./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:47:30,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:47:30,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:47:30,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:47:30,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:47:30,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:47:30,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:47:30,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:47:30,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:47:30,311 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:47:30,311 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:47:30,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:47:30,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:47:30,312 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:47:30,312 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:47:30,313 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:47:30,313 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:47:30,313 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:47:30,313 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:47:30,313 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:47:30,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:47:30,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:47:30,313 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:47:30,314 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:47:30,314 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:47:30,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:47:30,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:47:30,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:47:30,315 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:47:30,315 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c [2025-02-06 19:47:30,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:47:30,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:47:30,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:47:30,547 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:47:30,549 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:47:30,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2025-02-06 19:47:31,687 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b600064af/a0a622b0dc92440db539f64bcc089c69/FLAGf8e88708c [2025-02-06 19:47:31,943 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:47:31,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2025-02-06 19:47:31,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b600064af/a0a622b0dc92440db539f64bcc089c69/FLAGf8e88708c [2025-02-06 19:47:32,258 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b600064af/a0a622b0dc92440db539f64bcc089c69 [2025-02-06 19:47:32,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:47:32,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:47:32,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:32,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:47:32,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:47:32,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f67c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32, skipping insertion in model container [2025-02-06 19:47:32,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:47:32,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:32,514 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:47:32,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-02-06 19:47:32,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [261] [2025-02-06 19:47:32,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [329] [2025-02-06 19:47:32,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [433] [2025-02-06 19:47:32,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [442] [2025-02-06 19:47:32,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [543] [2025-02-06 19:47:32,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [578] [2025-02-06 19:47:32,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [944] [2025-02-06 19:47:32,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:47:32,573 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:47:32,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32 WrapperNode [2025-02-06 19:47:32,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:47:32,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:32,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:47:32,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:47:32,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,604 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 87, statements flattened = 583 [2025-02-06 19:47:32,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:47:32,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:47:32,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:47:32,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:47:32,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,632 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 19:47:32,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,637 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:47:32,645 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:47:32,645 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:47:32,645 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:47:32,646 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (1/1) ... [2025-02-06 19:47:32,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:47:32,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:47:32,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:47:32,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:47:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:47:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:47:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:47:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:47:32,745 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:47:32,747 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:47:33,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L184-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:33,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L184-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:33,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L184-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:33,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L184-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:33,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L184-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:33,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L184-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:47:33,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L239-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:33,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L239-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L239-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L239-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L239-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L421-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L239-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L421-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L421-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L421-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L421-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L421-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-02-06 19:47:33,150 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L258-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~3#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L407-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L407-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L407-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L540-1: main_#res#1 := main_~retValue_acc~8#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L575-1: valid_product_#res#1 := valid_product_~retValue_acc~10#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-02-06 19:47:33,151 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L430-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~7#1; [2025-02-06 19:47:33,174 INFO L? ?]: Removed 136 outVars from TransFormulas that were not future-live. [2025-02-06 19:47:33,175 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:47:33,182 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:47:33,183 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:47:33,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:33 BoogieIcfgContainer [2025-02-06 19:47:33,183 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:47:33,183 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:47:33,184 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:47:33,187 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:47:33,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:33,187 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:47:32" (1/3) ... [2025-02-06 19:47:33,188 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d901ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:33, skipping insertion in model container [2025-02-06 19:47:33,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:33,188 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:47:32" (2/3) ... [2025-02-06 19:47:33,188 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d901ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:47:33, skipping insertion in model container [2025-02-06 19:47:33,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:47:33,189 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:33" (3/3) ... [2025-02-06 19:47:33,189 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2025-02-06 19:47:33,219 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:47:33,219 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:47:33,220 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:47:33,220 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:47:33,220 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:47:33,220 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:47:33,220 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:47:33,220 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:47:33,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 172 states have (on average 1.3604651162790697) internal successors, (234), 172 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:33,236 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2025-02-06 19:47:33,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:33,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:33,253 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:33,254 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:33,254 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:47:33,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 172 states have (on average 1.3604651162790697) internal successors, (234), 172 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:33,260 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2025-02-06 19:47:33,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:33,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:33,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:33,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:33,264 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:47:33,264 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet18#1;test_~tmp___0~2#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:33,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:33,267 INFO L85 PathProgramCache]: Analyzing trace with hash -927432038, now seen corresponding path program 1 times [2025-02-06 19:47:33,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:33,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795075642] [2025-02-06 19:47:33,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:33,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:33,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:33,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:33,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:33,327 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:33,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:33,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:33,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:33,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:33,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:33,359 INFO L85 PathProgramCache]: Analyzing trace with hash 549841495, now seen corresponding path program 1 times [2025-02-06 19:47:33,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:33,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148160969] [2025-02-06 19:47:33,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:33,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:33,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:47:33,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:47:33,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:33,375 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:33,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:47:33,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:47:33,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:33,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:33,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:33,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1863437534, now seen corresponding path program 1 times [2025-02-06 19:47:33,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:33,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930512783] [2025-02-06 19:47:33,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:33,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:33,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:47:33,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:47:33,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:33,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:33,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930512783] [2025-02-06 19:47:33,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930512783] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:33,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:33,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:47:33,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768695099] [2025-02-06 19:47:33,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:33,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:33,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 19:47:33,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 19:47:33,683 INFO L87 Difference]: Start difference. First operand has 173 states, 172 states have (on average 1.3604651162790697) internal successors, (234), 172 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:33,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:33,750 INFO L93 Difference]: Finished difference Result 167 states and 219 transitions. [2025-02-06 19:47:33,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 219 transitions. [2025-02-06 19:47:33,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2025-02-06 19:47:33,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 157 states and 209 transitions. [2025-02-06 19:47:33,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 157 [2025-02-06 19:47:33,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 157 [2025-02-06 19:47:33,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 209 transitions. [2025-02-06 19:47:33,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:33,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 209 transitions. [2025-02-06 19:47:33,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 209 transitions. [2025-02-06 19:47:33,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2025-02-06 19:47:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.3312101910828025) internal successors, (209), 156 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:33,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2025-02-06 19:47:33,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 209 transitions. [2025-02-06 19:47:33,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:47:33,797 INFO L432 stractBuchiCegarLoop]: Abstraction has 157 states and 209 transitions. [2025-02-06 19:47:33,797 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:47:33,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 209 transitions. [2025-02-06 19:47:33,798 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2025-02-06 19:47:33,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:33,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:33,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:33,799 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] [2025-02-06 19:47:33,799 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:47:33,799 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet18#1;test_~tmp___0~2#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~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_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_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:33,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:33,800 INFO L85 PathProgramCache]: Analyzing trace with hash -927432038, now seen corresponding path program 2 times [2025-02-06 19:47:33,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:33,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619689145] [2025-02-06 19:47:33,800 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:47:33,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:33,808 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:33,812 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:33,812 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:47:33,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:33,812 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:33,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:33,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:33,817 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:33,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:33,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:33,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1079443893, now seen corresponding path program 1 times [2025-02-06 19:47:33,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:33,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475507573] [2025-02-06 19:47:33,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:33,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 19:47:33,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 19:47:33,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:33,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:33,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475507573] [2025-02-06 19:47:33,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475507573] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:33,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:33,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:47:33,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164491024] [2025-02-06 19:47:33,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:33,859 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:47:33,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:33,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:47:33,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:47:33,860 INFO L87 Difference]: Start difference. First operand 157 states and 209 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:33,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:33,945 INFO L93 Difference]: Finished difference Result 219 states and 281 transitions. [2025-02-06 19:47:33,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 219 states and 281 transitions. [2025-02-06 19:47:33,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 150 [2025-02-06 19:47:33,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 219 states to 219 states and 281 transitions. [2025-02-06 19:47:33,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 219 [2025-02-06 19:47:33,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 219 [2025-02-06 19:47:33,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 219 states and 281 transitions. [2025-02-06 19:47:33,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:33,950 INFO L218 hiAutomatonCegarLoop]: Abstraction has 219 states and 281 transitions. [2025-02-06 19:47:33,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states and 281 transitions. [2025-02-06 19:47:33,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2025-02-06 19:47:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 219 states have (on average 1.2831050228310503) internal successors, (281), 218 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 281 transitions. [2025-02-06 19:47:33,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 219 states and 281 transitions. [2025-02-06 19:47:33,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:47:33,956 INFO L432 stractBuchiCegarLoop]: Abstraction has 219 states and 281 transitions. [2025-02-06 19:47:33,957 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:47:33,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 281 transitions. [2025-02-06 19:47:33,958 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 150 [2025-02-06 19:47:33,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:33,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:33,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:33,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:33,959 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:47:33,959 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet18#1;test_~tmp___0~2#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~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~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#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~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1;" "assume 0 != isHighWaterLevel_~tmp~2#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~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#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_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:33,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:33,959 INFO L85 PathProgramCache]: Analyzing trace with hash -927432038, now seen corresponding path program 3 times [2025-02-06 19:47:33,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:33,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685242624] [2025-02-06 19:47:33,960 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:47:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:33,963 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:33,969 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:33,970 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:47:33,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:33,970 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:33,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:33,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:33,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:33,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:33,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:33,980 INFO L85 PathProgramCache]: Analyzing trace with hash 34620980, now seen corresponding path program 1 times [2025-02-06 19:47:33,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:33,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816176793] [2025-02-06 19:47:33,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:33,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:33,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 19:47:33,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 19:47:33,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:33,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:47:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:47:34,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:47:34,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816176793] [2025-02-06 19:47:34,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816176793] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:47:34,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:47:34,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:47:34,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676354306] [2025-02-06 19:47:34,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:47:34,077 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:47:34,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:47:34,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:47:34,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:47:34,077 INFO L87 Difference]: Start difference. First operand 219 states and 281 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:34,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:47:34,287 INFO L93 Difference]: Finished difference Result 428 states and 538 transitions. [2025-02-06 19:47:34,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 428 states and 538 transitions. [2025-02-06 19:47:34,289 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 298 [2025-02-06 19:47:34,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 428 states to 428 states and 538 transitions. [2025-02-06 19:47:34,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 428 [2025-02-06 19:47:34,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 428 [2025-02-06 19:47:34,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 428 states and 538 transitions. [2025-02-06 19:47:34,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:47:34,300 INFO L218 hiAutomatonCegarLoop]: Abstraction has 428 states and 538 transitions. [2025-02-06 19:47:34,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states and 538 transitions. [2025-02-06 19:47:34,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2025-02-06 19:47:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 428 states have (on average 1.2570093457943925) internal successors, (538), 427 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:47:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 538 transitions. [2025-02-06 19:47:34,315 INFO L240 hiAutomatonCegarLoop]: Abstraction has 428 states and 538 transitions. [2025-02-06 19:47:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:47:34,316 INFO L432 stractBuchiCegarLoop]: Abstraction has 428 states and 538 transitions. [2025-02-06 19:47:34,316 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-06 19:47:34,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 428 states and 538 transitions. [2025-02-06 19:47:34,317 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 298 [2025-02-06 19:47:34,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:47:34,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:47:34,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:34,318 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:47:34,318 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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:47:34,318 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet18#1;test_~tmp___0~2#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~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~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#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~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1;" "assume 0 != isHighWaterLevel_~tmp~2#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~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#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_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;havoc getWaterLevel_~retValue_acc~5#1;getWaterLevel_~retValue_acc~5#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~5#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret53#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:47:34,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:34,319 INFO L85 PathProgramCache]: Analyzing trace with hash -927432038, now seen corresponding path program 4 times [2025-02-06 19:47:34,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:34,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140925187] [2025-02-06 19:47:34,319 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 19:47:34,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:34,323 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 8 statements into 2 equivalence classes. [2025-02-06 19:47:34,325 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:34,325 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 19:47:34,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:34,325 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:34,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:34,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:34,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:34,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:34,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:34,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:34,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1089584014, now seen corresponding path program 1 times [2025-02-06 19:47:34,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:34,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322857756] [2025-02-06 19:47:34,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:34,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 19:47:34,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 19:47:34,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:34,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:34,338 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:34,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 19:47:34,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 19:47:34,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:34,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:34,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:34,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:47:34,344 INFO L85 PathProgramCache]: Analyzing trace with hash 714536267, now seen corresponding path program 1 times [2025-02-06 19:47:34,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:47:34,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406490952] [2025-02-06 19:47:34,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:47:34,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:47:34,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:47:34,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:47:34,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:34,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:34,353 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:34,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 19:47:34,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 19:47:34,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:34,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:34,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:47:35,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:35,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:35,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:35,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:35,094 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:47:35,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 19:47:35,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 19:47:35,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:47:35,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:47:35,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:47:35 BoogieIcfgContainer [2025-02-06 19:47:35,145 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:47:35,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:47:35,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:47:35,147 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:47:35,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:47:33" (3/4) ... [2025-02-06 19:47:35,148 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:47:35,179 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:47:35,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:47:35,180 INFO L158 Benchmark]: Toolchain (without parser) took 2919.61ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 99.4MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:47:35,180 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:35,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.51ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 94.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:47:35,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.77ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 92.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:47:35,181 INFO L158 Benchmark]: Boogie Preprocessor took 39.22ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:35,181 INFO L158 Benchmark]: IcfgBuilder took 538.05ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 58.6MB in the end (delta: 31.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 19:47:35,181 INFO L158 Benchmark]: BuchiAutomizer took 1962.12ms. Allocated memory is still 142.6MB. Free memory was 58.6MB in the beginning and 102.9MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:47:35,181 INFO L158 Benchmark]: Witness Printer took 32.94ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 99.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:47:35,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.51ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 94.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.77ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 92.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.22ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 538.05ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 58.6MB in the end (delta: 31.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1962.12ms. Allocated memory is still 142.6MB. Free memory was 58.6MB in the beginning and 102.9MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.94ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 99.4MB in the end (delta: 3.5MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [261] - GenericResultAtLocation [Line: 329]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [329] - GenericResultAtLocation [Line: 433]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [433] - GenericResultAtLocation [Line: 442]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [442] - GenericResultAtLocation [Line: 543]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [543] - GenericResultAtLocation [Line: 578]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [578] - GenericResultAtLocation [Line: 944]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [944] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 428 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 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, 533 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 533 mSDsluCounter, 1798 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1137 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 661 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 275]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L331] int waterLevel = 1; [L332] int methaneLevelCritical = 0; [L443] int cleanupTimeShifts = 4; [L748] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L945] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L521] int retValue_acc ; [L522] int tmp ; [L526] FCALL select_helpers() [L527] FCALL select_features() [L528] CALL, EXPR valid_product() [L570] int retValue_acc ; [L573] retValue_acc = 1 [L574] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L528] RET, EXPR valid_product() [L528] tmp = valid_product() [L530] COND TRUE \read(tmp) [L532] FCALL setup() [L533] CALL runTest() [L511] CALL __utac_acc__Specification5_spec__1() [L950] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L511] RET __utac_acc__Specification5_spec__1() [L512] CALL test() [L266] int splverifierCounter ; [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L270] int tmp___2 ; [L273] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L275] COND TRUE 1 [L277] COND TRUE splverifierCounter < 4 [L283] tmp = __VERIFIER_nondet_int() [L285] COND FALSE !(\read(tmp)) [L293] tmp___0 = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp___0)) [L303] tmp___2 = __VERIFIER_nondet_int() [L305] COND TRUE \read(tmp___2) [L318] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L959] CALL, EXPR isPumpRunning() [L179] int retValue_acc ; [L182] retValue_acc = pumpRunning [L183] return (retValue_acc); [L959] RET, EXPR isPumpRunning() [L959] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L127] int tmp ; [L130] COND FALSE !(\read(pumpRunning)) [L145] CALL processEnvironment__wrappee__highWaterSensor() [L101] int tmp ; [L104] COND TRUE ! pumpRunning [L106] CALL, EXPR isHighWaterLevel() [L224] int retValue_acc ; [L225] int tmp ; [L226] int tmp___0 ; [L230] CALL, EXPR isHighWaterSensorDry() [L411] int retValue_acc ; [L414] COND TRUE waterLevel < 2 [L415] retValue_acc = 1 [L416] return (retValue_acc); [L230] RET, EXPR isHighWaterSensorDry() [L230] tmp = isHighWaterSensorDry() [L232] COND TRUE \read(tmp) [L233] tmp___0 = 0 [L237] retValue_acc = tmp___0 [L238] return (retValue_acc); [L106] RET, EXPR isHighWaterLevel() [L106] tmp = isHighWaterLevel() [L108] COND FALSE !(\read(tmp)) [L114] FCALL processEnvironment__wrappee__base() [L145] RET processEnvironment__wrappee__highWaterSensor() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L965] int tmp ; [L966] int tmp___0 ; [L970] CALL, EXPR getWaterLevel() [L402] int retValue_acc ; [L405] retValue_acc = waterLevel [L406] return (retValue_acc); [L970] RET, EXPR getWaterLevel() [L970] tmp = getWaterLevel() [L972] COND TRUE tmp != 2 [L974] CALL, EXPR isPumpRunning() [L179] int retValue_acc ; [L182] retValue_acc = pumpRunning [L183] return (retValue_acc); [L974] RET, EXPR isPumpRunning() [L974] tmp___0 = isPumpRunning() [L976] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L318] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 275]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L331] int waterLevel = 1; [L332] int methaneLevelCritical = 0; [L443] int cleanupTimeShifts = 4; [L748] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L945] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L521] int retValue_acc ; [L522] int tmp ; [L526] FCALL select_helpers() [L527] FCALL select_features() [L528] CALL, EXPR valid_product() [L570] int retValue_acc ; [L573] retValue_acc = 1 [L574] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L528] RET, EXPR valid_product() [L528] tmp = valid_product() [L530] COND TRUE \read(tmp) [L532] FCALL setup() [L533] CALL runTest() [L511] CALL __utac_acc__Specification5_spec__1() [L950] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L511] RET __utac_acc__Specification5_spec__1() [L512] CALL test() [L266] int splverifierCounter ; [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L270] int tmp___2 ; [L273] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L275] COND TRUE 1 [L277] COND TRUE splverifierCounter < 4 [L283] tmp = __VERIFIER_nondet_int() [L285] COND FALSE !(\read(tmp)) [L293] tmp___0 = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp___0)) [L303] tmp___2 = __VERIFIER_nondet_int() [L305] COND TRUE \read(tmp___2) [L318] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L959] CALL, EXPR isPumpRunning() [L179] int retValue_acc ; [L182] retValue_acc = pumpRunning [L183] return (retValue_acc); [L959] RET, EXPR isPumpRunning() [L959] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L127] int tmp ; [L130] COND FALSE !(\read(pumpRunning)) [L145] CALL processEnvironment__wrappee__highWaterSensor() [L101] int tmp ; [L104] COND TRUE ! pumpRunning [L106] CALL, EXPR isHighWaterLevel() [L224] int retValue_acc ; [L225] int tmp ; [L226] int tmp___0 ; [L230] CALL, EXPR isHighWaterSensorDry() [L411] int retValue_acc ; [L414] COND TRUE waterLevel < 2 [L415] retValue_acc = 1 [L416] return (retValue_acc); [L230] RET, EXPR isHighWaterSensorDry() [L230] tmp = isHighWaterSensorDry() [L232] COND TRUE \read(tmp) [L233] tmp___0 = 0 [L237] retValue_acc = tmp___0 [L238] return (retValue_acc); [L106] RET, EXPR isHighWaterLevel() [L106] tmp = isHighWaterLevel() [L108] COND FALSE !(\read(tmp)) [L114] FCALL processEnvironment__wrappee__base() [L145] RET processEnvironment__wrappee__highWaterSensor() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L965] int tmp ; [L966] int tmp___0 ; [L970] CALL, EXPR getWaterLevel() [L402] int retValue_acc ; [L405] retValue_acc = waterLevel [L406] return (retValue_acc); [L970] RET, EXPR getWaterLevel() [L970] tmp = getWaterLevel() [L972] COND TRUE tmp != 2 [L974] CALL, EXPR isPumpRunning() [L179] int retValue_acc ; [L182] retValue_acc = pumpRunning [L183] return (retValue_acc); [L974] RET, EXPR isPumpRunning() [L974] tmp___0 = isPumpRunning() [L976] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L318] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:47:35,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)