./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product47.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 c4da108453cefa034e9e2f20ae1a945f7f6bf5ea54205b9ec625406680c7ecea --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:25,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:25,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:25,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:25,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:25,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:25,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:25,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:25,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:25,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:25,548 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:25,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:25,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:25,552 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:25,553 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:25,553 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:25,553 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:25,553 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:25,554 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:25,554 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:25,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:25,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:25,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:25,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:25,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:25,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:25,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:25,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:25,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:25,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:25,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:25,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:25,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:25,560 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:25,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:25,560 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:25,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:25,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:25,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:25,562 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:25,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4da108453cefa034e9e2f20ae1a945f7f6bf5ea54205b9ec625406680c7ecea [2024-11-10 23:13:25,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:25,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:25,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:25,825 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:25,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:25,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2024-11-10 23:13:27,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:27,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:27,453 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2024-11-10 23:13:27,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08925cde7/49e00119ba8c460c938b21534cc32af8/FLAGe3045345a [2024-11-10 23:13:27,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08925cde7/49e00119ba8c460c938b21534cc32af8 [2024-11-10 23:13:27,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:27,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:27,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:27,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:27,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:27,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:27,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39936211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27, skipping insertion in model container [2024-11-10 23:13:27,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:27,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:27,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:27,874 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:27,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-11-10 23:13:27,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2024-11-10 23:13:27,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [87] [2024-11-10 23:13:27,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [125] [2024-11-10 23:13:27,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [225] [2024-11-10 23:13:27,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [440] [2024-11-10 23:13:27,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [508] [2024-11-10 23:13:27,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [874] [2024-11-10 23:13:27,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:27,980 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:27,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27 WrapperNode [2024-11-10 23:13:27,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:27,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:27,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:27,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:27,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,031 INFO L138 Inliner]: procedures = 55, calls = 102, calls flagged for inlining = 55, calls inlined = 100, statements flattened = 662 [2024-11-10 23:13:28,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:28,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:28,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:28,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:28,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,082 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:13:28,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:28,103 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:28,103 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:28,103 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:28,104 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (1/1) ... [2024-11-10 23:13:28,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:28,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:28,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:13:28,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:13:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:28,290 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:28,292 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:28,774 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L367-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:13:28,775 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L367-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:13:28,775 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L367-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~6#1; [2024-11-10 23:13:28,775 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-10 23:13:28,775 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:28,775 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:28,775 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L222-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L967-1: main_#res#1 := main_~retValue_acc~11#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:28,776 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L422-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:28,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,778 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,779 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,779 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L176-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2024-11-10 23:13:28,779 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,779 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L358-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~5#1; [2024-11-10 23:13:28,815 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:28,815 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:28,833 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:28,833 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:28,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:28 BoogieIcfgContainer [2024-11-10 23:13:28,834 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:28,835 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:28,835 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:28,838 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:28,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:28,839 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:27" (1/3) ... [2024-11-10 23:13:28,839 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ba7ab04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:28, skipping insertion in model container [2024-11-10 23:13:28,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:28,840 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:27" (2/3) ... [2024-11-10 23:13:28,840 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ba7ab04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:28, skipping insertion in model container [2024-11-10 23:13:28,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:28,840 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:28" (3/3) ... [2024-11-10 23:13:28,841 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2024-11-10 23:13:28,888 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:28,888 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:28,888 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:28,888 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:28,888 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:28,889 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:28,889 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:28,889 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:28,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 187 states, 186 states have (on average 1.3494623655913978) internal successors, (251), 186 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:28,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2024-11-10 23:13:28,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:28,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:28,930 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:28,930 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:28,930 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:28,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 187 states, 186 states have (on average 1.3494623655913978) internal successors, (251), 186 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:28,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2024-11-10 23:13:28,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:28,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:28,948 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:28,949 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:28,954 INFO L745 eck$LassoCheckResult]: Stem: 167#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 34#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 157#L113true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 164#L106true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 32#L121true assume true;main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 84#L957true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 131#L934true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 103#L452true [2024-11-10 23:13:28,955 INFO L747 eck$LassoCheckResult]: Loop: 103#L452true assume true; 45#L452-1true assume !false;assume true; 6#L454true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet25#1;test_~tmp~5#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 109#L462true assume !(0 != test_~tmp~5#1); 149#L470true havoc test_#t~nondet26#1;test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 46#L472true assume !(0 != test_~tmp___0~2#1); 63#L480true havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 81#L482true assume 0 != test_~tmp___2~0#1; 169#L497true assume { :begin_inline_timeShift } true; 132#L238-2true assume !(0 != ~pumpRunning~0); 104#L245-2true assume !(0 != ~systemActive~0); 175#L253-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 86#L175-8true assume true;__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 65#L61-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 162#L75-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 177#L255-2true assume true;assume { :end_inline_timeShift } true; 103#L452true [2024-11-10 23:13:28,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1248594292, now seen corresponding path program 1 times [2024-11-10 23:13:28,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:28,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955502580] [2024-11-10 23:13:28,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:28,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:29,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:29,112 INFO L85 PathProgramCache]: Analyzing trace with hash 431921975, now seen corresponding path program 1 times [2024-11-10 23:13:29,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:29,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055810328] [2024-11-10 23:13:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:29,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:29,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:29,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1356995522, now seen corresponding path program 1 times [2024-11-10 23:13:29,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:29,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408801953] [2024-11-10 23:13:29,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:29,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:29,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:29,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408801953] [2024-11-10 23:13:29,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408801953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:29,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:29,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:13:29,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260762161] [2024-11-10 23:13:29,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:29,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:29,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:29,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:29,453 INFO L87 Difference]: Start difference. First operand has 187 states, 186 states have (on average 1.3494623655913978) internal successors, (251), 186 states have internal predecessors, (251), 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 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:29,531 INFO L93 Difference]: Finished difference Result 354 states and 464 transitions. [2024-11-10 23:13:29,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 354 states and 464 transitions. [2024-11-10 23:13:29,538 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 226 [2024-11-10 23:13:29,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 354 states to 332 states and 441 transitions. [2024-11-10 23:13:29,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 332 [2024-11-10 23:13:29,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 332 [2024-11-10 23:13:29,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 332 states and 441 transitions. [2024-11-10 23:13:29,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:29,552 INFO L218 hiAutomatonCegarLoop]: Abstraction has 332 states and 441 transitions. [2024-11-10 23:13:29,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states and 441 transitions. [2024-11-10 23:13:29,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 329. [2024-11-10 23:13:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 329 states have (on average 1.3282674772036474) internal successors, (437), 328 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 437 transitions. [2024-11-10 23:13:29,597 INFO L240 hiAutomatonCegarLoop]: Abstraction has 329 states and 437 transitions. [2024-11-10 23:13:29,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:29,601 INFO L425 stractBuchiCegarLoop]: Abstraction has 329 states and 437 transitions. [2024-11-10 23:13:29,602 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:29,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 329 states and 437 transitions. [2024-11-10 23:13:29,604 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 226 [2024-11-10 23:13:29,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:29,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:29,605 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:29,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:29,606 INFO L745 eck$LassoCheckResult]: Stem: 734#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 611#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 612#L113 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 732#L106 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 605#L121 assume true;main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 606#L957 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 676#L934 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 699#L452 [2024-11-10 23:13:29,606 INFO L747 eck$LassoCheckResult]: Loop: 699#L452 assume true; 626#L452-1 assume !false;assume true; 556#L454 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet25#1;test_~tmp~5#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 558#L462 assume !(0 != test_~tmp~5#1); 649#L470 havoc test_#t~nondet26#1;test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 627#L472 assume !(0 != test_~tmp___0~2#1); 593#L480 havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 650#L482 assume 0 != test_~tmp___2~0#1; 672#L497 assume { :begin_inline_timeShift } true; 723#L238-2 assume !(0 != ~pumpRunning~0); 573#L245-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 700#L296-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 722#L270-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 638#L262-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 639#L288-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 683#L314-2 assume true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 701#L253-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 679#L175-8 assume true;__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 654#L61-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 641#L75-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 733#L255-2 assume true;assume { :end_inline_timeShift } true; 699#L452 [2024-11-10 23:13:29,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:29,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1248594292, now seen corresponding path program 2 times [2024-11-10 23:13:29,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:29,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100615999] [2024-11-10 23:13:29,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:29,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:29,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:29,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1636724421, now seen corresponding path program 1 times [2024-11-10 23:13:29,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:29,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199599100] [2024-11-10 23:13:29,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:29,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:29,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:13:29,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:29,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199599100] [2024-11-10 23:13:29,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199599100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:29,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:29,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:13:29,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300006178] [2024-11-10 23:13:29,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:29,677 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:29,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:29,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:29,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:29,680 INFO L87 Difference]: Start difference. First operand 329 states and 437 transitions. cyclomatic complexity: 112 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:29,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:29,778 INFO L93 Difference]: Finished difference Result 450 states and 575 transitions. [2024-11-10 23:13:29,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 450 states and 575 transitions. [2024-11-10 23:13:29,783 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 317 [2024-11-10 23:13:29,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 450 states to 450 states and 575 transitions. [2024-11-10 23:13:29,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 450 [2024-11-10 23:13:29,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 450 [2024-11-10 23:13:29,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 450 states and 575 transitions. [2024-11-10 23:13:29,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:29,796 INFO L218 hiAutomatonCegarLoop]: Abstraction has 450 states and 575 transitions. [2024-11-10 23:13:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states and 575 transitions. [2024-11-10 23:13:29,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-10 23:13:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 450 states have (on average 1.2777777777777777) internal successors, (575), 449 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:13:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 575 transitions. [2024-11-10 23:13:29,828 INFO L240 hiAutomatonCegarLoop]: Abstraction has 450 states and 575 transitions. [2024-11-10 23:13:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:29,834 INFO L425 stractBuchiCegarLoop]: Abstraction has 450 states and 575 transitions. [2024-11-10 23:13:29,834 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:13:29,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 450 states and 575 transitions. [2024-11-10 23:13:29,837 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 317 [2024-11-10 23:13:29,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:29,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:29,840 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:29,840 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:29,841 INFO L745 eck$LassoCheckResult]: Stem: 1530#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 1394#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1395#L113 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1527#L106 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1383#L121 assume true;main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 1384#L957 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1460#L934 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1486#L452 [2024-11-10 23:13:29,841 INFO L747 eck$LassoCheckResult]: Loop: 1486#L452 assume true; 1405#L452-1 assume !false;assume true; 1341#L454 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet25#1;test_~tmp~5#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 1343#L462 assume !(0 != test_~tmp~5#1); 1426#L470 havoc test_#t~nondet26#1;test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 1406#L472 assume !(0 != test_~tmp___0~2#1); 1376#L480 havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 1427#L482 assume 0 != test_~tmp___2~0#1; 1454#L497 assume { :begin_inline_timeShift } true; 1510#L238-2 assume !(0 != ~pumpRunning~0); 1487#L245-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1412#L296-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 1413#L270-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;havoc isHighWaterSensorDry_~retValue_acc~4#1; 1371#L215-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~4#1; 1372#L220-5 assume true;isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~4#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1; 1421#L415-5 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1432#L420-5 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 1420#L421-5 assume true;processEnvironment__wrappee__methaneQuery_#t~ret12#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1#1 := processEnvironment__wrappee__methaneQuery_#t~ret12#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1; 1363#L274-5 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1365#L262-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1765#L288-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1764#L314-2 assume true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1763#L253-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 1762#L175-8 assume true;__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 1760#L61-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 1758#L75-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1757#L255-2 assume true;assume { :end_inline_timeShift } true; 1486#L452 [2024-11-10 23:13:29,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:29,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1248594292, now seen corresponding path program 3 times [2024-11-10 23:13:29,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:29,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485070392] [2024-11-10 23:13:29,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:29,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:29,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:29,878 INFO L85 PathProgramCache]: Analyzing trace with hash 603532932, now seen corresponding path program 1 times [2024-11-10 23:13:29,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:29,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390760006] [2024-11-10 23:13:29,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:29,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:29,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:29,916 INFO L85 PathProgramCache]: Analyzing trace with hash 689600793, now seen corresponding path program 1 times [2024-11-10 23:13:29,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:29,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77702189] [2024-11-10 23:13:29,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:29,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:29,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:30,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:30,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:30 BoogieIcfgContainer [2024-11-10 23:13:30,865 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:30,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:30,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:30,866 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:30,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:28" (3/4) ... [2024-11-10 23:13:30,870 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:30,947 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:30,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:30,947 INFO L158 Benchmark]: Toolchain (without parser) took 3465.75ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 90.0MB in the beginning and 163.4MB in the end (delta: -73.5MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-10 23:13:30,948 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:30,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.63ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 114.8MB in the end (delta: -24.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:30,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.72ms. Allocated memory is still 159.4MB. Free memory was 114.8MB in the beginning and 111.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:30,953 INFO L158 Benchmark]: Boogie Preprocessor took 70.19ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 108.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:30,953 INFO L158 Benchmark]: IcfgBuilder took 731.01ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 72.8MB in the end (delta: 35.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-10 23:13:30,954 INFO L158 Benchmark]: BuchiAutomizer took 2030.55ms. Allocated memory is still 159.4MB. Free memory was 72.5MB in the beginning and 49.4MB in the end (delta: 23.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:30,954 INFO L158 Benchmark]: Witness Printer took 80.82ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 49.4MB in the beginning and 163.4MB in the end (delta: -114.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-10 23:13:30,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.63ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 114.8MB in the end (delta: -24.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.72ms. Allocated memory is still 159.4MB. Free memory was 114.8MB in the beginning and 111.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.19ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 108.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 731.01ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 72.8MB in the end (delta: 35.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2030.55ms. Allocated memory is still 159.4MB. Free memory was 72.5MB in the beginning and 49.4MB in the end (delta: 23.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 80.82ms. Allocated memory was 159.4MB in the beginning and 197.1MB in the end (delta: 37.7MB). Free memory was 49.4MB in the beginning and 163.4MB in the end (delta: -114.1MB). Peak memory consumption was 7.6MB. 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [87] - GenericResultAtLocation [Line: 125]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [125] - GenericResultAtLocation [Line: 225]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [225] - GenericResultAtLocation [Line: 440]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [440] - GenericResultAtLocation [Line: 508]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [508] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [874] * 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 450 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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, 383 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 383 mSDsluCounter, 771 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 317 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 454 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 452]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L132] int waterLevel = 1; [L133] int methaneLevelCritical = 0; [L231] int pumpRunning = 0; [L232] int systemActive = 1; [L678] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L875] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L948] int retValue_acc ; [L949] int tmp ; [L953] FCALL select_helpers() [L954] FCALL select_features() [L955] CALL, EXPR valid_product() [L117] int retValue_acc ; [L120] retValue_acc = 1 [L121] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L955] RET, EXPR valid_product() [L955] tmp = valid_product() [L957] COND TRUE \read(tmp) [L959] FCALL setup() [L960] CALL runTest() [L942] CALL test() [L443] int splverifierCounter ; [L444] int tmp ; [L445] int tmp___0 ; [L446] int tmp___1 ; [L447] int tmp___2 ; [L450] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L452] COND TRUE 1 [L454] COND TRUE splverifierCounter < 4 [L460] tmp = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp)) [L470] tmp___0 = __VERIFIER_nondet_int() [L472] COND FALSE !(\read(tmp___0)) [L480] tmp___2 = __VERIFIER_nondet_int() [L482] COND TRUE \read(tmp___2) [L497] CALL timeShift() [L238] COND FALSE !(\read(pumpRunning)) [L245] COND TRUE \read(systemActive) [L247] CALL processEnvironment() [L293] int tmp ; [L296] COND FALSE !(\read(pumpRunning)) [L311] CALL processEnvironment__wrappee__methaneQuery() [L267] int tmp ; [L270] COND TRUE ! pumpRunning [L272] CALL, EXPR isHighWaterLevel() [L407] int retValue_acc ; [L408] int tmp ; [L409] int tmp___0 ; [L413] CALL, EXPR isHighWaterSensorDry() [L212] int retValue_acc ; [L215] COND TRUE waterLevel < 2 [L216] retValue_acc = 1 [L217] return (retValue_acc); [L413] RET, EXPR isHighWaterSensorDry() [L413] tmp = isHighWaterSensorDry() [L415] COND TRUE \read(tmp) [L416] tmp___0 = 0 [L420] retValue_acc = tmp___0 [L421] return (retValue_acc); [L272] RET, EXPR isHighWaterLevel() [L272] tmp = isHighWaterLevel() [L274] COND FALSE !(\read(tmp)) [L280] FCALL processEnvironment__wrappee__base() [L311] RET processEnvironment__wrappee__methaneQuery() [L247] RET processEnvironment() [L253] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L171] int retValue_acc ; [L174] retValue_acc = methaneLevelCritical [L175] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L253] RET __utac_acc__Specification1_spec__1() [L497] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 452]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L132] int waterLevel = 1; [L133] int methaneLevelCritical = 0; [L231] int pumpRunning = 0; [L232] int systemActive = 1; [L678] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L875] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L948] int retValue_acc ; [L949] int tmp ; [L953] FCALL select_helpers() [L954] FCALL select_features() [L955] CALL, EXPR valid_product() [L117] int retValue_acc ; [L120] retValue_acc = 1 [L121] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L955] RET, EXPR valid_product() [L955] tmp = valid_product() [L957] COND TRUE \read(tmp) [L959] FCALL setup() [L960] CALL runTest() [L942] CALL test() [L443] int splverifierCounter ; [L444] int tmp ; [L445] int tmp___0 ; [L446] int tmp___1 ; [L447] int tmp___2 ; [L450] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L452] COND TRUE 1 [L454] COND TRUE splverifierCounter < 4 [L460] tmp = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp)) [L470] tmp___0 = __VERIFIER_nondet_int() [L472] COND FALSE !(\read(tmp___0)) [L480] tmp___2 = __VERIFIER_nondet_int() [L482] COND TRUE \read(tmp___2) [L497] CALL timeShift() [L238] COND FALSE !(\read(pumpRunning)) [L245] COND TRUE \read(systemActive) [L247] CALL processEnvironment() [L293] int tmp ; [L296] COND FALSE !(\read(pumpRunning)) [L311] CALL processEnvironment__wrappee__methaneQuery() [L267] int tmp ; [L270] COND TRUE ! pumpRunning [L272] CALL, EXPR isHighWaterLevel() [L407] int retValue_acc ; [L408] int tmp ; [L409] int tmp___0 ; [L413] CALL, EXPR isHighWaterSensorDry() [L212] int retValue_acc ; [L215] COND TRUE waterLevel < 2 [L216] retValue_acc = 1 [L217] return (retValue_acc); [L413] RET, EXPR isHighWaterSensorDry() [L413] tmp = isHighWaterSensorDry() [L415] COND TRUE \read(tmp) [L416] tmp___0 = 0 [L420] retValue_acc = tmp___0 [L421] return (retValue_acc); [L272] RET, EXPR isHighWaterLevel() [L272] tmp = isHighWaterLevel() [L274] COND FALSE !(\read(tmp)) [L280] FCALL processEnvironment__wrappee__base() [L311] RET processEnvironment__wrappee__methaneQuery() [L247] RET processEnvironment() [L253] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L171] int retValue_acc ; [L174] retValue_acc = methaneLevelCritical [L175] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L253] RET __utac_acc__Specification1_spec__1() [L497] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:30,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)