./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product15.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 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:47:42,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:47:42,789 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:47:42,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:47:42,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:47:42,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:47:42,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:47:42,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:47:42,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:47:42,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:47:42,822 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:47:42,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:47:42,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:47:42,825 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:47:42,826 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:47:42,826 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:47:42,826 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:47:42,826 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:47:42,827 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:47:42,827 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:47:42,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:47:42,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:47:42,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:47:42,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:47:42,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:47:42,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:47:42,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:47:42,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:47:42,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:47:42,832 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:47:42,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:47:42,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:47:42,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:47:42,833 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:47:42,833 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:47:42,834 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:47:42,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:47:42,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:47:42,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:47:42,836 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:47:42,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda [2024-11-17 08:47:43,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:47:43,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:47:43,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:47:43,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:47:43,118 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:47:43,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2024-11-17 08:47:44,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:47:44,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:47:44,926 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2024-11-17 08:47:44,941 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00521fd9/1a964b7e8087417199b420661a13bc8d/FLAGb2daf8497 [2024-11-17 08:47:45,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00521fd9/1a964b7e8087417199b420661a13bc8d [2024-11-17 08:47:45,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:47:45,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:47:45,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:45,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:47:45,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:47:45,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7703a65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45, skipping insertion in model container [2024-11-17 08:47:45,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:47:45,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:45,593 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:47:45,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-17 08:47:45,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-17 08:47:45,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2024-11-17 08:47:45,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] [2024-11-17 08:47:45,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] [2024-11-17 08:47:45,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] [2024-11-17 08:47:45,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] [2024-11-17 08:47:45,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] [2024-11-17 08:47:45,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:47:45,747 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:47:45,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45 WrapperNode [2024-11-17 08:47:45,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:47:45,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:45,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:47:45,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:47:45,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,825 INFO L138 Inliner]: procedures = 52, calls = 97, calls flagged for inlining = 50, calls inlined = 52, statements flattened = 314 [2024-11-17 08:47:45,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:47:45,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:47:45,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:47:45,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:47:45,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,855 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:47:45,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,864 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:47:45,874 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:47:45,874 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:47:45,874 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:47:45,875 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (1/1) ... [2024-11-17 08:47:45,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:47:45,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:47:45,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:47:45,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:47:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:47:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:47:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:47:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:47:46,037 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:47:46,039 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:47:46,303 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:47:46,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:47:46,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L278-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~2#1; [2024-11-17 08:47:46,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L881-1: main_#res#1 := main_~retValue_acc~9#1; [2024-11-17 08:47:46,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:47:46,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:47:46,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L287-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:47:46,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L785-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:47:46,304 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L785-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:47:46,305 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L785-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; [2024-11-17 08:47:46,305 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-17 08:47:46,305 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:47:46,305 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:47:46,305 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L753-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; [2024-11-17 08:47:46,327 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-17 08:47:46,327 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:47:46,344 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:47:46,344 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:47:46,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:46 BoogieIcfgContainer [2024-11-17 08:47:46,345 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:47:46,346 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:47:46,346 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:47:46,350 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:47:46,350 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:46,350 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:47:45" (1/3) ... [2024-11-17 08:47:46,351 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a6ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:46, skipping insertion in model container [2024-11-17 08:47:46,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:46,352 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:47:45" (2/3) ... [2024-11-17 08:47:46,352 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a6ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:47:46, skipping insertion in model container [2024-11-17 08:47:46,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:47:46,352 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:46" (3/3) ... [2024-11-17 08:47:46,353 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2024-11-17 08:47:46,405 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:47:46,405 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:47:46,405 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:47:46,405 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:47:46,406 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:47:46,406 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:47:46,406 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:47:46,406 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:47:46,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 104 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:46,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-17 08:47:46,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:46,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:46,450 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:46,450 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:46,451 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:47:46,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 104 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:46,460 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2024-11-17 08:47:46,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:46,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:46,464 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:46,464 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:46,470 INFO L745 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 23#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#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; 48#L75true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 100#L68true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 18#L83true assume true;main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 81#L871true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 33#L848true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 41#L112true [2024-11-17 08:47:46,471 INFO L747 eck$LassoCheckResult]: Loop: 41#L112true assume true; 56#L112-1true assume !false; 15#test_while_0_continue#1true assume true; 42#L114true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 34#L122true assume !(0 != test_~tmp~0#1); 44#L130true havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 101#L132true assume !(0 != test_~tmp___0~0#1); 43#L140true havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 82#L142true assume 0 != test_~tmp___2~0#1; 7#L157true assume { :begin_inline_timeShift } true; 65#L184-2true assume !(0 != ~pumpRunning~0); 61#L191-2true assume !(0 != ~systemActive~0); 88#L199-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 52#L784-2true assume true;__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 80#L893-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 104#L907-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 92#L201-2true assume true;assume { :end_inline_timeShift } true; 41#L112true [2024-11-17 08:47:46,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:46,479 INFO L85 PathProgramCache]: Analyzing trace with hash 689872754, now seen corresponding path program 1 times [2024-11-17 08:47:46,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:46,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187995436] [2024-11-17 08:47:46,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:46,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:46,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:46,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash 659882728, now seen corresponding path program 1 times [2024-11-17 08:47:46,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:46,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193159050] [2024-11-17 08:47:46,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:46,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:46,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:46,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:46,644 INFO L85 PathProgramCache]: Analyzing trace with hash -36891753, now seen corresponding path program 1 times [2024-11-17 08:47:46,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:46,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785934296] [2024-11-17 08:47:46,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:46,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:47:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:47:46,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:47:46,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785934296] [2024-11-17 08:47:46,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785934296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:47:46,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:47:46,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 08:47:46,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534366644] [2024-11-17 08:47:46,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:47:46,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:47:46,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:47:46,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:47:46,868 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 104 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2024-11-17 08:47:46,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:47:46,919 INFO L93 Difference]: Finished difference Result 190 states and 240 transitions. [2024-11-17 08:47:46,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 240 transitions. [2024-11-17 08:47:46,928 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 118 [2024-11-17 08:47:46,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 168 states and 217 transitions. [2024-11-17 08:47:46,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 168 [2024-11-17 08:47:46,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 168 [2024-11-17 08:47:46,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 168 states and 217 transitions. [2024-11-17 08:47:46,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:47:46,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 168 states and 217 transitions. [2024-11-17 08:47:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states and 217 transitions. [2024-11-17 08:47:46,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2024-11-17 08:47:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 165 states have (on average 1.290909090909091) internal successors, (213), 164 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:47:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 213 transitions. [2024-11-17 08:47:46,980 INFO L240 hiAutomatonCegarLoop]: Abstraction has 165 states and 213 transitions. [2024-11-17 08:47:46,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:47:46,989 INFO L425 stractBuchiCegarLoop]: Abstraction has 165 states and 213 transitions. [2024-11-17 08:47:46,990 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:47:46,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 213 transitions. [2024-11-17 08:47:46,994 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 118 [2024-11-17 08:47:46,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:47:46,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:47:46,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:47:46,995 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] [2024-11-17 08:47:46,995 INFO L745 eck$LassoCheckResult]: Stem: 395#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 365#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#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; 366#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 400#L68 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 355#L83 assume true;main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 356#L871 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 371#L848 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 388#L112 [2024-11-17 08:47:46,995 INFO L747 eck$LassoCheckResult]: Loop: 388#L112 assume true; 429#L112-1 assume !false; 428#test_while_0_continue#1 assume true; 427#L114 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 424#L122 assume !(0 != test_~tmp~0#1); 423#L130 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 405#L132 assume !(0 != test_~tmp___0~0#1); 374#L140 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 370#L142 assume 0 != test_~tmp___2~0#1; 322#L157 assume { :begin_inline_timeShift } true; 323#L184-2 assume !(0 != ~pumpRunning~0); 316#L191-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 317#L216-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 440#L208-5 assume true;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 437#L234-2 assume true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 436#L199-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 435#L784-2 assume true;__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 433#L893-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 431#L907-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 430#L201-2 assume true;assume { :end_inline_timeShift } true; 388#L112 [2024-11-17 08:47:46,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:46,996 INFO L85 PathProgramCache]: Analyzing trace with hash 689872754, now seen corresponding path program 2 times [2024-11-17 08:47:46,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:46,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640698410] [2024-11-17 08:47:46,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:46,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:47,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:47,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:47,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:47,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1044212923, now seen corresponding path program 1 times [2024-11-17 08:47:47,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:47,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487306278] [2024-11-17 08:47:47,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:47,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:47,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:47,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:47,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:47:47,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1012591020, now seen corresponding path program 1 times [2024-11-17 08:47:47,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:47:47,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007784633] [2024-11-17 08:47:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:47:47,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:47:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:47,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:47,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:47:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:47,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:47:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:47:48,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:47:48 BoogieIcfgContainer [2024-11-17 08:47:48,011 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:47:48,012 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:47:48,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:47:48,015 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:47:48,016 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:47:46" (3/4) ... [2024-11-17 08:47:48,017 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:47:48,075 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:47:48,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:47:48,078 INFO L158 Benchmark]: Toolchain (without parser) took 2825.23ms. Allocated memory is still 180.4MB. Free memory was 111.5MB in the beginning and 60.7MB in the end (delta: 50.8MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-11-17 08:47:48,078 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:47:48,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.58ms. Allocated memory is still 180.4MB. Free memory was 111.3MB in the beginning and 151.0MB in the end (delta: -39.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-17 08:47:48,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.60ms. Allocated memory is still 180.4MB. Free memory was 151.0MB in the beginning and 149.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:47:48,080 INFO L158 Benchmark]: Boogie Preprocessor took 47.13ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 146.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:47:48,080 INFO L158 Benchmark]: IcfgBuilder took 471.53ms. Allocated memory is still 180.4MB. Free memory was 146.8MB in the beginning and 124.9MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 08:47:48,080 INFO L158 Benchmark]: BuchiAutomizer took 1665.41ms. Allocated memory is still 180.4MB. Free memory was 124.9MB in the beginning and 63.8MB in the end (delta: 61.1MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-11-17 08:47:48,081 INFO L158 Benchmark]: Witness Printer took 65.65ms. Allocated memory is still 180.4MB. Free memory was 62.8MB in the beginning and 60.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:47:48,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.58ms. Allocated memory is still 180.4MB. Free memory was 111.3MB in the beginning and 151.0MB in the end (delta: -39.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.60ms. Allocated memory is still 180.4MB. Free memory was 151.0MB in the beginning and 149.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.13ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 146.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 471.53ms. Allocated memory is still 180.4MB. Free memory was 146.8MB in the beginning and 124.9MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1665.41ms. Allocated memory is still 180.4MB. Free memory was 124.9MB in the beginning and 63.8MB in the end (delta: 61.1MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Witness Printer took 65.65ms. Allocated memory is still 180.4MB. Free memory was 62.8MB in the beginning and 60.7MB 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 165 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 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, 103 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 111 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 123 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 112]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int waterLevel = 1; [L710] int methaneLevelCritical = 0; [L789] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L863] int tmp ; [L867] FCALL select_helpers() [L868] FCALL select_features() [L869] 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] [L869] RET, EXPR valid_product() [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L873] FCALL setup() [L874] CALL runTest() [L856] CALL test() [L103] int splverifierCounter ; [L104] int tmp ; [L105] int tmp___0 ; [L106] int tmp___1 ; [L107] int tmp___2 ; [L110] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L112] COND TRUE 1 [L114] COND TRUE splverifierCounter < 4 [L120] tmp = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp)) [L130] tmp___0 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___0)) [L140] tmp___2 = __VERIFIER_nondet_int() [L142] COND TRUE \read(tmp___2) [L157] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] FCALL processEnvironment__wrappee__methaneQuery() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification4_spec__1() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L780] int retValue_acc ; [L783] retValue_acc = waterLevel [L784] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND FALSE !(tmp == 0) [L199] RET __utac_acc__Specification4_spec__1() [L157] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 112]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int waterLevel = 1; [L710] int methaneLevelCritical = 0; [L789] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L863] int tmp ; [L867] FCALL select_helpers() [L868] FCALL select_features() [L869] 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] [L869] RET, EXPR valid_product() [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L873] FCALL setup() [L874] CALL runTest() [L856] CALL test() [L103] int splverifierCounter ; [L104] int tmp ; [L105] int tmp___0 ; [L106] int tmp___1 ; [L107] int tmp___2 ; [L110] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L112] COND TRUE 1 [L114] COND TRUE splverifierCounter < 4 [L120] tmp = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp)) [L130] tmp___0 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___0)) [L140] tmp___2 = __VERIFIER_nondet_int() [L142] COND TRUE \read(tmp___2) [L157] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] FCALL processEnvironment__wrappee__methaneQuery() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification4_spec__1() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L780] int retValue_acc ; [L783] retValue_acc = waterLevel [L784] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND FALSE !(tmp == 0) [L199] RET __utac_acc__Specification4_spec__1() [L157] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:47:48,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)