./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:46,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:46,406 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:46,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:46,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:46,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:46,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:46,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:46,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:46,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:46,439 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:46,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:46,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:46,441 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:46,441 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:46,441 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:46,442 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:46,443 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:46,443 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:46,443 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:46,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:46,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:46,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:46,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:46,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:46,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:46,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:46,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:46,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:46,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:46,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:46,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:46,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:46,446 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:46,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:46,446 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:46,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:46,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:46,446 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:46,447 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:46,447 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2024-11-17 08:48:46,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:46,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:46,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:46,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:46,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:46,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2024-11-17 08:48:48,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:48,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:48,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2024-11-17 08:48:48,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d21c92989/22c857a68d7745e6b348d571e13fe60c/FLAG6d79112f0 [2024-11-17 08:48:48,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d21c92989/22c857a68d7745e6b348d571e13fe60c [2024-11-17 08:48:48,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:48,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:48,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:48,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:48,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:48,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f52f6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48, skipping insertion in model container [2024-11-17 08:48:48,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:48,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:48,570 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:48,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-17 08:48:48,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2024-11-17 08:48:48,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] [2024-11-17 08:48:48,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [353] [2024-11-17 08:48:48,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [454] [2024-11-17 08:48:48,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [820] [2024-11-17 08:48:48,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [855] [2024-11-17 08:48:48,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [905] [2024-11-17 08:48:48,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:48,640 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:48,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48 WrapperNode [2024-11-17 08:48:48,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:48,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:48,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:48,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:48,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,692 INFO L138 Inliner]: procedures = 57, calls = 105, calls flagged for inlining = 58, calls inlined = 107, statements flattened = 702 [2024-11-17 08:48:48,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:48,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:48,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:48,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:48,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,719 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]. [2024-11-17 08:48:48,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,727 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:48,735 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:48,735 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:48,735 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:48,736 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (1/1) ... [2024-11-17 08:48:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:48,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:48,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:48:48,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:48:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:48,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:48,880 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:48,881 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:49,333 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,334 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L201-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:48:49,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:49,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:49,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:49,335 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:49,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:49,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L996-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:48:49,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L210-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:49,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L210-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:49,336 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L210-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:49,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L210-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:49,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L210-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:49,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L210-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L451-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L950-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L852-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:49,339 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:49,340 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:49,385 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:49,386 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:49,410 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:49,411 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:49,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:49 BoogieIcfgContainer [2024-11-17 08:48:49,412 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:49,412 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:49,415 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:49,417 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:49,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:49,418 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:48" (1/3) ... [2024-11-17 08:48:49,419 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aeb770c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:49, skipping insertion in model container [2024-11-17 08:48:49,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:49,419 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:48" (2/3) ... [2024-11-17 08:48:49,421 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aeb770c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:49, skipping insertion in model container [2024-11-17 08:48:49,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:49,421 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:49" (3/3) ... [2024-11-17 08:48:49,423 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2024-11-17 08:48:49,495 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:49,495 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:49,495 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:49,495 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:49,495 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:49,496 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:49,496 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:49,496 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:49,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 199 states, 198 states have (on average 1.3434343434343434) internal successors, (266), 198 states have internal predecessors, (266), 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) [2024-11-17 08:48:49,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2024-11-17 08:48:49,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:49,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:49,593 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:49,596 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] [2024-11-17 08:48:49,596 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:49,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 199 states, 198 states have (on average 1.3434343434343434) internal successors, (266), 198 states have internal predecessors, (266), 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) [2024-11-17 08:48:49,609 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 129 [2024-11-17 08:48:49,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:49,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:49,616 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:49,616 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] [2024-11-17 08:48:49,626 INFO L745 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRYtrue 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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 39#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 64#L843true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 22#L836true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 152#L851true assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 33#L441true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 91#L413true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 109#L863true assume true;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___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 43#L297true [2024-11-17 08:48:49,627 INFO L747 eck$LassoCheckResult]: Loop: 43#L297true assume true; 117#L297-1true assume !false; 23#test_while_0_continue#1true assume true; 46#L299true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 149#L307true assume !(0 != test_~tmp~4#1); 51#L315true havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 97#L317true assume !(0 != test_~tmp___0~1#1); 142#L325true havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 108#L327true assume 0 != test_~tmp___2~0#1; 45#L342true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#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; 167#L209-5true assume true;__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 92#L873-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 163#L81-2true assume !(0 != ~pumpRunning~0); 25#L88-2true assume !(0 != ~systemActive~0); 110#L96-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 69#L981-2true assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 128#L884-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 181#L902-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 153#L98-2true assume true;assume { :end_inline_timeShift } true; 43#L297true [2024-11-17 08:48:49,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:49,640 INFO L85 PathProgramCache]: Analyzing trace with hash -638687078, now seen corresponding path program 1 times [2024-11-17 08:48:49,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:49,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205612565] [2024-11-17 08:48:49,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:49,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:49,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:49,879 INFO L85 PathProgramCache]: Analyzing trace with hash 940166412, now seen corresponding path program 1 times [2024-11-17 08:48:49,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:49,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394957314] [2024-11-17 08:48:49,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:49,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:49,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:49,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:49,913 INFO L85 PathProgramCache]: Analyzing trace with hash 975930323, now seen corresponding path program 1 times [2024-11-17 08:48:49,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:49,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410854132] [2024-11-17 08:48:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:50,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:50,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410854132] [2024-11-17 08:48:50,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410854132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:50,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:50,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:48:50,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883734071] [2024-11-17 08:48:50,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:50,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:50,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:50,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:50,348 INFO L87 Difference]: Start difference. First operand has 199 states, 198 states have (on average 1.3434343434343434) internal successors, (266), 198 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2024-11-17 08:48:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:50,440 INFO L93 Difference]: Finished difference Result 377 states and 493 transitions. [2024-11-17 08:48:50,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 493 transitions. [2024-11-17 08:48:50,458 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 242 [2024-11-17 08:48:50,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 355 states and 470 transitions. [2024-11-17 08:48:50,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 355 [2024-11-17 08:48:50,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 355 [2024-11-17 08:48:50,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 355 states and 470 transitions. [2024-11-17 08:48:50,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:50,481 INFO L218 hiAutomatonCegarLoop]: Abstraction has 355 states and 470 transitions. [2024-11-17 08:48:50,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states and 470 transitions. [2024-11-17 08:48:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 352. [2024-11-17 08:48:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 352 states have (on average 1.3238636363636365) internal successors, (466), 351 states have internal predecessors, (466), 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) [2024-11-17 08:48:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 466 transitions. [2024-11-17 08:48:50,554 INFO L240 hiAutomatonCegarLoop]: Abstraction has 352 states and 466 transitions. [2024-11-17 08:48:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:50,560 INFO L425 stractBuchiCegarLoop]: Abstraction has 352 states and 466 transitions. [2024-11-17 08:48:50,564 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:50,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 352 states and 466 transitions. [2024-11-17 08:48:50,566 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 242 [2024-11-17 08:48:50,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:50,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:50,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:50,570 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] [2024-11-17 08:48:50,570 INFO L745 eck$LassoCheckResult]: Stem: 790#ULTIMATE.startENTRY 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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 685#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 686#L843 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 638#L836 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 639#L851 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 668#L441 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 669#L413 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 670#L863 assume true;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___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 671#L297 [2024-11-17 08:48:50,570 INFO L747 eck$LassoCheckResult]: Loop: 671#L297 assume true; 808#L297-1 assume !false; 807#test_while_0_continue#1 assume true; 805#L299 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 806#L307 assume !(0 != test_~tmp~4#1); 848#L315 havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 846#L317 assume !(0 != test_~tmp___0~1#1); 843#L325 havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 841#L327 assume 0 != test_~tmp___2~0#1; 839#L342 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#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; 838#L209-5 assume true;__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 837#L873-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 770#L81-2 assume !(0 != ~pumpRunning~0); 636#L88-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 643#L139-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 656#L113-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 705#L105-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 652#L131-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 732#L157-2 assume true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 672#L96-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 673#L981-2 assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 757#L884-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 781#L902-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 782#L98-2 assume true;assume { :end_inline_timeShift } true; 671#L297 [2024-11-17 08:48:50,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,571 INFO L85 PathProgramCache]: Analyzing trace with hash -638687078, now seen corresponding path program 2 times [2024-11-17 08:48:50,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597751047] [2024-11-17 08:48:50,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:50,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,614 INFO L85 PathProgramCache]: Analyzing trace with hash 774041559, now seen corresponding path program 1 times [2024-11-17 08:48:50,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007695838] [2024-11-17 08:48:50,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:50,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:50,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007695838] [2024-11-17 08:48:50,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007695838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:50,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:50,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:48:50,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633364800] [2024-11-17 08:48:50,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:50,660 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:50,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:50,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:50,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:50,664 INFO L87 Difference]: Start difference. First operand 352 states and 466 transitions. cyclomatic complexity: 118 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-17 08:48:50,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:50,783 INFO L93 Difference]: Finished difference Result 495 states and 632 transitions. [2024-11-17 08:48:50,783 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 495 states and 632 transitions. [2024-11-17 08:48:50,785 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 349 [2024-11-17 08:48:50,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 495 states to 495 states and 632 transitions. [2024-11-17 08:48:50,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 495 [2024-11-17 08:48:50,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 495 [2024-11-17 08:48:50,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 495 states and 632 transitions. [2024-11-17 08:48:50,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:50,802 INFO L218 hiAutomatonCegarLoop]: Abstraction has 495 states and 632 transitions. [2024-11-17 08:48:50,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states and 632 transitions. [2024-11-17 08:48:50,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-17 08:48:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 495 states have (on average 1.2767676767676768) internal successors, (632), 494 states have internal predecessors, (632), 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) [2024-11-17 08:48:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 632 transitions. [2024-11-17 08:48:50,834 INFO L240 hiAutomatonCegarLoop]: Abstraction has 495 states and 632 transitions. [2024-11-17 08:48:50,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:50,839 INFO L425 stractBuchiCegarLoop]: Abstraction has 495 states and 632 transitions. [2024-11-17 08:48:50,839 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:50,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 495 states and 632 transitions. [2024-11-17 08:48:50,841 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 349 [2024-11-17 08:48:50,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:50,844 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:50,845 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:50,847 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] [2024-11-17 08:48:50,847 INFO L745 eck$LassoCheckResult]: Stem: 1666#ULTIMATE.startENTRY 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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1547#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 1548#L843 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1497#L836 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1498#L851 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 1530#L441 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 1531#L413 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1532#L863 assume true;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___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1533#L297 [2024-11-17 08:48:50,848 INFO L747 eck$LassoCheckResult]: Loop: 1533#L297 assume true; 1810#L297-1 assume !false; 1495#test_while_0_continue#1 assume true; 1496#L299 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 1574#L307 assume !(0 != test_~tmp~4#1); 1584#L315 havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1448#L317 assume !(0 != test_~tmp___0~1#1); 1450#L325 havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1522#L327 assume 0 != test_~tmp___2~0#1; 1524#L342 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#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; 1569#L209-5 assume true;__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 1648#L873-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1640#L81-2 assume !(0 != ~pumpRunning~0); 1641#L88-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1516#L139-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 1517#L113-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1551#L989-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1552#L994-5 assume true;isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 1622#L258-5 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1455#L263-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1456#L264-5 assume true;processEnvironment__wrappee__methaneQuery_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~0#1 := processEnvironment__wrappee__methaneQuery_#t~ret4#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1; 1474#L117-5 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1513#L105-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1514#L131-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1593#L157-2 assume true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1534#L96-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1535#L981-2 assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 1587#L884-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 1537#L902-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1657#L98-2 assume true;assume { :end_inline_timeShift } true; 1533#L297 [2024-11-17 08:48:50,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,851 INFO L85 PathProgramCache]: Analyzing trace with hash -638687078, now seen corresponding path program 3 times [2024-11-17 08:48:50,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58244155] [2024-11-17 08:48:50,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:50,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:50,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2004818304, now seen corresponding path program 1 times [2024-11-17 08:48:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:50,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673714139] [2024-11-17 08:48:50,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:50,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:51,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:51,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673714139] [2024-11-17 08:48:51,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673714139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:51,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:51,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:48:51,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410470433] [2024-11-17 08:48:51,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:51,073 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:48:51,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:51,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:48:51,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:48:51,075 INFO L87 Difference]: Start difference. First operand 495 states and 632 transitions. cyclomatic complexity: 141 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-17 08:48:51,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:51,196 INFO L93 Difference]: Finished difference Result 982 states and 1244 transitions. [2024-11-17 08:48:51,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 982 states and 1244 transitions. [2024-11-17 08:48:51,204 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 698 [2024-11-17 08:48:51,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 982 states to 982 states and 1244 transitions. [2024-11-17 08:48:51,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 982 [2024-11-17 08:48:51,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 982 [2024-11-17 08:48:51,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 982 states and 1244 transitions. [2024-11-17 08:48:51,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:51,215 INFO L218 hiAutomatonCegarLoop]: Abstraction has 982 states and 1244 transitions. [2024-11-17 08:48:51,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states and 1244 transitions. [2024-11-17 08:48:51,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 976. [2024-11-17 08:48:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 976 states have (on average 1.2622950819672132) internal successors, (1232), 975 states have internal predecessors, (1232), 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) [2024-11-17 08:48:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1232 transitions. [2024-11-17 08:48:51,239 INFO L240 hiAutomatonCegarLoop]: Abstraction has 976 states and 1232 transitions. [2024-11-17 08:48:51,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:51,241 INFO L425 stractBuchiCegarLoop]: Abstraction has 976 states and 1232 transitions. [2024-11-17 08:48:51,241 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-17 08:48:51,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 976 states and 1232 transitions. [2024-11-17 08:48:51,244 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 694 [2024-11-17 08:48:51,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:51,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:51,247 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:51,247 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, 1, 1] [2024-11-17 08:48:51,247 INFO L745 eck$LassoCheckResult]: Stem: 3160#ULTIMATE.startENTRY 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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3030#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 3031#L843 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2983#L836 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 2984#L851 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 3013#L441 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 3014#L413 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3015#L863 assume true;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___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3016#L297 [2024-11-17 08:48:51,248 INFO L747 eck$LassoCheckResult]: Loop: 3016#L297 assume true; 3041#L297-1 assume !false; 2981#test_while_0_continue#1 assume true; 2982#L299 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet17#1;test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 3056#L307 assume !(0 != test_~tmp~4#1); 3067#L315 havoc test_#t~nondet18#1;test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 2937#L317 assume !(0 != test_~tmp___0~1#1); 2939#L325 havoc test_#t~nondet19#1;test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 3005#L327 assume 0 != test_~tmp___2~0#1; 3007#L342 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#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; 3137#L209-5 assume true;__utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 3138#L873-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3128#L81-2 assume !(0 != ~pumpRunning~0); 2986#L88-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 2987#L139-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 3001#L113-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 3032#L989-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 3033#L994-5 assume true;isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 3110#L258-5 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2944#L263-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 2945#L264-5 assume true;processEnvironment__wrappee__methaneQuery_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~0#1 := processEnvironment__wrappee__methaneQuery_#t~ret4#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1; 3421#L117-5 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2998#L105-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2999#L131-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3076#L157-2 assume true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 3017#L96-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 3018#L981-2 assume true;__utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 3070#L884-2 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; 3071#L209-4 assume true;__utac_acc__Specification5_spec__3_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret48#1;havoc __utac_acc__Specification5_spec__3_#t~ret48#1; 3190#L888-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 3150#L902-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3112#L98-2 assume true;assume { :end_inline_timeShift } true; 3016#L297 [2024-11-17 08:48:51,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash -638687078, now seen corresponding path program 4 times [2024-11-17 08:48:51,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:51,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291229957] [2024-11-17 08:48:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:51,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:51,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:51,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:51,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:51,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1809319774, now seen corresponding path program 1 times [2024-11-17 08:48:51,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:51,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201654642] [2024-11-17 08:48:51,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:51,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:51,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:51,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:51,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:51,290 INFO L85 PathProgramCache]: Analyzing trace with hash -401224713, now seen corresponding path program 1 times [2024-11-17 08:48:51,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:51,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196377545] [2024-11-17 08:48:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:51,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:51,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:52,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:52,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:52 BoogieIcfgContainer [2024-11-17 08:48:52,068 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:52,068 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:52,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:52,072 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:52,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:49" (3/4) ... [2024-11-17 08:48:52,074 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:52,129 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:52,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:52,130 INFO L158 Benchmark]: Toolchain (without parser) took 3892.26ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 71.6MB in the beginning and 85.1MB in the end (delta: -13.5MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:52,130 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:52,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.19ms. Allocated memory is still 140.5MB. Free memory was 71.5MB in the beginning and 94.1MB in the end (delta: -22.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-17 08:48:52,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.76ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 90.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:52,134 INFO L158 Benchmark]: Boogie Preprocessor took 40.84ms. Allocated memory is still 140.5MB. Free memory was 90.4MB in the beginning and 87.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:52,134 INFO L158 Benchmark]: IcfgBuilder took 677.00ms. Allocated memory is still 140.5MB. Free memory was 87.2MB in the beginning and 50.1MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-17 08:48:52,135 INFO L158 Benchmark]: BuchiAutomizer took 2655.60ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 49.9MB in the beginning and 88.2MB in the end (delta: -38.4MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-17 08:48:52,135 INFO L158 Benchmark]: Witness Printer took 61.26ms. Allocated memory is still 199.2MB. Free memory was 88.2MB in the beginning and 85.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:52,136 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.19ms. Allocated memory is still 140.5MB. Free memory was 71.5MB in the beginning and 94.1MB in the end (delta: -22.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.76ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 90.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.84ms. Allocated memory is still 140.5MB. Free memory was 90.4MB in the beginning and 87.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 677.00ms. Allocated memory is still 140.5MB. Free memory was 87.2MB in the beginning and 50.1MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2655.60ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 49.9MB in the beginning and 88.2MB in the end (delta: -38.4MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Witness Printer took 61.26ms. Allocated memory is still 199.2MB. Free memory was 88.2MB in the beginning and 85.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] - GenericResultAtLocation [Line: 353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [353] - GenericResultAtLocation [Line: 454]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [454] - GenericResultAtLocation [Line: 820]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [820] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [855] - GenericResultAtLocation [Line: 905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [905] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 976 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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, 622 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 622 mSDsluCounter, 1801 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1058 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 743 mSDtfsCounter, 158 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: 297]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L69] int pumpRunning = 0; [L70] int systemActive = 1; [L354] int cleanupTimeShifts = 4; [L624] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L857] int switchedOnBeforeTS ; [L906] int waterLevel = 1; [L907] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L432] int retValue_acc ; [L433] int tmp ; [L437] FCALL select_helpers() [L438] FCALL select_features() [L439] CALL, EXPR valid_product() [L847] int retValue_acc ; [L850] retValue_acc = 1 [L851] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L439] RET, EXPR valid_product() [L439] tmp = valid_product() [L441] COND TRUE \read(tmp) [L443] FCALL setup() [L444] CALL runTest() [L422] CALL __utac_acc__Specification5_spec__1() [L862] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L422] RET __utac_acc__Specification5_spec__1() [L423] CALL test() [L288] int splverifierCounter ; [L289] int tmp ; [L290] int tmp___0 ; [L291] int tmp___1 ; [L292] int tmp___2 ; [L295] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L297] COND TRUE 1 [L299] COND TRUE splverifierCounter < 4 [L305] tmp = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp)) [L315] tmp___0 = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp___0)) [L325] tmp___2 = __VERIFIER_nondet_int() [L327] COND TRUE \read(tmp___2) [L342] CALL timeShift() [L79] CALL __utac_acc__Specification5_spec__2() [L871] CALL, EXPR isPumpRunning() [L205] int retValue_acc ; [L208] retValue_acc = pumpRunning [L209] return (retValue_acc); [L871] RET, EXPR isPumpRunning() [L871] switchedOnBeforeTS = isPumpRunning() [L79] RET __utac_acc__Specification5_spec__2() [L81] COND FALSE !(\read(pumpRunning)) [L88] COND TRUE \read(systemActive) [L90] CALL processEnvironment() [L136] int tmp ; [L139] COND FALSE !(\read(pumpRunning)) [L154] CALL processEnvironment__wrappee__methaneQuery() [L110] int tmp ; [L113] COND TRUE ! pumpRunning [L115] CALL, EXPR isHighWaterLevel() [L250] int retValue_acc ; [L251] int tmp ; [L252] int tmp___0 ; [L256] CALL, EXPR isHighWaterSensorDry() [L986] int retValue_acc ; [L989] COND TRUE waterLevel < 2 [L990] retValue_acc = 1 [L991] return (retValue_acc); [L256] RET, EXPR isHighWaterSensorDry() [L256] tmp = isHighWaterSensorDry() [L258] COND TRUE \read(tmp) [L259] tmp___0 = 0 [L263] retValue_acc = tmp___0 [L264] return (retValue_acc); [L115] RET, EXPR isHighWaterLevel() [L115] tmp = isHighWaterLevel() [L117] COND FALSE !(\read(tmp)) [L123] FCALL processEnvironment__wrappee__base() [L154] RET processEnvironment__wrappee__methaneQuery() [L90] RET processEnvironment() [L96] CALL __utac_acc__Specification5_spec__3() [L877] int tmp ; [L878] int tmp___0 ; [L882] CALL, EXPR getWaterLevel() [L977] int retValue_acc ; [L980] retValue_acc = waterLevel [L981] return (retValue_acc); [L882] RET, EXPR getWaterLevel() [L882] tmp = getWaterLevel() [L884] COND TRUE tmp != 2 [L886] CALL, EXPR isPumpRunning() [L205] int retValue_acc ; [L208] retValue_acc = pumpRunning [L209] return (retValue_acc); [L886] RET, EXPR isPumpRunning() [L886] tmp___0 = isPumpRunning() [L888] COND FALSE !(\read(tmp___0)) [L96] RET __utac_acc__Specification5_spec__3() [L342] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 297]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L69] int pumpRunning = 0; [L70] int systemActive = 1; [L354] int cleanupTimeShifts = 4; [L624] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L857] int switchedOnBeforeTS ; [L906] int waterLevel = 1; [L907] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L432] int retValue_acc ; [L433] int tmp ; [L437] FCALL select_helpers() [L438] FCALL select_features() [L439] CALL, EXPR valid_product() [L847] int retValue_acc ; [L850] retValue_acc = 1 [L851] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L439] RET, EXPR valid_product() [L439] tmp = valid_product() [L441] COND TRUE \read(tmp) [L443] FCALL setup() [L444] CALL runTest() [L422] CALL __utac_acc__Specification5_spec__1() [L862] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L422] RET __utac_acc__Specification5_spec__1() [L423] CALL test() [L288] int splverifierCounter ; [L289] int tmp ; [L290] int tmp___0 ; [L291] int tmp___1 ; [L292] int tmp___2 ; [L295] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L297] COND TRUE 1 [L299] COND TRUE splverifierCounter < 4 [L305] tmp = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp)) [L315] tmp___0 = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp___0)) [L325] tmp___2 = __VERIFIER_nondet_int() [L327] COND TRUE \read(tmp___2) [L342] CALL timeShift() [L79] CALL __utac_acc__Specification5_spec__2() [L871] CALL, EXPR isPumpRunning() [L205] int retValue_acc ; [L208] retValue_acc = pumpRunning [L209] return (retValue_acc); [L871] RET, EXPR isPumpRunning() [L871] switchedOnBeforeTS = isPumpRunning() [L79] RET __utac_acc__Specification5_spec__2() [L81] COND FALSE !(\read(pumpRunning)) [L88] COND TRUE \read(systemActive) [L90] CALL processEnvironment() [L136] int tmp ; [L139] COND FALSE !(\read(pumpRunning)) [L154] CALL processEnvironment__wrappee__methaneQuery() [L110] int tmp ; [L113] COND TRUE ! pumpRunning [L115] CALL, EXPR isHighWaterLevel() [L250] int retValue_acc ; [L251] int tmp ; [L252] int tmp___0 ; [L256] CALL, EXPR isHighWaterSensorDry() [L986] int retValue_acc ; [L989] COND TRUE waterLevel < 2 [L990] retValue_acc = 1 [L991] return (retValue_acc); [L256] RET, EXPR isHighWaterSensorDry() [L256] tmp = isHighWaterSensorDry() [L258] COND TRUE \read(tmp) [L259] tmp___0 = 0 [L263] retValue_acc = tmp___0 [L264] return (retValue_acc); [L115] RET, EXPR isHighWaterLevel() [L115] tmp = isHighWaterLevel() [L117] COND FALSE !(\read(tmp)) [L123] FCALL processEnvironment__wrappee__base() [L154] RET processEnvironment__wrappee__methaneQuery() [L90] RET processEnvironment() [L96] CALL __utac_acc__Specification5_spec__3() [L877] int tmp ; [L878] int tmp___0 ; [L882] CALL, EXPR getWaterLevel() [L977] int retValue_acc ; [L980] retValue_acc = waterLevel [L981] return (retValue_acc); [L882] RET, EXPR getWaterLevel() [L882] tmp = getWaterLevel() [L884] COND TRUE tmp != 2 [L886] CALL, EXPR isPumpRunning() [L205] int retValue_acc ; [L208] retValue_acc = pumpRunning [L209] return (retValue_acc); [L886] RET, EXPR isPumpRunning() [L886] tmp___0 = isPumpRunning() [L888] COND FALSE !(\read(tmp___0)) [L96] RET __utac_acc__Specification5_spec__3() [L342] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:52,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)