./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product19.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_spec5_product19.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 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:26,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:27,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:27,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:27,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:27,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:27,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:27,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:27,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:27,087 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:27,088 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:27,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:27,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:27,091 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:27,092 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:27,092 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:27,092 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:27,093 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:27,093 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:27,093 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:27,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:27,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:27,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:27,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:27,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:27,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:27,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:27,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:27,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:27,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:27,097 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:27,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:27,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:27,098 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:27,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:27,099 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:27,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:27,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:27,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:27,100 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:27,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2024-11-17 08:48:27,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:27,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:27,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:27,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:27,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:27,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2024-11-17 08:48:28,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:29,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:29,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2024-11-17 08:48:29,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a7d534e/9f146fb15a2c43698981b3e906465e6b/FLAG817bd2a67 [2024-11-17 08:48:29,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a7d534e/9f146fb15a2c43698981b3e906465e6b [2024-11-17 08:48:29,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:29,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:29,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:29,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:29,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:29,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:29,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b64da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29, skipping insertion in model container [2024-11-17 08:48:29,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:29,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:29,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:29,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:29,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-17 08:48:29,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-17 08:48:29,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] [2024-11-17 08:48:29,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] [2024-11-17 08:48:29,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] [2024-11-17 08:48:29,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] [2024-11-17 08:48:29,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] [2024-11-17 08:48:29,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] [2024-11-17 08:48:29,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:29,924 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:29,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29 WrapperNode [2024-11-17 08:48:29,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:29,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:29,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:29,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:29,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:29,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:29,985 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 59, statements flattened = 372 [2024-11-17 08:48:29,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:29,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:29,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:29,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:29,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:29,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,000 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,019 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 08:48:30,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,029 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:30,037 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:30,037 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:30,037 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:30,038 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (1/1) ... [2024-11-17 08:48:30,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:30,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:30,081 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 08:48:30,087 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 08:48:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:30,273 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:30,276 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:30,631 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L283-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:30,631 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L283-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L283-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~2#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L947-1: main_#res#1 := main_~retValue_acc~11#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L801-1: valid_product_#res#1 := valid_product_~retValue_acc~10#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L754-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; [2024-11-17 08:48:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L228-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:30,633 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L228-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:30,633 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L228-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:30,633 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L228-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:30,633 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L228-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:30,633 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L228-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:48:30,663 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:30,667 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:30,685 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:30,686 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:30,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:30 BoogieIcfgContainer [2024-11-17 08:48:30,687 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:30,688 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:30,689 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:30,693 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:30,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:30,693 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:29" (1/3) ... [2024-11-17 08:48:30,694 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44d05b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:30, skipping insertion in model container [2024-11-17 08:48:30,694 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:30,695 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:29" (2/3) ... [2024-11-17 08:48:30,696 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44d05b54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:30, skipping insertion in model container [2024-11-17 08:48:30,696 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:30,696 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:30" (3/3) ... [2024-11-17 08:48:30,697 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2024-11-17 08:48:30,754 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:30,755 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:30,755 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:30,755 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:30,755 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:30,755 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:30,755 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:30,756 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:30,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.3416666666666666) internal successors, (161), 120 states have internal predecessors, (161), 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 08:48:30,779 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2024-11-17 08:48:30,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:30,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:30,785 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:30,785 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] [2024-11-17 08:48:30,786 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:30,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.3416666666666666) internal successors, (161), 120 states have internal predecessors, (161), 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 08:48:30,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2024-11-17 08:48:30,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:30,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:30,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:30,794 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] [2024-11-17 08:48:30,798 INFO L745 eck$LassoCheckResult]: Stem: 105#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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 25#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 12#L792true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 112#L785true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 15#L800true assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 67#L937true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 101#L913true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 52#L811true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 121#L65true [2024-11-17 08:48:30,799 INFO L747 eck$LassoCheckResult]: Loop: 121#L65true assume true; 43#L65-1true assume !false; 13#test_while_0_continue#1true assume true; 103#L67true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 45#L75true assume !(0 != test_~tmp~0#1); 21#L83true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 31#L85true assume !(0 != test_~tmp___0~0#1); 30#L93true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 74#L95true assume 0 != test_~tmp___2~0#1; 50#L110true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 35#L227-5true assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 51#L821-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 85#L142-2true assume !(0 != ~pumpRunning~0); 102#L149-2true assume !(0 != ~systemActive~0); 39#L157-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 66#L753-2true assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 59#L832-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 119#L850-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 77#L159-2true assume true;assume { :end_inline_timeShift } true; 121#L65true [2024-11-17 08:48:30,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:30,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1481649894, now seen corresponding path program 1 times [2024-11-17 08:48:30,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:30,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374018953] [2024-11-17 08:48:30,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:30,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:30,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:30,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:30,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:30,939 INFO L85 PathProgramCache]: Analyzing trace with hash -38569950, now seen corresponding path program 1 times [2024-11-17 08:48:30,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:30,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656879878] [2024-11-17 08:48:30,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:30,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:30,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:30,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:30,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:30,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1081472617, now seen corresponding path program 1 times [2024-11-17 08:48:30,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:30,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022419479] [2024-11-17 08:48:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:30,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:31,132 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 08:48:31,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:31,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022419479] [2024-11-17 08:48:31,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022419479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:31,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:31,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:48:31,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725824752] [2024-11-17 08:48:31,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:31,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:31,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:48:31,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:48:31,277 INFO L87 Difference]: Start difference. First operand has 121 states, 120 states have (on average 1.3416666666666666) internal successors, (161), 120 states have internal predecessors, (161), 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 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:31,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:31,336 INFO L93 Difference]: Finished difference Result 221 states and 283 transitions. [2024-11-17 08:48:31,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 221 states and 283 transitions. [2024-11-17 08:48:31,345 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 138 [2024-11-17 08:48:31,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 221 states to 199 states and 260 transitions. [2024-11-17 08:48:31,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 199 [2024-11-17 08:48:31,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 199 [2024-11-17 08:48:31,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 199 states and 260 transitions. [2024-11-17 08:48:31,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:31,355 INFO L218 hiAutomatonCegarLoop]: Abstraction has 199 states and 260 transitions. [2024-11-17 08:48:31,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states and 260 transitions. [2024-11-17 08:48:31,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 196. [2024-11-17 08:48:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 196 states have (on average 1.3061224489795917) internal successors, (256), 195 states have internal predecessors, (256), 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 08:48:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2024-11-17 08:48:31,400 INFO L240 hiAutomatonCegarLoop]: Abstraction has 196 states and 256 transitions. [2024-11-17 08:48:31,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:48:31,408 INFO L425 stractBuchiCegarLoop]: Abstraction has 196 states and 256 transitions. [2024-11-17 08:48:31,408 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:31,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 256 transitions. [2024-11-17 08:48:31,411 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 138 [2024-11-17 08:48:31,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:31,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:31,412 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:31,412 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:31,412 INFO L745 eck$LassoCheckResult]: Stem: 479#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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 393#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 372#L792 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 373#L785 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 378#L800 assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 379#L937 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 449#L913 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 427#L811 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 428#L65 [2024-11-17 08:48:31,413 INFO L747 eck$LassoCheckResult]: Loop: 428#L65 assume true; 499#L65-1 assume !false; 498#test_while_0_continue#1 assume true; 496#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 495#L75 assume !(0 != test_~tmp~0#1); 494#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 493#L85 assume !(0 != test_~tmp___0~0#1); 492#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 455#L95 assume 0 != test_~tmp___2~0#1; 457#L110 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 490#L227-5 assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 425#L821-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 426#L142-2 assume !(0 != ~pumpRunning~0); 478#L149-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 477#L174-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 411#L166-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 398#L192-2 assume true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 412#L157-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 413#L753-2 assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 440#L832-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 392#L850-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 487#L159-2 assume true;assume { :end_inline_timeShift } true; 428#L65 [2024-11-17 08:48:31,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:31,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1481649894, now seen corresponding path program 2 times [2024-11-17 08:48:31,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:31,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416162758] [2024-11-17 08:48:31,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:31,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:31,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:31,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:31,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:31,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1859969593, now seen corresponding path program 1 times [2024-11-17 08:48:31,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:31,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977078090] [2024-11-17 08:48:31,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:31,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:31,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:31,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:31,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1447160466, now seen corresponding path program 1 times [2024-11-17 08:48:31,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:31,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713917198] [2024-11-17 08:48:31,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:31,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:31,633 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 08:48:31,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:31,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713917198] [2024-11-17 08:48:31,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713917198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:31,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:31,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:48:31,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323864148] [2024-11-17 08:48:31,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:31,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:31,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:48:31,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:48:31,711 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 08:48:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:31,836 INFO L93 Difference]: Finished difference Result 376 states and 482 transitions. [2024-11-17 08:48:31,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 376 states and 482 transitions. [2024-11-17 08:48:31,844 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 264 [2024-11-17 08:48:31,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 376 states to 376 states and 482 transitions. [2024-11-17 08:48:31,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 376 [2024-11-17 08:48:31,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 376 [2024-11-17 08:48:31,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 376 states and 482 transitions. [2024-11-17 08:48:31,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:31,857 INFO L218 hiAutomatonCegarLoop]: Abstraction has 376 states and 482 transitions. [2024-11-17 08:48:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states and 482 transitions. [2024-11-17 08:48:31,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2024-11-17 08:48:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 376 states have (on average 1.2819148936170213) internal successors, (482), 375 states have internal predecessors, (482), 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 08:48:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 482 transitions. [2024-11-17 08:48:31,913 INFO L240 hiAutomatonCegarLoop]: Abstraction has 376 states and 482 transitions. [2024-11-17 08:48:31,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:31,917 INFO L425 stractBuchiCegarLoop]: Abstraction has 376 states and 482 transitions. [2024-11-17 08:48:31,917 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:31,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 376 states and 482 transitions. [2024-11-17 08:48:31,924 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 264 [2024-11-17 08:48:31,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:31,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:31,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:31,924 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 08:48:31,925 INFO L745 eck$LassoCheckResult]: Stem: 1059#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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 979#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 957#L792 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 958#L785 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 964#L800 assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 965#L937 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1034#L913 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1014#L811 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#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; 1015#L65 [2024-11-17 08:48:31,925 INFO L747 eck$LassoCheckResult]: Loop: 1015#L65 assume true; 1002#L65-1 assume !false; 959#test_while_0_continue#1 assume true; 960#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1058#L75 assume !(0 != test_~tmp~0#1); 1245#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1240#L85 assume !(0 != test_~tmp___0~0#1); 1237#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1234#L95 assume 0 != test_~tmp___2~0#1; 1230#L110 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1228#L227-5 assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 1226#L821-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1224#L142-2 assume !(0 != ~pumpRunning~0); 1225#L149-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1298#L174-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1295#L166-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1293#L192-2 assume true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1291#L157-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1289#L753-2 assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 1287#L832-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1285#L227-4 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1283#L836-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1066#L850-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1042#L159-2 assume true;assume { :end_inline_timeShift } true; 1015#L65 [2024-11-17 08:48:31,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:31,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1481649894, now seen corresponding path program 3 times [2024-11-17 08:48:31,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:31,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351372014] [2024-11-17 08:48:31,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:31,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:31,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:31,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:31,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:31,986 INFO L85 PathProgramCache]: Analyzing trace with hash 723773335, now seen corresponding path program 1 times [2024-11-17 08:48:31,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:31,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56892114] [2024-11-17 08:48:31,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:31,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:31,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:32,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:32,006 INFO L85 PathProgramCache]: Analyzing trace with hash -848806480, now seen corresponding path program 1 times [2024-11-17 08:48:32,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:32,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953854426] [2024-11-17 08:48:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:32,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:32,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:32 BoogieIcfgContainer [2024-11-17 08:48:32,999 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:32,999 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:32,999 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:33,000 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:33,000 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:30" (3/4) ... [2024-11-17 08:48:33,001 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:33,058 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:33,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:33,060 INFO L158 Benchmark]: Toolchain (without parser) took 3627.69ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 113.3MB in the beginning and 114.8MB in the end (delta: -1.4MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-11-17 08:48:33,061 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:33,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.96ms. Allocated memory is still 163.6MB. Free memory was 113.3MB in the beginning and 91.9MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:33,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.30ms. Allocated memory is still 163.6MB. Free memory was 91.9MB in the beginning and 89.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:33,062 INFO L158 Benchmark]: Boogie Preprocessor took 49.57ms. Allocated memory is still 163.6MB. Free memory was 89.0MB in the beginning and 86.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:33,062 INFO L158 Benchmark]: IcfgBuilder took 650.27ms. Allocated memory is still 163.6MB. Free memory was 86.9MB in the beginning and 113.2MB in the end (delta: -26.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 08:48:33,063 INFO L158 Benchmark]: BuchiAutomizer took 2311.24ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 113.2MB in the beginning and 117.9MB in the end (delta: -4.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-17 08:48:33,063 INFO L158 Benchmark]: Witness Printer took 59.49ms. Allocated memory is still 201.3MB. Free memory was 117.9MB in the beginning and 114.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:33,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.96ms. Allocated memory is still 163.6MB. Free memory was 113.3MB in the beginning and 91.9MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.30ms. Allocated memory is still 163.6MB. Free memory was 91.9MB in the beginning and 89.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.57ms. Allocated memory is still 163.6MB. Free memory was 89.0MB in the beginning and 86.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 650.27ms. Allocated memory is still 163.6MB. Free memory was 86.9MB in the beginning and 113.2MB in the end (delta: -26.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2311.24ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 113.2MB in the beginning and 117.9MB in the end (delta: -4.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Witness Printer took 59.49ms. Allocated memory is still 201.3MB. Free memory was 117.9MB in the beginning and 114.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 301]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] - GenericResultAtLocation [Line: 676]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] * 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 5 locations. The remainder module has 376 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. 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 0.1s 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, 218 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 851 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 548 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 303 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L480] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L678] int waterLevel = 1; [L679] int methaneLevelCritical = 0; [L805] int switchedOnBeforeTS ; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L928] int retValue_acc ; [L929] int tmp ; [L933] FCALL select_helpers() [L934] FCALL select_features() [L935] CALL, EXPR valid_product() [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L935] RET, EXPR valid_product() [L935] tmp = valid_product() [L937] COND TRUE \read(tmp) [L939] FCALL setup() [L940] CALL runTest() [L921] CALL __utac_acc__Specification5_spec__1() [L810] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L921] RET __utac_acc__Specification5_spec__1() [L922] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L819] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L819] RET, EXPR isPumpRunning() [L819] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L825] int tmp ; [L826] int tmp___0 ; [L830] CALL, EXPR getWaterLevel() [L749] int retValue_acc ; [L752] retValue_acc = waterLevel [L753] return (retValue_acc); [L830] RET, EXPR getWaterLevel() [L830] tmp = getWaterLevel() [L832] COND TRUE tmp != 2 [L834] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L834] RET, EXPR isPumpRunning() [L834] tmp___0 = isPumpRunning() [L836] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L480] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L678] int waterLevel = 1; [L679] int methaneLevelCritical = 0; [L805] int switchedOnBeforeTS ; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L928] int retValue_acc ; [L929] int tmp ; [L933] FCALL select_helpers() [L934] FCALL select_features() [L935] CALL, EXPR valid_product() [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L935] RET, EXPR valid_product() [L935] tmp = valid_product() [L937] COND TRUE \read(tmp) [L939] FCALL setup() [L940] CALL runTest() [L921] CALL __utac_acc__Specification5_spec__1() [L810] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L921] RET __utac_acc__Specification5_spec__1() [L922] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L819] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L819] RET, EXPR isPumpRunning() [L819] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L825] int tmp ; [L826] int tmp___0 ; [L830] CALL, EXPR getWaterLevel() [L749] int retValue_acc ; [L752] retValue_acc = waterLevel [L753] return (retValue_acc); [L830] RET, EXPR getWaterLevel() [L830] tmp = getWaterLevel() [L832] COND TRUE tmp != 2 [L834] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L834] RET, EXPR isPumpRunning() [L834] tmp___0 = isPumpRunning() [L836] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:33,087 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)