./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f 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_spec3_product57.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 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:00,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:00,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:00,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:00,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:00,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:00,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:00,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:00,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:00,355 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:00,355 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:00,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:00,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:00,356 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:00,356 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:00,357 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:00,357 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:00,357 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:00,357 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:00,358 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:00,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:00,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:00,359 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:00,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:00,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:00,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:00,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:00,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:00,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:00,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:00,360 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:00,361 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:00,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:00,361 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:00,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:00,361 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:00,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:00,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:00,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:00,363 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:00,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2024-11-10 23:15:00,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:00,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:00,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:00,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:00,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:00,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2024-11-10 23:15:02,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:02,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:02,286 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2024-11-10 23:15:02,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b480891/d2bd272b83c04a9dbd014f65428bd1b5/FLAGa2ba0f77f [2024-11-10 23:15:02,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64b480891/d2bd272b83c04a9dbd014f65428bd1b5 [2024-11-10 23:15:02,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:02,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:02,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:02,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:02,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:02,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:02" (1/1) ... [2024-11-10 23:15:02,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268f7057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:02, skipping insertion in model container [2024-11-10 23:15:02,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:02" (1/1) ... [2024-11-10 23:15:02,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:02,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:02,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:02,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-10 23:15:02,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-10 23:15:02,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [526] [2024-11-10 23:15:02,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [564] [2024-11-10 23:15:02,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2024-11-10 23:15:02,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] [2024-11-10 23:15:02,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [828] [2024-11-10 23:15:02,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [894] [2024-11-10 23:15:02,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:03,015 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:03,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03 WrapperNode [2024-11-10 23:15:03,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:03,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:03,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:03,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:03,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,080 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 101, statements flattened = 706 [2024-11-10 23:15:03,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:03,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:03,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:03,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:03,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,141 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]. [2024-11-10 23:15:03,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:03,172 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:03,172 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:03,172 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:03,176 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (1/1) ... [2024-11-10 23:15:03,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:03,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:03,239 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) [2024-11-10 23:15:03,242 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 [2024-11-10 23:15:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:03,356 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:03,358 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:03,826 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:03,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:03,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:03,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:03,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:03,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L514-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-10 23:15:03,827 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L500-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:03,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L500-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:03,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L500-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; [2024-11-10 23:15:03,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,828 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,829 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L468-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-10 23:15:03,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:15:03,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:15:03,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L751-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; [2024-11-10 23:15:03,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:15:03,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:15:03,830 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L523-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~6#1; [2024-11-10 23:15:03,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L987-1: main_#res#1 := main_~retValue_acc~13#1; [2024-11-10 23:15:03,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L806-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:15:03,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L806-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:15:03,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L806-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:15:03,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L806-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:15:03,831 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L806-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:15:03,832 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L806-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; [2024-11-10 23:15:03,832 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:15:03,832 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:15:03,832 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:15:03,832 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:15:03,832 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:15:03,832 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~9#1; [2024-11-10 23:15:03,833 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L825-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:03,833 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L825-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:03,833 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L825-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~12#1; [2024-11-10 23:15:03,833 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-10 23:15:03,868 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:03,868 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:03,884 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:03,885 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:03,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:03 BoogieIcfgContainer [2024-11-10 23:15:03,885 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:03,886 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:03,886 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:03,889 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:03,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:03,890 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:02" (1/3) ... [2024-11-10 23:15:03,891 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e64ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:03, skipping insertion in model container [2024-11-10 23:15:03,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:03,891 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:03" (2/3) ... [2024-11-10 23:15:03,891 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e64ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:03, skipping insertion in model container [2024-11-10 23:15:03,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:03,891 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:03" (3/3) ... [2024-11-10 23:15:03,892 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2024-11-10 23:15:03,941 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:03,941 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:03,941 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:03,941 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:03,942 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:03,942 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:03,942 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:03,942 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:03,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.3608247422680413) internal successors, (264), 194 states have internal predecessors, (264), 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) [2024-11-10 23:15:03,966 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2024-11-10 23:15:03,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:03,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:03,972 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:03,972 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:03,972 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:03,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.3608247422680413) internal successors, (264), 194 states have internal predecessors, (264), 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) [2024-11-10 23:15:03,979 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2024-11-10 23:15:03,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:03,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:03,980 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:03,980 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:03,984 INFO L745 eck$LassoCheckResult]: Stem: 188#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 23#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#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; 134#L552true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16#L545true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 17#L560true assume true;main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 174#L977true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 191#L954true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 74#L840true [2024-11-10 23:15:03,984 INFO L747 eck$LassoCheckResult]: Loop: 74#L840true assume true; 127#L840-1true assume !false;assume true; 43#L842true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 88#L850true assume !(0 != test_~tmp~9#1); 156#L858true havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 77#L860true assume !(0 != test_~tmp___0~3#1); 25#L868true havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 55#L870true assume 0 != test_~tmp___2~0#1; 131#L883true assume { :begin_inline_timeShift } true; 123#L621-2true assume !(0 != ~pumpRunning~0); 100#L628-2true assume !(0 != ~systemActive~0); 177#L636-2true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#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; 54#L467-6true assume true;__utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 36#L576-2true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 145#L597-2true assume true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 103#L638-2true assume true;assume { :end_inline_timeShift } true; 74#L840true [2024-11-10 23:15:03,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:03,988 INFO L85 PathProgramCache]: Analyzing trace with hash -86720736, now seen corresponding path program 1 times [2024-11-10 23:15:03,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:03,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384633725] [2024-11-10 23:15:03,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:04,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:04,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1524288844, now seen corresponding path program 1 times [2024-11-10 23:15:04,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:04,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319464356] [2024-11-10 23:15:04,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:04,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:04,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:04,113 INFO L85 PathProgramCache]: Analyzing trace with hash -114437165, now seen corresponding path program 1 times [2024-11-10 23:15:04,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:04,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575165133] [2024-11-10 23:15:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:04,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:04,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575165133] [2024-11-10 23:15:04,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575165133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:04,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:04,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:15:04,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584374527] [2024-11-10 23:15:04,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:04,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:04,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:15:04,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:15:04,345 INFO L87 Difference]: Start difference. First operand has 195 states, 194 states have (on average 1.3608247422680413) internal successors, (264), 194 states have internal predecessors, (264), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-11-10 23:15:04,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:04,436 INFO L93 Difference]: Finished difference Result 189 states and 247 transitions. [2024-11-10 23:15:04,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 189 states and 247 transitions. [2024-11-10 23:15:04,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2024-11-10 23:15:04,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 189 states to 178 states and 236 transitions. [2024-11-10 23:15:04,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 178 [2024-11-10 23:15:04,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 178 [2024-11-10 23:15:04,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 178 states and 236 transitions. [2024-11-10 23:15:04,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:04,458 INFO L218 hiAutomatonCegarLoop]: Abstraction has 178 states and 236 transitions. [2024-11-10 23:15:04,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states and 236 transitions. [2024-11-10 23:15:04,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-10 23:15:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.3258426966292134) internal successors, (236), 177 states have internal predecessors, (236), 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) [2024-11-10 23:15:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 236 transitions. [2024-11-10 23:15:04,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 236 transitions. [2024-11-10 23:15:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:15:04,501 INFO L425 stractBuchiCegarLoop]: Abstraction has 178 states and 236 transitions. [2024-11-10 23:15:04,501 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:04,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 236 transitions. [2024-11-10 23:15:04,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2024-11-10 23:15:04,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:04,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:04,504 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:04,504 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] [2024-11-10 23:15:04,504 INFO L745 eck$LassoCheckResult]: Stem: 578#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 478#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#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; 479#L552 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 454#L545 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 455#L560 assume true;main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 456#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 572#L954 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 422#L840 [2024-11-10 23:15:04,508 INFO L747 eck$LassoCheckResult]: Loop: 422#L840 assume true; 485#L840-1 assume !false;assume true; 486#L842 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 526#L850 assume !(0 != test_~tmp~9#1); 480#L858 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 546#L860 assume !(0 != test_~tmp___0~3#1); 418#L868 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 481#L870 assume 0 != test_~tmp___2~0#1; 495#L883 assume { :begin_inline_timeShift } true; 471#L621-2 assume !(0 != ~pumpRunning~0); 416#L628-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 417#L679-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 504#L653-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 405#L645-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 406#L671-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 407#L697-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 408#L636-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#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; 550#L467-6 assume true;__utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 508#L576-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 484#L597-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 421#L638-2 assume true;assume { :end_inline_timeShift } true; 422#L840 [2024-11-10 23:15:04,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:04,509 INFO L85 PathProgramCache]: Analyzing trace with hash -86720736, now seen corresponding path program 2 times [2024-11-10 23:15:04,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:04,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701545332] [2024-11-10 23:15:04,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:04,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:04,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:04,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2094983478, now seen corresponding path program 1 times [2024-11-10 23:15:04,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:04,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429029972] [2024-11-10 23:15:04,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:04,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:04,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:04,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429029972] [2024-11-10 23:15:04,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429029972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:04,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:04,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:04,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641053454] [2024-11-10 23:15:04,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:04,582 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:04,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:04,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:04,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:04,583 INFO L87 Difference]: Start difference. First operand 178 states and 236 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:04,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:04,662 INFO L93 Difference]: Finished difference Result 244 states and 312 transitions. [2024-11-10 23:15:04,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 312 transitions. [2024-11-10 23:15:04,665 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-11-10 23:15:04,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 244 states and 312 transitions. [2024-11-10 23:15:04,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 244 [2024-11-10 23:15:04,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 244 [2024-11-10 23:15:04,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 244 states and 312 transitions. [2024-11-10 23:15:04,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:04,674 INFO L218 hiAutomatonCegarLoop]: Abstraction has 244 states and 312 transitions. [2024-11-10 23:15:04,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states and 312 transitions. [2024-11-10 23:15:04,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-10 23:15:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 244 states have (on average 1.278688524590164) internal successors, (312), 243 states have internal predecessors, (312), 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) [2024-11-10 23:15:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 312 transitions. [2024-11-10 23:15:04,686 INFO L240 hiAutomatonCegarLoop]: Abstraction has 244 states and 312 transitions. [2024-11-10 23:15:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:04,687 INFO L425 stractBuchiCegarLoop]: Abstraction has 244 states and 312 transitions. [2024-11-10 23:15:04,687 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:15:04,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 244 states and 312 transitions. [2024-11-10 23:15:04,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2024-11-10 23:15:04,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:04,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:04,689 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:04,690 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] [2024-11-10 23:15:04,690 INFO L745 eck$LassoCheckResult]: Stem: 1013#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 902#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#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; 903#L552 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 876#L545 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 877#L560 assume true;main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 878#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1003#L954 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 848#L840 [2024-11-10 23:15:04,690 INFO L747 eck$LassoCheckResult]: Loop: 848#L840 assume true; 910#L840-1 assume !false;assume true; 911#L842 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 951#L850 assume !(0 != test_~tmp~9#1); 904#L858 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 976#L860 assume !(0 != test_~tmp___0~3#1); 844#L868 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 906#L870 assume 0 != test_~tmp___2~0#1; 920#L883 assume { :begin_inline_timeShift } true; 896#L621-2 assume !(0 != ~pumpRunning~0); 897#L628-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 930#L679-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 931#L653-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#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; 972#L507-5 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 973#L512-5 assume true;isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 956#L799-5 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 957#L804-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 912#L805-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#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~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 913#L657-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 971#L645-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 939#L671-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 833#L697-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 834#L636-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#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; 980#L467-6 assume true;__utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 935#L576-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 909#L597-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 847#L638-2 assume true;assume { :end_inline_timeShift } true; 848#L840 [2024-11-10 23:15:04,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:04,691 INFO L85 PathProgramCache]: Analyzing trace with hash -86720736, now seen corresponding path program 3 times [2024-11-10 23:15:04,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:04,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477392138] [2024-11-10 23:15:04,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:04,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:04,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:04,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1191048291, now seen corresponding path program 1 times [2024-11-10 23:15:04,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:04,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74008403] [2024-11-10 23:15:04,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:04,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:04,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:04,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74008403] [2024-11-10 23:15:04,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74008403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:04,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:04,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:15:04,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382925789] [2024-11-10 23:15:04,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:04,785 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:04,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:04,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 23:15:04,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 23:15:04,786 INFO L87 Difference]: Start difference. First operand 244 states and 312 transitions. cyclomatic complexity: 70 Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:04,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:04,850 INFO L93 Difference]: Finished difference Result 256 states and 324 transitions. [2024-11-10 23:15:04,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 256 states and 324 transitions. [2024-11-10 23:15:04,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2024-11-10 23:15:04,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 256 states to 256 states and 324 transitions. [2024-11-10 23:15:04,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 256 [2024-11-10 23:15:04,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 256 [2024-11-10 23:15:04,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 256 states and 324 transitions. [2024-11-10 23:15:04,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:04,854 INFO L218 hiAutomatonCegarLoop]: Abstraction has 256 states and 324 transitions. [2024-11-10 23:15:04,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states and 324 transitions. [2024-11-10 23:15:04,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-11-10 23:15:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 256 states have (on average 1.265625) internal successors, (324), 255 states have internal predecessors, (324), 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) [2024-11-10 23:15:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 324 transitions. [2024-11-10 23:15:04,860 INFO L240 hiAutomatonCegarLoop]: Abstraction has 256 states and 324 transitions. [2024-11-10 23:15:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 23:15:04,861 INFO L425 stractBuchiCegarLoop]: Abstraction has 256 states and 324 transitions. [2024-11-10 23:15:04,861 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:15:04,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 256 states and 324 transitions. [2024-11-10 23:15:04,862 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2024-11-10 23:15:04,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:04,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:04,863 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:04,863 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] [2024-11-10 23:15:04,863 INFO L745 eck$LassoCheckResult]: Stem: 1537#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1413#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#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; 1414#L552 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1385#L545 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1386#L560 assume true;main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 1387#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1523#L954 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1356#L840 [2024-11-10 23:15:04,863 INFO L747 eck$LassoCheckResult]: Loop: 1356#L840 assume true; 1422#L840-1 assume !false;assume true; 1423#L842 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1464#L850 assume !(0 != test_~tmp~9#1); 1415#L858 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1491#L860 assume !(0 != test_~tmp___0~3#1); 1352#L868 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1418#L870 assume 0 != test_~tmp___2~0#1; 1435#L883 assume { :begin_inline_timeShift } true; 1408#L621-2 assume !(0 != ~pumpRunning~0); 1348#L628-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1349#L679-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1445#L653-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#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; 1487#L507-5 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 1488#L512-5 assume true;isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 1469#L799-5 assume !(0 != isHighWaterLevel_~tmp~7#1);isHighWaterLevel_~tmp___0~1#1 := 1; 1470#L804-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 1424#L805-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#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~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 1425#L657-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1486#L645-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1534#L671-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1343#L697-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1587#L636-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#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; 1586#L467-6 assume true;__utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 1581#L576-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 1480#L597-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1355#L638-2 assume true;assume { :end_inline_timeShift } true; 1356#L840 [2024-11-10 23:15:04,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:04,864 INFO L85 PathProgramCache]: Analyzing trace with hash -86720736, now seen corresponding path program 4 times [2024-11-10 23:15:04,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:04,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919677575] [2024-11-10 23:15:04,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:04,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:04,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:04,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:04,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1061965572, now seen corresponding path program 1 times [2024-11-10 23:15:04,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:04,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343418760] [2024-11-10 23:15:04,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:04,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:04,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:04,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343418760] [2024-11-10 23:15:04,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343418760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:04,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:04,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:15:04,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225988491] [2024-11-10 23:15:04,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:04,985 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:04,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:04,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:15:04,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:15:04,985 INFO L87 Difference]: Start difference. First operand 256 states and 324 transitions. cyclomatic complexity: 70 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:05,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:05,089 INFO L93 Difference]: Finished difference Result 274 states and 342 transitions. [2024-11-10 23:15:05,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 342 transitions. [2024-11-10 23:15:05,091 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-11-10 23:15:05,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 274 states and 342 transitions. [2024-11-10 23:15:05,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 274 [2024-11-10 23:15:05,092 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 274 [2024-11-10 23:15:05,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 274 states and 342 transitions. [2024-11-10 23:15:05,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:05,093 INFO L218 hiAutomatonCegarLoop]: Abstraction has 274 states and 342 transitions. [2024-11-10 23:15:05,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states and 342 transitions. [2024-11-10 23:15:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-11-10 23:15:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 274 states have (on average 1.2481751824817517) internal successors, (342), 273 states have internal predecessors, (342), 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) [2024-11-10 23:15:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2024-11-10 23:15:05,099 INFO L240 hiAutomatonCegarLoop]: Abstraction has 274 states and 342 transitions. [2024-11-10 23:15:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:15:05,099 INFO L425 stractBuchiCegarLoop]: Abstraction has 274 states and 342 transitions. [2024-11-10 23:15:05,100 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 23:15:05,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 274 states and 342 transitions. [2024-11-10 23:15:05,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2024-11-10 23:15:05,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:05,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:05,101 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:05,101 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] [2024-11-10 23:15:05,102 INFO L745 eck$LassoCheckResult]: Stem: 2077#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1951#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#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; 1952#L552 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1923#L545 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1924#L560 assume true;main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 1925#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 2061#L954 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2081#L840 [2024-11-10 23:15:05,102 INFO L747 eck$LassoCheckResult]: Loop: 2081#L840 assume true; 2106#L840-1 assume !false;assume true; 2104#L842 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 2105#L850 assume !(0 != test_~tmp~9#1); 2144#L858 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 2142#L860 assume !(0 != test_~tmp___0~3#1); 2140#L868 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 2139#L870 assume 0 != test_~tmp___2~0#1; 2137#L883 assume { :begin_inline_timeShift } true; 1946#L621-2 assume !(0 != ~pumpRunning~0); 1886#L628-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1887#L679-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 1983#L653-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#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; 2025#L507-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 2026#L512-5 assume true;isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 2027#L799-5 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2099#L804-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 2097#L805-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#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~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 2095#L657-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2072#L645-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2073#L671-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1881#L697-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 2116#L636-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#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; 2115#L467-6 assume true;__utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 2109#L576-2 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 2108#L597-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2107#L638-2 assume true;assume { :end_inline_timeShift } true; 2081#L840 [2024-11-10 23:15:05,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash -86720736, now seen corresponding path program 5 times [2024-11-10 23:15:05,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:05,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192383522] [2024-11-10 23:15:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:05,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:05,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash -179931041, now seen corresponding path program 1 times [2024-11-10 23:15:05,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:05,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096376041] [2024-11-10 23:15:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:05,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:05,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:05,123 INFO L85 PathProgramCache]: Analyzing trace with hash -205373984, now seen corresponding path program 1 times [2024-11-10 23:15:05,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:05,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351123903] [2024-11-10 23:15:05,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:05,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:05,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:15:05,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:05,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351123903] [2024-11-10 23:15:05,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351123903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:05,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:05,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:15:05,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802599620] [2024-11-10 23:15:05,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:05,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:05,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:15:05,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:15:05,272 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. cyclomatic complexity: 70 Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-10 23:15:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:05,349 INFO L93 Difference]: Finished difference Result 541 states and 669 transitions. [2024-11-10 23:15:05,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 541 states and 669 transitions. [2024-11-10 23:15:05,352 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 376 [2024-11-10 23:15:05,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 541 states to 541 states and 669 transitions. [2024-11-10 23:15:05,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 541 [2024-11-10 23:15:05,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2024-11-10 23:15:05,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 541 states and 669 transitions. [2024-11-10 23:15:05,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:05,355 INFO L218 hiAutomatonCegarLoop]: Abstraction has 541 states and 669 transitions. [2024-11-10 23:15:05,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states and 669 transitions. [2024-11-10 23:15:05,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2024-11-10 23:15:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 541 states have (on average 1.2365988909426988) internal successors, (669), 540 states have internal predecessors, (669), 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) [2024-11-10 23:15:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 669 transitions. [2024-11-10 23:15:05,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 541 states and 669 transitions. [2024-11-10 23:15:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:15:05,371 INFO L425 stractBuchiCegarLoop]: Abstraction has 541 states and 669 transitions. [2024-11-10 23:15:05,371 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-10 23:15:05,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 669 transitions. [2024-11-10 23:15:05,373 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 376 [2024-11-10 23:15:05,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:05,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:05,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:05,375 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] [2024-11-10 23:15:05,376 INFO L745 eck$LassoCheckResult]: Stem: 2917#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 2779#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#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; 2780#L552 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2752#L545 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 2753#L560 assume true;main_#t~ret54#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 2754#L977 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 2894#L954 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~3#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2723#L840 [2024-11-10 23:15:05,376 INFO L747 eck$LassoCheckResult]: Loop: 2723#L840 assume true; 2789#L840-1 assume !false;assume true; 2790#L842 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet50#1;test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 2832#L850 assume !(0 != test_~tmp~9#1); 2781#L858 havoc test_#t~nondet51#1;test_~tmp___0~3#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 2859#L860 assume !(0 != test_~tmp___0~3#1); 2719#L868 havoc test_#t~nondet52#1;test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 2866#L870 assume 0 != test_~tmp___2~0#1; 2801#L883 assume { :begin_inline_timeShift } true; 2774#L621-2 assume !(0 != ~pumpRunning~0); 2714#L628-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2715#L679-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 2811#L653-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#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; 2855#L507-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 2872#L512-5 assume true;isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 2955#L799-5 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2954#L804-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 2950#L805-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#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~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 2947#L657-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2913#L645-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2819#L671-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2707#L697-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 2708#L636-2 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#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; 2864#L467-6 assume true;__utac_acc__Specification3_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret33#1;havoc __utac_acc__Specification3_spec__1_#t~ret33#1; 2815#L576-2 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 2816#L499-2 assume true;__utac_acc__Specification3_spec__1_#t~ret34#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 2786#L582-2 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 2788#L597-2 assume true;havoc __utac_acc__Specification3_spec__1_#t~ret33#1, __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2722#L638-2 assume true;assume { :end_inline_timeShift } true; 2723#L840 [2024-11-10 23:15:05,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:05,376 INFO L85 PathProgramCache]: Analyzing trace with hash -86720736, now seen corresponding path program 6 times [2024-11-10 23:15:05,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:05,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943842665] [2024-11-10 23:15:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:05,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:05,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1115521443, now seen corresponding path program 1 times [2024-11-10 23:15:05,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:05,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834714024] [2024-11-10 23:15:05,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:05,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:05,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:05,405 INFO L85 PathProgramCache]: Analyzing trace with hash 203614110, now seen corresponding path program 1 times [2024-11-10 23:15:05,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:05,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985796178] [2024-11-10 23:15:05,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:05,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:05,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:06,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:06,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:06 BoogieIcfgContainer [2024-11-10 23:15:06,096 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:06,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:06,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:06,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:06,097 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:03" (3/4) ... [2024-11-10 23:15:06,098 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:06,167 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:06,167 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:06,168 INFO L158 Benchmark]: Toolchain (without parser) took 3537.45ms. Allocated memory is still 222.3MB. Free memory was 152.6MB in the beginning and 111.9MB in the end (delta: 40.7MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:06,168 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:06,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.16ms. Allocated memory is still 222.3MB. Free memory was 152.3MB in the beginning and 130.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:15:06,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.32ms. Allocated memory is still 222.3MB. Free memory was 130.9MB in the beginning and 127.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:06,171 INFO L158 Benchmark]: Boogie Preprocessor took 87.72ms. Allocated memory is still 222.3MB. Free memory was 127.2MB in the beginning and 192.0MB in the end (delta: -64.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:06,171 INFO L158 Benchmark]: IcfgBuilder took 713.73ms. Allocated memory is still 222.3MB. Free memory was 192.0MB in the beginning and 154.3MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-10 23:15:06,171 INFO L158 Benchmark]: BuchiAutomizer took 2209.93ms. Allocated memory is still 222.3MB. Free memory was 153.2MB in the beginning and 115.0MB in the end (delta: 38.2MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-10 23:15:06,171 INFO L158 Benchmark]: Witness Printer took 71.15ms. Allocated memory is still 222.3MB. Free memory was 115.0MB in the beginning and 111.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:06,172 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.16ms. Allocated memory is still 222.3MB. Free memory was 152.3MB in the beginning and 130.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.32ms. Allocated memory is still 222.3MB. Free memory was 130.9MB in the beginning and 127.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.72ms. Allocated memory is still 222.3MB. Free memory was 127.2MB in the beginning and 192.0MB in the end (delta: -64.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * IcfgBuilder took 713.73ms. Allocated memory is still 222.3MB. Free memory was 192.0MB in the beginning and 154.3MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2209.93ms. Allocated memory is still 222.3MB. Free memory was 153.2MB in the beginning and 115.0MB in the end (delta: 38.2MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 71.15ms. Allocated memory is still 222.3MB. Free memory was 115.0MB in the beginning and 111.9MB 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,"Environment.i","") [415] - GenericResultAtLocation [Line: 526]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [526] - GenericResultAtLocation [Line: 564]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [564] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] - GenericResultAtLocation [Line: 828]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [828] - GenericResultAtLocation [Line: 894]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [894] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (5 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.5 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 541 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 5 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, 843 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 843 mSDsluCounter, 3543 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2353 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 331 IncrementalHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 1190 mSDtfsCounter, 331 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc2 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: 840]: 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; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L895] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] int retValue_acc ; [L969] int tmp ; [L973] FCALL select_helpers() [L974] FCALL select_features() [L975] CALL, EXPR valid_product() [L556] int retValue_acc ; [L559] retValue_acc = 1 [L560] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] RET, EXPR valid_product() [L975] tmp = valid_product() [L977] COND TRUE \read(tmp) [L979] FCALL setup() [L980] CALL runTest() [L962] CALL test() [L831] int splverifierCounter ; [L832] int tmp ; [L833] int tmp___0 ; [L834] int tmp___1 ; [L835] int tmp___2 ; [L838] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L840] COND TRUE 1 [L842] COND TRUE splverifierCounter < 4 [L848] tmp = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp)) [L858] tmp___0 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___0)) [L868] tmp___2 = __VERIFIER_nondet_int() [L870] COND TRUE \read(tmp___2) [L883] CALL timeShift() [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L630] CALL processEnvironment() [L676] int tmp ; [L679] COND FALSE !(\read(pumpRunning)) [L694] CALL processEnvironment__wrappee__highWaterSensor() [L650] int tmp ; [L653] COND TRUE ! pumpRunning [L655] CALL, EXPR isHighWaterLevel() [L791] int retValue_acc ; [L792] int tmp ; [L793] int tmp___0 ; [L797] CALL, EXPR isHighWaterSensorDry() [L504] int retValue_acc ; [L507] COND TRUE waterLevel < 2 [L508] retValue_acc = 1 [L509] return (retValue_acc); [L797] RET, EXPR isHighWaterSensorDry() [L797] tmp = isHighWaterSensorDry() [L799] COND TRUE \read(tmp) [L800] tmp___0 = 0 [L804] retValue_acc = tmp___0 [L805] return (retValue_acc); [L655] RET, EXPR isHighWaterLevel() [L655] tmp = isHighWaterLevel() [L657] COND FALSE !(\read(tmp)) [L663] FCALL processEnvironment__wrappee__base() [L694] RET processEnvironment__wrappee__highWaterSensor() [L630] RET processEnvironment() [L636] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L636] RET __utac_acc__Specification3_spec__1() [L883] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 840]: 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; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L895] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] int retValue_acc ; [L969] int tmp ; [L973] FCALL select_helpers() [L974] FCALL select_features() [L975] CALL, EXPR valid_product() [L556] int retValue_acc ; [L559] retValue_acc = 1 [L560] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] RET, EXPR valid_product() [L975] tmp = valid_product() [L977] COND TRUE \read(tmp) [L979] FCALL setup() [L980] CALL runTest() [L962] CALL test() [L831] int splverifierCounter ; [L832] int tmp ; [L833] int tmp___0 ; [L834] int tmp___1 ; [L835] int tmp___2 ; [L838] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L840] COND TRUE 1 [L842] COND TRUE splverifierCounter < 4 [L848] tmp = __VERIFIER_nondet_int() [L850] COND FALSE !(\read(tmp)) [L858] tmp___0 = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp___0)) [L868] tmp___2 = __VERIFIER_nondet_int() [L870] COND TRUE \read(tmp___2) [L883] CALL timeShift() [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L630] CALL processEnvironment() [L676] int tmp ; [L679] COND FALSE !(\read(pumpRunning)) [L694] CALL processEnvironment__wrappee__highWaterSensor() [L650] int tmp ; [L653] COND TRUE ! pumpRunning [L655] CALL, EXPR isHighWaterLevel() [L791] int retValue_acc ; [L792] int tmp ; [L793] int tmp___0 ; [L797] CALL, EXPR isHighWaterSensorDry() [L504] int retValue_acc ; [L507] COND TRUE waterLevel < 2 [L508] retValue_acc = 1 [L509] return (retValue_acc); [L797] RET, EXPR isHighWaterSensorDry() [L797] tmp = isHighWaterSensorDry() [L799] COND TRUE \read(tmp) [L800] tmp___0 = 0 [L804] retValue_acc = tmp___0 [L805] return (retValue_acc); [L655] RET, EXPR isHighWaterLevel() [L655] tmp = isHighWaterLevel() [L657] COND FALSE !(\read(tmp)) [L663] FCALL processEnvironment__wrappee__base() [L694] RET processEnvironment__wrappee__highWaterSensor() [L630] RET processEnvironment() [L636] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L636] RET __utac_acc__Specification3_spec__1() [L883] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:06,212 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)