./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product55.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 087203bb0b91dea113f8c68390dfc2d05a2771becdd7fa7a30895c447c478d7f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:45:58,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:45:59,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:45:59,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:45:59,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:45:59,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:45:59,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:45:59,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:45:59,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:45:59,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:45:59,067 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:45:59,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:45:59,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:45:59,069 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:45:59,070 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:45:59,070 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:45:59,070 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:45:59,070 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:45:59,071 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:45:59,071 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:45:59,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:45:59,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:45:59,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:45:59,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:45:59,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:45:59,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:45:59,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:45:59,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:45:59,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:45:59,075 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:45:59,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:45:59,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:45:59,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:45:59,076 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:45:59,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:45:59,076 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:45:59,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:45:59,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:45:59,077 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:45:59,078 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:45:59,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087203bb0b91dea113f8c68390dfc2d05a2771becdd7fa7a30895c447c478d7f [2024-11-17 08:45:59,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:45:59,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:45:59,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:45:59,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:45:59,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:45:59,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2024-11-17 08:46:00,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:01,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:01,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2024-11-17 08:46:01,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea9e530a/0063b8815c1e45159a4fde2294090991/FLAG6485fce84 [2024-11-17 08:46:01,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea9e530a/0063b8815c1e45159a4fde2294090991 [2024-11-17 08:46:01,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:01,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:01,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:01,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:01,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:01,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37434041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01, skipping insertion in model container [2024-11-17 08:46:01,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:01,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:01,336 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:01,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-17 08:46:01,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] [2024-11-17 08:46:01,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [159] [2024-11-17 08:46:01,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [407] [2024-11-17 08:46:01,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] [2024-11-17 08:46:01,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] [2024-11-17 08:46:01,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [616] [2024-11-17 08:46:01,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [642] [2024-11-17 08:46:01,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:01,407 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:01,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01 WrapperNode [2024-11-17 08:46:01,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:01,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:01,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:01,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:01,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,462 INFO L138 Inliner]: procedures = 57, calls = 105, calls flagged for inlining = 58, calls inlined = 142, statements flattened = 956 [2024-11-17 08:46:01,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:01,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:01,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:01,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:01,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,498 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:46:01,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,511 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:01,530 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:01,531 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:01,531 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:01,531 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (1/1) ... [2024-11-17 08:46:01,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:01,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:01,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:46:01,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:46:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:01,696 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:01,698 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:02,218 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,219 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,219 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,219 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,220 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,220 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,220 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,220 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,220 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,220 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,220 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,221 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L499-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:02,221 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,221 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,221 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,221 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,222 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,222 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,222 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,222 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,223 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,223 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,223 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,223 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L370-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:02,223 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:46:02,223 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:46:02,223 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:46:02,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:46:02,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:46:02,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:46:02,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:46:02,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:46:02,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L508-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-17 08:46:02,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L315-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:46:02,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L315-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:46:02,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L315-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:46:02,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-17 08:46:02,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L613-1: main_#res#1 := main_~retValue_acc~10#1; [2024-11-17 08:46:02,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:02,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:02,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:02,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:02,225 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:02,226 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L453-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:02,226 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2024-11-17 08:46:02,226 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2024-11-17 08:46:02,226 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2024-11-17 08:46:02,226 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2024-11-17 08:46:02,226 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2024-11-17 08:46:02,226 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L389-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~5#1; [2024-11-17 08:46:02,259 INFO L? ?]: Removed 235 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:02,260 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:02,278 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:02,280 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:02,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:02 BoogieIcfgContainer [2024-11-17 08:46:02,281 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:02,282 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:02,282 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:02,285 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:02,286 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:02,286 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:01" (1/3) ... [2024-11-17 08:46:02,287 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@393fecad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:02, skipping insertion in model container [2024-11-17 08:46:02,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:02,287 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:01" (2/3) ... [2024-11-17 08:46:02,287 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@393fecad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:02, skipping insertion in model container [2024-11-17 08:46:02,288 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:02,288 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:02" (3/3) ... [2024-11-17 08:46:02,289 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product55.cil.c [2024-11-17 08:46:02,336 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:02,336 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:02,336 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:02,336 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:02,336 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:02,337 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:02,337 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:02,337 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:02,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 279 states, 278 states have (on average 1.3633093525179856) internal successors, (379), 278 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:02,362 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 183 [2024-11-17 08:46:02,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:02,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:02,369 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:02,369 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:02,369 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:02,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 279 states, 278 states have (on average 1.3633093525179856) internal successors, (379), 278 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:02,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 183 [2024-11-17 08:46:02,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:02,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:02,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:02,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:02,382 INFO L745 eck$LassoCheckResult]: Stem: 266#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 26#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 192#L75true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 271#L68true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 21#L83true assume true;main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 263#L603true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 2#L580true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 264#L103true [2024-11-17 08:46:02,382 INFO L747 eck$LassoCheckResult]: Loop: 264#L103true assume true; 41#L103-1true assume !false; 10#test_while_0_continue#1true assume true; 150#L105true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 248#L113true assume !(0 != test_~tmp~0#1); 25#L121true havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 155#L123true assume !(0 != test_~tmp___0~0#1); 45#L131true havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 245#L133true assume 0 != test_~tmp___2~0#1; 29#L148true assume { :begin_inline_timeShift } true; 267#L177-2true assume !(0 != ~pumpRunning~0); 210#L184-2true assume !(0 != ~systemActive~0); 225#L192-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 85#L452-4true assume true;__utac_acc__Specification1_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret29#1;havoc __utac_acc__Specification1_spec__1_#t~ret29#1; 130#L625-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 158#L639-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 275#L194-2true assume true;assume { :end_inline_timeShift } true; 264#L103true [2024-11-17 08:46:02,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:02,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1888141872, now seen corresponding path program 1 times [2024-11-17 08:46:02,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:02,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253710273] [2024-11-17 08:46:02,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:02,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:02,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:02,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:02,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:02,513 INFO L85 PathProgramCache]: Analyzing trace with hash 512485500, now seen corresponding path program 1 times [2024-11-17 08:46:02,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:02,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074034790] [2024-11-17 08:46:02,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:02,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:02,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:02,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:02,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:02,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2089689741, now seen corresponding path program 1 times [2024-11-17 08:46:02,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:02,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193298113] [2024-11-17 08:46:02,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:02,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:02,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:02,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193298113] [2024-11-17 08:46:02,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193298113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:02,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:02,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:46:02,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36650959] [2024-11-17 08:46:02,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:02,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:02,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:02,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:02,857 INFO L87 Difference]: Start difference. First operand has 279 states, 278 states have (on average 1.3633093525179856) internal successors, (379), 278 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:02,919 INFO L93 Difference]: Finished difference Result 538 states and 720 transitions. [2024-11-17 08:46:02,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 538 states and 720 transitions. [2024-11-17 08:46:02,931 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 350 [2024-11-17 08:46:02,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 538 states to 516 states and 697 transitions. [2024-11-17 08:46:02,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 516 [2024-11-17 08:46:02,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 516 [2024-11-17 08:46:02,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 516 states and 697 transitions. [2024-11-17 08:46:02,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:02,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 516 states and 697 transitions. [2024-11-17 08:46:02,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states and 697 transitions. [2024-11-17 08:46:02,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 513. [2024-11-17 08:46:02,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 513 states have (on average 1.3508771929824561) internal successors, (693), 512 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 693 transitions. [2024-11-17 08:46:02,985 INFO L240 hiAutomatonCegarLoop]: Abstraction has 513 states and 693 transitions. [2024-11-17 08:46:02,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:02,990 INFO L425 stractBuchiCegarLoop]: Abstraction has 513 states and 693 transitions. [2024-11-17 08:46:02,991 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:02,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 513 states and 693 transitions. [2024-11-17 08:46:02,993 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 350 [2024-11-17 08:46:02,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:02,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:02,994 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:02,994 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] [2024-11-17 08:46:02,994 INFO L745 eck$LassoCheckResult]: Stem: 1108#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 874#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 875#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1078#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 864#L83 assume true;main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 865#L603 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 828#L580 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 829#L103 [2024-11-17 08:46:02,994 INFO L747 eck$LassoCheckResult]: Loop: 829#L103 assume true; 899#L103-1 assume !false; 841#test_while_0_continue#1 assume true; 842#L105 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1039#L113 assume !(0 != test_~tmp~0#1); 1338#L121 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1336#L123 assume !(0 != test_~tmp___0~0#1); 1334#L131 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1333#L133 assume 0 != test_~tmp___2~0#1; 1331#L148 assume { :begin_inline_timeShift } true; 1109#L177-2 assume !(0 != ~pumpRunning~0); 1030#L184-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 921#L261-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret12#1, isMethaneAlarm_~retValue_acc~2#1;havoc isMethaneAlarm_~retValue_acc~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 922#L452-5 assume true;isMethaneAlarm_#t~ret12#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~2#1 := isMethaneAlarm_#t~ret12#1;havoc isMethaneAlarm_#t~ret12#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; 1097#L305-2 assume true;processEnvironment_#t~ret11#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret12#1, isMethaneAlarm_~retValue_acc~2#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret11#1;havoc processEnvironment_#t~ret11#1; 1102#L265-2 assume 0 != processEnvironment_~tmp~3#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 963#L295-6 assume true;assume { :end_inline_deactivatePump } true; 888#L279-2 assume true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 889#L192-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 968#L452-4 assume true;__utac_acc__Specification1_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret29#1;havoc __utac_acc__Specification1_spec__1_#t~ret29#1; 969#L625-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 1013#L639-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1045#L194-2 assume true;assume { :end_inline_timeShift } true; 829#L103 [2024-11-17 08:46:02,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:02,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1888141872, now seen corresponding path program 2 times [2024-11-17 08:46:02,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:02,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768430081] [2024-11-17 08:46:02,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:02,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:03,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash 644567564, now seen corresponding path program 1 times [2024-11-17 08:46:03,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:03,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591535678] [2024-11-17 08:46:03,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:03,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:03,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:03,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591535678] [2024-11-17 08:46:03,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591535678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:03,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:03,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:03,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870334986] [2024-11-17 08:46:03,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:03,028 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:03,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:03,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:03,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:03,029 INFO L87 Difference]: Start difference. First operand 513 states and 693 transitions. cyclomatic complexity: 184 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2024-11-17 08:46:03,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:03,149 INFO L93 Difference]: Finished difference Result 536 states and 685 transitions. [2024-11-17 08:46:03,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 536 states and 685 transitions. [2024-11-17 08:46:03,152 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 377 [2024-11-17 08:46:03,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 536 states to 536 states and 685 transitions. [2024-11-17 08:46:03,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 536 [2024-11-17 08:46:03,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 536 [2024-11-17 08:46:03,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 536 states and 685 transitions. [2024-11-17 08:46:03,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:03,159 INFO L218 hiAutomatonCegarLoop]: Abstraction has 536 states and 685 transitions. [2024-11-17 08:46:03,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states and 685 transitions. [2024-11-17 08:46:03,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2024-11-17 08:46:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 536 states have (on average 1.2779850746268657) internal successors, (685), 535 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 685 transitions. [2024-11-17 08:46:03,180 INFO L240 hiAutomatonCegarLoop]: Abstraction has 536 states and 685 transitions. [2024-11-17 08:46:03,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:03,180 INFO L425 stractBuchiCegarLoop]: Abstraction has 536 states and 685 transitions. [2024-11-17 08:46:03,183 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:46:03,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 536 states and 685 transitions. [2024-11-17 08:46:03,185 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 377 [2024-11-17 08:46:03,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:03,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:03,186 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:03,186 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:03,186 INFO L745 eck$LassoCheckResult]: Stem: 2140#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1913#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1914#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2101#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1905#L83 assume true;main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 1906#L603 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1883#L580 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1884#L103 [2024-11-17 08:46:03,190 INFO L747 eck$LassoCheckResult]: Loop: 1884#L103 assume true; 1934#L103-1 assume !false; 1891#test_while_0_continue#1 assume true; 1892#L105 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 2057#L113 assume !(0 != test_~tmp~0#1); 2214#L121 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 2212#L123 assume !(0 != test_~tmp___0~0#1); 2209#L131 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 2127#L133 assume 0 != test_~tmp___2~0#1; 1918#L148 assume { :begin_inline_timeShift } true; 2141#L177-2 assume !(0 != ~pumpRunning~0); 2112#L184-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1955#L261-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret10#1, processEnvironment__wrappee__lowWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2#1; 1907#L235-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 1908#L209-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1968#L492-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 2081#L497-11 assume true;isHighWaterLevel_#t~ret21#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret21#1;havoc isHighWaterLevel_#t~ret21#1; 2039#L363-11 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2040#L368-11 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 2210#L369-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret9#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret9#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1; 2095#L213-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2097#L201-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2261#L227-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret9#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2202#L253-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret10#1, processEnvironment__wrappee__lowWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1923#L279-2 assume true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1924#L192-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1989#L452-4 assume true;__utac_acc__Specification1_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret29#1;havoc __utac_acc__Specification1_spec__1_#t~ret29#1; 1990#L625-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 2036#L639-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret29#1, __utac_acc__Specification1_spec__1_#t~ret30#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 2065#L194-2 assume true;assume { :end_inline_timeShift } true; 1884#L103 [2024-11-17 08:46:03,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:03,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1888141872, now seen corresponding path program 3 times [2024-11-17 08:46:03,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:03,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523842677] [2024-11-17 08:46:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:03,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:03,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:03,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1874336955, now seen corresponding path program 1 times [2024-11-17 08:46:03,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:03,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923041823] [2024-11-17 08:46:03,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:03,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:03,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:03,249 INFO L85 PathProgramCache]: Analyzing trace with hash -991015724, now seen corresponding path program 1 times [2024-11-17 08:46:03,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:03,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086005514] [2024-11-17 08:46:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:03,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:03,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:03 BoogieIcfgContainer [2024-11-17 08:46:03,953 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:03,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:03,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:03,955 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:03,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:02" (3/4) ... [2024-11-17 08:46:03,957 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:04,009 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:04,010 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:04,010 INFO L158 Benchmark]: Toolchain (without parser) took 2966.46ms. Allocated memory was 167.8MB in the beginning and 276.8MB in the end (delta: 109.1MB). Free memory was 94.4MB in the beginning and 203.1MB in the end (delta: -108.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-11-17 08:46:04,010 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 119.7MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:04,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.78ms. Allocated memory was 167.8MB in the beginning and 276.8MB in the end (delta: 109.1MB). Free memory was 94.2MB in the beginning and 241.5MB in the end (delta: -147.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:04,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.11ms. Allocated memory is still 276.8MB. Free memory was 241.5MB in the beginning and 237.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:04,011 INFO L158 Benchmark]: Boogie Preprocessor took 56.76ms. Allocated memory is still 276.8MB. Free memory was 237.4MB in the beginning and 233.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:04,014 INFO L158 Benchmark]: IcfgBuilder took 750.89ms. Allocated memory is still 276.8MB. Free memory was 233.2MB in the beginning and 182.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-17 08:46:04,014 INFO L158 Benchmark]: BuchiAutomizer took 1672.95ms. Allocated memory is still 276.8MB. Free memory was 182.8MB in the beginning and 206.3MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:04,015 INFO L158 Benchmark]: Witness Printer took 54.55ms. Allocated memory is still 276.8MB. Free memory was 206.3MB in the beginning and 203.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:04,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 119.7MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.78ms. Allocated memory was 167.8MB in the beginning and 276.8MB in the end (delta: 109.1MB). Free memory was 94.2MB in the beginning and 241.5MB in the end (delta: -147.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.11ms. Allocated memory is still 276.8MB. Free memory was 241.5MB in the beginning and 237.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.76ms. Allocated memory is still 276.8MB. Free memory was 237.4MB in the beginning and 233.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 750.89ms. Allocated memory is still 276.8MB. Free memory was 233.2MB in the beginning and 182.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1672.95ms. Allocated memory is still 276.8MB. Free memory was 182.8MB in the beginning and 206.3MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.55ms. Allocated memory is still 276.8MB. Free memory was 206.3MB in the beginning and 203.1MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87] - GenericResultAtLocation [Line: 159]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [159] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [407] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [511] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [616] - GenericResultAtLocation [Line: 642]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [642] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 536 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 527 mSDsluCounter, 1121 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 650 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 103]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L169] int pumpRunning = 0; [L170] int systemActive = 1; [L409] int waterLevel = 1; [L410] int methaneLevelCritical = 0; [L521] int cleanupTimeShifts = 4; [L812] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L594] int retValue_acc ; [L595] int tmp ; [L599] FCALL select_helpers() [L600] FCALL select_features() [L601] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L601] RET, EXPR valid_product() [L601] tmp = valid_product() [L603] COND TRUE \read(tmp) [L605] FCALL setup() [L606] CALL runTest() [L588] CALL test() [L94] int splverifierCounter ; [L95] int tmp ; [L96] int tmp___0 ; [L97] int tmp___1 ; [L98] int tmp___2 ; [L101] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L103] COND TRUE 1 [L105] COND TRUE splverifierCounter < 4 [L111] tmp = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp)) [L121] tmp___0 = __VERIFIER_nondet_int() [L123] COND FALSE !(\read(tmp___0)) [L131] tmp___2 = __VERIFIER_nondet_int() [L133] COND TRUE \read(tmp___2) [L148] CALL timeShift() [L177] COND FALSE !(\read(pumpRunning)) [L184] COND TRUE \read(systemActive) [L186] CALL processEnvironment() [L258] int tmp ; [L261] COND FALSE !(\read(pumpRunning)) [L276] CALL processEnvironment__wrappee__lowWaterSensor() [L232] int tmp ; [L235] COND FALSE !(\read(pumpRunning)) [L250] CALL processEnvironment__wrappee__highWaterSensor() [L206] int tmp ; [L209] COND TRUE ! pumpRunning [L211] CALL, EXPR isHighWaterLevel() [L355] int retValue_acc ; [L356] int tmp ; [L357] int tmp___0 ; [L361] CALL, EXPR isHighWaterSensorDry() [L489] int retValue_acc ; [L492] COND TRUE waterLevel < 2 [L493] retValue_acc = 1 [L494] return (retValue_acc); [L361] RET, EXPR isHighWaterSensorDry() [L361] tmp = isHighWaterSensorDry() [L363] COND TRUE \read(tmp) [L364] tmp___0 = 0 [L368] retValue_acc = tmp___0 [L369] return (retValue_acc); [L211] RET, EXPR isHighWaterLevel() [L211] tmp = isHighWaterLevel() [L213] COND FALSE !(\read(tmp)) [L219] FCALL processEnvironment__wrappee__base() [L250] RET processEnvironment__wrappee__highWaterSensor() [L276] RET processEnvironment__wrappee__lowWaterSensor() [L186] RET processEnvironment() [L192] CALL __utac_acc__Specification1_spec__1() [L618] int tmp ; [L619] int tmp___0 ; [L623] CALL, EXPR isMethaneLevelCritical() [L448] int retValue_acc ; [L451] retValue_acc = methaneLevelCritical [L452] return (retValue_acc); [L623] RET, EXPR isMethaneLevelCritical() [L623] tmp = isMethaneLevelCritical() [L625] COND FALSE !(\read(tmp)) [L192] RET __utac_acc__Specification1_spec__1() [L148] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 103]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L169] int pumpRunning = 0; [L170] int systemActive = 1; [L409] int waterLevel = 1; [L410] int methaneLevelCritical = 0; [L521] int cleanupTimeShifts = 4; [L812] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L594] int retValue_acc ; [L595] int tmp ; [L599] FCALL select_helpers() [L600] FCALL select_features() [L601] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L601] RET, EXPR valid_product() [L601] tmp = valid_product() [L603] COND TRUE \read(tmp) [L605] FCALL setup() [L606] CALL runTest() [L588] CALL test() [L94] int splverifierCounter ; [L95] int tmp ; [L96] int tmp___0 ; [L97] int tmp___1 ; [L98] int tmp___2 ; [L101] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L103] COND TRUE 1 [L105] COND TRUE splverifierCounter < 4 [L111] tmp = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp)) [L121] tmp___0 = __VERIFIER_nondet_int() [L123] COND FALSE !(\read(tmp___0)) [L131] tmp___2 = __VERIFIER_nondet_int() [L133] COND TRUE \read(tmp___2) [L148] CALL timeShift() [L177] COND FALSE !(\read(pumpRunning)) [L184] COND TRUE \read(systemActive) [L186] CALL processEnvironment() [L258] int tmp ; [L261] COND FALSE !(\read(pumpRunning)) [L276] CALL processEnvironment__wrappee__lowWaterSensor() [L232] int tmp ; [L235] COND FALSE !(\read(pumpRunning)) [L250] CALL processEnvironment__wrappee__highWaterSensor() [L206] int tmp ; [L209] COND TRUE ! pumpRunning [L211] CALL, EXPR isHighWaterLevel() [L355] int retValue_acc ; [L356] int tmp ; [L357] int tmp___0 ; [L361] CALL, EXPR isHighWaterSensorDry() [L489] int retValue_acc ; [L492] COND TRUE waterLevel < 2 [L493] retValue_acc = 1 [L494] return (retValue_acc); [L361] RET, EXPR isHighWaterSensorDry() [L361] tmp = isHighWaterSensorDry() [L363] COND TRUE \read(tmp) [L364] tmp___0 = 0 [L368] retValue_acc = tmp___0 [L369] return (retValue_acc); [L211] RET, EXPR isHighWaterLevel() [L211] tmp = isHighWaterLevel() [L213] COND FALSE !(\read(tmp)) [L219] FCALL processEnvironment__wrappee__base() [L250] RET processEnvironment__wrappee__highWaterSensor() [L276] RET processEnvironment__wrappee__lowWaterSensor() [L186] RET processEnvironment() [L192] CALL __utac_acc__Specification1_spec__1() [L618] int tmp ; [L619] int tmp___0 ; [L623] CALL, EXPR isMethaneLevelCritical() [L448] int retValue_acc ; [L451] retValue_acc = methaneLevelCritical [L452] return (retValue_acc); [L623] RET, EXPR isMethaneLevelCritical() [L623] tmp = isMethaneLevelCritical() [L625] COND FALSE !(\read(tmp)) [L192] RET __utac_acc__Specification1_spec__1() [L148] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:04,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)