./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product54.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 af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:40,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:41,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:41,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:41,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:41,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:41,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:41,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:41,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:41,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:41,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:41,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:41,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:41,058 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:41,060 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:41,060 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:41,061 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:41,061 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:41,061 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:41,062 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:41,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:41,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:41,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:41,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:41,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:41,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:41,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:41,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:41,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:41,065 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:41,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:41,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:41,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:41,067 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:41,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:41,067 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:41,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:41,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:41,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:41,069 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:41,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 [2024-11-17 08:46:41,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:41,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:41,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:41,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:41,355 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:41,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2024-11-17 08:46:42,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:42,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:42,988 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2024-11-17 08:46:43,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97d6dde2/dc5df6617ef24a7ab2d46fe8917e6e6e/FLAG40291ad9e [2024-11-17 08:46:43,029 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c97d6dde2/dc5df6617ef24a7ab2d46fe8917e6e6e [2024-11-17 08:46:43,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:43,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:43,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:43,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:43,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:43,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8c6852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43, skipping insertion in model container [2024-11-17 08:46:43,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:43,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:43,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:43,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-17 08:46:43,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [155] [2024-11-17 08:46:43,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] [2024-11-17 08:46:43,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] [2024-11-17 08:46:43,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2024-11-17 08:46:43,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] [2024-11-17 08:46:43,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [972] [2024-11-17 08:46:43,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1007] [2024-11-17 08:46:43,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:43,557 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:43,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43 WrapperNode [2024-11-17 08:46:43,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:43,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:43,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:43,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:43,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,639 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 58, calls inlined = 142, statements flattened = 968 [2024-11-17 08:46:43,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:43,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:43,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:43,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:43,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,691 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 08:46:43,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,724 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:43,757 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:43,757 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:43,757 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:43,758 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (1/1) ... [2024-11-17 08:46:43,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:43,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:43,818 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 08:46:43,821 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 08:46:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:43,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:43,959 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:43,961 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,598 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L960-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~11#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,599 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,600 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,600 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,600 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,600 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,600 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,601 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,601 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L838-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1004-1: valid_product_#res#1 := valid_product_~retValue_acc~13#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L774-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L774-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L774-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L152-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:44,602 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L914-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L783-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L783-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L783-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L857-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L857-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:44,603 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L857-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:44,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L857-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:44,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L857-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:44,604 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L857-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-17 08:46:44,648 INFO L? ?]: Removed 235 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:44,648 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:44,674 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:44,675 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:44,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:44 BoogieIcfgContainer [2024-11-17 08:46:44,675 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:44,676 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:44,676 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:44,680 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:44,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:44,680 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:43" (1/3) ... [2024-11-17 08:46:44,681 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@574a05a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:44, skipping insertion in model container [2024-11-17 08:46:44,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:44,681 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:43" (2/3) ... [2024-11-17 08:46:44,682 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@574a05a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:44, skipping insertion in model container [2024-11-17 08:46:44,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:44,682 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:44" (3/3) ... [2024-11-17 08:46:44,683 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2024-11-17 08:46:44,731 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:44,731 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:44,732 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:44,732 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:44,732 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:44,732 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:44,732 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:44,732 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:44,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 280 states, 279 states have (on average 1.3691756272401434) internal successors, (382), 279 states have internal predecessors, (382), 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 08:46:44,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 182 [2024-11-17 08:46:44,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:44,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:44,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:44,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:44,792 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:44,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 280 states, 279 states have (on average 1.3691756272401434) internal successors, (382), 279 states have internal predecessors, (382), 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 08:46:44,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 182 [2024-11-17 08:46:44,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:44,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:44,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:44,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:44,818 INFO L745 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 40#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 249#L995true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 54#L988true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 200#L1003true assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 122#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 254#L113true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 169#L165true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 172#L575true [2024-11-17 08:46:44,819 INFO L747 eck$LassoCheckResult]: Loop: 172#L575true assume true; 49#L575-1true assume !false; 264#test_while_4_continue#1true assume true; 214#L577true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet30#1;test_~tmp~5#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 223#L585true assume !(0 != test_~tmp~5#1); 90#L593true havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 281#L595true assume !(0 != test_~tmp___0~1#1); 257#L603true havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 207#L605true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 124#L865true assume true;assume { :end_inline_startSystem } true; 70#L620true assume { :begin_inline_timeShift } true; 205#L645-2true assume !(0 != ~pumpRunning~0); 22#L652-2true assume !(0 != ~systemActive~0); 166#L660-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 57#L913-4true assume true;__utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1; 150#L176-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 270#L194-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 202#L662-2true assume true;assume { :end_inline_timeShift } true; 172#L575true [2024-11-17 08:46:44,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:44,826 INFO L85 PathProgramCache]: Analyzing trace with hash 986902554, now seen corresponding path program 1 times [2024-11-17 08:46:44,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:44,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318455824] [2024-11-17 08:46:44,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:44,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:44,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:44,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:44,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:44,992 INFO L85 PathProgramCache]: Analyzing trace with hash 61168077, now seen corresponding path program 1 times [2024-11-17 08:46:44,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:44,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769731261] [2024-11-17 08:46:44,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:44,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:45,105 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 08:46:45,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:45,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769731261] [2024-11-17 08:46:45,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769731261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:45,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:45,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:45,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874906404] [2024-11-17 08:46:45,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:45,110 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:45,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:45,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:45,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:45,136 INFO L87 Difference]: Start difference. First operand has 280 states, 279 states have (on average 1.3691756272401434) internal successors, (382), 279 states have internal predecessors, (382), 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 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 08:46:45,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:45,198 INFO L93 Difference]: Finished difference Result 274 states and 366 transitions. [2024-11-17 08:46:45,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 366 transitions. [2024-11-17 08:46:45,204 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2024-11-17 08:46:45,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 263 states and 354 transitions. [2024-11-17 08:46:45,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2024-11-17 08:46:45,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2024-11-17 08:46:45,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 354 transitions. [2024-11-17 08:46:45,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:45,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 263 states and 354 transitions. [2024-11-17 08:46:45,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 354 transitions. [2024-11-17 08:46:45,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2024-11-17 08:46:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 263 states have (on average 1.3460076045627376) internal successors, (354), 262 states have internal predecessors, (354), 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 08:46:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 354 transitions. [2024-11-17 08:46:45,250 INFO L240 hiAutomatonCegarLoop]: Abstraction has 263 states and 354 transitions. [2024-11-17 08:46:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:45,255 INFO L425 stractBuchiCegarLoop]: Abstraction has 263 states and 354 transitions. [2024-11-17 08:46:45,256 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:45,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 263 states and 354 transitions. [2024-11-17 08:46:45,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 176 [2024-11-17 08:46:45,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:45,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:45,259 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:45,259 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:45,260 INFO L745 eck$LassoCheckResult]: Stem: 824#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 636#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 637#L995 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 657#L988 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 658#L1003 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 745#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 746#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 784#L165 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 785#L575 [2024-11-17 08:46:45,260 INFO L747 eck$LassoCheckResult]: Loop: 785#L575 assume true; 651#L575-1 assume !false; 652#test_while_4_continue#1 assume true; 814#L577 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet30#1;test_~tmp~5#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 815#L585 assume !(0 != test_~tmp~5#1); 705#L593 havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 706#L595 assume !(0 != test_~tmp___0~1#1); 771#L603 havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 811#L605 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 659#L613 assume 0 != test_~tmp___1~0#1; 660#L620 assume { :begin_inline_timeShift } true; 683#L645-2 assume !(0 != ~pumpRunning~0); 606#L652-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 607#L729-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret37#1, isMethaneAlarm_~retValue_acc~4#1;havoc isMethaneAlarm_~retValue_acc~4#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 729#L913-5 assume true;isMethaneAlarm_#t~ret37#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~4#1 := isMethaneAlarm_#t~ret37#1;havoc isMethaneAlarm_#t~ret37#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; 744#L773-2 assume true;processEnvironment_#t~ret36#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret37#1, isMethaneAlarm_~retValue_acc~4#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~8#1 := processEnvironment_#t~ret36#1;havoc processEnvironment_#t~ret36#1; 778#L733-2 assume 0 != processEnvironment_~tmp~8#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 780#L763-6 assume true;assume { :end_inline_deactivatePump } true; 673#L747-2 assume true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true; 674#L660-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 663#L913-4 assume true;__utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1; 664#L176-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 604#L194-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 809#L662-2 assume true;assume { :end_inline_timeShift } true; 785#L575 [2024-11-17 08:46:45,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:45,261 INFO L85 PathProgramCache]: Analyzing trace with hash 986902554, now seen corresponding path program 2 times [2024-11-17 08:46:45,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:45,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254931096] [2024-11-17 08:46:45,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:45,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:45,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1747967293, now seen corresponding path program 1 times [2024-11-17 08:46:45,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:45,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334058592] [2024-11-17 08:46:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:45,335 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 08:46:45,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:45,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334058592] [2024-11-17 08:46:45,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334058592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:45,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:45,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:45,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950138374] [2024-11-17 08:46:45,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:45,337 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:45,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:45,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:45,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:45,341 INFO L87 Difference]: Start difference. First operand 263 states and 354 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:45,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:45,468 INFO L93 Difference]: Finished difference Result 278 states and 355 transitions. [2024-11-17 08:46:45,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 278 states and 355 transitions. [2024-11-17 08:46:45,471 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 192 [2024-11-17 08:46:45,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 278 states to 278 states and 355 transitions. [2024-11-17 08:46:45,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 278 [2024-11-17 08:46:45,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 278 [2024-11-17 08:46:45,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 278 states and 355 transitions. [2024-11-17 08:46:45,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:45,479 INFO L218 hiAutomatonCegarLoop]: Abstraction has 278 states and 355 transitions. [2024-11-17 08:46:45,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states and 355 transitions. [2024-11-17 08:46:45,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2024-11-17 08:46:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 278 states have (on average 1.276978417266187) internal successors, (355), 277 states have internal predecessors, (355), 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 08:46:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 355 transitions. [2024-11-17 08:46:45,494 INFO L240 hiAutomatonCegarLoop]: Abstraction has 278 states and 355 transitions. [2024-11-17 08:46:45,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:45,495 INFO L425 stractBuchiCegarLoop]: Abstraction has 278 states and 355 transitions. [2024-11-17 08:46:45,496 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:46:45,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 278 states and 355 transitions. [2024-11-17 08:46:45,498 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 192 [2024-11-17 08:46:45,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:45,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:45,499 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:45,499 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:45,499 INFO L745 eck$LassoCheckResult]: Stem: 1333#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1166#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1167#L995 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1185#L988 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 1186#L1003 assume true;main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1251#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1252#L113 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1295#L165 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1296#L575 [2024-11-17 08:46:45,500 INFO L747 eck$LassoCheckResult]: Loop: 1296#L575 assume true; 1180#L575-1 assume !false; 1181#test_while_4_continue#1 assume true; 1319#L577 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet30#1;test_~tmp~5#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1320#L585 assume !(0 != test_~tmp~5#1); 1228#L593 havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1229#L595 assume !(0 != test_~tmp___0~1#1); 1278#L603 havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1317#L605 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet33#1;test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 1187#L613 assume 0 != test_~tmp___1~0#1; 1188#L620 assume { :begin_inline_timeShift } true; 1209#L645-2 assume !(0 != ~pumpRunning~0); 1148#L652-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 1149#L729-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret35#1, processEnvironment__wrappee__lowWaterSensor_~tmp~7#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~7#1; 1239#L703-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1318#L677-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1; 1170#L953-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1; 1163#L958-11 assume true;isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; 1119#L831-11 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1120#L836-11 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1115#L837-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret34#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret34#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1; 1116#L681-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1173#L669-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1230#L695-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1294#L721-5 assume true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret35#1, processEnvironment__wrappee__lowWaterSensor_~tmp~7#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1199#L747-2 assume true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true; 1200#L660-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1191#L913-4 assume true;__utac_acc__Specification2_spec__2_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret5#1;havoc __utac_acc__Specification2_spec__2_#t~ret5#1; 1192#L176-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 1146#L194-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_#t~ret6#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1315#L662-2 assume true;assume { :end_inline_timeShift } true; 1296#L575 [2024-11-17 08:46:45,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:45,500 INFO L85 PathProgramCache]: Analyzing trace with hash 986902554, now seen corresponding path program 3 times [2024-11-17 08:46:45,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:45,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406681511] [2024-11-17 08:46:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:45,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:45,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:45,540 INFO L85 PathProgramCache]: Analyzing trace with hash -272655302, now seen corresponding path program 1 times [2024-11-17 08:46:45,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:45,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813491305] [2024-11-17 08:46:45,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:45,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:45,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:45,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1665460481, now seen corresponding path program 1 times [2024-11-17 08:46:45,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:45,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581392981] [2024-11-17 08:46:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:45,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:46,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:46,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:46 BoogieIcfgContainer [2024-11-17 08:46:46,709 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:46,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:46,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:46,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:46,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:44" (3/4) ... [2024-11-17 08:46:46,714 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:46,771 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:46,771 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:46,772 INFO L158 Benchmark]: Toolchain (without parser) took 3737.66ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 91.2MB in the beginning and 85.9MB in the end (delta: 5.2MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2024-11-17 08:46:46,772 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:46,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.68ms. Allocated memory is still 146.8MB. Free memory was 90.8MB in the beginning and 69.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:46:46,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.63ms. Allocated memory is still 146.8MB. Free memory was 69.1MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:46,773 INFO L158 Benchmark]: Boogie Preprocessor took 114.82ms. Allocated memory is still 146.8MB. Free memory was 64.9MB in the beginning and 116.6MB in the end (delta: -51.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-17 08:46:46,773 INFO L158 Benchmark]: IcfgBuilder took 918.73ms. Allocated memory is still 146.8MB. Free memory was 116.6MB in the beginning and 68.0MB in the end (delta: 48.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:46,774 INFO L158 Benchmark]: BuchiAutomizer took 2032.54ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 67.3MB in the beginning and 89.1MB in the end (delta: -21.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-17 08:46:46,774 INFO L158 Benchmark]: Witness Printer took 61.99ms. Allocated memory is still 199.2MB. Free memory was 89.1MB in the beginning and 85.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:46,776 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.68ms. Allocated memory is still 146.8MB. Free memory was 90.8MB in the beginning and 69.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.63ms. Allocated memory is still 146.8MB. Free memory was 69.1MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.82ms. Allocated memory is still 146.8MB. Free memory was 64.9MB in the beginning and 116.6MB in the end (delta: -51.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * IcfgBuilder took 918.73ms. Allocated memory is still 146.8MB. Free memory was 116.6MB in the beginning and 68.0MB in the end (delta: 48.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2032.54ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 67.3MB in the beginning and 89.1MB in the end (delta: -21.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Witness Printer took 61.99ms. Allocated memory is still 199.2MB. Free memory was 89.1MB in the beginning and 85.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [155] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] - GenericResultAtLocation [Line: 972]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [972] - GenericResultAtLocation [Line: 1007]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1007] * 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 278 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 546 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 546 mSDsluCounter, 763 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 639 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 575]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L159] int methAndRunningLastTime ; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L638] int pumpRunning = 0; [L639] int systemActive = 1; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L999] int retValue_acc ; [L1002] retValue_acc = 1 [L1003] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L164] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L575] COND TRUE 1 [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp)) [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND FALSE !(\read(tmp___2)) [L611] tmp___1 = __VERIFIER_nondet_int() [L613] COND TRUE \read(tmp___1) [L620] CALL timeShift() [L645] COND FALSE !(\read(pumpRunning)) [L652] COND TRUE \read(systemActive) [L654] CALL processEnvironment() [L726] int tmp ; [L729] COND FALSE !(\read(pumpRunning)) [L744] CALL processEnvironment__wrappee__lowWaterSensor() [L700] int tmp ; [L703] COND FALSE !(\read(pumpRunning)) [L718] CALL processEnvironment__wrappee__highWaterSensor() [L674] int tmp ; [L677] COND TRUE ! pumpRunning [L679] CALL, EXPR isHighWaterLevel() [L823] int retValue_acc ; [L824] int tmp ; [L825] int tmp___0 ; [L829] CALL, EXPR isHighWaterSensorDry() [L950] int retValue_acc ; [L953] COND TRUE waterLevel < 2 [L954] retValue_acc = 1 [L955] return (retValue_acc); [L829] RET, EXPR isHighWaterSensorDry() [L829] tmp = isHighWaterSensorDry() [L831] COND TRUE \read(tmp) [L832] tmp___0 = 0 [L836] retValue_acc = tmp___0 [L837] return (retValue_acc); [L679] RET, EXPR isHighWaterLevel() [L679] tmp = isHighWaterLevel() [L681] COND FALSE !(\read(tmp)) [L687] FCALL processEnvironment__wrappee__base() [L718] RET processEnvironment__wrappee__highWaterSensor() [L744] RET processEnvironment__wrappee__lowWaterSensor() [L654] RET processEnvironment() [L660] CALL __utac_acc__Specification2_spec__2() [L169] int tmp ; [L170] int tmp___0 ; [L174] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L174] RET, EXPR isMethaneLevelCritical() [L174] tmp = isMethaneLevelCritical() [L176] COND FALSE !(\read(tmp)) [L192] methAndRunningLastTime = 0 [L660] RET __utac_acc__Specification2_spec__2() [L620] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 575]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int methAndRunningLastTime ; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L638] int pumpRunning = 0; [L639] int systemActive = 1; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L999] int retValue_acc ; [L1002] retValue_acc = 1 [L1003] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L164] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L575] COND TRUE 1 [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp)) [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND FALSE !(\read(tmp___2)) [L611] tmp___1 = __VERIFIER_nondet_int() [L613] COND TRUE \read(tmp___1) [L620] CALL timeShift() [L645] COND FALSE !(\read(pumpRunning)) [L652] COND TRUE \read(systemActive) [L654] CALL processEnvironment() [L726] int tmp ; [L729] COND FALSE !(\read(pumpRunning)) [L744] CALL processEnvironment__wrappee__lowWaterSensor() [L700] int tmp ; [L703] COND FALSE !(\read(pumpRunning)) [L718] CALL processEnvironment__wrappee__highWaterSensor() [L674] int tmp ; [L677] COND TRUE ! pumpRunning [L679] CALL, EXPR isHighWaterLevel() [L823] int retValue_acc ; [L824] int tmp ; [L825] int tmp___0 ; [L829] CALL, EXPR isHighWaterSensorDry() [L950] int retValue_acc ; [L953] COND TRUE waterLevel < 2 [L954] retValue_acc = 1 [L955] return (retValue_acc); [L829] RET, EXPR isHighWaterSensorDry() [L829] tmp = isHighWaterSensorDry() [L831] COND TRUE \read(tmp) [L832] tmp___0 = 0 [L836] retValue_acc = tmp___0 [L837] return (retValue_acc); [L679] RET, EXPR isHighWaterLevel() [L679] tmp = isHighWaterLevel() [L681] COND FALSE !(\read(tmp)) [L687] FCALL processEnvironment__wrappee__base() [L718] RET processEnvironment__wrappee__highWaterSensor() [L744] RET processEnvironment__wrappee__lowWaterSensor() [L654] RET processEnvironment() [L660] CALL __utac_acc__Specification2_spec__2() [L169] int tmp ; [L170] int tmp___0 ; [L174] CALL, EXPR isMethaneLevelCritical() [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); [L174] RET, EXPR isMethaneLevelCritical() [L174] tmp = isMethaneLevelCritical() [L176] COND FALSE !(\read(tmp)) [L192] methAndRunningLastTime = 0 [L660] RET __utac_acc__Specification2_spec__2() [L620] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:46,807 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)