp = isHighWaterSensorDry() [L546] COND TRUE \read(tmp) [L547] tmp___0 = 0 [L551] retValue_acc = tmp___0 [L552] return (retValue_acc); [L377] RET, EXPR isHighWaterLevel() [L377] tmp = isHighWaterLevel() [L379] COND FALSE !(\read(tmp)) [L385] FCALL processEnvironment__wrappee__base() [L416] RET processEnvironment__wrappee__highWaterSensor() [L442] RET processEnvironment__wrappee__methaneQuery() [L352] RET processEnvironment() [L358] CALL __utac_acc__Specification1_spec__1() [L210] int tmp ; [L211] int tmp___0 ; [L215] CALL, EXPR isMethaneLevelCritical() [L135] int retValue_acc ; [L138] retValue_acc = methaneLevelCritical [L139] return (retValue_acc); [L215] RET, EXPR isMethaneLevelCritical() [L215] tmp = isMethaneLevelCritical() [L217] COND FALSE !(\read(tmp)) [L358] RET __utac_acc__Specification1_spec__1() [L629] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:44:50,586 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)