./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product56.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_spec2_product56.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 fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:42,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:42,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:42,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:42,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:42,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:42,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:42,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:42,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:42,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:42,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:42,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:42,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:42,645 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:42,647 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:42,648 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:42,648 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:42,648 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:42,648 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:42,649 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:42,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:42,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:42,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:42,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:42,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:42,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:42,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:42,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:42,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:42,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:42,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:42,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:42,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:42,653 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:42,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:42,654 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:42,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:42,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:42,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:42,656 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:42,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa [2024-11-17 08:46:42,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:42,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:42,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:42,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:42,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:42,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2024-11-17 08:46:44,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:44,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:44,478 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2024-11-17 08:46:44,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dbba7fa3/242de7b2750b47208d2997efc96f7142/FLAGa2bdd6092 [2024-11-17 08:46:44,875 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dbba7fa3/242de7b2750b47208d2997efc96f7142 [2024-11-17 08:46:44,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:44,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:44,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:44,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:44,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:44,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:44" (1/1) ... [2024-11-17 08:46:44,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2262c685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:44, skipping insertion in model container [2024-11-17 08:46:44,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:44" (1/1) ... [2024-11-17 08:46:44,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:45,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:45,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:45,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-17 08:46:45,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2024-11-17 08:46:45,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] [2024-11-17 08:46:45,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [535] [2024-11-17 08:46:45,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [575] [2024-11-17 08:46:45,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [827] [2024-11-17 08:46:45,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [897] [2024-11-17 08:46:45,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [935] [2024-11-17 08:46:45,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:45,311 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:45,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45 WrapperNode [2024-11-17 08:46:45,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:45,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:45,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:45,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:45,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,372 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 60, calls inlined = 144, statements flattened = 975 [2024-11-17 08:46:45,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:45,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:45,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:45,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:45,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,390 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,414 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 08:46:45,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,430 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:45,443 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:45,443 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:45,443 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:45,447 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (1/1) ... [2024-11-17 08:46:45,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:45,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:45,478 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 08:46:45,482 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 08:46:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:45,597 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:45,599 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:46,168 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L532-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:46,168 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L532-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:46,168 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L532-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L532-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L532-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L532-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: main_#res#1 := main_~retValue_acc~13#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L932-1: valid_product_#res#1 := valid_product_~retValue_acc~12#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:46,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~10#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L477-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L477-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L477-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L477-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L477-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L477-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L782-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2024-11-17 08:46:46,171 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,172 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:46,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L727-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-17 08:46:46,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L727-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-17 08:46:46,173 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L727-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2024-11-17 08:46:46,200 INFO L? ?]: Removed 235 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:46,200 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:46,214 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:46,215 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:46,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:46 BoogieIcfgContainer [2024-11-17 08:46:46,215 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:46,216 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:46,216 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:46,219 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:46,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:46,219 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:44" (1/3) ... [2024-11-17 08:46:46,220 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4762d030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:46, skipping insertion in model container [2024-11-17 08:46:46,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:46,220 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:45" (2/3) ... [2024-11-17 08:46:46,220 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4762d030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:46, skipping insertion in model container [2024-11-17 08:46:46,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:46,221 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:46" (3/3) ... [2024-11-17 08:46:46,221 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2024-11-17 08:46:46,261 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:46,262 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:46,262 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:46,262 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:46,262 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:46,262 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:46,262 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:46,262 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:46,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 284 states, 283 states have (on average 1.3674911660777385) internal successors, (387), 283 states have internal predecessors, (387), 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 08:46:46,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 186 [2024-11-17 08:46:46,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:46,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:46,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:46,304 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:46,304 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:46,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 284 states, 283 states have (on average 1.3674911660777385) internal successors, (387), 283 states have internal predecessors, (387), 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 08:46:46,313 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 186 [2024-11-17 08:46:46,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:46,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:46,314 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:46,314 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:46,318 INFO L745 eck$LassoCheckResult]: Stem: 271#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 25#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 262#L923true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 270#L916true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 2#L931true assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 233#L1019true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 261#L995true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 50#L543true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 32#L839true [2024-11-17 08:46:46,319 INFO L747 eck$LassoCheckResult]: Loop: 32#L839true assume true; 121#L839-1true assume !false; 159#test_while_3_continue#1true assume true; 228#L841true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 143#L849true assume !(0 != test_~tmp~9#1); 255#L857true havoc test_#t~nondet49#1;test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 129#L859true assume !(0 != test_~tmp___0~3#1); 264#L867true havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 56#L869true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 17#L877true assume !(0 != test_~tmp___1~0#1); 149#L886true assume { :begin_inline_timeShift } true; 281#L589-2true assume !(0 != ~pumpRunning~0); 127#L596-2true assume !(0 != ~systemActive~0); 215#L604-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret32#1, __utac_acc__Specification2_spec__2_#t~ret33#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 161#L476-4true assume true;__utac_acc__Specification2_spec__2_#t~ret32#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret32#1;havoc __utac_acc__Specification2_spec__2_#t~ret32#1; 10#L554-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 177#L572-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret32#1, __utac_acc__Specification2_spec__2_#t~ret33#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 244#L606-2true assume true;assume { :end_inline_timeShift } true; 32#L839true [2024-11-17 08:46:46,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:46,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1868651622, now seen corresponding path program 1 times [2024-11-17 08:46:46,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:46,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961126588] [2024-11-17 08:46:46,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:46,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:46,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:46,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:46,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:46,463 INFO L85 PathProgramCache]: Analyzing trace with hash 483777934, now seen corresponding path program 1 times [2024-11-17 08:46:46,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:46,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431135706] [2024-11-17 08:46:46,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:46,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:46,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:46,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:46,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1762012391, now seen corresponding path program 1 times [2024-11-17 08:46:46,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:46,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722699432] [2024-11-17 08:46:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:46,647 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 08:46:46,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:46,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722699432] [2024-11-17 08:46:46,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722699432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:46,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:46,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:46:46,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253181494] [2024-11-17 08:46:46,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:46,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:46,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:46:46,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:46:46,761 INFO L87 Difference]: Start difference. First operand has 284 states, 283 states have (on average 1.3674911660777385) internal successors, (387), 283 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 08:46:46,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:46,856 INFO L93 Difference]: Finished difference Result 616 states and 823 transitions. [2024-11-17 08:46:46,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 616 states and 823 transitions. [2024-11-17 08:46:46,863 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 404 [2024-11-17 08:46:46,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 616 states to 583 states and 790 transitions. [2024-11-17 08:46:46,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 583 [2024-11-17 08:46:46,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 583 [2024-11-17 08:46:46,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 583 states and 790 transitions. [2024-11-17 08:46:46,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:46,874 INFO L218 hiAutomatonCegarLoop]: Abstraction has 583 states and 790 transitions. [2024-11-17 08:46:46,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states and 790 transitions. [2024-11-17 08:46:46,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 323. [2024-11-17 08:46:46,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 323 states have (on average 1.3529411764705883) internal successors, (437), 322 states have internal predecessors, (437), 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 08:46:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 437 transitions. [2024-11-17 08:46:46,905 INFO L240 hiAutomatonCegarLoop]: Abstraction has 323 states and 437 transitions. [2024-11-17 08:46:46,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 08:46:46,908 INFO L425 stractBuchiCegarLoop]: Abstraction has 323 states and 437 transitions. [2024-11-17 08:46:46,908 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:46,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 323 states and 437 transitions. [2024-11-17 08:46:46,910 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2024-11-17 08:46:46,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:46,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:46,911 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:46,911 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 08:46:46,911 INFO L745 eck$LassoCheckResult]: Stem: 1185#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 962#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 963#L923 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1183#L916 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 918#L931 assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 919#L1019 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1177#L995 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1005#L543 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 974#L839 [2024-11-17 08:46:46,912 INFO L747 eck$LassoCheckResult]: Loop: 974#L839 assume true; 975#L839-1 assume !false; 1098#test_while_3_continue#1 assume true; 1133#L841 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1120#L849 assume !(0 != test_~tmp~9#1); 1097#L857 havoc test_#t~nondet49#1;test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1108#L859 assume !(0 != test_~tmp___0~3#1); 1110#L867 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1014#L869 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 948#L877 assume !(0 != test_~tmp___1~0#1); 950#L886 assume { :begin_inline_timeShift } true; 1127#L589-2 assume !(0 != ~pumpRunning~0); 1106#L596-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 965#L673-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret37#1, isMethaneAlarm_~retValue_acc~7#1;havoc isMethaneAlarm_~retValue_acc~7#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 967#L476-5 assume true;isMethaneAlarm_#t~ret37#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~7#1 := isMethaneAlarm_#t~ret37#1;havoc isMethaneAlarm_#t~ret37#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~7#1; 1041#L717-2 assume true;processEnvironment_#t~ret36#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret37#1, isMethaneAlarm_~retValue_acc~7#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret36#1;havoc processEnvironment_#t~ret36#1; 1081#L677-2 assume 0 != processEnvironment_~tmp~6#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1169#L707-6 assume true;assume { :end_inline_deactivatePump } true; 980#L691-2 assume true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 981#L604-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret32#1, __utac_acc__Specification2_spec__2_#t~ret33#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1135#L476-4 assume true;__utac_acc__Specification2_spec__2_#t~ret32#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret32#1;havoc __utac_acc__Specification2_spec__2_#t~ret32#1; 933#L554-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 935#L572-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret32#1, __utac_acc__Specification2_spec__2_#t~ret33#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1148#L606-2 assume true;assume { :end_inline_timeShift } true; 974#L839 [2024-11-17 08:46:46,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:46,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1868651622, now seen corresponding path program 2 times [2024-11-17 08:46:46,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:46,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672216421] [2024-11-17 08:46:46,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:46,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:46,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:46,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:46,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:46,927 INFO L85 PathProgramCache]: Analyzing trace with hash -587402274, now seen corresponding path program 1 times [2024-11-17 08:46:46,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:46,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694468436] [2024-11-17 08:46:46,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:46,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:46,947 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 08:46:46,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:46,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694468436] [2024-11-17 08:46:46,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694468436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:46,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:46,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:46,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382211574] [2024-11-17 08:46:46,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:46,948 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:46,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:46,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:46,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:46,948 INFO L87 Difference]: Start difference. First operand 323 states and 437 transitions. cyclomatic complexity: 117 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 08:46:47,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:47,019 INFO L93 Difference]: Finished difference Result 333 states and 427 transitions. [2024-11-17 08:46:47,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 333 states and 427 transitions. [2024-11-17 08:46:47,020 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236 [2024-11-17 08:46:47,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 333 states to 333 states and 427 transitions. [2024-11-17 08:46:47,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 333 [2024-11-17 08:46:47,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 333 [2024-11-17 08:46:47,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 333 states and 427 transitions. [2024-11-17 08:46:47,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:47,024 INFO L218 hiAutomatonCegarLoop]: Abstraction has 333 states and 427 transitions. [2024-11-17 08:46:47,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states and 427 transitions. [2024-11-17 08:46:47,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2024-11-17 08:46:47,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 333 states have (on average 1.2822822822822824) internal successors, (427), 332 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:47,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 427 transitions. [2024-11-17 08:46:47,031 INFO L240 hiAutomatonCegarLoop]: Abstraction has 333 states and 427 transitions. [2024-11-17 08:46:47,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:47,032 INFO L425 stractBuchiCegarLoop]: Abstraction has 333 states and 427 transitions. [2024-11-17 08:46:47,032 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:46:47,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 333 states and 427 transitions. [2024-11-17 08:46:47,034 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 236 [2024-11-17 08:46:47,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:47,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:47,034 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:47,034 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] [2024-11-17 08:46:47,034 INFO L745 eck$LassoCheckResult]: Stem: 1812#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1612#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1613#L923 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1810#L916 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 1580#L931 assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 1581#L1019 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1800#L995 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1653#L543 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1654#L839 [2024-11-17 08:46:47,035 INFO L747 eck$LassoCheckResult]: Loop: 1654#L839 assume true; 1887#L839-1 assume !false; 1886#test_while_3_continue#1 assume true; 1884#L841 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet48#1;test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1879#L849 assume !(0 != test_~tmp~9#1); 1875#L857 havoc test_#t~nondet49#1;test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1732#L859 assume !(0 != test_~tmp___0~3#1); 1734#L867 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1662#L869 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1600#L877 assume !(0 != test_~tmp___1~0#1); 1602#L886 assume { :begin_inline_timeShift } true; 1751#L589-2 assume !(0 != ~pumpRunning~0); 1730#L596-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1617#L673-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret35#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 1618#L647-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1619#L621-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 1620#L516-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1683#L521-11 assume true;isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; 1605#L775-11 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1606#L780-11 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1666#L781-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret34#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret34#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1; 1793#L625-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1767#L613-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1768#L639-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1737#L665-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret35#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1629#L691-2 assume true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1630#L604-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret32#1, __utac_acc__Specification2_spec__2_#t~ret33#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1901#L476-4 assume true;__utac_acc__Specification2_spec__2_#t~ret32#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret32#1;havoc __utac_acc__Specification2_spec__2_#t~ret32#1; 1894#L554-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 1889#L572-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret32#1, __utac_acc__Specification2_spec__2_#t~ret33#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1888#L606-2 assume true;assume { :end_inline_timeShift } true; 1654#L839 [2024-11-17 08:46:47,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:47,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1868651622, now seen corresponding path program 3 times [2024-11-17 08:46:47,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:47,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514088066] [2024-11-17 08:46:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:47,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:47,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:47,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:47,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:47,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1731527047, now seen corresponding path program 1 times [2024-11-17 08:46:47,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:47,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11013616] [2024-11-17 08:46:47,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:47,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:47,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:47,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:47,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:47,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1846663232, now seen corresponding path program 1 times [2024-11-17 08:46:47,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:47,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110845079] [2024-11-17 08:46:47,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:47,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:47,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:47,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:47,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:47,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:47 BoogieIcfgContainer [2024-11-17 08:46:47,809 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:47,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:47,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:47,810 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:47,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:46" (3/4) ... [2024-11-17 08:46:47,811 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:47,851 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:47,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:47,852 INFO L158 Benchmark]: Toolchain (without parser) took 2973.89ms. Allocated memory was 182.5MB in the beginning and 297.8MB in the end (delta: 115.3MB). Free memory was 110.9MB in the beginning and 176.8MB in the end (delta: -65.8MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2024-11-17 08:46:47,853 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 182.5MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:47,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.29ms. Allocated memory is still 182.5MB. Free memory was 110.7MB in the beginning and 148.1MB in the end (delta: -37.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-17 08:46:47,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.76ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 144.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:47,853 INFO L158 Benchmark]: Boogie Preprocessor took 69.56ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 139.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:47,854 INFO L158 Benchmark]: IcfgBuilder took 772.70ms. Allocated memory is still 182.5MB. Free memory was 139.8MB in the beginning and 90.6MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:47,854 INFO L158 Benchmark]: BuchiAutomizer took 1593.01ms. Allocated memory was 182.5MB in the beginning and 297.8MB in the end (delta: 115.3MB). Free memory was 90.6MB in the beginning and 179.9MB in the end (delta: -89.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-11-17 08:46:47,854 INFO L158 Benchmark]: Witness Printer took 42.50ms. Allocated memory is still 297.8MB. Free memory was 179.9MB in the beginning and 176.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:47,855 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 182.5MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.29ms. Allocated memory is still 182.5MB. Free memory was 110.7MB in the beginning and 148.1MB in the end (delta: -37.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.76ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 144.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.56ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 139.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 772.70ms. Allocated memory is still 182.5MB. Free memory was 139.8MB in the beginning and 90.6MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1593.01ms. Allocated memory was 182.5MB in the beginning and 297.8MB in the end (delta: 115.3MB). Free memory was 90.6MB in the beginning and 179.9MB in the end (delta: -89.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Witness Printer took 42.50ms. Allocated memory is still 297.8MB. Free memory was 179.9MB in the beginning and 176.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] - GenericResultAtLocation [Line: 535]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [535] - GenericResultAtLocation [Line: 575]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [575] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [827] - GenericResultAtLocation [Line: 897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [897] - GenericResultAtLocation [Line: 935]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [935] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 333 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 260 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1250 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1250 mSDsluCounter, 1970 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1308 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 662 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 839]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L433] int waterLevel = 1; [L434] int methaneLevelCritical = 0; [L537] int methAndRunningLastTime ; [L582] int pumpRunning = 0; [L583] int systemActive = 1; [L936] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1010] int retValue_acc ; [L1011] int tmp ; [L1015] FCALL select_helpers() [L1016] FCALL select_features() [L1017] CALL, EXPR valid_product() [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1017] RET, EXPR valid_product() [L1017] tmp = valid_product() [L1019] COND TRUE \read(tmp) [L1021] FCALL setup() [L1022] CALL runTest() [L1003] CALL __utac_acc__Specification2_spec__1() [L542] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1003] RET __utac_acc__Specification2_spec__1() [L1004] CALL test() [L830] int splverifierCounter ; [L831] int tmp ; [L832] int tmp___0 ; [L833] int tmp___1 ; [L834] int tmp___2 ; [L837] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L839] COND TRUE 1 [L841] COND TRUE splverifierCounter < 4 [L847] tmp = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp)) [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND FALSE !(\read(tmp___0)) [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND FALSE !(\read(tmp___2)) [L875] tmp___1 = __VERIFIER_nondet_int() [L877] COND FALSE !(\read(tmp___1)) [L886] CALL timeShift() [L589] COND FALSE !(\read(pumpRunning)) [L596] COND TRUE \read(systemActive) [L598] CALL processEnvironment() [L670] int tmp ; [L673] COND FALSE !(\read(pumpRunning)) [L688] CALL processEnvironment__wrappee__lowWaterSensor() [L644] int tmp ; [L647] COND FALSE !(\read(pumpRunning)) [L662] CALL processEnvironment__wrappee__highWaterSensor() [L618] int tmp ; [L621] COND TRUE ! pumpRunning [L623] CALL, EXPR isHighWaterLevel() [L767] int retValue_acc ; [L768] int tmp ; [L769] int tmp___0 ; [L773] CALL, EXPR isHighWaterSensorDry() [L513] int retValue_acc ; [L516] COND TRUE waterLevel < 2 [L517] retValue_acc = 1 [L518] return (retValue_acc); [L773] RET, EXPR isHighWaterSensorDry() [L773] tmp = isHighWaterSensorDry() [L775] COND TRUE \read(tmp) [L776] tmp___0 = 0 [L780] retValue_acc = tmp___0 [L781] return (retValue_acc); [L623] RET, EXPR isHighWaterLevel() [L623] tmp = isHighWaterLevel() [L625] COND FALSE !(\read(tmp)) [L631] FCALL processEnvironment__wrappee__base() [L662] RET processEnvironment__wrappee__highWaterSensor() [L688] RET processEnvironment__wrappee__lowWaterSensor() [L598] RET processEnvironment() [L604] CALL __utac_acc__Specification2_spec__2() [L547] int tmp ; [L548] int tmp___0 ; [L552] CALL, EXPR isMethaneLevelCritical() [L472] int retValue_acc ; [L475] retValue_acc = methaneLevelCritical [L476] return (retValue_acc); [L552] RET, EXPR isMethaneLevelCritical() [L552] tmp = isMethaneLevelCritical() [L554] COND FALSE !(\read(tmp)) [L570] methAndRunningLastTime = 0 [L604] RET __utac_acc__Specification2_spec__2() [L886] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 839]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L433] int waterLevel = 1; [L434] int methaneLevelCritical = 0; [L537] int methAndRunningLastTime ; [L582] int pumpRunning = 0; [L583] int systemActive = 1; [L936] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1010] int retValue_acc ; [L1011] int tmp ; [L1015] FCALL select_helpers() [L1016] FCALL select_features() [L1017] CALL, EXPR valid_product() [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1017] RET, EXPR valid_product() [L1017] tmp = valid_product() [L1019] COND TRUE \read(tmp) [L1021] FCALL setup() [L1022] CALL runTest() [L1003] CALL __utac_acc__Specification2_spec__1() [L542] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1003] RET __utac_acc__Specification2_spec__1() [L1004] CALL test() [L830] int splverifierCounter ; [L831] int tmp ; [L832] int tmp___0 ; [L833] int tmp___1 ; [L834] int tmp___2 ; [L837] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L839] COND TRUE 1 [L841] COND TRUE splverifierCounter < 4 [L847] tmp = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp)) [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND FALSE !(\read(tmp___0)) [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND FALSE !(\read(tmp___2)) [L875] tmp___1 = __VERIFIER_nondet_int() [L877] COND FALSE !(\read(tmp___1)) [L886] CALL timeShift() [L589] COND FALSE !(\read(pumpRunning)) [L596] COND TRUE \read(systemActive) [L598] CALL processEnvironment() [L670] int tmp ; [L673] COND FALSE !(\read(pumpRunning)) [L688] CALL processEnvironment__wrappee__lowWaterSensor() [L644] int tmp ; [L647] COND FALSE !(\read(pumpRunning)) [L662] CALL processEnvironment__wrappee__highWaterSensor() [L618] int tmp ; [L621] COND TRUE ! pumpRunning [L623] CALL, EXPR isHighWaterLevel() [L767] int retValue_acc ; [L768] int tmp ; [L769] int tmp___0 ; [L773] CALL, EXPR isHighWaterSensorDry() [L513] int retValue_acc ; [L516] COND TRUE waterLevel < 2 [L517] retValue_acc = 1 [L518] return (retValue_acc); [L773] RET, EXPR isHighWaterSensorDry() [L773] tmp = isHighWaterSensorDry() [L775] COND TRUE \read(tmp) [L776] tmp___0 = 0 [L780] retValue_acc = tmp___0 [L781] return (retValue_acc); [L623] RET, EXPR isHighWaterLevel() [L623] tmp = isHighWaterLevel() [L625] COND FALSE !(\read(tmp)) [L631] FCALL processEnvironment__wrappee__base() [L662] RET processEnvironment__wrappee__highWaterSensor() [L688] RET processEnvironment__wrappee__lowWaterSensor() [L598] RET processEnvironment() [L604] CALL __utac_acc__Specification2_spec__2() [L547] int tmp ; [L548] int tmp___0 ; [L552] CALL, EXPR isMethaneLevelCritical() [L472] int retValue_acc ; [L475] retValue_acc = methaneLevelCritical [L476] return (retValue_acc); [L552] RET, EXPR isMethaneLevelCritical() [L552] tmp = isMethaneLevelCritical() [L554] COND FALSE !(\read(tmp)) [L570] methAndRunningLastTime = 0 [L604] RET __utac_acc__Specification2_spec__2() [L886] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:47,877 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)