./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8e8f57de68bd156f96d4553940231369dc2e0f8c550ee7a61d6446a6f476745 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:30:01,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:30:01,678 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:30:01,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:30:01,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:30:01,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:30:01,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:30:01,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:30:01,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:30:01,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:30:01,699 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:30:01,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:30:01,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:30:01,700 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:30:01,700 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:30:01,700 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:30:01,700 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:30:01,700 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:30:01,700 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:30:01,700 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:30:01,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:30:01,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:30:01,701 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:30:01,702 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:30:01,702 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:30:01,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:30:01,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:30:01,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:30:01,702 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:30:01,702 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/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 -> d8e8f57de68bd156f96d4553940231369dc2e0f8c550ee7a61d6446a6f476745 [2025-03-09 07:30:01,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:30:01,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:30:01,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:30:01,944 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:30:01,944 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:30:01,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c [2025-03-09 07:30:03,062 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/544b9f6a6/5bedc65862474f5fb7d8e11845542f45/FLAG07f4095f6 [2025-03-09 07:30:03,324 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:30:03,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c [2025-03-09 07:30:03,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/544b9f6a6/5bedc65862474f5fb7d8e11845542f45/FLAG07f4095f6 [2025-03-09 07:30:03,353 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/544b9f6a6/5bedc65862474f5fb7d8e11845542f45 [2025-03-09 07:30:03,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:30:03,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:30:03,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:30:03,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:30:03,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:30:03,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46be36ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03, skipping insertion in model container [2025-03-09 07:30:03,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:30:03,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:30:03,600 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:30:03,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2025-03-09 07:30:03,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2025-03-09 07:30:03,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] [2025-03-09 07:30:03,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [530] [2025-03-09 07:30:03,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [571] [2025-03-09 07:30:03,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [679] [2025-03-09 07:30:03,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [714] [2025-03-09 07:30:03,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [782] [2025-03-09 07:30:03,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:30:03,683 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:30:03,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03 WrapperNode [2025-03-09 07:30:03,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:30:03,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:30:03,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:30:03,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:30:03,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,748 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 60, calls inlined = 178, statements flattened = 1216 [2025-03-09 07:30:03,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:30:03,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:30:03,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:30:03,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:30:03,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,797 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]. [2025-03-09 07:30:03,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,812 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:30:03,821 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:30:03,821 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:30:03,822 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:30:03,825 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (1/1) ... [2025-03-09 07:30:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:30:03,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:30:03,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:30:03,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-09 07:30:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:30:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:30:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:30:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:30:03,936 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:30:03,937 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:30:04,598 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L667-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L938-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L676-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L676-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L676-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L676-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L676-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L676-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L711-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L947-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L947-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L947-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L518-1: main_#res#1 := main_~retValue_acc~3#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L621-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-03-09 07:30:04,603 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2025-03-09 07:30:04,643 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2025-03-09 07:30:04,643 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:30:04,659 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:30:04,659 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:30:04,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:04 BoogieIcfgContainer [2025-03-09 07:30:04,660 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:30:04,660 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:30:04,661 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:30:04,664 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:30:04,665 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:04,665 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:30:03" (1/3) ... [2025-03-09 07:30:04,666 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ebffbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:30:04, skipping insertion in model container [2025-03-09 07:30:04,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:04,666 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:30:03" (2/3) ... [2025-03-09 07:30:04,666 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ebffbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:30:04, skipping insertion in model container [2025-03-09 07:30:04,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:30:04,666 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:04" (3/3) ... [2025-03-09 07:30:04,667 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2025-03-09 07:30:04,707 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:30:04,707 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:30:04,707 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:30:04,708 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:30:04,708 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:30:04,708 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:30:04,708 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:30:04,708 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:30:04,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 322 states, 321 states have (on average 1.35202492211838) internal successors, (434), 321 states have internal predecessors, (434), 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) [2025-03-09 07:30:04,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 209 [2025-03-09 07:30:04,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:04,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:04,755 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:04,755 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:04,755 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:30:04,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 322 states, 321 states have (on average 1.35202492211838) internal successors, (434), 321 states have internal predecessors, (434), 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) [2025-03-09 07:30:04,762 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 209 [2025-03-09 07:30:04,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:04,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:04,763 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:04,763 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:04,768 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#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~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:30:04,768 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification2_spec__2_#t~ret28#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:30:04,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:04,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1955705882, now seen corresponding path program 1 times [2025-03-09 07:30:04,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:04,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018850138] [2025-03-09 07:30:04,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:04,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:04,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:30:04,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:30:04,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:04,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:04,835 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:04,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:30:04,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:30:04,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:04,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:04,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:04,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:04,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1672284112, now seen corresponding path program 1 times [2025-03-09 07:30:04,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:04,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385466810] [2025-03-09 07:30:04,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:04,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:04,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:30:04,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:30:04,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:04,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:30:04,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:30:04,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:30:04,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385466810] [2025-03-09 07:30:04,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385466810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:30:04,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:30:04,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:30:04,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055414977] [2025-03-09 07:30:04,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:30:04,942 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:30:04,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:30:04,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:30:04,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:30:04,961 INFO L87 Difference]: Start difference. First operand has 322 states, 321 states have (on average 1.35202492211838) internal successors, (434), 321 states have internal predecessors, (434), 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 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-03-09 07:30:04,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:30:04,996 INFO L93 Difference]: Finished difference Result 316 states and 420 transitions. [2025-03-09 07:30:04,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 420 transitions. [2025-03-09 07:30:05,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 203 [2025-03-09 07:30:05,006 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 306 states and 409 transitions. [2025-03-09 07:30:05,006 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 306 [2025-03-09 07:30:05,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2025-03-09 07:30:05,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 409 transitions. [2025-03-09 07:30:05,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:30:05,008 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 409 transitions. [2025-03-09 07:30:05,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 409 transitions. [2025-03-09 07:30:05,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2025-03-09 07:30:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 306 states have (on average 1.3366013071895424) internal successors, (409), 305 states have internal predecessors, (409), 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) [2025-03-09 07:30:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 409 transitions. [2025-03-09 07:30:05,035 INFO L240 hiAutomatonCegarLoop]: Abstraction has 306 states and 409 transitions. [2025-03-09 07:30:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:30:05,038 INFO L432 stractBuchiCegarLoop]: Abstraction has 306 states and 409 transitions. [2025-03-09 07:30:05,038 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:30:05,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 306 states and 409 transitions. [2025-03-09 07:30:05,040 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 203 [2025-03-09 07:30:05,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:05,040 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:05,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:05,040 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] [2025-03-09 07:30:05,040 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#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~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:30:05,041 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret44#1, isMethaneAlarm_~retValue_acc~10#1;havoc isMethaneAlarm_~retValue_acc~10#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "isMethaneAlarm_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~10#1 := isMethaneAlarm_#t~ret44#1;havoc isMethaneAlarm_#t~ret44#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1;" "processEnvironment_#t~ret42#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret44#1, isMethaneAlarm_~retValue_acc~10#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~8#1 := processEnvironment_#t~ret42#1;havoc processEnvironment_#t~ret42#1;" "assume 0 != processEnvironment_~tmp~8#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification2_spec__2_#t~ret28#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:30:05,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:05,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1955705882, now seen corresponding path program 2 times [2025-03-09 07:30:05,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:05,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896097519] [2025-03-09 07:30:05,044 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:30:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:05,050 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:30:05,057 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:30:05,058 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:30:05,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:05,058 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:05,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:30:05,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:30:05,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:05,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:05,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:05,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:05,071 INFO L85 PathProgramCache]: Analyzing trace with hash -421067624, now seen corresponding path program 1 times [2025-03-09 07:30:05,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:05,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180883465] [2025-03-09 07:30:05,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:05,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:05,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 07:30:05,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 07:30:05,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:05,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:30:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:30:05,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:30:05,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180883465] [2025-03-09 07:30:05,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180883465] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:30:05,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:30:05,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:30:05,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312408647] [2025-03-09 07:30:05,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:30:05,097 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:30:05,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:30:05,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:30:05,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:30:05,099 INFO L87 Difference]: Start difference. First operand 306 states and 409 transitions. cyclomatic complexity: 105 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) [2025-03-09 07:30:05,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:30:05,200 INFO L93 Difference]: Finished difference Result 313 states and 399 transitions. [2025-03-09 07:30:05,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 313 states and 399 transitions. [2025-03-09 07:30:05,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 212 [2025-03-09 07:30:05,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 313 states to 313 states and 399 transitions. [2025-03-09 07:30:05,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 313 [2025-03-09 07:30:05,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 313 [2025-03-09 07:30:05,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 313 states and 399 transitions. [2025-03-09 07:30:05,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:30:05,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 313 states and 399 transitions. [2025-03-09 07:30:05,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states and 399 transitions. [2025-03-09 07:30:05,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2025-03-09 07:30:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 313 states have (on average 1.2747603833865815) internal successors, (399), 312 states have internal predecessors, (399), 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) [2025-03-09 07:30:05,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 399 transitions. [2025-03-09 07:30:05,219 INFO L240 hiAutomatonCegarLoop]: Abstraction has 313 states and 399 transitions. [2025-03-09 07:30:05,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:30:05,220 INFO L432 stractBuchiCegarLoop]: Abstraction has 313 states and 399 transitions. [2025-03-09 07:30:05,220 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 07:30:05,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 313 states and 399 transitions. [2025-03-09 07:30:05,222 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 212 [2025-03-09 07:30:05,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:30:05,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:30:05,222 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:30:05,222 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] [2025-03-09 07:30:05,223 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1;" "main_#t~ret27#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1;" "assume 0 != main_~tmp~3#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~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:30:05,223 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet36#1;test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet37#1;test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet38#1;test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet39#1;test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret41#1, processEnvironment__wrappee__methaneQuery_~tmp~7#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~10#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~10#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1;" "isHighWaterLevel_#t~ret53#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~10#1 := isHighWaterLevel_#t~ret53#1;havoc isHighWaterLevel_#t~ret53#1;" "assume 0 != isHighWaterLevel_~tmp~10#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~10#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret41#1, processEnvironment__wrappee__methaneQuery_~tmp~7#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification2_spec__2_#t~ret28#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:30:05,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:05,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1955705882, now seen corresponding path program 3 times [2025-03-09 07:30:05,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:05,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520237217] [2025-03-09 07:30:05,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:30:05,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:05,230 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:30:05,239 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:30:05,239 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 07:30:05,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:05,239 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:05,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:30:05,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:30:05,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:05,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:05,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:05,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:05,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1000112615, now seen corresponding path program 1 times [2025-03-09 07:30:05,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:05,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998299] [2025-03-09 07:30:05,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:05,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:05,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:30:05,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:30:05,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:05,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:05,254 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:05,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:30:05,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:30:05,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:05,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:05,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:05,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:30:05,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1378190976, now seen corresponding path program 1 times [2025-03-09 07:30:05,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:30:05,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109754314] [2025-03-09 07:30:05,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:30:05,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:30:05,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-09 07:30:05,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-09 07:30:05,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:05,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:05,276 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:05,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-09 07:30:05,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-09 07:30:05,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:05,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:05,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:30:06,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:30:06,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:30:06,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:06,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:06,065 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:30:06,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:30:06,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:30:06,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:30:06,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:30:06,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:30:06 BoogieIcfgContainer [2025-03-09 07:30:06,107 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:30:06,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:30:06,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:30:06,108 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:30:06,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:30:04" (3/4) ... [2025-03-09 07:30:06,110 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:30:06,150 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:30:06,150 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:30:06,150 INFO L158 Benchmark]: Toolchain (without parser) took 2794.10ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 109.6MB in the end (delta: 13.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2025-03-09 07:30:06,151 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:30:06,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.60ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 103.4MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:30:06,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.26ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 98.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:30:06,151 INFO L158 Benchmark]: Boogie Preprocessor took 68.57ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 95.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:30:06,151 INFO L158 Benchmark]: IcfgBuilder took 838.30ms. Allocated memory is still 167.8MB. Free memory was 95.0MB in the beginning and 40.0MB in the end (delta: 55.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-09 07:30:06,151 INFO L158 Benchmark]: BuchiAutomizer took 1446.38ms. Allocated memory is still 167.8MB. Free memory was 39.2MB in the beginning and 113.5MB in the end (delta: -74.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:30:06,152 INFO L158 Benchmark]: Witness Printer took 42.05ms. Allocated memory is still 167.8MB. Free memory was 113.5MB in the beginning and 109.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:30:06,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.60ms. Allocated memory is still 167.8MB. Free memory was 122.6MB in the beginning and 103.4MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.26ms. Allocated memory is still 167.8MB. Free memory was 103.4MB in the beginning and 98.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.57ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 95.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 838.30ms. Allocated memory is still 167.8MB. Free memory was 95.0MB in the beginning and 40.0MB in the end (delta: 55.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1446.38ms. Allocated memory is still 167.8MB. Free memory was 39.2MB in the beginning and 113.5MB in the end (delta: -74.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 42.05ms. Allocated memory is still 167.8MB. Free memory was 113.5MB in the beginning and 109.6MB in the end (delta: 3.9MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [530] - GenericResultAtLocation [Line: 571]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [571] - GenericResultAtLocation [Line: 679]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [679] - GenericResultAtLocation [Line: 714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [714] - GenericResultAtLocation [Line: 782]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [782] * 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 313 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 641 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 641 mSDsluCounter, 840 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 712 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 726]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L533] int methAndRunningLastTime ; [L577] int waterLevel = 1; [L578] int methaneLevelCritical = 0; [L785] int pumpRunning = 0; [L786] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L706] int retValue_acc ; [L709] retValue_acc = 1 [L710] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification2_spec__1() [L538] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification2_spec__1() [L490] CALL test() [L717] int splverifierCounter ; [L718] int tmp ; [L719] int tmp___0 ; [L720] int tmp___1 ; [L721] int tmp___2 ; [L724] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L728] COND TRUE splverifierCounter < 4 [L734] tmp = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp)) [L744] tmp___0 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___0)) [L754] tmp___2 = __VERIFIER_nondet_int() [L756] COND FALSE !(\read(tmp___2)) [L762] tmp___1 = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp___1) [L771] CALL timeShift() [L792] COND FALSE !(\read(pumpRunning)) [L799] COND TRUE \read(systemActive) [L801] CALL processEnvironment() [L873] int tmp ; [L876] COND FALSE !(\read(pumpRunning)) [L891] CALL processEnvironment__wrappee__methaneQuery() [L847] int tmp ; [L850] COND FALSE !(\read(pumpRunning)) [L865] CALL processEnvironment__wrappee__highWaterSensor() [L821] int tmp ; [L824] COND TRUE ! pumpRunning [L826] CALL, EXPR isHighWaterLevel() [L987] int retValue_acc ; [L988] int tmp ; [L989] int tmp___0 ; [L993] CALL, EXPR isHighWaterSensorDry() [L657] int retValue_acc ; [L660] COND TRUE waterLevel < 2 [L661] retValue_acc = 1 [L662] return (retValue_acc); [L993] RET, EXPR isHighWaterSensorDry() [L993] tmp = isHighWaterSensorDry() [L995] COND TRUE \read(tmp) [L996] tmp___0 = 0 [L1000] retValue_acc = tmp___0 [L1001] return (retValue_acc); [L826] RET, EXPR isHighWaterLevel() [L826] tmp = isHighWaterLevel() [L828] COND FALSE !(\read(tmp)) [L834] FCALL processEnvironment__wrappee__base() [L865] RET processEnvironment__wrappee__highWaterSensor() [L891] RET processEnvironment__wrappee__methaneQuery() [L801] RET processEnvironment() [L807] CALL __utac_acc__Specification2_spec__2() [L543] int tmp ; [L544] int tmp___0 ; [L548] CALL, EXPR isMethaneLevelCritical() [L616] int retValue_acc ; [L619] retValue_acc = methaneLevelCritical [L620] return (retValue_acc); [L548] RET, EXPR isMethaneLevelCritical() [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE !(\read(tmp)) [L566] methAndRunningLastTime = 0 [L807] RET __utac_acc__Specification2_spec__2() [L771] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 726]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L533] int methAndRunningLastTime ; [L577] int waterLevel = 1; [L578] int methaneLevelCritical = 0; [L785] int pumpRunning = 0; [L786] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L499] int retValue_acc ; [L500] int tmp ; [L504] FCALL select_helpers() [L505] FCALL select_features() [L506] CALL, EXPR valid_product() [L706] int retValue_acc ; [L709] retValue_acc = 1 [L710] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L506] RET, EXPR valid_product() [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L510] FCALL setup() [L511] CALL runTest() [L489] CALL __utac_acc__Specification2_spec__1() [L538] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] RET __utac_acc__Specification2_spec__1() [L490] CALL test() [L717] int splverifierCounter ; [L718] int tmp ; [L719] int tmp___0 ; [L720] int tmp___1 ; [L721] int tmp___2 ; [L724] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L728] COND TRUE splverifierCounter < 4 [L734] tmp = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp)) [L744] tmp___0 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___0)) [L754] tmp___2 = __VERIFIER_nondet_int() [L756] COND FALSE !(\read(tmp___2)) [L762] tmp___1 = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp___1) [L771] CALL timeShift() [L792] COND FALSE !(\read(pumpRunning)) [L799] COND TRUE \read(systemActive) [L801] CALL processEnvironment() [L873] int tmp ; [L876] COND FALSE !(\read(pumpRunning)) [L891] CALL processEnvironment__wrappee__methaneQuery() [L847] int tmp ; [L850] COND FALSE !(\read(pumpRunning)) [L865] CALL processEnvironment__wrappee__highWaterSensor() [L821] int tmp ; [L824] COND TRUE ! pumpRunning [L826] CALL, EXPR isHighWaterLevel() [L987] int retValue_acc ; [L988] int tmp ; [L989] int tmp___0 ; [L993] CALL, EXPR isHighWaterSensorDry() [L657] int retValue_acc ; [L660] COND TRUE waterLevel < 2 [L661] retValue_acc = 1 [L662] return (retValue_acc); [L993] RET, EXPR isHighWaterSensorDry() [L993] tmp = isHighWaterSensorDry() [L995] COND TRUE \read(tmp) [L996] tmp___0 = 0 [L1000] retValue_acc = tmp___0 [L1001] return (retValue_acc); [L826] RET, EXPR isHighWaterLevel() [L826] tmp = isHighWaterLevel() [L828] COND FALSE !(\read(tmp)) [L834] FCALL processEnvironment__wrappee__base() [L865] RET processEnvironment__wrappee__highWaterSensor() [L891] RET processEnvironment__wrappee__methaneQuery() [L801] RET processEnvironment() [L807] CALL __utac_acc__Specification2_spec__2() [L543] int tmp ; [L544] int tmp___0 ; [L548] CALL, EXPR isMethaneLevelCritical() [L616] int retValue_acc ; [L619] retValue_acc = methaneLevelCritical [L620] return (retValue_acc); [L548] RET, EXPR isMethaneLevelCritical() [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE !(\read(tmp)) [L566] methAndRunningLastTime = 0 [L807] RET __utac_acc__Specification2_spec__2() [L771] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:30:06,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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)