./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product63.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_spec3_product63.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 a80dbad4927e9382ff212f6acae971cadaba99bba92d1fbe50466813cfe135a1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:46:13,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:46:13,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:46:13,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:46:13,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:46:13,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:46:13,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:46:13,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:46:13,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:46:13,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:46:13,112 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:46:13,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:46:13,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:46:13,113 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:46:13,113 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:46:13,113 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:46:13,113 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:46:13,113 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:46:13,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:46:13,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:46:13,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:46:13,115 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:46:13,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:46:13,115 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:46:13,115 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:46:13,115 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:46:13,115 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:46:13,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:46:13,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:46:13,116 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:46:13,116 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:46:13,116 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 -> a80dbad4927e9382ff212f6acae971cadaba99bba92d1fbe50466813cfe135a1 [2025-02-06 19:46:13,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:46:13,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:46:13,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:46:13,370 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:46:13,371 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:46:13,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2025-02-06 19:46:14,556 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7433c8701/c70d5f2b96cd429894d7a5a5b7a28658/FLAG24c31799d [2025-02-06 19:46:14,859 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:46:14,860 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2025-02-06 19:46:14,874 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7433c8701/c70d5f2b96cd429894d7a5a5b7a28658/FLAG24c31799d [2025-02-06 19:46:15,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7433c8701/c70d5f2b96cd429894d7a5a5b7a28658 [2025-02-06 19:46:15,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:46:15,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:46:15,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:46:15,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:46:15,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:46:15,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0c116d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15, skipping insertion in model container [2025-02-06 19:46:15,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:46:15,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:46:15,380 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:46:15,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2025-02-06 19:46:15,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2025-02-06 19:46:15,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] [2025-02-06 19:46:15,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [453] [2025-02-06 19:46:15,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [520] [2025-02-06 19:46:15,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [624] [2025-02-06 19:46:15,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [633] [2025-02-06 19:46:15,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [667] [2025-02-06 19:46:15,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:46:15,458 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:46:15,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15 WrapperNode [2025-02-06 19:46:15,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:46:15,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:46:15,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:46:15,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:46:15,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,524 INFO L138 Inliner]: procedures = 58, calls = 108, calls flagged for inlining = 61, calls inlined = 181, statements flattened = 1237 [2025-02-06 19:46:15,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:46:15,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:46:15,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:46:15,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:46:15,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,567 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 19:46:15,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,592 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:46:15,609 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:46:15,610 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:46:15,610 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:46:15,610 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (1/1) ... [2025-02-06 19:46:15,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:46:15,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:46:15,638 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 19:46:15,640 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 19:46:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:46:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:46:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:46:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:46:15,704 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:46:15,706 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:46:16,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L598-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L598-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L598-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,321 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,321 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,321 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,321 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,321 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,321 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,321 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L435-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L435-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L435-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L435-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L435-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L435-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~6#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2025-02-06 19:46:16,322 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L612-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L185-1: valid_product_#res#1 := valid_product_~retValue_acc~2#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L416-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,323 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L352-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-02-06 19:46:16,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-02-06 19:46:16,326 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-02-06 19:46:16,326 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-02-06 19:46:16,326 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-02-06 19:46:16,326 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~10#1; [2025-02-06 19:46:16,326 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L361-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-02-06 19:46:16,326 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L361-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-02-06 19:46:16,327 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L361-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; [2025-02-06 19:46:16,356 INFO L? ?]: Removed 319 outVars from TransFormulas that were not future-live. [2025-02-06 19:46:16,356 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:46:16,370 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:46:16,370 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:46:16,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:46:16 BoogieIcfgContainer [2025-02-06 19:46:16,370 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:46:16,371 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:46:16,371 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:46:16,375 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:46:16,375 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:46:16,376 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:46:15" (1/3) ... [2025-02-06 19:46:16,376 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@639295ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:46:16, skipping insertion in model container [2025-02-06 19:46:16,376 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:46:16,376 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:46:15" (2/3) ... [2025-02-06 19:46:16,377 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@639295ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:46:16, skipping insertion in model container [2025-02-06 19:46:16,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:46:16,377 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:46:16" (3/3) ... [2025-02-06 19:46:16,378 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product63.cil.c [2025-02-06 19:46:16,423 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:46:16,423 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:46:16,423 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:46:16,423 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:46:16,423 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:46:16,423 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:46:16,423 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:46:16,423 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:46:16,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 329 states, 328 states have (on average 1.3475609756097562) internal successors, (442), 328 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:16,461 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 216 [2025-02-06 19:46:16,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:16,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:16,466 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:16,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:16,466 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:46:16,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 329 states, 328 states have (on average 1.3475609756097562) internal successors, (442), 328 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:46:16,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 216 [2025-02-06 19:46:16,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:16,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:16,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:16,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:16,485 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#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 19:46:16,486 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet21#1;test_~tmp~7#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet22#1;test_~tmp___0~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_#t~ret32#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret30#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_#t~ret32#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:46:16,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:16,490 INFO L85 PathProgramCache]: Analyzing trace with hash -556469268, now seen corresponding path program 1 times [2025-02-06 19:46:16,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:16,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928730419] [2025-02-06 19:46:16,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:16,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:16,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:16,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:16,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:16,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:16,550 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:16,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:16,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:16,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:16,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:16,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:16,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:16,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1689390102, now seen corresponding path program 1 times [2025-02-06 19:46:16,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:16,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857391124] [2025-02-06 19:46:16,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:16,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:16,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:46:16,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:46:16,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:16,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:16,588 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:16,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:46:16,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:46:16,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:16,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:16,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:16,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:16,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1081822367, now seen corresponding path program 1 times [2025-02-06 19:46:16,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:16,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387772095] [2025-02-06 19:46:16,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:16,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:16,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:46:16,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:46:16,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:16,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:46:16,682 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 19:46:16,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:46:16,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387772095] [2025-02-06 19:46:16,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387772095] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:46:16,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:46:16,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:46:16,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246059026] [2025-02-06 19:46:16,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:46:16,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:46:16,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:46:16,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:46:16,753 INFO L87 Difference]: Start difference. First operand has 329 states, 328 states have (on average 1.3475609756097562) internal successors, (442), 328 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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 19:46:16,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:46:16,811 INFO L93 Difference]: Finished difference Result 638 states and 850 transitions. [2025-02-06 19:46:16,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 638 states and 850 transitions. [2025-02-06 19:46:16,819 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 416 [2025-02-06 19:46:16,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 638 states to 618 states and 829 transitions. [2025-02-06 19:46:16,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 618 [2025-02-06 19:46:16,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 618 [2025-02-06 19:46:16,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 618 states and 829 transitions. [2025-02-06 19:46:16,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:46:16,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 618 states and 829 transitions. [2025-02-06 19:46:16,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states and 829 transitions. [2025-02-06 19:46:16,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 615. [2025-02-06 19:46:16,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 615 states have (on average 1.3414634146341464) internal successors, (825), 614 states have internal predecessors, (825), 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 19:46:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 825 transitions. [2025-02-06 19:46:16,872 INFO L240 hiAutomatonCegarLoop]: Abstraction has 615 states and 825 transitions. [2025-02-06 19:46:16,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:46:16,876 INFO L432 stractBuchiCegarLoop]: Abstraction has 615 states and 825 transitions. [2025-02-06 19:46:16,876 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:46:16,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 615 states and 825 transitions. [2025-02-06 19:46:16,879 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 416 [2025-02-06 19:46:16,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:16,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:16,879 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:16,879 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 19:46:16,880 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#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 19:46:16,880 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet21#1;test_~tmp~7#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet22#1;test_~tmp___0~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#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~ret8#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret10#1, isMethaneAlarm_~retValue_acc~3#1;havoc isMethaneAlarm_~retValue_acc~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "isMethaneAlarm_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~3#1 := isMethaneAlarm_#t~ret10#1;havoc isMethaneAlarm_#t~ret10#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~3#1;" "processEnvironment_#t~ret8#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret10#1, isMethaneAlarm_~retValue_acc~3#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret8#1;havoc processEnvironment_#t~ret8#1;" "assume 0 != processEnvironment_~tmp~3#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_#t~ret32#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret30#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_#t~ret32#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:46:16,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:16,880 INFO L85 PathProgramCache]: Analyzing trace with hash -556469268, now seen corresponding path program 2 times [2025-02-06 19:46:16,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:16,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457356497] [2025-02-06 19:46:16,881 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:46:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:16,885 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:16,893 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:16,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:46:16,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:16,893 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:16,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:16,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:16,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:16,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:16,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:16,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:16,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1548421554, now seen corresponding path program 1 times [2025-02-06 19:46:16,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:16,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826346943] [2025-02-06 19:46:16,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:16,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:16,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:46:16,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:46:16,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:16,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:46:16,934 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 19:46:16,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:46:16,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826346943] [2025-02-06 19:46:16,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826346943] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:46:16,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:46:16,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:46:16,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360029456] [2025-02-06 19:46:16,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:46:16,935 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:46:16,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:46:16,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:46:16,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:46:16,936 INFO L87 Difference]: Start difference. First operand 615 states and 825 transitions. cyclomatic complexity: 214 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 19:46:17,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:46:17,024 INFO L93 Difference]: Finished difference Result 638 states and 817 transitions. [2025-02-06 19:46:17,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 638 states and 817 transitions. [2025-02-06 19:46:17,028 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 441 [2025-02-06 19:46:17,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 638 states to 638 states and 817 transitions. [2025-02-06 19:46:17,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 638 [2025-02-06 19:46:17,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 638 [2025-02-06 19:46:17,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 638 states and 817 transitions. [2025-02-06 19:46:17,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:46:17,033 INFO L218 hiAutomatonCegarLoop]: Abstraction has 638 states and 817 transitions. [2025-02-06 19:46:17,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states and 817 transitions. [2025-02-06 19:46:17,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2025-02-06 19:46:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 638 states have (on average 1.280564263322884) internal successors, (817), 637 states have internal predecessors, (817), 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 19:46:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 817 transitions. [2025-02-06 19:46:17,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 638 states and 817 transitions. [2025-02-06 19:46:17,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:46:17,052 INFO L432 stractBuchiCegarLoop]: Abstraction has 638 states and 817 transitions. [2025-02-06 19:46:17,052 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:46:17,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 638 states and 817 transitions. [2025-02-06 19:46:17,054 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 441 [2025-02-06 19:46:17,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:17,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:17,055 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:17,055 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 19:46:17,055 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#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 19:46:17,056 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet21#1;test_~tmp~7#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet22#1;test_~tmp___0~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#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~ret8#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret7#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret6#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1;" "isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret6#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret6#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret6#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret6#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret7#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_#t~ret32#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret30#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_#t~ret32#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:46:17,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:17,056 INFO L85 PathProgramCache]: Analyzing trace with hash -556469268, now seen corresponding path program 3 times [2025-02-06 19:46:17,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:17,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612241272] [2025-02-06 19:46:17,056 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:46:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:17,064 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:17,067 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:17,067 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:46:17,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,067 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:17,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:17,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:17,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:17,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:17,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1470835130, now seen corresponding path program 1 times [2025-02-06 19:46:17,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:17,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143959302] [2025-02-06 19:46:17,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:17,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:17,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:46:17,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:46:17,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,100 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:17,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:46:17,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:46:17,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:17,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:17,112 INFO L85 PathProgramCache]: Analyzing trace with hash 851205925, now seen corresponding path program 1 times [2025-02-06 19:46:17,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:17,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430499061] [2025-02-06 19:46:17,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:17,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:17,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 19:46:17,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 19:46:17,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:46:17,201 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 19:46:17,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:46:17,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430499061] [2025-02-06 19:46:17,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430499061] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:46:17,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:46:17,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:46:17,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057969762] [2025-02-06 19:46:17,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:46:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:46:17,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:46:17,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:46:17,306 INFO L87 Difference]: Start difference. First operand 638 states and 817 transitions. cyclomatic complexity: 183 Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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 19:46:17,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:46:17,421 INFO L93 Difference]: Finished difference Result 1269 states and 1611 transitions. [2025-02-06 19:46:17,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1269 states and 1611 transitions. [2025-02-06 19:46:17,427 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 882 [2025-02-06 19:46:17,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1269 states to 1269 states and 1611 transitions. [2025-02-06 19:46:17,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1269 [2025-02-06 19:46:17,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1269 [2025-02-06 19:46:17,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1269 states and 1611 transitions. [2025-02-06 19:46:17,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:46:17,433 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1269 states and 1611 transitions. [2025-02-06 19:46:17,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states and 1611 transitions. [2025-02-06 19:46:17,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1269. [2025-02-06 19:46:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 1269 states have (on average 1.2695035460992907) internal successors, (1611), 1268 states have internal predecessors, (1611), 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 19:46:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1611 transitions. [2025-02-06 19:46:17,451 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1269 states and 1611 transitions. [2025-02-06 19:46:17,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:46:17,452 INFO L432 stractBuchiCegarLoop]: Abstraction has 1269 states and 1611 transitions. [2025-02-06 19:46:17,452 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:46:17,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1269 states and 1611 transitions. [2025-02-06 19:46:17,457 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 882 [2025-02-06 19:46:17,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:46:17,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:46:17,458 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:46:17,458 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] [2025-02-06 19:46:17,458 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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#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 19:46:17,461 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet21#1;test_~tmp~7#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet22#1;test_~tmp___0~2#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet23#1;test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#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~ret8#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret7#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret6#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1;" "isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1;" "assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret6#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret6#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret6#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret6#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret7#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_#t~ret32#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret30#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret31#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3#1 := __utac_acc__Specification3_spec__1_#t~ret31#1;havoc __utac_acc__Specification3_spec__1_#t~ret31#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_#t~ret32#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:46:17,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:17,461 INFO L85 PathProgramCache]: Analyzing trace with hash -556469268, now seen corresponding path program 4 times [2025-02-06 19:46:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:17,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707420367] [2025-02-06 19:46:17,461 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:46:17,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:17,466 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 7 statements into 2 equivalence classes. [2025-02-06 19:46:17,471 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:17,471 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:46:17,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,471 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:17,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:17,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:17,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:17,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:17,484 INFO L85 PathProgramCache]: Analyzing trace with hash 427843640, now seen corresponding path program 1 times [2025-02-06 19:46:17,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:17,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715794429] [2025-02-06 19:46:17,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:17,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:17,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 19:46:17,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 19:46:17,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,494 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:17,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 19:46:17,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 19:46:17,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:17,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:46:17,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1964631779, now seen corresponding path program 1 times [2025-02-06 19:46:17,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:46:17,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054464670] [2025-02-06 19:46:17,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:46:17,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:46:17,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 19:46:17,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 19:46:17,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,518 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:17,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 19:46:17,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 19:46:17,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:17,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:17,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:46:18,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:18,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:18,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:18,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:18,173 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:46:18,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:46:18,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:46:18,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:46:18,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:46:18,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:46:18 BoogieIcfgContainer [2025-02-06 19:46:18,205 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:46:18,205 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:46:18,205 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:46:18,206 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:46:18,206 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:46:16" (3/4) ... [2025-02-06 19:46:18,207 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:46:18,234 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:46:18,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:46:18,235 INFO L158 Benchmark]: Toolchain (without parser) took 3097.22ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 50.5MB in the end (delta: 82.3MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2025-02-06 19:46:18,235 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:46:18,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.64ms. Allocated memory is still 167.8MB. Free memory was 132.4MB in the beginning and 113.8MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:46:18,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.00ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 109.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:46:18,235 INFO L158 Benchmark]: Boogie Preprocessor took 80.68ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 104.7MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:46:18,236 INFO L158 Benchmark]: IcfgBuilder took 761.16ms. Allocated memory is still 167.8MB. Free memory was 104.7MB in the beginning and 50.1MB in the end (delta: 54.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 19:46:18,236 INFO L158 Benchmark]: BuchiAutomizer took 1833.81ms. Allocated memory is still 167.8MB. Free memory was 50.1MB in the beginning and 54.8MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:46:18,236 INFO L158 Benchmark]: Witness Printer took 28.95ms. Allocated memory is still 167.8MB. Free memory was 54.8MB in the beginning and 50.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:46:18,237 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 127.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.64ms. Allocated memory is still 167.8MB. Free memory was 132.4MB in the beginning and 113.8MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.00ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 109.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.68ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 104.7MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 761.16ms. Allocated memory is still 167.8MB. Free memory was 104.7MB in the beginning and 50.1MB in the end (delta: 54.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1833.81ms. Allocated memory is still 167.8MB. Free memory was 50.1MB in the beginning and 54.8MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 28.95ms. Allocated memory is still 167.8MB. Free memory was 54.8MB in the beginning and 50.5MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [453] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [520] - GenericResultAtLocation [Line: 624]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [624] - GenericResultAtLocation [Line: 633]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [633] - GenericResultAtLocation [Line: 667]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [667] * 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 1269 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 932 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 932 mSDsluCounter, 2834 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1667 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 1167 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 464]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L198] int pumpRunning = 0; [L199] int systemActive = 1; [L522] int waterLevel = 1; [L523] int methaneLevelCritical = 0; [L837] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L455] int splverifierCounter ; [L456] int tmp ; [L457] int tmp___0 ; [L458] int tmp___1 ; [L459] int tmp___2 ; [L462] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L464] COND TRUE 1 [L466] COND TRUE splverifierCounter < 4 [L472] tmp = __VERIFIER_nondet_int() [L474] COND FALSE !(\read(tmp)) [L482] tmp___0 = __VERIFIER_nondet_int() [L484] COND FALSE !(\read(tmp___0)) [L492] tmp___2 = __VERIFIER_nondet_int() [L494] COND TRUE \read(tmp___2) [L509] CALL timeShift() [L206] COND FALSE !(\read(pumpRunning)) [L213] COND TRUE \read(systemActive) [L215] CALL processEnvironment() [L287] int tmp ; [L290] COND FALSE !(\read(pumpRunning)) [L305] CALL processEnvironment__wrappee__methaneQuery() [L261] int tmp ; [L264] COND FALSE !(\read(pumpRunning)) [L279] CALL processEnvironment__wrappee__highWaterSensor() [L235] int tmp ; [L238] COND TRUE ! pumpRunning [L240] CALL, EXPR isHighWaterLevel() [L401] int retValue_acc ; [L402] int tmp ; [L403] int tmp___0 ; [L407] CALL, EXPR isHighWaterSensorDry() [L602] int retValue_acc ; [L605] COND TRUE waterLevel < 2 [L606] retValue_acc = 1 [L607] return (retValue_acc); [L407] RET, EXPR isHighWaterSensorDry() [L407] tmp = isHighWaterSensorDry() [L409] COND TRUE \read(tmp) [L410] tmp___0 = 0 [L414] retValue_acc = tmp___0 [L415] return (retValue_acc); [L240] RET, EXPR isHighWaterLevel() [L240] tmp = isHighWaterLevel() [L242] COND FALSE !(\read(tmp)) [L248] FCALL processEnvironment__wrappee__base() [L279] RET processEnvironment__wrappee__highWaterSensor() [L305] RET processEnvironment__wrappee__methaneQuery() [L215] RET processEnvironment() [L221] CALL __utac_acc__Specification3_spec__1() [L635] int tmp ; [L636] int tmp___0 ; [L637] int tmp___1 ; [L641] CALL, EXPR isMethaneLevelCritical() [L561] int retValue_acc ; [L564] retValue_acc = methaneLevelCritical [L565] return (retValue_acc); [L641] RET, EXPR isMethaneLevelCritical() [L641] tmp = isMethaneLevelCritical() [L643] COND FALSE !(\read(tmp)) [L647] CALL, EXPR getWaterLevel() [L593] int retValue_acc ; [L596] retValue_acc = waterLevel [L597] return (retValue_acc); [L647] RET, EXPR getWaterLevel() [L647] tmp___0 = getWaterLevel() [L649] COND FALSE !(tmp___0 == 2) [L221] RET __utac_acc__Specification3_spec__1() [L509] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 464]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L198] int pumpRunning = 0; [L199] int systemActive = 1; [L522] int waterLevel = 1; [L523] int methaneLevelCritical = 0; [L837] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L455] int splverifierCounter ; [L456] int tmp ; [L457] int tmp___0 ; [L458] int tmp___1 ; [L459] int tmp___2 ; [L462] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L464] COND TRUE 1 [L466] COND TRUE splverifierCounter < 4 [L472] tmp = __VERIFIER_nondet_int() [L474] COND FALSE !(\read(tmp)) [L482] tmp___0 = __VERIFIER_nondet_int() [L484] COND FALSE !(\read(tmp___0)) [L492] tmp___2 = __VERIFIER_nondet_int() [L494] COND TRUE \read(tmp___2) [L509] CALL timeShift() [L206] COND FALSE !(\read(pumpRunning)) [L213] COND TRUE \read(systemActive) [L215] CALL processEnvironment() [L287] int tmp ; [L290] COND FALSE !(\read(pumpRunning)) [L305] CALL processEnvironment__wrappee__methaneQuery() [L261] int tmp ; [L264] COND FALSE !(\read(pumpRunning)) [L279] CALL processEnvironment__wrappee__highWaterSensor() [L235] int tmp ; [L238] COND TRUE ! pumpRunning [L240] CALL, EXPR isHighWaterLevel() [L401] int retValue_acc ; [L402] int tmp ; [L403] int tmp___0 ; [L407] CALL, EXPR isHighWaterSensorDry() [L602] int retValue_acc ; [L605] COND TRUE waterLevel < 2 [L606] retValue_acc = 1 [L607] return (retValue_acc); [L407] RET, EXPR isHighWaterSensorDry() [L407] tmp = isHighWaterSensorDry() [L409] COND TRUE \read(tmp) [L410] tmp___0 = 0 [L414] retValue_acc = tmp___0 [L415] return (retValue_acc); [L240] RET, EXPR isHighWaterLevel() [L240] tmp = isHighWaterLevel() [L242] COND FALSE !(\read(tmp)) [L248] FCALL processEnvironment__wrappee__base() [L279] RET processEnvironment__wrappee__highWaterSensor() [L305] RET processEnvironment__wrappee__methaneQuery() [L215] RET processEnvironment() [L221] CALL __utac_acc__Specification3_spec__1() [L635] int tmp ; [L636] int tmp___0 ; [L637] int tmp___1 ; [L641] CALL, EXPR isMethaneLevelCritical() [L561] int retValue_acc ; [L564] retValue_acc = methaneLevelCritical [L565] return (retValue_acc); [L641] RET, EXPR isMethaneLevelCritical() [L641] tmp = isMethaneLevelCritical() [L643] COND FALSE !(\read(tmp)) [L647] CALL, EXPR getWaterLevel() [L593] int retValue_acc ; [L596] retValue_acc = waterLevel [L597] return (retValue_acc); [L647] RET, EXPR getWaterLevel() [L647] tmp___0 = getWaterLevel() [L649] COND FALSE !(tmp___0 == 2) [L221] RET __utac_acc__Specification3_spec__1() [L509] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:46:18,251 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)