./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product49.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_product49.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 8ebbbe9395fd7f6497497f0e6f84282075bb296e20acc9821d0fb2d7075b331d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:38,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:38,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:38,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:38,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:38,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:38,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:38,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:38,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:38,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:38,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:38,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:38,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:38,328 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:38,328 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:38,329 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:38,329 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:38,329 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:38,329 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:38,330 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:38,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:38,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:38,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:38,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:38,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:38,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:38,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:38,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:38,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:38,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:38,335 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:38,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:38,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:38,336 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:38,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:38,336 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:38,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:38,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:38,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:38,338 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:38,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ebbbe9395fd7f6497497f0e6f84282075bb296e20acc9821d0fb2d7075b331d [2024-11-17 08:46:38,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:38,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:38,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:38,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:38,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:38,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2024-11-17 08:46:40,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:40,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:40,330 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2024-11-17 08:46:40,343 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/082732585/7d52791c470c4535a6e2bcb3739fc13b/FLAG3e2ea98a3 [2024-11-17 08:46:40,355 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/082732585/7d52791c470c4535a6e2bcb3739fc13b [2024-11-17 08:46:40,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:40,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:40,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:40,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:40,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:40,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3633a4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40, skipping insertion in model container [2024-11-17 08:46:40,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:40,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:40,740 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:40,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-17 08:46:40,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] [2024-11-17 08:46:40,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [264] [2024-11-17 08:46:40,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [305] [2024-11-17 08:46:40,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [370] [2024-11-17 08:46:40,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [569] [2024-11-17 08:46:40,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [935] [2024-11-17 08:46:40,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [944] [2024-11-17 08:46:40,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:40,863 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:40,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40 WrapperNode [2024-11-17 08:46:40,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:40,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:40,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:40,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:40,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,917 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 81, statements flattened = 563 [2024-11-17 08:46:40,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:40,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:40,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:40,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:40,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,957 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 08:46:40,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:40,978 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:40,978 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:40,978 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:40,979 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (1/1) ... [2024-11-17 08:46:40,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:40,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:41,014 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 08:46:41,016 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 08:46:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:41,151 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:41,154 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:41,585 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L547-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:41,586 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L547-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:41,586 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L547-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:41,586 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L547-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:41,586 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L547-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:41,586 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L152-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-17 08:46:41,587 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L252-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:41,587 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L252-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:41,587 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L252-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:41,587 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L252-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L252-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L566-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~8#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L252-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L206-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L206-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L206-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L492-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:46:41,588 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L492-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:46:41,589 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L492-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-17 08:46:41,589 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:46:41,589 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:46:41,589 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~4#1; [2024-11-17 08:46:41,589 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L976-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2024-11-17 08:46:41,589 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L547-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:41,614 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:41,614 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:41,633 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:41,634 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:41,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:41 BoogieIcfgContainer [2024-11-17 08:46:41,634 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:41,636 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:41,636 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:41,639 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:41,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:41,640 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:40" (1/3) ... [2024-11-17 08:46:41,641 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b86414b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:41, skipping insertion in model container [2024-11-17 08:46:41,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:41,641 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:40" (2/3) ... [2024-11-17 08:46:41,642 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b86414b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:41, skipping insertion in model container [2024-11-17 08:46:41,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:41,642 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:41" (3/3) ... [2024-11-17 08:46:41,643 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2024-11-17 08:46:41,698 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:41,698 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:41,698 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:41,698 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:41,698 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:41,699 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:41,699 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:41,699 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:41,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 171 states, 170 states have (on average 1.3764705882352941) internal successors, (234), 170 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:41,731 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2024-11-17 08:46:41,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:41,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:41,738 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:41,738 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:41,738 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:41,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 171 states, 170 states have (on average 1.3764705882352941) internal successors, (234), 170 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:41,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 109 [2024-11-17 08:46:41,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:41,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:41,747 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:41,747 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:41,752 INFO L745 eck$LassoCheckResult]: Stem: 161#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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 38#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 81#L967true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 8#L960true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 152#L975true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 136#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 153#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 82#L273true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 157#L316true [2024-11-17 08:46:41,752 INFO L747 eck$LassoCheckResult]: Loop: 157#L316true assume true; 108#L316-1true assume !false; 76#test_while_1_continue#1true assume true; 164#L318true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 40#L326true assume !(0 != test_~tmp~2#1); 46#L334true havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 104#L336true assume !(0 != test_~tmp___0~1#1); 43#L344true havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 64#L346true assume 0 != test_~tmp___2~0#1; 123#L359true assume { :begin_inline_timeShift } true; 150#L380-2true assume !(0 != ~pumpRunning~0); 135#L387-2true assume !(0 != ~systemActive~0); 16#L395-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 145#L205-2true assume true;__utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 31#L284-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 156#L302-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 24#L397-2true assume true;assume { :end_inline_timeShift } true; 157#L316true [2024-11-17 08:46:41,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:41,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1513536666, now seen corresponding path program 1 times [2024-11-17 08:46:41,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:41,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592805949] [2024-11-17 08:46:41,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:41,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:41,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:41,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:41,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1855882419, now seen corresponding path program 1 times [2024-11-17 08:46:41,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:41,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655705858] [2024-11-17 08:46:41,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:41,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:41,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:41,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:41,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:41,918 INFO L85 PathProgramCache]: Analyzing trace with hash -953523244, now seen corresponding path program 1 times [2024-11-17 08:46:41,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:41,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405438674] [2024-11-17 08:46:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:41,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:42,121 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 08:46:42,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:42,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405438674] [2024-11-17 08:46:42,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405438674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:42,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:42,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:46:42,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414316023] [2024-11-17 08:46:42,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:42,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:42,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:46:42,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:46:42,278 INFO L87 Difference]: Start difference. First operand has 171 states, 170 states have (on average 1.3764705882352941) internal successors, (234), 170 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:42,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:42,382 INFO L93 Difference]: Finished difference Result 165 states and 217 transitions. [2024-11-17 08:46:42,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 217 transitions. [2024-11-17 08:46:42,390 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-17 08:46:42,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 154 states and 206 transitions. [2024-11-17 08:46:42,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2024-11-17 08:46:42,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2024-11-17 08:46:42,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 206 transitions. [2024-11-17 08:46:42,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:42,400 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 206 transitions. [2024-11-17 08:46:42,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 206 transitions. [2024-11-17 08:46:42,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-17 08:46:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.3376623376623376) internal successors, (206), 153 states have internal predecessors, (206), 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 08:46:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 206 transitions. [2024-11-17 08:46:42,442 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 206 transitions. [2024-11-17 08:46:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:46:42,449 INFO L425 stractBuchiCegarLoop]: Abstraction has 154 states and 206 transitions. [2024-11-17 08:46:42,449 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:42,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 206 transitions. [2024-11-17 08:46:42,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-17 08:46:42,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:42,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:42,455 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:42,455 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] [2024-11-17 08:46:42,456 INFO L745 eck$LassoCheckResult]: Stem: 507#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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 419#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 420#L967 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 366#L960 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 367#L975 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 501#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 502#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 470#L273 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 391#L316 [2024-11-17 08:46:42,456 INFO L747 eck$LassoCheckResult]: Loop: 391#L316 assume true; 486#L316-1 assume !false; 467#test_while_1_continue#1 assume true; 468#L318 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 423#L326 assume !(0 != test_~tmp~2#1); 424#L334 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 431#L336 assume !(0 != test_~tmp___0~1#1); 427#L344 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 428#L346 assume 0 != test_~tmp___2~0#1; 453#L359 assume { :begin_inline_timeShift } true; 495#L380-2 assume !(0 != ~pumpRunning~0); 499#L387-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 500#L438-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 503#L412-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 432#L404-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 408#L430-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 409#L456-2 assume true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 379#L395-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 380#L205-2 assume true;__utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 405#L284-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 382#L302-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 390#L397-2 assume true;assume { :end_inline_timeShift } true; 391#L316 [2024-11-17 08:46:42,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:42,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1513536666, now seen corresponding path program 2 times [2024-11-17 08:46:42,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:42,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336054394] [2024-11-17 08:46:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:42,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:42,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:42,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:42,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash -720598708, now seen corresponding path program 1 times [2024-11-17 08:46:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:42,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100717732] [2024-11-17 08:46:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:42,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:42,546 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 08:46:42,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:42,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100717732] [2024-11-17 08:46:42,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100717732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:42,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:42,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:42,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303250845] [2024-11-17 08:46:42,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:42,549 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:42,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:42,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:42,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:42,551 INFO L87 Difference]: Start difference. First operand 154 states and 206 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:42,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:42,645 INFO L93 Difference]: Finished difference Result 213 states and 275 transitions. [2024-11-17 08:46:42,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 275 transitions. [2024-11-17 08:46:42,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2024-11-17 08:46:42,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 213 states and 275 transitions. [2024-11-17 08:46:42,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 213 [2024-11-17 08:46:42,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 213 [2024-11-17 08:46:42,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 213 states and 275 transitions. [2024-11-17 08:46:42,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:42,656 INFO L218 hiAutomatonCegarLoop]: Abstraction has 213 states and 275 transitions. [2024-11-17 08:46:42,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states and 275 transitions. [2024-11-17 08:46:42,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-17 08:46:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 213 states have (on average 1.2910798122065728) internal successors, (275), 212 states have internal predecessors, (275), 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 08:46:42,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 275 transitions. [2024-11-17 08:46:42,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 213 states and 275 transitions. [2024-11-17 08:46:42,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:42,677 INFO L425 stractBuchiCegarLoop]: Abstraction has 213 states and 275 transitions. [2024-11-17 08:46:42,678 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:46:42,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 213 states and 275 transitions. [2024-11-17 08:46:42,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2024-11-17 08:46:42,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:42,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:42,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:42,682 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] [2024-11-17 08:46:42,683 INFO L745 eck$LassoCheckResult]: Stem: 891#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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 788#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 789#L967 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 737#L960 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 738#L975 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 883#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 884#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 847#L273 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 763#L316 [2024-11-17 08:46:42,683 INFO L747 eck$LassoCheckResult]: Loop: 763#L316 assume true; 866#L316-1 assume !false; 841#test_while_1_continue#1 assume true; 842#L318 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet12#1;test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 792#L326 assume !(0 != test_~tmp~2#1); 793#L334 havoc test_#t~nondet13#1;test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 803#L336 assume !(0 != test_~tmp___0~1#1); 798#L344 havoc test_#t~nondet14#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 799#L346 assume 0 != test_~tmp___2~0#1; 826#L359 assume { :begin_inline_timeShift } true; 876#L380-2 assume !(0 != ~pumpRunning~0); 881#L387-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 882#L438-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 885#L412-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 873#L245-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 874#L250-5 assume true;isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1; 879#L540-5 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0; 853#L545-5 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 854#L546-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1; 856#L416-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 857#L404-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 779#L430-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 780#L456-2 assume true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 751#L395-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 752#L205-2 assume true;__utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 777#L284-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 754#L302-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 762#L397-2 assume true;assume { :end_inline_timeShift } true; 763#L316 [2024-11-17 08:46:42,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:42,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1513536666, now seen corresponding path program 3 times [2024-11-17 08:46:42,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:42,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011853416] [2024-11-17 08:46:42,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:42,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:42,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:42,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:42,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:42,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1751589141, now seen corresponding path program 1 times [2024-11-17 08:46:42,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:42,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304813191] [2024-11-17 08:46:42,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:42,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:42,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:42,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:42,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:42,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1378577966, now seen corresponding path program 1 times [2024-11-17 08:46:42,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:42,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598953402] [2024-11-17 08:46:42,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:42,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:42,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:42,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:43,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:43 BoogieIcfgContainer [2024-11-17 08:46:43,806 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:43,807 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:43,807 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:43,808 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:43,808 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:41" (3/4) ... [2024-11-17 08:46:43,810 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:43,875 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:43,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:43,878 INFO L158 Benchmark]: Toolchain (without parser) took 3519.17ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 121.1MB in the beginning and 99.4MB in the end (delta: 21.6MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-11-17 08:46:43,878 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:43,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.14ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 99.4MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:46:43,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.75ms. Allocated memory is still 155.2MB. Free memory was 99.4MB in the beginning and 96.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:43,879 INFO L158 Benchmark]: Boogie Preprocessor took 49.68ms. Allocated memory is still 155.2MB. Free memory was 96.6MB in the beginning and 93.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:43,879 INFO L158 Benchmark]: IcfgBuilder took 656.18ms. Allocated memory is still 155.2MB. Free memory was 93.1MB in the beginning and 96.7MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-17 08:46:43,879 INFO L158 Benchmark]: BuchiAutomizer took 2171.04ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 96.7MB in the beginning and 102.6MB in the end (delta: -5.9MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-17 08:46:43,880 INFO L158 Benchmark]: Witness Printer took 70.17ms. Allocated memory is still 205.5MB. Free memory was 102.6MB in the beginning and 99.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:43,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.14ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 99.4MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.75ms. Allocated memory is still 155.2MB. Free memory was 99.4MB in the beginning and 96.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.68ms. Allocated memory is still 155.2MB. Free memory was 96.6MB in the beginning and 93.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 656.18ms. Allocated memory is still 155.2MB. Free memory was 93.1MB in the beginning and 96.7MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2171.04ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 96.7MB in the beginning and 102.6MB in the end (delta: -5.9MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Witness Printer took 70.17ms. Allocated memory is still 205.5MB. Free memory was 102.6MB in the beginning and 99.4MB 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [155] - GenericResultAtLocation [Line: 264]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [264] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [305] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [370] - GenericResultAtLocation [Line: 569]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [569] - GenericResultAtLocation [Line: 935]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [935] - GenericResultAtLocation [Line: 944]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [944] * 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 213 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 354 mSDsluCounter, 954 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 433 mSDtfsCounter, 48 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: 316]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L162] int waterLevel = 1; [L163] int methaneLevelCritical = 0; [L267] int methAndRunningLastTime ; [L373] int pumpRunning = 0; [L374] int systemActive = 1; [L739] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L971] int retValue_acc ; [L974] retValue_acc = 1 [L975] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L272] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L307] int splverifierCounter ; [L308] int tmp ; [L309] int tmp___0 ; [L310] int tmp___1 ; [L311] int tmp___2 ; [L314] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L316] COND TRUE 1 [L318] COND TRUE splverifierCounter < 4 [L324] tmp = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp)) [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L344] tmp___2 = __VERIFIER_nondet_int() [L346] COND TRUE \read(tmp___2) [L359] CALL timeShift() [L380] COND FALSE !(\read(pumpRunning)) [L387] COND TRUE \read(systemActive) [L389] CALL processEnvironment() [L435] int tmp ; [L438] COND FALSE !(\read(pumpRunning)) [L453] CALL processEnvironment__wrappee__highWaterSensor() [L409] int tmp ; [L412] COND TRUE ! pumpRunning [L414] CALL, EXPR isHighWaterLevel() [L532] int retValue_acc ; [L533] int tmp ; [L534] int tmp___0 ; [L538] CALL, EXPR isHighWaterSensorDry() [L242] int retValue_acc ; [L245] COND TRUE waterLevel < 2 [L246] retValue_acc = 1 [L247] return (retValue_acc); [L538] RET, EXPR isHighWaterSensorDry() [L538] tmp = isHighWaterSensorDry() [L540] COND TRUE \read(tmp) [L541] tmp___0 = 0 [L545] retValue_acc = tmp___0 [L546] return (retValue_acc); [L414] RET, EXPR isHighWaterLevel() [L414] tmp = isHighWaterLevel() [L416] COND FALSE !(\read(tmp)) [L422] FCALL processEnvironment__wrappee__base() [L453] RET processEnvironment__wrappee__highWaterSensor() [L389] RET processEnvironment() [L395] CALL __utac_acc__Specification2_spec__2() [L277] int tmp ; [L278] int tmp___0 ; [L282] CALL, EXPR isMethaneLevelCritical() [L201] int retValue_acc ; [L204] retValue_acc = methaneLevelCritical [L205] return (retValue_acc); [L282] RET, EXPR isMethaneLevelCritical() [L282] tmp = isMethaneLevelCritical() [L284] COND FALSE !(\read(tmp)) [L300] methAndRunningLastTime = 0 [L395] RET __utac_acc__Specification2_spec__2() [L359] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 316]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L162] int waterLevel = 1; [L163] int methaneLevelCritical = 0; [L267] int methAndRunningLastTime ; [L373] int pumpRunning = 0; [L374] int systemActive = 1; [L739] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L971] int retValue_acc ; [L974] retValue_acc = 1 [L975] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L272] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L307] int splverifierCounter ; [L308] int tmp ; [L309] int tmp___0 ; [L310] int tmp___1 ; [L311] int tmp___2 ; [L314] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L316] COND TRUE 1 [L318] COND TRUE splverifierCounter < 4 [L324] tmp = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp)) [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L344] tmp___2 = __VERIFIER_nondet_int() [L346] COND TRUE \read(tmp___2) [L359] CALL timeShift() [L380] COND FALSE !(\read(pumpRunning)) [L387] COND TRUE \read(systemActive) [L389] CALL processEnvironment() [L435] int tmp ; [L438] COND FALSE !(\read(pumpRunning)) [L453] CALL processEnvironment__wrappee__highWaterSensor() [L409] int tmp ; [L412] COND TRUE ! pumpRunning [L414] CALL, EXPR isHighWaterLevel() [L532] int retValue_acc ; [L533] int tmp ; [L534] int tmp___0 ; [L538] CALL, EXPR isHighWaterSensorDry() [L242] int retValue_acc ; [L245] COND TRUE waterLevel < 2 [L246] retValue_acc = 1 [L247] return (retValue_acc); [L538] RET, EXPR isHighWaterSensorDry() [L538] tmp = isHighWaterSensorDry() [L540] COND TRUE \read(tmp) [L541] tmp___0 = 0 [L545] retValue_acc = tmp___0 [L546] return (retValue_acc); [L414] RET, EXPR isHighWaterLevel() [L414] tmp = isHighWaterLevel() [L416] COND FALSE !(\read(tmp)) [L422] FCALL processEnvironment__wrappee__base() [L453] RET processEnvironment__wrappee__highWaterSensor() [L389] RET processEnvironment() [L395] CALL __utac_acc__Specification2_spec__2() [L277] int tmp ; [L278] int tmp___0 ; [L282] CALL, EXPR isMethaneLevelCritical() [L201] int retValue_acc ; [L204] retValue_acc = methaneLevelCritical [L205] return (retValue_acc); [L282] RET, EXPR isMethaneLevelCritical() [L282] tmp = isMethaneLevelCritical() [L284] COND FALSE !(\read(tmp)) [L300] methAndRunningLastTime = 0 [L395] RET __utac_acc__Specification2_spec__2() [L359] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:43,915 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)