./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_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_spec1_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 592117a566b45deb7ab0407540eecbf2be0f732724f0529483f85e7a6864867a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:29:23,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:29:23,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:29:23,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:29:23,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:29:23,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:29:23,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:29:23,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:29:23,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:29:23,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:29:23,513 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:29:23,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:29:23,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:29:23,515 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:29:23,515 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:29:23,516 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:29:23,516 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:29:23,516 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:29:23,516 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:29:23,516 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:29:23,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:29:23,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:29:23,517 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:29:23,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:29:23,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:29:23,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:29:23,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:29:23,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:29:23,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:29:23,517 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:29:23,518 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:29:23,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:29:23,518 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:29:23,518 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:29:23,518 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:29:23,518 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:29:23,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:29:23,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:29:23,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:29:23,519 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:29:23,519 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 -> 592117a566b45deb7ab0407540eecbf2be0f732724f0529483f85e7a6864867a [2025-03-09 07:29:23,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:29:23,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:29:23,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:29:23,774 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:29:23,775 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:29:23,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c [2025-03-09 07:29:24,943 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9b4b537/b798ef7028fa4f098556ef64023cb0ea/FLAGaacea9bf4 [2025-03-09 07:29:25,206 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:29:25,207 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c [2025-03-09 07:29:25,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9b4b537/b798ef7028fa4f098556ef64023cb0ea/FLAGaacea9bf4 [2025-03-09 07:29:25,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9b4b537/b798ef7028fa4f098556ef64023cb0ea [2025-03-09 07:29:25,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:29:25,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:29:25,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:25,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:29:25,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:29:25,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f100305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25, skipping insertion in model container [2025-03-09 07:29:25,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:29:25,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:25,508 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:29:25,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-03-09 07:29:25,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [309] [2025-03-09 07:29:25,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [379] [2025-03-09 07:29:25,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [417] [2025-03-09 07:29:25,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [783] [2025-03-09 07:29:25,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [879] [2025-03-09 07:29:25,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [983] [2025-03-09 07:29:25,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1010] [2025-03-09 07:29:25,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:25,569 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:29:25,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25 WrapperNode [2025-03-09 07:29:25,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:25,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:25,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:29:25,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:29:25,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,623 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 59, calls inlined = 177, statements flattened = 1200 [2025-03-09 07:29:25,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:25,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:29:25,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:29:25,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:29:25,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,653 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 07:29:25,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,663 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:29:25,681 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:29:25,682 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:29:25,682 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:29:25,682 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (1/1) ... [2025-03-09 07:29:25,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:29:25,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:29:25,712 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 07:29:25,718 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 07:29:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:29:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:29:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:29:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:29:25,795 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:29:25,797 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:29:26,413 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,413 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,413 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,413 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L971-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,414 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L279-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L876-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L414-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L215-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:26,417 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~13#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L224-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L224-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L224-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,418 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L298-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L298-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L298-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L298-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L298-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:29:26,419 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,420 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L298-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-03-09 07:29:26,420 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,420 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,420 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L925-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; [2025-03-09 07:29:26,450 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2025-03-09 07:29:26,450 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:29:26,462 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:29:26,462 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:29:26,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:26 BoogieIcfgContainer [2025-03-09 07:29:26,463 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:29:26,463 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:29:26,463 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:29:26,470 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:29:26,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:26,471 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:29:25" (1/3) ... [2025-03-09 07:29:26,472 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eb4c2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:26, skipping insertion in model container [2025-03-09 07:29:26,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:26,473 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:25" (2/3) ... [2025-03-09 07:29:26,473 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3eb4c2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:26, skipping insertion in model container [2025-03-09 07:29:26,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:26,474 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:26" (3/3) ... [2025-03-09 07:29:26,474 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2025-03-09 07:29:26,519 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:29:26,519 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:29:26,519 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:29:26,519 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:29:26,519 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:29:26,519 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:29:26,520 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:29:26,520 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:29:26,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 318 states, 317 states have (on average 1.3470031545741326) internal successors, (427), 317 states have internal predecessors, (427), 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 07:29:26,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 207 [2025-03-09 07:29:26,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:26,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:26,554 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:26,554 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:26,554 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:29:26,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 318 states, 317 states have (on average 1.3470031545741326) internal successors, (427), 317 states have internal predecessors, (427), 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 07:29:26,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 207 [2025-03-09 07:29:26,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:26,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:26,563 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:26,563 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:26,570 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:26,570 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#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__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:26,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:26,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2008811213, now seen corresponding path program 1 times [2025-03-09 07:29:26,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:26,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103839674] [2025-03-09 07:29:26,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:26,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:26,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:26,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:26,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:26,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:26,642 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:26,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:26,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:26,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:26,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:26,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:26,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:26,673 INFO L85 PathProgramCache]: Analyzing trace with hash -802589366, now seen corresponding path program 1 times [2025-03-09 07:29:26,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:26,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888087971] [2025-03-09 07:29:26,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:26,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:26,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:29:26,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:29:26,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:26,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:26,744 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 07:29:26,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888087971] [2025-03-09 07:29:26,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888087971] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:26,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:26,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:29:26,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012129898] [2025-03-09 07:29:26,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:26,752 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:29:26,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:26,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:29:26,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:29:26,771 INFO L87 Difference]: Start difference. First operand has 318 states, 317 states have (on average 1.3470031545741326) internal successors, (427), 317 states have internal predecessors, (427), 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 07:29:26,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:26,817 INFO L93 Difference]: Finished difference Result 312 states and 413 transitions. [2025-03-09 07:29:26,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 413 transitions. [2025-03-09 07:29:26,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 201 [2025-03-09 07:29:26,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 302 states and 402 transitions. [2025-03-09 07:29:26,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2025-03-09 07:29:26,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2025-03-09 07:29:26,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 402 transitions. [2025-03-09 07:29:26,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:26,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 302 states and 402 transitions. [2025-03-09 07:29:26,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 402 transitions. [2025-03-09 07:29:26,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2025-03-09 07:29:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 302 states have (on average 1.3311258278145695) internal successors, (402), 301 states have internal predecessors, (402), 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 07:29:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 402 transitions. [2025-03-09 07:29:26,868 INFO L240 hiAutomatonCegarLoop]: Abstraction has 302 states and 402 transitions. [2025-03-09 07:29:26,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:29:26,871 INFO L432 stractBuchiCegarLoop]: Abstraction has 302 states and 402 transitions. [2025-03-09 07:29:26,871 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:29:26,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 302 states and 402 transitions. [2025-03-09 07:29:26,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 201 [2025-03-09 07:29:26,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:26,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:26,873 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:26,873 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 07:29:26,873 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:26,873 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#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_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret8#1, isMethaneAlarm_~retValue_acc~0#1;havoc isMethaneAlarm_~retValue_acc~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "isMethaneAlarm_#t~ret8#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0#1 := isMethaneAlarm_#t~ret8#1;havoc isMethaneAlarm_#t~ret8#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1;" "processEnvironment_#t~ret6#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret8#1, isMethaneAlarm_~retValue_acc~0#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret6#1;havoc processEnvironment_#t~ret6#1;" "assume 0 != processEnvironment_~tmp~2#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:26,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:26,873 INFO L85 PathProgramCache]: Analyzing trace with hash -2008811213, now seen corresponding path program 2 times [2025-03-09 07:29:26,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:26,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603640377] [2025-03-09 07:29:26,873 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:29:26,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:26,877 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:26,881 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:26,881 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:29:26,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:26,881 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:26,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:26,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:26,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:26,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:26,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:26,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:26,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1290458098, now seen corresponding path program 1 times [2025-03-09 07:29:26,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:26,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569108769] [2025-03-09 07:29:26,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:26,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:26,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 07:29:26,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 07:29:26,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:26,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:26,921 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 07:29:26,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:26,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569108769] [2025-03-09 07:29:26,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569108769] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:26,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:26,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 07:29:26,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602342539] [2025-03-09 07:29:26,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:26,922 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-09 07:29:26,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:26,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:29:26,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:29:26,923 INFO L87 Difference]: Start difference. First operand 302 states and 402 transitions. cyclomatic complexity: 102 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:29:27,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:27,015 INFO L93 Difference]: Finished difference Result 306 states and 386 transitions. [2025-03-09 07:29:27,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 306 states and 386 transitions. [2025-03-09 07:29:27,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 208 [2025-03-09 07:29:27,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 306 states to 306 states and 386 transitions. [2025-03-09 07:29:27,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 306 [2025-03-09 07:29:27,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2025-03-09 07:29:27,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 386 transitions. [2025-03-09 07:29:27,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:27,024 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 386 transitions. [2025-03-09 07:29:27,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 386 transitions. [2025-03-09 07:29:27,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2025-03-09 07:29:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 306 states have (on average 1.261437908496732) internal successors, (386), 305 states have internal predecessors, (386), 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 07:29:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 386 transitions. [2025-03-09 07:29:27,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 306 states and 386 transitions. [2025-03-09 07:29:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:29:27,033 INFO L432 stractBuchiCegarLoop]: Abstraction has 306 states and 386 transitions. [2025-03-09 07:29:27,033 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-03-09 07:29:27,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 306 states and 386 transitions. [2025-03-09 07:29:27,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 208 [2025-03-09 07:29:27,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:27,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:27,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:27,035 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 07:29:27,035 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:27,035 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet22#1;test_~tmp___1~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#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~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret17#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret17#1;havoc isHighWaterLevel_#t~ret17#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:27,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:27,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2008811213, now seen corresponding path program 3 times [2025-03-09 07:29:27,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:27,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314206407] [2025-03-09 07:29:27,038 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 07:29:27,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:27,042 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:27,046 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:27,047 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-09 07:29:27,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:27,047 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:27,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:27,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:27,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:27,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:27,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:27,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:27,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1720485799, now seen corresponding path program 1 times [2025-03-09 07:29:27,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:27,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513615809] [2025-03-09 07:29:27,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:27,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:27,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:29:27,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:29:27,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:27,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:27,074 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:27,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-09 07:29:27,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-09 07:29:27,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:27,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:27,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:27,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:27,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2094292519, now seen corresponding path program 1 times [2025-03-09 07:29:27,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:27,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864419849] [2025-03-09 07:29:27,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:27,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:27,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 07:29:27,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 07:29:27,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:27,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:27,108 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:27,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-09 07:29:27,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-09 07:29:27,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:27,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:27,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:27,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:27,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:27,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:27,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:27,848 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:27,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:29:27,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:29:27,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:27,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:27,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:29:27 BoogieIcfgContainer [2025-03-09 07:29:27,898 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:29:27,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:29:27,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:29:27,901 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:29:27,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:26" (3/4) ... [2025-03-09 07:29:27,903 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:29:27,946 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:29:27,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:29:27,948 INFO L158 Benchmark]: Toolchain (without parser) took 2712.05ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 113.8MB in the beginning and 302.3MB in the end (delta: -188.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2025-03-09 07:29:27,948 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:27,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.26ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 94.9MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:29:27,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.65ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 90.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:29:27,949 INFO L158 Benchmark]: Boogie Preprocessor took 57.45ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 85.2MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:27,949 INFO L158 Benchmark]: IcfgBuilder took 781.11ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 101.0MB in the end (delta: -15.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2025-03-09 07:29:27,949 INFO L158 Benchmark]: BuchiAutomizer took 1434.88ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 101.0MB in the beginning and 306.3MB in the end (delta: -205.3MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2025-03-09 07:29:27,950 INFO L158 Benchmark]: Witness Printer took 44.92ms. Allocated memory is still 394.3MB. Free memory was 306.3MB in the beginning and 302.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:27,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.26ms. Allocated memory is still 142.6MB. Free memory was 113.8MB in the beginning and 94.9MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.65ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 90.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.45ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 85.2MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 781.11ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 101.0MB in the end (delta: -15.8MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1434.88ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 101.0MB in the beginning and 306.3MB in the end (delta: -205.3MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Witness Printer took 44.92ms. Allocated memory is still 394.3MB. Free memory was 306.3MB in the beginning and 302.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [309] - GenericResultAtLocation [Line: 379]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [379] - GenericResultAtLocation [Line: 417]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [417] - GenericResultAtLocation [Line: 783]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [783] - GenericResultAtLocation [Line: 879]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [879] - GenericResultAtLocation [Line: 983]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [983] - GenericResultAtLocation [Line: 1010]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1010] * 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 306 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, 627 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 627 mSDsluCounter, 820 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 698 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: 323]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L587] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L784] int cleanupTimeShifts = 4; [L881] int waterLevel = 1; [L882] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] int retValue_acc ; [L858] int tmp ; [L862] FCALL select_helpers() [L863] FCALL select_features() [L864] CALL, EXPR valid_product() [L409] int retValue_acc ; [L412] retValue_acc = 1 [L413] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] RET, EXPR valid_product() [L864] tmp = valid_product() [L866] COND TRUE \read(tmp) [L868] FCALL setup() [L869] CALL runTest() [L851] CALL test() [L314] int splverifierCounter ; [L315] int tmp ; [L316] int tmp___0 ; [L317] int tmp___1 ; [L318] int tmp___2 ; [L321] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L325] COND TRUE splverifierCounter < 4 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L341] tmp___0 = __VERIFIER_nondet_int() [L343] COND FALSE !(\read(tmp___0)) [L351] tmp___2 = __VERIFIER_nondet_int() [L353] COND FALSE !(\read(tmp___2)) [L359] tmp___1 = __VERIFIER_nondet_int() [L361] COND TRUE \read(tmp___1) [L368] CALL timeShift() [L69] COND FALSE !(\read(pumpRunning)) [L76] COND TRUE \read(systemActive) [L78] CALL processEnvironment() [L150] int tmp ; [L153] COND FALSE !(\read(pumpRunning)) [L168] CALL processEnvironment__wrappee__methaneQuery() [L124] int tmp ; [L127] COND FALSE !(\read(pumpRunning)) [L142] CALL processEnvironment__wrappee__highWaterSensor() [L98] int tmp ; [L101] COND TRUE ! pumpRunning [L103] CALL, EXPR isHighWaterLevel() [L264] int retValue_acc ; [L265] int tmp ; [L266] int tmp___0 ; [L270] CALL, EXPR isHighWaterSensorDry() [L961] int retValue_acc ; [L964] COND TRUE waterLevel < 2 [L965] retValue_acc = 1 [L966] return (retValue_acc); [L270] RET, EXPR isHighWaterSensorDry() [L270] tmp = isHighWaterSensorDry() [L272] COND TRUE \read(tmp) [L273] tmp___0 = 0 [L277] retValue_acc = tmp___0 [L278] return (retValue_acc); [L103] RET, EXPR isHighWaterLevel() [L103] tmp = isHighWaterLevel() [L105] COND FALSE !(\read(tmp)) [L111] FCALL processEnvironment__wrappee__base() [L142] RET processEnvironment__wrappee__highWaterSensor() [L168] RET processEnvironment__wrappee__methaneQuery() [L78] RET processEnvironment() [L84] CALL __utac_acc__Specification1_spec__1() [L986] int tmp ; [L987] int tmp___0 ; [L991] CALL, EXPR isMethaneLevelCritical() [L920] int retValue_acc ; [L923] retValue_acc = methaneLevelCritical [L924] return (retValue_acc); [L991] RET, EXPR isMethaneLevelCritical() [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L84] RET __utac_acc__Specification1_spec__1() [L368] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 323]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L587] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L784] int cleanupTimeShifts = 4; [L881] int waterLevel = 1; [L882] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] int retValue_acc ; [L858] int tmp ; [L862] FCALL select_helpers() [L863] FCALL select_features() [L864] CALL, EXPR valid_product() [L409] int retValue_acc ; [L412] retValue_acc = 1 [L413] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] RET, EXPR valid_product() [L864] tmp = valid_product() [L866] COND TRUE \read(tmp) [L868] FCALL setup() [L869] CALL runTest() [L851] CALL test() [L314] int splverifierCounter ; [L315] int tmp ; [L316] int tmp___0 ; [L317] int tmp___1 ; [L318] int tmp___2 ; [L321] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L325] COND TRUE splverifierCounter < 4 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L341] tmp___0 = __VERIFIER_nondet_int() [L343] COND FALSE !(\read(tmp___0)) [L351] tmp___2 = __VERIFIER_nondet_int() [L353] COND FALSE !(\read(tmp___2)) [L359] tmp___1 = __VERIFIER_nondet_int() [L361] COND TRUE \read(tmp___1) [L368] CALL timeShift() [L69] COND FALSE !(\read(pumpRunning)) [L76] COND TRUE \read(systemActive) [L78] CALL processEnvironment() [L150] int tmp ; [L153] COND FALSE !(\read(pumpRunning)) [L168] CALL processEnvironment__wrappee__methaneQuery() [L124] int tmp ; [L127] COND FALSE !(\read(pumpRunning)) [L142] CALL processEnvironment__wrappee__highWaterSensor() [L98] int tmp ; [L101] COND TRUE ! pumpRunning [L103] CALL, EXPR isHighWaterLevel() [L264] int retValue_acc ; [L265] int tmp ; [L266] int tmp___0 ; [L270] CALL, EXPR isHighWaterSensorDry() [L961] int retValue_acc ; [L964] COND TRUE waterLevel < 2 [L965] retValue_acc = 1 [L966] return (retValue_acc); [L270] RET, EXPR isHighWaterSensorDry() [L270] tmp = isHighWaterSensorDry() [L272] COND TRUE \read(tmp) [L273] tmp___0 = 0 [L277] retValue_acc = tmp___0 [L278] return (retValue_acc); [L103] RET, EXPR isHighWaterLevel() [L103] tmp = isHighWaterLevel() [L105] COND FALSE !(\read(tmp)) [L111] FCALL processEnvironment__wrappee__base() [L142] RET processEnvironment__wrappee__highWaterSensor() [L168] RET processEnvironment__wrappee__methaneQuery() [L78] RET processEnvironment() [L84] CALL __utac_acc__Specification1_spec__1() [L986] int tmp ; [L987] int tmp___0 ; [L991] CALL, EXPR isMethaneLevelCritical() [L920] int retValue_acc ; [L923] retValue_acc = methaneLevelCritical [L924] return (retValue_acc); [L991] RET, EXPR isMethaneLevelCritical() [L991] tmp = isMethaneLevelCritical() [L993] COND FALSE !(\read(tmp)) [L84] RET __utac_acc__Specification1_spec__1() [L368] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:29:27,969 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)