./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_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_spec2_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 bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:45:30,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:45:30,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:45:30,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:45:30,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:45:30,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:45:30,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:45:30,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:45:30,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:45:30,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:45:30,507 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:45:30,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:45:30,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:45:30,508 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:45:30,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:45:30,508 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:45:30,508 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:45:30,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:45:30,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:45:30,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:45:30,509 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:45:30,509 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 -> bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf [2025-02-06 19:45:30,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:45:30,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:45:30,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:45:30,862 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:45:30,863 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:45:30,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2025-02-06 19:45:32,044 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f66e1d859/6ae921fda8964711b4a9344890cb4b8c/FLAGe4fcb0538 [2025-02-06 19:45:32,307 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:45:32,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2025-02-06 19:45:32,320 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f66e1d859/6ae921fda8964711b4a9344890cb4b8c/FLAGe4fcb0538 [2025-02-06 19:45:32,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f66e1d859/6ae921fda8964711b4a9344890cb4b8c [2025-02-06 19:45:32,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:45:32,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:45:32,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:45:32,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:45:32,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:45:32,627 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f99ca09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:32, skipping insertion in model container [2025-02-06 19:45:32,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:45:32" (1/1) ... [2025-02-06 19:45:32,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:45:32,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:45:32,952 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:45:32,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2025-02-06 19:45:32,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [155] [2025-02-06 19:45:32,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [164] [2025-02-06 19:45:32,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [205] [2025-02-06 19:45:32,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [313] [2025-02-06 19:45:32,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [381] [2025-02-06 19:45:32,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [638] [2025-02-06 19:45:32,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [673] [2025-02-06 19:45:33,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:45:33,023 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:45:33,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33 WrapperNode [2025-02-06 19:45:33,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:45:33,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:45:33,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:45:33,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:45:33,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,064 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 61, calls inlined = 179, statements flattened = 1220 [2025-02-06 19:45:33,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:45:33,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:45:33,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:45:33,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:45:33,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,085 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 19:45:33,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:45:33,103 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:45:33,103 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:45:33,103 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:45:33,104 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (1/1) ... [2025-02-06 19:45:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:45:33,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:45:33,130 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 19:45:33,132 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 19:45:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:45:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:45:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:45:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:45:33,195 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:45:33,196 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:45:33,789 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L301-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,790 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L601-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,791 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,792 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L670-1: valid_product_#res#1 := valid_product_~retValue_acc~10#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L537-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L310-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L310-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L310-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L310-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L310-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L310-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L546-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L546-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L546-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L152-1: main_#res#1 := main_~retValue_acc~0#1; [2025-02-06 19:45:33,793 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,794 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L255-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L620-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L620-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L620-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L620-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L620-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:45:33,795 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L620-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2025-02-06 19:45:33,829 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2025-02-06 19:45:33,829 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:45:33,840 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:45:33,841 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:45:33,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:33 BoogieIcfgContainer [2025-02-06 19:45:33,841 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:45:33,842 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:45:33,842 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:45:33,847 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:45:33,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:33,852 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:45:32" (1/3) ... [2025-02-06 19:45:33,856 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@707fd9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:45:33, skipping insertion in model container [2025-02-06 19:45:33,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:33,857 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:33" (2/3) ... [2025-02-06 19:45:33,857 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@707fd9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:45:33, skipping insertion in model container [2025-02-06 19:45:33,857 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:33,857 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:33" (3/3) ... [2025-02-06 19:45:33,858 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2025-02-06 19:45:33,914 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:45:33,914 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:45:33,914 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:45:33,914 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:45:33,915 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:45:33,915 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:45:33,915 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:45:33,915 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:45:33,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 327 states, 326 states have (on average 1.3496932515337423) internal successors, (440), 326 states have internal predecessors, (440), 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 19:45:33,938 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 214 [2025-02-06 19:45:33,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:33,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:33,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,944 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:45:33,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 327 states, 326 states have (on average 1.3496932515337423) internal successors, (440), 326 states have internal predecessors, (440), 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 19:45:33,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 214 [2025-02-06 19:45:33,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:33,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:33,952 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,952 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:33,956 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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#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___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:33,956 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#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__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:33,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:33,959 INFO L85 PathProgramCache]: Analyzing trace with hash -899848294, now seen corresponding path program 1 times [2025-02-06 19:45:33,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:33,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136725939] [2025-02-06 19:45:33,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:33,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:34,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:34,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:34,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,022 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:34,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:34,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:34,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:34,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:34,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1950797534, now seen corresponding path program 1 times [2025-02-06 19:45:34,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:34,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198577058] [2025-02-06 19:45:34,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:34,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:34,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:45:34,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:45:34,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,060 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:34,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 19:45:34,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 19:45:34,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:34,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:34,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2068045275, now seen corresponding path program 1 times [2025-02-06 19:45:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:34,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992821713] [2025-02-06 19:45:34,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:34,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:45:34,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:45:34,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:45:34,181 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 19:45:34,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:45:34,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992821713] [2025-02-06 19:45:34,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992821713] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:45:34,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:45:34,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 19:45:34,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439074397] [2025-02-06 19:45:34,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:45:34,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:45:34,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:45:34,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:45:34,254 INFO L87 Difference]: Start difference. First operand has 327 states, 326 states have (on average 1.3496932515337423) internal successors, (440), 326 states have internal predecessors, (440), 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 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:45:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:45:34,323 INFO L93 Difference]: Finished difference Result 633 states and 845 transitions. [2025-02-06 19:45:34,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 633 states and 845 transitions. [2025-02-06 19:45:34,330 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 412 [2025-02-06 19:45:34,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 633 states to 613 states and 824 transitions. [2025-02-06 19:45:34,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 613 [2025-02-06 19:45:34,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 613 [2025-02-06 19:45:34,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 613 states and 824 transitions. [2025-02-06 19:45:34,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:45:34,346 INFO L218 hiAutomatonCegarLoop]: Abstraction has 613 states and 824 transitions. [2025-02-06 19:45:34,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states and 824 transitions. [2025-02-06 19:45:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 610. [2025-02-06 19:45:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 610 states have (on average 1.3442622950819672) internal successors, (820), 609 states have internal predecessors, (820), 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 19:45:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 820 transitions. [2025-02-06 19:45:34,379 INFO L240 hiAutomatonCegarLoop]: Abstraction has 610 states and 820 transitions. [2025-02-06 19:45:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:45:34,385 INFO L432 stractBuchiCegarLoop]: Abstraction has 610 states and 820 transitions. [2025-02-06 19:45:34,386 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:45:34,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 610 states and 820 transitions. [2025-02-06 19:45:34,390 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 412 [2025-02-06 19:45:34,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:34,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:34,392 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:34,392 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 19:45:34,393 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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#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___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:34,393 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#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~ret18#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret20#1, isMethaneAlarm_~retValue_acc~5#1;havoc isMethaneAlarm_~retValue_acc~5#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "isMethaneAlarm_#t~ret20#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~5#1 := isMethaneAlarm_#t~ret20#1;havoc isMethaneAlarm_#t~ret20#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1;" "processEnvironment_#t~ret18#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret20#1, isMethaneAlarm_~retValue_acc~5#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret18#1;havoc processEnvironment_#t~ret18#1;" "assume 0 != processEnvironment_~tmp~5#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:34,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:34,393 INFO L85 PathProgramCache]: Analyzing trace with hash -899848294, now seen corresponding path program 2 times [2025-02-06 19:45:34,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:34,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705568202] [2025-02-06 19:45:34,393 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:45:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:34,398 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:34,405 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:34,408 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:45:34,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,409 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:34,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:34,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:34,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:34,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1931323098, now seen corresponding path program 1 times [2025-02-06 19:45:34,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:34,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874932718] [2025-02-06 19:45:34,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:34,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:34,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 19:45:34,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 19:45:34,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:45:34,448 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 19:45:34,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:45:34,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874932718] [2025-02-06 19:45:34,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874932718] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:45:34,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:45:34,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:45:34,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907411159] [2025-02-06 19:45:34,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:45:34,449 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:45:34,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:45:34,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:45:34,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:45:34,450 INFO L87 Difference]: Start difference. First operand 610 states and 820 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 19:45:34,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:45:34,563 INFO L93 Difference]: Finished difference Result 627 states and 806 transitions. [2025-02-06 19:45:34,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 627 states and 806 transitions. [2025-02-06 19:45:34,566 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 433 [2025-02-06 19:45:34,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 627 states to 627 states and 806 transitions. [2025-02-06 19:45:34,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 627 [2025-02-06 19:45:34,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 627 [2025-02-06 19:45:34,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 627 states and 806 transitions. [2025-02-06 19:45:34,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:45:34,576 INFO L218 hiAutomatonCegarLoop]: Abstraction has 627 states and 806 transitions. [2025-02-06 19:45:34,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states and 806 transitions. [2025-02-06 19:45:34,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2025-02-06 19:45:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 627 states have (on average 1.2854864433811801) internal successors, (806), 626 states have internal predecessors, (806), 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 19:45:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 806 transitions. [2025-02-06 19:45:34,598 INFO L240 hiAutomatonCegarLoop]: Abstraction has 627 states and 806 transitions. [2025-02-06 19:45:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:45:34,599 INFO L432 stractBuchiCegarLoop]: Abstraction has 627 states and 806 transitions. [2025-02-06 19:45:34,599 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:45:34,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 627 states and 806 transitions. [2025-02-06 19:45:34,602 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 433 [2025-02-06 19:45:34,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:34,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:34,602 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:34,602 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 19:45:34,603 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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~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~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#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___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:34,603 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#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~ret18#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret17#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret29#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1;" "isHighWaterLevel_#t~ret29#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret29#1;havoc isHighWaterLevel_#t~ret29#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret29#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret17#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret18#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1;" "__utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:34,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:34,603 INFO L85 PathProgramCache]: Analyzing trace with hash -899848294, now seen corresponding path program 3 times [2025-02-06 19:45:34,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:34,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201217979] [2025-02-06 19:45:34,604 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:45:34,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:34,608 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:34,611 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:34,611 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:45:34,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,611 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:34,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:34,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:34,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:34,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:34,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1383385798, now seen corresponding path program 1 times [2025-02-06 19:45:34,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:34,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657959367] [2025-02-06 19:45:34,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:34,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:34,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:45:34,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:45:34,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,623 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:34,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:45:34,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:45:34,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:34,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:34,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1343728979, now seen corresponding path program 1 times [2025-02-06 19:45:34,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:34,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028823809] [2025-02-06 19:45:34,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:34,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:34,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 19:45:34,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 19:45:34,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,641 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:34,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 19:45:34,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 19:45:34,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:34,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:34,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:35,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:35,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:35,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:35,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:35,322 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:35,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:45:35,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:45:35,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:35,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:35,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:45:35 BoogieIcfgContainer [2025-02-06 19:45:35,369 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:45:35,369 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:45:35,369 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:45:35,369 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:45:35,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:33" (3/4) ... [2025-02-06 19:45:35,371 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:45:35,406 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:45:35,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:45:35,408 INFO L158 Benchmark]: Toolchain (without parser) took 2787.89ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 112.4MB in the beginning and 363.8MB in the end (delta: -251.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2025-02-06 19:45:35,408 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:35,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.84ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 93.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:45:35,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.98ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 88.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:45:35,409 INFO L158 Benchmark]: Boogie Preprocessor took 38.58ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 84.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:45:35,409 INFO L158 Benchmark]: IcfgBuilder took 737.76ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 98.9MB in the end (delta: -14.6MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2025-02-06 19:45:35,409 INFO L158 Benchmark]: BuchiAutomizer took 1526.98ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 98.9MB in the beginning and 368.5MB in the end (delta: -269.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:35,409 INFO L158 Benchmark]: Witness Printer took 37.57ms. Allocated memory is still 411.0MB. Free memory was 368.5MB in the beginning and 363.8MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:45:35,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.84ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 93.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.98ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 88.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.58ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 84.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 737.76ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 98.9MB in the end (delta: -14.6MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1526.98ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 98.9MB in the beginning and 368.5MB in the end (delta: -269.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.57ms. Allocated memory is still 411.0MB. Free memory was 368.5MB in the beginning and 363.8MB in the end (delta: 4.7MB). 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: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [155] - GenericResultAtLocation [Line: 164]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [164] - GenericResultAtLocation [Line: 205]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [205] - GenericResultAtLocation [Line: 313]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [313] - GenericResultAtLocation [Line: 381]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [381] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [638] - GenericResultAtLocation [Line: 673]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [673] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 627 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 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, 641 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 641 mSDsluCounter, 1285 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 545 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 740 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 325]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L167] int methAndRunningLastTime ; [L211] int waterLevel = 1; [L212] int methaneLevelCritical = 0; [L384] int pumpRunning = 0; [L385] int systemActive = 1; [L843] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L665] int retValue_acc ; [L668] retValue_acc = 1 [L669] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L172] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L316] int splverifierCounter ; [L317] int tmp ; [L318] int tmp___0 ; [L319] int tmp___1 ; [L320] int tmp___2 ; [L323] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L325] COND TRUE 1 [L327] COND TRUE splverifierCounter < 4 [L333] tmp = __VERIFIER_nondet_int() [L335] COND FALSE !(\read(tmp)) [L343] tmp___0 = __VERIFIER_nondet_int() [L345] COND FALSE !(\read(tmp___0)) [L353] tmp___2 = __VERIFIER_nondet_int() [L355] COND TRUE \read(tmp___2) [L370] CALL timeShift() [L391] COND FALSE !(\read(pumpRunning)) [L398] COND TRUE \read(systemActive) [L400] CALL processEnvironment() [L472] int tmp ; [L475] COND FALSE !(\read(pumpRunning)) [L490] CALL processEnvironment__wrappee__methaneQuery() [L446] int tmp ; [L449] COND FALSE !(\read(pumpRunning)) [L464] CALL processEnvironment__wrappee__highWaterSensor() [L420] int tmp ; [L423] COND TRUE ! pumpRunning [L425] CALL, EXPR isHighWaterLevel() [L586] int retValue_acc ; [L587] int tmp ; [L588] int tmp___0 ; [L592] CALL, EXPR isHighWaterSensorDry() [L291] int retValue_acc ; [L294] COND TRUE waterLevel < 2 [L295] retValue_acc = 1 [L296] return (retValue_acc); [L592] RET, EXPR isHighWaterSensorDry() [L592] tmp = isHighWaterSensorDry() [L594] COND TRUE \read(tmp) [L595] tmp___0 = 0 [L599] retValue_acc = tmp___0 [L600] return (retValue_acc); [L425] RET, EXPR isHighWaterLevel() [L425] tmp = isHighWaterLevel() [L427] COND FALSE !(\read(tmp)) [L433] FCALL processEnvironment__wrappee__base() [L464] RET processEnvironment__wrappee__highWaterSensor() [L490] RET processEnvironment__wrappee__methaneQuery() [L400] RET processEnvironment() [L406] CALL __utac_acc__Specification2_spec__2() [L177] int tmp ; [L178] int tmp___0 ; [L182] CALL, EXPR isMethaneLevelCritical() [L250] int retValue_acc ; [L253] retValue_acc = methaneLevelCritical [L254] return (retValue_acc); [L182] RET, EXPR isMethaneLevelCritical() [L182] tmp = isMethaneLevelCritical() [L184] COND FALSE !(\read(tmp)) [L200] methAndRunningLastTime = 0 [L406] RET __utac_acc__Specification2_spec__2() [L370] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 325]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L167] int methAndRunningLastTime ; [L211] int waterLevel = 1; [L212] int methaneLevelCritical = 0; [L384] int pumpRunning = 0; [L385] int systemActive = 1; [L843] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L665] int retValue_acc ; [L668] retValue_acc = 1 [L669] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L172] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L316] int splverifierCounter ; [L317] int tmp ; [L318] int tmp___0 ; [L319] int tmp___1 ; [L320] int tmp___2 ; [L323] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L325] COND TRUE 1 [L327] COND TRUE splverifierCounter < 4 [L333] tmp = __VERIFIER_nondet_int() [L335] COND FALSE !(\read(tmp)) [L343] tmp___0 = __VERIFIER_nondet_int() [L345] COND FALSE !(\read(tmp___0)) [L353] tmp___2 = __VERIFIER_nondet_int() [L355] COND TRUE \read(tmp___2) [L370] CALL timeShift() [L391] COND FALSE !(\read(pumpRunning)) [L398] COND TRUE \read(systemActive) [L400] CALL processEnvironment() [L472] int tmp ; [L475] COND FALSE !(\read(pumpRunning)) [L490] CALL processEnvironment__wrappee__methaneQuery() [L446] int tmp ; [L449] COND FALSE !(\read(pumpRunning)) [L464] CALL processEnvironment__wrappee__highWaterSensor() [L420] int tmp ; [L423] COND TRUE ! pumpRunning [L425] CALL, EXPR isHighWaterLevel() [L586] int retValue_acc ; [L587] int tmp ; [L588] int tmp___0 ; [L592] CALL, EXPR isHighWaterSensorDry() [L291] int retValue_acc ; [L294] COND TRUE waterLevel < 2 [L295] retValue_acc = 1 [L296] return (retValue_acc); [L592] RET, EXPR isHighWaterSensorDry() [L592] tmp = isHighWaterSensorDry() [L594] COND TRUE \read(tmp) [L595] tmp___0 = 0 [L599] retValue_acc = tmp___0 [L600] return (retValue_acc); [L425] RET, EXPR isHighWaterLevel() [L425] tmp = isHighWaterLevel() [L427] COND FALSE !(\read(tmp)) [L433] FCALL processEnvironment__wrappee__base() [L464] RET processEnvironment__wrappee__highWaterSensor() [L490] RET processEnvironment__wrappee__methaneQuery() [L400] RET processEnvironment() [L406] CALL __utac_acc__Specification2_spec__2() [L177] int tmp ; [L178] int tmp___0 ; [L182] CALL, EXPR isMethaneLevelCritical() [L250] int retValue_acc ; [L253] retValue_acc = methaneLevelCritical [L254] return (retValue_acc); [L182] RET, EXPR isMethaneLevelCritical() [L182] tmp = isMethaneLevelCritical() [L184] COND FALSE !(\read(tmp)) [L200] methAndRunningLastTime = 0 [L406] RET __utac_acc__Specification2_spec__2() [L370] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:45:35,432 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)