./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product38.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 ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:30,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:31,049 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:31,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:31,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:31,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:31,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:31,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:31,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:31,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:31,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:31,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:31,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:31,078 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:31,078 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:31,078 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:31,078 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:31,078 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:31,078 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:31,079 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:31,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:31,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:31,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:31,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:31,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:31,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:31,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:31,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:31,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:31,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:31,082 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:31,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:31,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:31,083 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:31,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:31,083 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:31,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:31,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:31,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:31,084 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:31,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 [2024-11-17 08:46:31,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:31,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:31,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:31,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:31,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:31,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2024-11-17 08:46:32,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:32,648 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:32,648 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2024-11-17 08:46:32,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9336348d8/f64393fd461e4327801dec5596eebf0d/FLAGc493a1cbe [2024-11-17 08:46:33,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9336348d8/f64393fd461e4327801dec5596eebf0d [2024-11-17 08:46:33,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:33,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:33,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:33,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:33,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:33,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e26ad02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33, skipping insertion in model container [2024-11-17 08:46:33,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:33,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:33,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:33,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-17 08:46:33,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [58] [2024-11-17 08:46:33,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [99] [2024-11-17 08:46:33,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [137] [2024-11-17 08:46:33,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [331] [2024-11-17 08:46:33,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [401] [2024-11-17 08:46:33,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [498] [2024-11-17 08:46:33,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] [2024-11-17 08:46:33,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:33,409 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:33,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33 WrapperNode [2024-11-17 08:46:33,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:33,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:33,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:33,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:33,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,447 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 548 [2024-11-17 08:46:33,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:33,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:33,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:33,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:33,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,482 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:46:33,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,492 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:33,505 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:33,505 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:33,505 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:33,506 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:33,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:33,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:46:33,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:46:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:33,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:33,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:33,653 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:33,655 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:33,974 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L320-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L320-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L320-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L320-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L320-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L320-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L256-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L256-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L256-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L590-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L590-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:33,975 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L590-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L590-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L590-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L590-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L544-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-17 08:46:33,976 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L495-1: main_#res#1 := main_~retValue_acc~5#1; [2024-11-17 08:46:33,977 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:46:33,977 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:46:33,977 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L265-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:46:33,977 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L134-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-17 08:46:33,996 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:33,996 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:34,013 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:34,013 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:34,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:34 BoogieIcfgContainer [2024-11-17 08:46:34,015 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:34,016 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:34,016 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:34,019 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:34,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:34,019 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:33" (1/3) ... [2024-11-17 08:46:34,020 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fd4f66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:34, skipping insertion in model container [2024-11-17 08:46:34,020 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:34,020 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (2/3) ... [2024-11-17 08:46:34,021 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fd4f66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:34, skipping insertion in model container [2024-11-17 08:46:34,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:34,021 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:34" (3/3) ... [2024-11-17 08:46:34,022 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2024-11-17 08:46:34,067 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:34,067 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:34,067 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:34,067 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:34,068 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:34,068 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:34,068 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:34,068 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:34,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:34,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-17 08:46:34,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:34,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:34,099 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,099 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,099 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:34,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:34,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2024-11-17 08:46:34,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:34,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:34,105 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,109 INFO L745 eck$LassoCheckResult]: Stem: 144#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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 31#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 99#L125true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 108#L118true 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; 129#L133true assume true;main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 112#L485true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 3#L461true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 142#L67true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 146#L345true [2024-11-17 08:46:34,109 INFO L747 eck$LassoCheckResult]: Loop: 146#L345true assume true; 92#L345-1true assume !false; 16#test_while_0_continue#1true assume true; 136#L347true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 42#L355true assume !(0 != test_~tmp~4#1); 164#L363true havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 66#L365true assume !(0 != test_~tmp___0~2#1); 141#L373true havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 17#L375true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet22#1;test_~tmp___1~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 64#L383true assume 0 != test_~tmp___1~0#1; 109#L390true assume { :begin_inline_timeShift } true; 150#L153-2true assume !(0 != ~pumpRunning~0); 91#L160-2true assume !(0 != ~systemActive~0); 12#L168-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 47#L543-4true assume true;__utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 52#L78-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 26#L96-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 59#L170-2true assume true;assume { :end_inline_timeShift } true; 146#L345true [2024-11-17 08:46:34,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,116 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 1 times [2024-11-17 08:46:34,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651931771] [2024-11-17 08:46:34,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:34,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1735398471, now seen corresponding path program 1 times [2024-11-17 08:46:34,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328148890] [2024-11-17 08:46:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:34,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1512991008, now seen corresponding path program 1 times [2024-11-17 08:46:34,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851168170] [2024-11-17 08:46:34,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:34,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:34,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851168170] [2024-11-17 08:46:34,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851168170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:34,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:34,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:46:34,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692771108] [2024-11-17 08:46:34,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:34,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:34,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:34,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:34,534 INFO L87 Difference]: Start difference. First operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:34,557 INFO L93 Difference]: Finished difference Result 160 states and 210 transitions. [2024-11-17 08:46:34,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 210 transitions. [2024-11-17 08:46:34,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-17 08:46:34,564 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 149 states and 198 transitions. [2024-11-17 08:46:34,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2024-11-17 08:46:34,565 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2024-11-17 08:46:34,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 198 transitions. [2024-11-17 08:46:34,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:34,566 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-17 08:46:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 198 transitions. [2024-11-17 08:46:34,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-17 08:46:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.3288590604026846) internal successors, (198), 148 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 198 transitions. [2024-11-17 08:46:34,590 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-17 08:46:34,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:34,594 INFO L425 stractBuchiCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-17 08:46:34,594 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:34,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 198 transitions. [2024-11-17 08:46:34,596 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2024-11-17 08:46:34,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:34,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:34,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,597 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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 392#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 393#L125 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 455#L118 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; 461#L133 assume true;main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 465#L485 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 337#L461 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 338#L67 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 425#L345 [2024-11-17 08:46:34,597 INFO L747 eck$LassoCheckResult]: Loop: 425#L345 assume true; 450#L345-1 assume !false; 363#test_while_0_continue#1 assume true; 364#L347 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 404#L355 assume !(0 != test_~tmp~4#1); 405#L363 havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 432#L365 assume !(0 != test_~tmp___0~2#1); 433#L373 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 365#L375 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 366#L328 assume true;assume { :end_inline_startSystem } true; 428#L390 assume { :begin_inline_timeShift } true; 463#L153-2 assume !(0 != ~pumpRunning~0); 395#L160-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 449#L211-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 441#L185-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 442#L177-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 340#L203-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 360#L229-2 assume true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 355#L168-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 356#L543-4 assume true;__utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 409#L78-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 381#L96-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 382#L170-2 assume true;assume { :end_inline_timeShift } true; 425#L345 [2024-11-17 08:46:34,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,598 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 2 times [2024-11-17 08:46:34,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441920338] [2024-11-17 08:46:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:34,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,613 INFO L85 PathProgramCache]: Analyzing trace with hash 2138417580, now seen corresponding path program 1 times [2024-11-17 08:46:34,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400530410] [2024-11-17 08:46:34,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:34,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400530410] [2024-11-17 08:46:34,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400530410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:34,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:34,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:34,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951256651] [2024-11-17 08:46:34,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:34,632 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:34,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:34,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:34,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:34,633 INFO L87 Difference]: Start difference. First operand 149 states and 198 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:34,705 INFO L93 Difference]: Finished difference Result 209 states and 268 transitions. [2024-11-17 08:46:34,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 268 transitions. [2024-11-17 08:46:34,707 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2024-11-17 08:46:34,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 209 states and 268 transitions. [2024-11-17 08:46:34,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 209 [2024-11-17 08:46:34,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 209 [2024-11-17 08:46:34,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 268 transitions. [2024-11-17 08:46:34,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:34,717 INFO L218 hiAutomatonCegarLoop]: Abstraction has 209 states and 268 transitions. [2024-11-17 08:46:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 268 transitions. [2024-11-17 08:46:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-17 08:46:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 209 states have (on average 1.2822966507177034) internal successors, (268), 208 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 268 transitions. [2024-11-17 08:46:34,729 INFO L240 hiAutomatonCegarLoop]: Abstraction has 209 states and 268 transitions. [2024-11-17 08:46:34,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:34,730 INFO L425 stractBuchiCegarLoop]: Abstraction has 209 states and 268 transitions. [2024-11-17 08:46:34,730 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:46:34,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 268 transitions. [2024-11-17 08:46:34,731 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2024-11-17 08:46:34,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:34,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:34,732 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,732 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,732 INFO L745 eck$LassoCheckResult]: Stem: 854#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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 757#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 758#L125 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 826#L118 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; 833#L133 assume true;main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 838#L485 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 701#L461 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 702#L67 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 787#L345 [2024-11-17 08:46:34,733 INFO L747 eck$LassoCheckResult]: Loop: 787#L345 assume true; 821#L345-1 assume !false; 729#test_while_0_continue#1 assume true; 730#L347 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 766#L355 assume !(0 != test_~tmp~4#1); 767#L363 havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 798#L365 assume !(0 != test_~tmp___0~2#1); 799#L373 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 726#L375 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 727#L328 assume true;assume { :end_inline_startSystem } true; 834#L390 assume { :begin_inline_timeShift } true; 835#L153-2 assume !(0 != ~pumpRunning~0); 819#L160-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 820#L211-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 810#L185-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret18#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 783#L583-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 739#L588-5 assume true;isHighWaterLevel_#t~ret18#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret18#1;havoc isHighWaterLevel_#t~ret18#1; 740#L313-5 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0; 769#L318-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 846#L319-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret7#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret18#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret7#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1; 850#L189-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 703#L177-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 704#L203-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 723#L229-2 assume true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 718#L168-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 719#L543-4 assume true;__utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 771#L78-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 744#L96-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 745#L170-2 assume true;assume { :end_inline_timeShift } true; 787#L345 [2024-11-17 08:46:34,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,735 INFO L85 PathProgramCache]: Analyzing trace with hash 74123546, now seen corresponding path program 3 times [2024-11-17 08:46:34,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767597741] [2024-11-17 08:46:34,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:34,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash 762783253, now seen corresponding path program 1 times [2024-11-17 08:46:34,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473075345] [2024-11-17 08:46:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:34,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,791 INFO L85 PathProgramCache]: Analyzing trace with hash -2016313444, now seen corresponding path program 1 times [2024-11-17 08:46:34,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741025137] [2024-11-17 08:46:34,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:34,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:35 BoogieIcfgContainer [2024-11-17 08:46:35,561 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:35,561 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:35,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:35,561 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:35,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:34" (3/4) ... [2024-11-17 08:46:35,563 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:35,606 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:35,606 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:35,607 INFO L158 Benchmark]: Toolchain (without parser) took 2575.98ms. Allocated memory is still 178.3MB. Free memory was 109.7MB in the beginning and 59.6MB in the end (delta: 50.1MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-17 08:46:35,607 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:35,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.35ms. Allocated memory is still 178.3MB. Free memory was 109.5MB in the beginning and 143.7MB in the end (delta: -34.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-17 08:46:35,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.25ms. Allocated memory is still 178.3MB. Free memory was 143.5MB in the beginning and 140.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:35,607 INFO L158 Benchmark]: Boogie Preprocessor took 56.06ms. Allocated memory is still 178.3MB. Free memory was 140.2MB in the beginning and 137.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:35,608 INFO L158 Benchmark]: IcfgBuilder took 510.35ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 105.9MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-17 08:46:35,608 INFO L158 Benchmark]: BuchiAutomizer took 1544.84ms. Allocated memory is still 178.3MB. Free memory was 105.8MB in the beginning and 62.8MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-17 08:46:35,610 INFO L158 Benchmark]: Witness Printer took 44.79ms. Allocated memory is still 178.3MB. Free memory was 62.8MB in the beginning and 59.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:35,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.35ms. Allocated memory is still 178.3MB. Free memory was 109.5MB in the beginning and 143.7MB in the end (delta: -34.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.25ms. Allocated memory is still 178.3MB. Free memory was 143.5MB in the beginning and 140.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.06ms. Allocated memory is still 178.3MB. Free memory was 140.2MB in the beginning and 137.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 510.35ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 105.9MB in the end (delta: 31.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1544.84ms. Allocated memory is still 178.3MB. Free memory was 105.8MB in the beginning and 62.8MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 44.79ms. Allocated memory is still 178.3MB. Free memory was 62.8MB in the beginning and 59.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [58] - GenericResultAtLocation [Line: 99]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [99] - GenericResultAtLocation [Line: 137]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [137] - GenericResultAtLocation [Line: 331]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [331] - GenericResultAtLocation [Line: 401]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [401] - GenericResultAtLocation [Line: 498]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [498] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] * 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 209 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 329 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 329 mSDsluCounter, 497 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 403 mSDtfsCounter, 33 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: 345]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int methAndRunningLastTime ; [L146] int pumpRunning = 0; [L147] int systemActive = 1; [L402] int cleanupTimeShifts = 4; [L500] int waterLevel = 1; [L501] int methaneLevelCritical = 0; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] int retValue_acc ; [L477] int tmp ; [L481] FCALL select_helpers() [L482] FCALL select_features() [L483] CALL, EXPR valid_product() [L129] int retValue_acc ; [L132] retValue_acc = 1 [L133] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L483] RET, EXPR valid_product() [L483] tmp = valid_product() [L485] COND TRUE \read(tmp) [L487] FCALL setup() [L488] CALL runTest() [L469] CALL __utac_acc__Specification2_spec__1() [L66] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] RET __utac_acc__Specification2_spec__1() [L470] CALL test() [L336] int splverifierCounter ; [L337] int tmp ; [L338] int tmp___0 ; [L339] int tmp___1 ; [L340] int tmp___2 ; [L343] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L345] COND TRUE 1 [L347] COND TRUE splverifierCounter < 4 [L353] tmp = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp)) [L363] tmp___0 = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp___0)) [L373] tmp___2 = __VERIFIER_nondet_int() [L375] COND TRUE \read(tmp___2) [L377] CALL startSystem() [L327] systemActive = 1 [L377] RET startSystem() [L390] CALL timeShift() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] CALL processEnvironment() [L208] int tmp ; [L211] COND FALSE !(\read(pumpRunning)) [L226] CALL processEnvironment__wrappee__highWaterSensor() [L182] int tmp ; [L185] COND TRUE ! pumpRunning [L187] CALL, EXPR isHighWaterLevel() [L305] int retValue_acc ; [L306] int tmp ; [L307] int tmp___0 ; [L311] CALL, EXPR isHighWaterSensorDry() [L580] int retValue_acc ; [L583] COND TRUE waterLevel < 2 [L584] retValue_acc = 1 [L585] return (retValue_acc); [L311] RET, EXPR isHighWaterSensorDry() [L311] tmp = isHighWaterSensorDry() [L313] COND TRUE \read(tmp) [L314] tmp___0 = 0 [L318] retValue_acc = tmp___0 [L319] return (retValue_acc); [L187] RET, EXPR isHighWaterLevel() [L187] tmp = isHighWaterLevel() [L189] COND FALSE !(\read(tmp)) [L195] FCALL processEnvironment__wrappee__base() [L226] RET processEnvironment__wrappee__highWaterSensor() [L162] RET processEnvironment() [L168] CALL __utac_acc__Specification2_spec__2() [L71] int tmp ; [L72] int tmp___0 ; [L76] CALL, EXPR isMethaneLevelCritical() [L539] int retValue_acc ; [L542] retValue_acc = methaneLevelCritical [L543] return (retValue_acc); [L76] RET, EXPR isMethaneLevelCritical() [L76] tmp = isMethaneLevelCritical() [L78] COND FALSE !(\read(tmp)) [L94] methAndRunningLastTime = 0 [L168] RET __utac_acc__Specification2_spec__2() [L390] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 345]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int methAndRunningLastTime ; [L146] int pumpRunning = 0; [L147] int systemActive = 1; [L402] int cleanupTimeShifts = 4; [L500] int waterLevel = 1; [L501] int methaneLevelCritical = 0; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] int retValue_acc ; [L477] int tmp ; [L481] FCALL select_helpers() [L482] FCALL select_features() [L483] CALL, EXPR valid_product() [L129] int retValue_acc ; [L132] retValue_acc = 1 [L133] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L483] RET, EXPR valid_product() [L483] tmp = valid_product() [L485] COND TRUE \read(tmp) [L487] FCALL setup() [L488] CALL runTest() [L469] CALL __utac_acc__Specification2_spec__1() [L66] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] RET __utac_acc__Specification2_spec__1() [L470] CALL test() [L336] int splverifierCounter ; [L337] int tmp ; [L338] int tmp___0 ; [L339] int tmp___1 ; [L340] int tmp___2 ; [L343] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L345] COND TRUE 1 [L347] COND TRUE splverifierCounter < 4 [L353] tmp = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp)) [L363] tmp___0 = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp___0)) [L373] tmp___2 = __VERIFIER_nondet_int() [L375] COND TRUE \read(tmp___2) [L377] CALL startSystem() [L327] systemActive = 1 [L377] RET startSystem() [L390] CALL timeShift() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] CALL processEnvironment() [L208] int tmp ; [L211] COND FALSE !(\read(pumpRunning)) [L226] CALL processEnvironment__wrappee__highWaterSensor() [L182] int tmp ; [L185] COND TRUE ! pumpRunning [L187] CALL, EXPR isHighWaterLevel() [L305] int retValue_acc ; [L306] int tmp ; [L307] int tmp___0 ; [L311] CALL, EXPR isHighWaterSensorDry() [L580] int retValue_acc ; [L583] COND TRUE waterLevel < 2 [L584] retValue_acc = 1 [L585] return (retValue_acc); [L311] RET, EXPR isHighWaterSensorDry() [L311] tmp = isHighWaterSensorDry() [L313] COND TRUE \read(tmp) [L314] tmp___0 = 0 [L318] retValue_acc = tmp___0 [L319] return (retValue_acc); [L187] RET, EXPR isHighWaterLevel() [L187] tmp = isHighWaterLevel() [L189] COND FALSE !(\read(tmp)) [L195] FCALL processEnvironment__wrappee__base() [L226] RET processEnvironment__wrappee__highWaterSensor() [L162] RET processEnvironment() [L168] CALL __utac_acc__Specification2_spec__2() [L71] int tmp ; [L72] int tmp___0 ; [L76] CALL, EXPR isMethaneLevelCritical() [L539] int retValue_acc ; [L542] retValue_acc = methaneLevelCritical [L543] return (retValue_acc); [L76] RET, EXPR isMethaneLevelCritical() [L76] tmp = isMethaneLevelCritical() [L78] COND FALSE !(\read(tmp)) [L94] methAndRunningLastTime = 0 [L168] RET __utac_acc__Specification2_spec__2() [L390] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:35,643 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)