./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_product59.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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:13:34,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:13:34,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:13:34,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:13:34,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:13:34,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:13:34,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:13:34,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:13:34,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:13:34,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:13:34,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:13:34,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:13:34,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:13:34,914 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:13:34,918 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:13:34,918 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:13:34,919 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:13:34,919 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:13:34,919 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:13:34,919 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:13:34,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:13:34,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:13:34,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:13:34,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:13:34,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:13:34,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:13:34,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:13:34,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:13:34,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:13:34,921 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:13:34,921 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:13:34,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:13:34,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:13:34,922 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:13:34,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:13:34,922 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:13:34,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:13:34,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:13:34,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:13:34,925 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:13:34,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2024-11-10 23:13:35,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:13:35,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:13:35,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:13:35,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:13:35,207 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:13:35,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2024-11-10 23:13:36,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:13:36,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:13:36,910 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2024-11-10 23:13:36,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ad1846a3/6804364a27104488bf3bb896a18fdb85/FLAG2f0ad00b9 [2024-11-10 23:13:36,947 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ad1846a3/6804364a27104488bf3bb896a18fdb85 [2024-11-10 23:13:36,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:13:36,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:13:36,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:36,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:13:36,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:13:36,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:36" (1/1) ... [2024-11-10 23:13:36,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d74e008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:36, skipping insertion in model container [2024-11-10 23:13:36,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:13:36" (1/1) ... [2024-11-10 23:13:37,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:13:37,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:37,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:13:37,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-10 23:13:37,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [160] [2024-11-10 23:13:37,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] [2024-11-10 23:13:37,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [197] [2024-11-10 23:13:37,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [267] [2024-11-10 23:13:37,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [500] [2024-11-10 23:13:37,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [866] [2024-11-10 23:13:37,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [904] [2024-11-10 23:13:37,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:13:37,468 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:13:37,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37 WrapperNode [2024-11-10 23:13:37,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:13:37,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:37,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:13:37,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:13:37,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,564 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 56, calls inlined = 100, statements flattened = 680 [2024-11-10 23:13:37,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:13:37,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:13:37,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:13:37,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:13:37,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,602 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 23:13:37,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,619 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:13:37,633 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:13:37,634 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:13:37,635 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:13:37,636 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (1/1) ... [2024-11-10 23:13:37,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:13:37,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:13:37,675 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 23:13:37,678 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 23:13:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:13:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:13:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:13:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:13:37,815 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:13:37,817 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:13:38,294 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L399-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:38,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L399-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:38,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L399-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:38,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L399-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:38,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L399-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:38,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L399-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~4#1; [2024-11-10 23:13:38,295 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L482-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:38,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L482-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:38,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L482-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~7#1; [2024-11-10 23:13:38,296 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L102-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2024-11-10 23:13:38,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L997-1: main_#res#1 := main_~retValue_acc~13#1; [2024-11-10 23:13:38,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:38,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:38,297 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L157-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~3#1; [2024-11-10 23:13:38,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L901-1: valid_product_#res#1 := valid_product_~retValue_acc~12#1; [2024-11-10 23:13:38,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:38,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:38,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L408-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; [2024-11-10 23:13:38,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:38,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:38,298 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:38,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:38,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:38,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; [2024-11-10 23:13:38,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:38,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:38,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:38,299 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:38,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:38,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L463-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; [2024-11-10 23:13:38,331 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-10 23:13:38,332 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:13:38,351 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:13:38,351 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:13:38,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:38 BoogieIcfgContainer [2024-11-10 23:13:38,352 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:13:38,353 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:13:38,353 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:13:38,357 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:13:38,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:38,358 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:13:36" (1/3) ... [2024-11-10 23:13:38,359 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@203af55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:38, skipping insertion in model container [2024-11-10 23:13:38,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:38,359 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:13:37" (2/3) ... [2024-11-10 23:13:38,361 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@203af55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:13:38, skipping insertion in model container [2024-11-10 23:13:38,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:13:38,361 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:38" (3/3) ... [2024-11-10 23:13:38,362 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2024-11-10 23:13:38,424 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:13:38,425 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:13:38,425 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:13:38,425 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:13:38,425 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:13:38,425 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:13:38,425 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:13:38,426 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:13:38,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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 23:13:38,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2024-11-10 23:13:38,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:38,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:38,465 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:38,466 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 23:13:38,466 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:13:38,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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 23:13:38,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2024-11-10 23:13:38,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:38,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:38,482 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:38,482 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 23:13:38,487 INFO L745 eck$LassoCheckResult]: Stem: 179#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; 22#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 174#L892true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 38#L885true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 145#L900true assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 65#L987true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 47#L964true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 150#L211true [2024-11-10 23:13:38,488 INFO L747 eck$LassoCheckResult]: Loop: 150#L211true assume true; 158#L211-1true assume !false;assume true; 83#L213true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 144#L221true assume !(0 != test_~tmp~1#1); 190#L229true havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 54#L231true assume !(0 != test_~tmp___0~1#1); 117#L239true havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 23#L241true assume 0 != test_~tmp___2~0#1; 35#L256true assume { :begin_inline_timeShift } true; 94#L278-2true assume !(0 != ~pumpRunning~0); 17#L285-2true assume !(0 != ~systemActive~0); 93#L293-2true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 194#L101-6true assume true;__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 56#L171-2true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 32#L185-2true assume true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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; 25#L295-2true assume true;assume { :end_inline_timeShift } true; 150#L211true [2024-11-10 23:13:38,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:38,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1584744651, now seen corresponding path program 1 times [2024-11-10 23:13:38,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:38,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527570680] [2024-11-10 23:13:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:38,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:38,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:38,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:38,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1694045428, now seen corresponding path program 1 times [2024-11-10 23:13:38,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:38,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650289566] [2024-11-10 23:13:38,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:38,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:38,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:38,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:38,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:38,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2101943256, now seen corresponding path program 1 times [2024-11-10 23:13:38,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:38,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986256133] [2024-11-10 23:13:38,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:38,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:38,836 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 23:13:38,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:38,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986256133] [2024-11-10 23:13:38,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986256133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:38,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:38,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:13:38,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406649804] [2024-11-10 23:13:38,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:38,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:38,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:38,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:38,966 INFO L87 Difference]: Start difference. First operand has 193 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 192 states have internal predecessors, (260), 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 23:13:39,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:39,028 INFO L93 Difference]: Finished difference Result 366 states and 482 transitions. [2024-11-10 23:13:39,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 366 states and 482 transitions. [2024-11-10 23:13:39,037 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 234 [2024-11-10 23:13:39,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 366 states to 344 states and 459 transitions. [2024-11-10 23:13:39,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 344 [2024-11-10 23:13:39,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 344 [2024-11-10 23:13:39,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 344 states and 459 transitions. [2024-11-10 23:13:39,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:39,079 INFO L218 hiAutomatonCegarLoop]: Abstraction has 344 states and 459 transitions. [2024-11-10 23:13:39,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states and 459 transitions. [2024-11-10 23:13:39,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 341. [2024-11-10 23:13:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 341 states have (on average 1.3343108504398826) internal successors, (455), 340 states have internal predecessors, (455), 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 23:13:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 455 transitions. [2024-11-10 23:13:39,138 INFO L240 hiAutomatonCegarLoop]: Abstraction has 341 states and 455 transitions. [2024-11-10 23:13:39,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:39,143 INFO L425 stractBuchiCegarLoop]: Abstraction has 341 states and 455 transitions. [2024-11-10 23:13:39,143 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:13:39,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 341 states and 455 transitions. [2024-11-10 23:13:39,146 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 234 [2024-11-10 23:13:39,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:39,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:39,147 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:39,148 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 23:13:39,148 INFO L745 eck$LassoCheckResult]: Stem: 753#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; 645#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 646#L892 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 683#L885 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 684#L900 assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 724#L987 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 699#L964 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 700#L211 [2024-11-10 23:13:39,148 INFO L747 eck$LassoCheckResult]: Loop: 700#L211 assume true; 842#L211-1 assume !false;assume true; 840#L213 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 841#L221 assume !(0 != test_~tmp~1#1); 894#L229 havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 892#L231 assume !(0 != test_~tmp___0~1#1); 890#L239 havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 888#L241 assume 0 != test_~tmp___2~0#1; 885#L256 assume { :begin_inline_timeShift } true; 882#L278-2 assume !(0 != ~pumpRunning~0); 879#L285-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 876#L336-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 877#L310-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 858#L302-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 857#L328-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 854#L354-2 assume true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 853#L293-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 852#L101-6 assume true;__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 849#L171-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 846#L185-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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; 844#L295-2 assume true;assume { :end_inline_timeShift } true; 700#L211 [2024-11-10 23:13:39,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:39,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1584744651, now seen corresponding path program 2 times [2024-11-10 23:13:39,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:39,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616714759] [2024-11-10 23:13:39,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:39,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:39,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:39,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:39,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:39,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1958075620, now seen corresponding path program 1 times [2024-11-10 23:13:39,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:39,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822466199] [2024-11-10 23:13:39,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:39,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:13:39,192 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 23:13:39,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:13:39,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822466199] [2024-11-10 23:13:39,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822466199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:13:39,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:13:39,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:13:39,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971964839] [2024-11-10 23:13:39,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:13:39,193 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:13:39,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:13:39,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:13:39,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:13:39,194 INFO L87 Difference]: Start difference. First operand 341 states and 455 transitions. cyclomatic complexity: 118 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 23:13:39,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:13:39,287 INFO L93 Difference]: Finished difference Result 462 states and 593 transitions. [2024-11-10 23:13:39,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 462 states and 593 transitions. [2024-11-10 23:13:39,295 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 325 [2024-11-10 23:13:39,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 462 states to 462 states and 593 transitions. [2024-11-10 23:13:39,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 462 [2024-11-10 23:13:39,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 462 [2024-11-10 23:13:39,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 462 states and 593 transitions. [2024-11-10 23:13:39,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:13:39,301 INFO L218 hiAutomatonCegarLoop]: Abstraction has 462 states and 593 transitions. [2024-11-10 23:13:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states and 593 transitions. [2024-11-10 23:13:39,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-11-10 23:13:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 462 states have (on average 1.2835497835497836) internal successors, (593), 461 states have internal predecessors, (593), 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 23:13:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 593 transitions. [2024-11-10 23:13:39,329 INFO L240 hiAutomatonCegarLoop]: Abstraction has 462 states and 593 transitions. [2024-11-10 23:13:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:13:39,330 INFO L425 stractBuchiCegarLoop]: Abstraction has 462 states and 593 transitions. [2024-11-10 23:13:39,330 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:13:39,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 462 states and 593 transitions. [2024-11-10 23:13:39,333 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 325 [2024-11-10 23:13:39,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:13:39,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:13:39,336 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:13:39,337 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 23:13:39,337 INFO L745 eck$LassoCheckResult]: Stem: 1578#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; 1453#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 1454#L892 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1494#L885 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 1495#L900 assume true;main_#t~ret53#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 1534#L987 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 1511#L964 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1512#L211 [2024-11-10 23:13:39,338 INFO L747 eck$LassoCheckResult]: Loop: 1512#L211 assume true; 1547#L211-1 assume !false;assume true; 1654#L213 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet11#1;test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 1647#L221 assume !(0 != test_~tmp~1#1); 1643#L229 havoc test_#t~nondet12#1;test_~tmp___0~1#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1635#L231 assume !(0 != test_~tmp___0~1#1); 1633#L239 havoc test_#t~nondet13#1;test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1630#L241 assume 0 != test_~tmp___2~0#1; 1490#L256 assume { :begin_inline_timeShift } true; 1387#L278-2 assume !(0 != ~pumpRunning~0); 1388#L285-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1424#L336-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2#1; 1685#L310-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1686#L141-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1683#L146-5 assume true;isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1; 1681#L456-5 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1679#L461-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1677#L462-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret15#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2#1 := processEnvironment__wrappee__highWaterSensor_#t~ret15#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1; 1674#L314-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1675#L302-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1705#L328-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret15#1, processEnvironment__wrappee__highWaterSensor_~tmp~2#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1703#L354-2 assume true;havoc processEnvironment_#t~ret16#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true; 1702#L293-2 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1701#L101-6 assume true;__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 1699#L171-2 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 1697#L185-2 assume true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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; 1696#L295-2 assume true;assume { :end_inline_timeShift } true; 1512#L211 [2024-11-10 23:13:39,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:39,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1584744651, now seen corresponding path program 3 times [2024-11-10 23:13:39,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:39,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425201171] [2024-11-10 23:13:39,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:39,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:39,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:39,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:39,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:39,365 INFO L85 PathProgramCache]: Analyzing trace with hash -420631859, now seen corresponding path program 1 times [2024-11-10 23:13:39,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:39,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464323662] [2024-11-10 23:13:39,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:39,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:39,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:39,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:39,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:13:39,399 INFO L85 PathProgramCache]: Analyzing trace with hash -169995495, now seen corresponding path program 1 times [2024-11-10 23:13:39,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:13:39,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749905902] [2024-11-10 23:13:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:13:39,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:13:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:39,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:39,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:13:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:40,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:13:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:13:40,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:13:40 BoogieIcfgContainer [2024-11-10 23:13:40,406 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:13:40,407 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:13:40,407 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:13:40,407 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:13:40,408 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:13:38" (3/4) ... [2024-11-10 23:13:40,409 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:13:40,466 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:13:40,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:13:40,467 INFO L158 Benchmark]: Toolchain (without parser) took 3514.78ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 87.0MB in the beginning and 92.7MB in the end (delta: -5.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-10 23:13:40,468 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:13:40,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.67ms. Allocated memory is still 159.4MB. Free memory was 86.7MB in the beginning and 127.2MB in the end (delta: -40.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-10 23:13:40,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.16ms. Allocated memory is still 159.4MB. Free memory was 127.2MB in the beginning and 123.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:40,469 INFO L158 Benchmark]: Boogie Preprocessor took 65.58ms. Allocated memory is still 159.4MB. Free memory was 123.4MB in the beginning and 119.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:40,469 INFO L158 Benchmark]: IcfgBuilder took 718.31ms. Allocated memory is still 159.4MB. Free memory was 119.9MB in the beginning and 82.9MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-10 23:13:40,473 INFO L158 Benchmark]: BuchiAutomizer took 2053.38ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 82.2MB in the beginning and 94.8MB in the end (delta: -12.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-10 23:13:40,474 INFO L158 Benchmark]: Witness Printer took 59.85ms. Allocated memory is still 203.4MB. Free memory was 94.8MB in the beginning and 92.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:13:40,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.67ms. Allocated memory is still 159.4MB. Free memory was 86.7MB in the beginning and 127.2MB in the end (delta: -40.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.16ms. Allocated memory is still 159.4MB. Free memory was 127.2MB in the beginning and 123.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.58ms. Allocated memory is still 159.4MB. Free memory was 123.4MB in the beginning and 119.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 718.31ms. Allocated memory is still 159.4MB. Free memory was 119.9MB in the beginning and 82.9MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2053.38ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 82.2MB in the beginning and 94.8MB in the end (delta: -12.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 59.85ms. Allocated memory is still 203.4MB. Free memory was 94.8MB in the beginning and 92.7MB in the end (delta: 2.1MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 160]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [160] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [188] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [197] - GenericResultAtLocation [Line: 267]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [267] - GenericResultAtLocation [Line: 500]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [500] - GenericResultAtLocation [Line: 866]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [866] - GenericResultAtLocation [Line: 904]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [904] * 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 462 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s 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, 392 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 807 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 335 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 472 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: 211]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L271] int pumpRunning = 0; [L272] int systemActive = 1; [L670] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L905] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L978] int retValue_acc ; [L979] int tmp ; [L983] FCALL select_helpers() [L984] FCALL select_features() [L985] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L985] RET, EXPR valid_product() [L985] tmp = valid_product() [L987] COND TRUE \read(tmp) [L989] FCALL setup() [L990] CALL runTest() [L972] CALL test() [L202] int splverifierCounter ; [L203] int tmp ; [L204] int tmp___0 ; [L205] int tmp___1 ; [L206] int tmp___2 ; [L209] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L211] COND TRUE 1 [L213] COND TRUE splverifierCounter < 4 [L219] tmp = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp)) [L229] tmp___0 = __VERIFIER_nondet_int() [L231] COND FALSE !(\read(tmp___0)) [L239] tmp___2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp___2) [L256] CALL timeShift() [L278] COND FALSE !(\read(pumpRunning)) [L285] COND TRUE \read(systemActive) [L287] CALL processEnvironment() [L333] int tmp ; [L336] COND FALSE !(\read(pumpRunning)) [L351] CALL processEnvironment__wrappee__highWaterSensor() [L307] int tmp ; [L310] COND TRUE ! pumpRunning [L312] CALL, EXPR isHighWaterLevel() [L448] int retValue_acc ; [L449] int tmp ; [L450] int tmp___0 ; [L454] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L454] RET, EXPR isHighWaterSensorDry() [L454] tmp = isHighWaterSensorDry() [L456] COND TRUE \read(tmp) [L457] tmp___0 = 0 [L461] retValue_acc = tmp___0 [L462] return (retValue_acc); [L312] RET, EXPR isHighWaterLevel() [L312] tmp = isHighWaterLevel() [L314] COND FALSE !(\read(tmp)) [L320] FCALL processEnvironment__wrappee__base() [L351] RET processEnvironment__wrappee__highWaterSensor() [L287] RET processEnvironment() [L293] CALL __utac_acc__Specification1_spec__1() [L164] int tmp ; [L165] int tmp___0 ; [L169] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L169] RET, EXPR isMethaneLevelCritical() [L169] tmp = isMethaneLevelCritical() [L171] COND FALSE !(\read(tmp)) [L293] RET __utac_acc__Specification1_spec__1() [L256] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 211]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L271] int pumpRunning = 0; [L272] int systemActive = 1; [L670] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L905] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L978] int retValue_acc ; [L979] int tmp ; [L983] FCALL select_helpers() [L984] FCALL select_features() [L985] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L985] RET, EXPR valid_product() [L985] tmp = valid_product() [L987] COND TRUE \read(tmp) [L989] FCALL setup() [L990] CALL runTest() [L972] CALL test() [L202] int splverifierCounter ; [L203] int tmp ; [L204] int tmp___0 ; [L205] int tmp___1 ; [L206] int tmp___2 ; [L209] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L211] COND TRUE 1 [L213] COND TRUE splverifierCounter < 4 [L219] tmp = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp)) [L229] tmp___0 = __VERIFIER_nondet_int() [L231] COND FALSE !(\read(tmp___0)) [L239] tmp___2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp___2) [L256] CALL timeShift() [L278] COND FALSE !(\read(pumpRunning)) [L285] COND TRUE \read(systemActive) [L287] CALL processEnvironment() [L333] int tmp ; [L336] COND FALSE !(\read(pumpRunning)) [L351] CALL processEnvironment__wrappee__highWaterSensor() [L307] int tmp ; [L310] COND TRUE ! pumpRunning [L312] CALL, EXPR isHighWaterLevel() [L448] int retValue_acc ; [L449] int tmp ; [L450] int tmp___0 ; [L454] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L454] RET, EXPR isHighWaterSensorDry() [L454] tmp = isHighWaterSensorDry() [L456] COND TRUE \read(tmp) [L457] tmp___0 = 0 [L461] retValue_acc = tmp___0 [L462] return (retValue_acc); [L312] RET, EXPR isHighWaterLevel() [L312] tmp = isHighWaterLevel() [L314] COND FALSE !(\read(tmp)) [L320] FCALL processEnvironment__wrappee__base() [L351] RET processEnvironment__wrappee__highWaterSensor() [L287] RET processEnvironment() [L293] CALL __utac_acc__Specification1_spec__1() [L164] int tmp ; [L165] int tmp___0 ; [L169] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L169] RET, EXPR isMethaneLevelCritical() [L169] tmp = isMethaneLevelCritical() [L171] COND FALSE !(\read(tmp)) [L293] RET __utac_acc__Specification1_spec__1() [L256] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:13:40,511 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)