./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 00ac86131dc0e0af1cc82efd839ee9faae2b8444f182d9d05eed34c82369a7f5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:45:39,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:45:39,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:45:39,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:45:39,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:45:39,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:45:39,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:45:39,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:45:39,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:45:39,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:45:39,483 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:45:39,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:45:39,484 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:45:39,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:45:39,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:45:39,485 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:45:39,485 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:45:39,485 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:45:39,485 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:45:39,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:45:39,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:45:39,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:45:39,485 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:45:39,485 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> 00ac86131dc0e0af1cc82efd839ee9faae2b8444f182d9d05eed34c82369a7f5 [2025-02-06 19:45:39,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:45:39,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:45:39,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:45:39,858 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:45:39,859 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:45:39,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2025-02-06 19:45:41,023 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a91184a22/f2689d32bda849d79c6c9adac99e012e/FLAGfad30a4d0 [2025-02-06 19:45:41,316 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:45:41,317 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2025-02-06 19:45:41,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a91184a22/f2689d32bda849d79c6c9adac99e012e/FLAGfad30a4d0 [2025-02-06 19:45:41,335 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a91184a22/f2689d32bda849d79c6c9adac99e012e [2025-02-06 19:45:41,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:45:41,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:45:41,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:45:41,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:45:41,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:45:41,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9b8e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41, skipping insertion in model container [2025-02-06 19:45:41,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:45:41,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:45:41,542 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:45:41,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2025-02-06 19:45:41,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2025-02-06 19:45:41,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [173] [2025-02-06 19:45:41,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] [2025-02-06 19:45:41,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] [2025-02-06 19:45:41,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [618] [2025-02-06 19:45:41,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [756] [2025-02-06 19:45:41,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [790] [2025-02-06 19:45:41,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:45:41,625 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:45:41,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41 WrapperNode [2025-02-06 19:45:41,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:45:41,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:45:41,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:45:41,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:45:41,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,662 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 46, calls inlined = 39, statements flattened = 258 [2025-02-06 19:45:41,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:45:41,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:45:41,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:45:41,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:45:41,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,676 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]. [2025-02-06 19:45:41,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,678 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:45:41,682 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:45:41,682 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:45:41,682 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:45:41,682 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (1/1) ... [2025-02-06 19:45:41,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:45:41,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:45:41,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:45:41,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:45:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:45:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:45:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:45:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:45:41,769 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:45:41,770 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L138-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L138-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L138-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L709-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L883-1: main_#res#1 := main_~retValue_acc~9#1; [2025-02-06 19:45:41,922 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2025-02-06 19:45:41,941 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2025-02-06 19:45:41,941 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:45:41,955 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:45:41,955 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:45:41,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:41 BoogieIcfgContainer [2025-02-06 19:45:41,955 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:45:41,956 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:45:41,956 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:45:41,964 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:45:41,969 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:41,969 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:45:41" (1/3) ... [2025-02-06 19:45:41,970 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17bf04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:45:41, skipping insertion in model container [2025-02-06 19:45:41,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:41,970 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:45:41" (2/3) ... [2025-02-06 19:45:41,970 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17bf04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:45:41, skipping insertion in model container [2025-02-06 19:45:41,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:45:41,970 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:41" (3/3) ... [2025-02-06 19:45:41,975 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2025-02-06 19:45:42,034 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:45:42,034 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:45:42,034 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:45:42,034 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:45:42,034 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:45:42,034 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:45:42,034 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:45:42,035 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:45:42,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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) [2025-02-06 19:45:42,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2025-02-06 19:45:42,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:42,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:42,058 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:42,058 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:42,059 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:45:42,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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) [2025-02-06 19:45:42,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2025-02-06 19:45:42,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:42,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:42,064 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:42,064 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:42,068 INFO L752 eck$LassoCheckResult]: Stem: "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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } 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;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:42,068 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret47#1;havoc __utac_acc__Specification3_spec__1_#t~ret47#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~5#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:42,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:42,072 INFO L85 PathProgramCache]: Analyzing trace with hash 536450275, now seen corresponding path program 1 times [2025-02-06 19:45:42,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:42,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451486506] [2025-02-06 19:45:42,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:42,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:42,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:45:42,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:45:42,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,153 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:42,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:45:42,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:45:42,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:42,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:42,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2091215670, now seen corresponding path program 1 times [2025-02-06 19:45:42,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:42,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007960786] [2025-02-06 19:45:42,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:42,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:42,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:45:42,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:45:42,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:45:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:45:42,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:45:42,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007960786] [2025-02-06 19:45:42,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007960786] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:45:42,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:45:42,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:45:42,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372438942] [2025-02-06 19:45:42,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:45:42,245 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:45:42,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:45:42,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:45:42,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:45:42,262 INFO L87 Difference]: Start difference. First operand has 83 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-02-06 19:45:42,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:45:42,281 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2025-02-06 19:45:42,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 97 transitions. [2025-02-06 19:45:42,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2025-02-06 19:45:42,286 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 67 states and 86 transitions. [2025-02-06 19:45:42,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2025-02-06 19:45:42,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2025-02-06 19:45:42,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2025-02-06 19:45:42,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:45:42,288 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2025-02-06 19:45:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2025-02-06 19:45:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2025-02-06 19:45:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 66 states have internal predecessors, (86), 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) [2025-02-06 19:45:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2025-02-06 19:45:42,308 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2025-02-06 19:45:42,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:45:42,311 INFO L432 stractBuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2025-02-06 19:45:42,312 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:45:42,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 86 transitions. [2025-02-06 19:45:42,314 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2025-02-06 19:45:42,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:42,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:42,316 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:42,316 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:42,316 INFO L752 eck$LassoCheckResult]: Stem: "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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } 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;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:42,317 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret47#1;havoc __utac_acc__Specification3_spec__1_#t~ret47#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~5#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:42,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:42,317 INFO L85 PathProgramCache]: Analyzing trace with hash 536450275, now seen corresponding path program 2 times [2025-02-06 19:45:42,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:42,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007123510] [2025-02-06 19:45:42,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:45:42,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:42,324 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:45:42,335 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:45:42,336 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:45:42,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,336 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:42,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:45:42,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:45:42,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:42,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:42,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1258308570, now seen corresponding path program 1 times [2025-02-06 19:45:42,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:42,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437950071] [2025-02-06 19:45:42,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:42,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:42,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:45:42,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:45:42,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,360 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:42,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 19:45:42,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 19:45:42,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:42,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:42,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1168787332, now seen corresponding path program 1 times [2025-02-06 19:45:42,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:42,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715181281] [2025-02-06 19:45:42,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:42,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:42,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 19:45:42,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 19:45:42,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:45:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:45:42,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:45:42,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715181281] [2025-02-06 19:45:42,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715181281] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:45:42,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:45:42,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 19:45:42,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627543642] [2025-02-06 19:45:42,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:45:42,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:45:42,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 19:45:42,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 19:45:42,645 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:45:42,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:45:42,705 INFO L93 Difference]: Finished difference Result 127 states and 161 transitions. [2025-02-06 19:45:42,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 127 states and 161 transitions. [2025-02-06 19:45:42,711 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2025-02-06 19:45:42,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 127 states to 127 states and 161 transitions. [2025-02-06 19:45:42,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 127 [2025-02-06 19:45:42,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 127 [2025-02-06 19:45:42,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 161 transitions. [2025-02-06 19:45:42,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:45:42,713 INFO L218 hiAutomatonCegarLoop]: Abstraction has 127 states and 161 transitions. [2025-02-06 19:45:42,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 161 transitions. [2025-02-06 19:45:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-02-06 19:45:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 1.2677165354330708) internal successors, (161), 126 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:45:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 161 transitions. [2025-02-06 19:45:42,725 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 161 transitions. [2025-02-06 19:45:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 19:45:42,727 INFO L432 stractBuchiCegarLoop]: Abstraction has 127 states and 161 transitions. [2025-02-06 19:45:42,727 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:45:42,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states and 161 transitions. [2025-02-06 19:45:42,731 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2025-02-06 19:45:42,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:45:42,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:45:42,731 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:45:42,731 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] [2025-02-06 19:45:42,732 INFO L752 eck$LassoCheckResult]: Stem: "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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } 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;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:45:42,732 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp~3#1);" "havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;" "assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~5#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification3_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~5#1 := __utac_acc__Specification3_spec__1_#t~ret47#1;havoc __utac_acc__Specification3_spec__1_#t~ret47#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret48#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret47#1, __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_~tmp~5#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:45:42,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:42,732 INFO L85 PathProgramCache]: Analyzing trace with hash 536450275, now seen corresponding path program 3 times [2025-02-06 19:45:42,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:42,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237415069] [2025-02-06 19:45:42,732 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:45:42,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:42,740 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:45:42,747 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:45:42,747 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:45:42,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,747 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:42,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:45:42,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:45:42,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:42,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:42,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1945752740, now seen corresponding path program 1 times [2025-02-06 19:45:42,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:42,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002306933] [2025-02-06 19:45:42,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:42,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:42,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:45:42,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:45:42,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,762 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:42,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:45:42,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:45:42,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:42,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:45:42,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2077294462, now seen corresponding path program 1 times [2025-02-06 19:45:42,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:45:42,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177403466] [2025-02-06 19:45:42,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:45:42,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:45:42,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 19:45:42,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 19:45:42,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,778 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:42,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 19:45:42,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 19:45:42,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:42,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:42,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:45:43,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:45:43,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:45:43,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:43,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:43,387 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:45:43,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:45:43,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:45:43,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:45:43,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:45:43,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:45:43 BoogieIcfgContainer [2025-02-06 19:45:43,436 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:45:43,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:45:43,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:45:43,436 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:45:43,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:45:41" (3/4) ... [2025-02-06 19:45:43,438 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:45:43,469 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:45:43,470 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:45:43,471 INFO L158 Benchmark]: Toolchain (without parser) took 2132.20ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 41.1MB in the end (delta: 64.2MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2025-02-06 19:45:43,471 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:43,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.66ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 86.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:45:43,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.60ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 85.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:43,473 INFO L158 Benchmark]: Boogie Preprocessor took 18.37ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 84.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:45:43,473 INFO L158 Benchmark]: IcfgBuilder took 273.76ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 65.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:45:43,473 INFO L158 Benchmark]: BuchiAutomizer took 1479.77ms. Allocated memory is still 142.6MB. Free memory was 65.7MB in the beginning and 44.8MB in the end (delta: 20.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2025-02-06 19:45:43,474 INFO L158 Benchmark]: Witness Printer took 33.44ms. Allocated memory is still 142.6MB. Free memory was 44.8MB in the beginning and 41.1MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:45:43,475 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.66ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 86.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.60ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 85.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.37ms. Allocated memory is still 142.6MB. Free memory was 85.3MB in the beginning and 84.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 273.76ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 65.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1479.77ms. Allocated memory is still 142.6MB. Free memory was 65.7MB in the beginning and 44.8MB in the end (delta: 20.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 33.44ms. Allocated memory is still 142.6MB. Free memory was 44.8MB in the beginning and 41.1MB in the end (delta: 3.7MB). There was no memory consumed. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [173] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [182] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] - GenericResultAtLocation [Line: 618]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [618] - GenericResultAtLocation [Line: 756]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [756] - GenericResultAtLocation [Line: 790]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [790] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 127 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 154 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 393 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 171 mSDtfsCounter, 43 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: 562]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L352] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L791] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] int retValue_acc ; [L865] int tmp ; [L869] FCALL select_helpers() [L870] FCALL select_features() [L871] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L871] RET, EXPR valid_product() [L871] tmp = valid_product() [L873] COND TRUE \read(tmp) [L875] FCALL setup() [L876] CALL runTest() [L858] CALL test() [L553] int splverifierCounter ; [L554] int tmp ; [L555] int tmp___0 ; [L556] int tmp___1 ; [L557] int tmp___2 ; [L560] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L562] COND TRUE 1 [L564] COND TRUE splverifierCounter < 4 [L570] tmp = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp)) [L580] tmp___0 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___0)) [L590] tmp___2 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___2) [L594] CALL startSystem() [L752] systemActive = 1 [L594] RET startSystem() [L607] CALL timeShift() [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L640] FCALL processEnvironment() [L646] CALL __utac_acc__Specification3_spec__1() [L758] int tmp ; [L759] int tmp___0 ; [L760] int tmp___1 ; [L764] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L764] RET, EXPR isMethaneLevelCritical() [L764] tmp = isMethaneLevelCritical() [L766] COND FALSE !(\read(tmp)) [L770] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L770] RET, EXPR getWaterLevel() [L770] tmp___0 = getWaterLevel() [L772] COND FALSE !(tmp___0 == 2) [L646] RET __utac_acc__Specification3_spec__1() [L607] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 562]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L352] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L791] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] int retValue_acc ; [L865] int tmp ; [L869] FCALL select_helpers() [L870] FCALL select_features() [L871] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L871] RET, EXPR valid_product() [L871] tmp = valid_product() [L873] COND TRUE \read(tmp) [L875] FCALL setup() [L876] CALL runTest() [L858] CALL test() [L553] int splverifierCounter ; [L554] int tmp ; [L555] int tmp___0 ; [L556] int tmp___1 ; [L557] int tmp___2 ; [L560] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L562] COND TRUE 1 [L564] COND TRUE splverifierCounter < 4 [L570] tmp = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp)) [L580] tmp___0 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___0)) [L590] tmp___2 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___2) [L594] CALL startSystem() [L752] systemActive = 1 [L594] RET startSystem() [L607] CALL timeShift() [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L640] FCALL processEnvironment() [L646] CALL __utac_acc__Specification3_spec__1() [L758] int tmp ; [L759] int tmp___0 ; [L760] int tmp___1 ; [L764] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L764] RET, EXPR isMethaneLevelCritical() [L764] tmp = isMethaneLevelCritical() [L766] COND FALSE !(\read(tmp)) [L770] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L770] RET, EXPR getWaterLevel() [L770] tmp___0 = getWaterLevel() [L772] COND FALSE !(tmp___0 == 2) [L646] RET __utac_acc__Specification3_spec__1() [L607] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:45:43,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)