./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product34.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 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:16:09,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:16:09,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:16:09,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:16:09,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:16:09,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:16:09,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:16:09,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:16:09,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:16:09,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:16:09,748 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:16:09,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:16:09,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:16:09,749 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:16:09,750 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:16:09,750 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:16:09,750 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:16:09,750 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:16:09,750 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:16:09,751 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:16:09,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:16:09,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:16:09,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:16:09,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:16:09,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:16:09,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:16:09,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:16:09,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:16:09,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:16:09,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:16:09,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:16:09,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:16:09,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:16:09,756 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:16:09,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:16:09,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:16:09,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:16:09,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:16:09,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:16:09,758 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:16:09,758 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7038cbd7079ed991c0d8924416f9d170b15a53536a052f3097e1f394171ef [2024-11-10 23:16:09,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:16:09,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:16:09,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:16:09,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:16:09,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:16:09,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2024-11-10 23:16:11,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:16:11,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:16:11,546 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2024-11-10 23:16:11,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e21b5d53/4b7575668f9d437fb25236cd1eb75e23/FLAG6a2f44a3c [2024-11-10 23:16:11,567 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e21b5d53/4b7575668f9d437fb25236cd1eb75e23 [2024-11-10 23:16:11,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:16:11,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:16:11,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:11,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:16:11,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:16:11,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4a9601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11, skipping insertion in model container [2024-11-10 23:16:11,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:16:11,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:11,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:16:11,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-10 23:16:11,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-10 23:16:11,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [96] [2024-11-10 23:16:11,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [462] [2024-11-10 23:16:11,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] [2024-11-10 23:16:11,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [633] [2024-11-10 23:16:11,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [802] [2024-11-10 23:16:11,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [851] [2024-11-10 23:16:11,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:16:11,964 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:16:11,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11 WrapperNode [2024-11-10 23:16:11,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:16:11,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:11,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:16:11,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:16:11,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:11,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,013 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 51, calls inlined = 58, statements flattened = 380 [2024-11-10 23:16:12,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:16:12,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:16:12,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:16:12,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:16:12,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,063 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 23:16:12,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,068 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:16:12,073 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:16:12,073 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:16:12,073 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:16:12,074 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (1/1) ... [2024-11-10 23:16:12,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:16:12,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:16:12,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 23:16:12,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 23:16:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:16:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:16:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:16:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:16:12,221 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:16:12,223 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:16:12,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L945-1: main_#res#1 := main_~retValue_acc~11#1; [2024-11-10 23:16:12,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:12,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:12,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:12,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:12,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:12,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L736-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2024-11-10 23:16:12,488 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L791-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L791-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L791-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L560-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~7#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L560-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~7#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L560-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~7#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L546-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L546-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L546-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; [2024-11-10 23:16:12,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L84-1: valid_product_#res#1 := valid_product_~retValue_acc~1#1; [2024-11-10 23:16:12,505 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-10 23:16:12,505 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:16:12,519 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:16:12,519 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:16:12,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:12 BoogieIcfgContainer [2024-11-10 23:16:12,520 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:16:12,520 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:16:12,521 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:16:12,524 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:16:12,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:12,524 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:16:11" (1/3) ... [2024-11-10 23:16:12,525 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73930744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:12, skipping insertion in model container [2024-11-10 23:16:12,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:12,525 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:16:11" (2/3) ... [2024-11-10 23:16:12,525 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73930744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:16:12, skipping insertion in model container [2024-11-10 23:16:12,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:16:12,526 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:12" (3/3) ... [2024-11-10 23:16:12,527 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2024-11-10 23:16:12,565 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:16:12,565 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:16:12,565 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:16:12,565 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:16:12,565 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:16:12,565 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:16:12,566 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:16:12,566 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:16:12,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 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) [2024-11-10 23:16:12,591 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-11-10 23:16:12,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:12,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:12,602 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:12,602 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] [2024-11-10 23:16:12,602 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:16:12,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 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) [2024-11-10 23:16:12,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-11-10 23:16:12,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:12,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:12,613 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:12,613 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] [2024-11-10 23:16:12,617 INFO L745 eck$LassoCheckResult]: Stem: 100#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~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~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 48#L75true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 108#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; 19#L83true assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 62#L935true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 44#L911true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 105#L809true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 54#L577true [2024-11-10 23:16:12,618 INFO L747 eck$LassoCheckResult]: Loop: 54#L577true assume true; 35#L577-1true assume !false;assume true; 10#L579true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 113#L587true assume !(0 != test_~tmp~3#1); 119#L595true havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 95#L597true assume !(0 != test_~tmp___0~0#1); 46#L605true havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 25#L607true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet36#1;test_~tmp___1~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 5#L615true assume 0 != test_~tmp___1~0#1; 80#L622true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 6#L735-5true assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 87#L819-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 59#L650-2true assume !(0 != ~pumpRunning~0); 31#L657-2true assume !(0 != ~systemActive~0); 33#L665-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 66#L545-2true assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 101#L830-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 38#L848-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 45#L667-2true assume true;assume { :end_inline_timeShift } true; 54#L577true [2024-11-10 23:16:12,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1592833050, now seen corresponding path program 1 times [2024-11-10 23:16:12,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666759281] [2024-11-10 23:16:12,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:12,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1360863708, now seen corresponding path program 1 times [2024-11-10 23:16:12,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115788394] [2024-11-10 23:16:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:12,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:12,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:12,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1783243485, now seen corresponding path program 1 times [2024-11-10 23:16:12,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:12,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529861161] [2024-11-10 23:16:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:16:12,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:12,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529861161] [2024-11-10 23:16:12,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529861161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:12,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:12,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:16:12,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841813809] [2024-11-10 23:16:12,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:13,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:13,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:16:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:16:13,133 INFO L87 Difference]: Start difference. First operand has 119 states, 118 states have (on average 1.3644067796610169) internal successors, (161), 118 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) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:16:13,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:13,153 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2024-11-10 23:16:13,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 145 transitions. [2024-11-10 23:16:13,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-10 23:16:13,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 102 states and 133 transitions. [2024-11-10 23:16:13,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 102 [2024-11-10 23:16:13,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2024-11-10 23:16:13,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 133 transitions. [2024-11-10 23:16:13,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:13,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-10 23:16:13,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 133 transitions. [2024-11-10 23:16:13,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-10 23:16:13,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.303921568627451) internal successors, (133), 101 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:16:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2024-11-10 23:16:13,188 INFO L240 hiAutomatonCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-10 23:16:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:16:13,196 INFO L425 stractBuchiCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-11-10 23:16:13,197 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:16:13,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 133 transitions. [2024-11-10 23:16:13,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-11-10 23:16:13,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:13,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:13,199 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:13,199 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:13,199 INFO L745 eck$LassoCheckResult]: Stem: 342#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 280#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 281#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 312#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; 271#L83 assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 272#L935 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 308#L911 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 309#L809 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 310#L577 [2024-11-10 23:16:13,200 INFO L747 eck$LassoCheckResult]: Loop: 310#L577 assume true; 296#L577-1 assume !false;assume true; 254#L579 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 256#L587 assume !(0 != test_~tmp~3#1); 264#L595 havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 337#L597 assume !(0 != test_~tmp___0~0#1); 287#L605 havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 284#L607 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet36#1;test_~tmp___1~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 245#L615 assume 0 != test_~tmp___1~0#1; 246#L622 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 247#L735-5 assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 248#L819-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 319#L650-2 assume !(0 != ~pumpRunning~0); 290#L657-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 251#L682-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 253#L674-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 318#L700-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 293#L665-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 294#L545-2 assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 326#L830-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 250#L848-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 302#L667-2 assume true;assume { :end_inline_timeShift } true; 310#L577 [2024-11-10 23:16:13,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:13,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1592833050, now seen corresponding path program 2 times [2024-11-10 23:16:13,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:13,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985642346] [2024-11-10 23:16:13,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:13,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:13,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:13,220 INFO L85 PathProgramCache]: Analyzing trace with hash 441547206, now seen corresponding path program 1 times [2024-11-10 23:16:13,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:13,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790309334] [2024-11-10 23:16:13,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:13,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:16:13,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:13,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790309334] [2024-11-10 23:16:13,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790309334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:13,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:13,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:16:13,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709461681] [2024-11-10 23:16:13,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:13,238 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:13,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:13,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:16:13,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:16:13,239 INFO L87 Difference]: Start difference. First operand 102 states and 133 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:16:13,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:13,312 INFO L93 Difference]: Finished difference Result 163 states and 207 transitions. [2024-11-10 23:16:13,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 207 transitions. [2024-11-10 23:16:13,314 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-10 23:16:13,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 163 states and 207 transitions. [2024-11-10 23:16:13,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2024-11-10 23:16:13,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2024-11-10 23:16:13,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 207 transitions. [2024-11-10 23:16:13,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:13,319 INFO L218 hiAutomatonCegarLoop]: Abstraction has 163 states and 207 transitions. [2024-11-10 23:16:13,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 207 transitions. [2024-11-10 23:16:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-10 23:16:13,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 163 states have (on average 1.2699386503067485) internal successors, (207), 162 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:16:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 207 transitions. [2024-11-10 23:16:13,329 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 207 transitions. [2024-11-10 23:16:13,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:16:13,330 INFO L425 stractBuchiCegarLoop]: Abstraction has 163 states and 207 transitions. [2024-11-10 23:16:13,330 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:16:13,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 207 transitions. [2024-11-10 23:16:13,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-10 23:16:13,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:13,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:13,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:13,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:13,332 INFO L745 eck$LassoCheckResult]: Stem: 620#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 549#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 550#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 584#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; 541#L83 assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 542#L935 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 579#L911 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 580#L809 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 581#L577 [2024-11-10 23:16:13,333 INFO L747 eck$LassoCheckResult]: Loop: 581#L577 assume true; 566#L577-1 assume !false;assume true; 524#L579 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 526#L587 assume !(0 != test_~tmp~3#1); 648#L595 havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 641#L597 assume !(0 != test_~tmp___0~0#1); 582#L605 havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 553#L607 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet36#1;test_~tmp___1~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 516#L615 assume 0 != test_~tmp___1~0#1; 517#L622 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 518#L735-5 assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 519#L819-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 592#L650-2 assume !(0 != ~pumpRunning~0); 560#L657-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 522#L682-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;havoc isHighWaterSensorDry_~retValue_acc~7#1; 523#L553-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~7#1; 598#L558-2 assume true;isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 586#L784-2 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 570#L789-2 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 571#L790-2 assume true;processEnvironment_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret37#1;havoc processEnvironment_#t~ret37#1; 601#L686-2 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 603#L674-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 607#L700-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 563#L665-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 564#L545-2 assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 599#L830-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 521#L848-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 572#L667-2 assume true;assume { :end_inline_timeShift } true; 581#L577 [2024-11-10 23:16:13,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:13,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1592833050, now seen corresponding path program 3 times [2024-11-10 23:16:13,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:13,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606027949] [2024-11-10 23:16:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:13,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:13,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:13,358 INFO L85 PathProgramCache]: Analyzing trace with hash -111896451, now seen corresponding path program 1 times [2024-11-10 23:16:13,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:13,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920757189] [2024-11-10 23:16:13,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:16:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:16:13,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:16:13,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920757189] [2024-11-10 23:16:13,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920757189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:16:13,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:16:13,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:16:13,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123473131] [2024-11-10 23:16:13,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:16:13,444 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:16:13,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:16:13,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 23:16:13,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 23:16:13,445 INFO L87 Difference]: Start difference. First operand 163 states and 207 transitions. cyclomatic complexity: 46 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:16:13,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:16:13,530 INFO L93 Difference]: Finished difference Result 318 states and 400 transitions. [2024-11-10 23:16:13,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 400 transitions. [2024-11-10 23:16:13,532 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 228 [2024-11-10 23:16:13,533 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 400 transitions. [2024-11-10 23:16:13,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2024-11-10 23:16:13,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2024-11-10 23:16:13,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 400 transitions. [2024-11-10 23:16:13,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:16:13,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 318 states and 400 transitions. [2024-11-10 23:16:13,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 400 transitions. [2024-11-10 23:16:13,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 315. [2024-11-10 23:16:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 315 states have (on average 1.2507936507936508) internal successors, (394), 314 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:16:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 394 transitions. [2024-11-10 23:16:13,546 INFO L240 hiAutomatonCegarLoop]: Abstraction has 315 states and 394 transitions. [2024-11-10 23:16:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:16:13,547 INFO L425 stractBuchiCegarLoop]: Abstraction has 315 states and 394 transitions. [2024-11-10 23:16:13,547 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:16:13,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 394 transitions. [2024-11-10 23:16:13,549 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 226 [2024-11-10 23:16:13,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:16:13,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:16:13,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:13,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:16:13,550 INFO L745 eck$LassoCheckResult]: Stem: 1138#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 1044#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 1045#L75 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1087#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; 1036#L83 assume true;main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 1037#L935 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1082#L911 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1083#L809 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } 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; 1142#L577 [2024-11-10 23:16:13,550 INFO L747 eck$LassoCheckResult]: Loop: 1142#L577 assume true; 1231#L577-1 assume !false;assume true; 1230#L579 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 1225#L587 assume !(0 != test_~tmp~3#1); 1223#L595 havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 1218#L597 assume !(0 != test_~tmp___0~0#1); 1085#L605 havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 1048#L607 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet36#1;test_~tmp___1~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1009#L615 assume 0 != test_~tmp___1~0#1; 1010#L622 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1011#L735-5 assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 1012#L819-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1098#L650-2 assume !(0 != ~pumpRunning~0); 1099#L657-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1015#L682-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;havoc isHighWaterSensorDry_~retValue_acc~7#1; 1016#L553-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~7#1; 1105#L558-2 assume true;isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 1089#L784-2 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1090#L789-2 isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1; 1205#L790-2 assume true;processEnvironment_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret37#1;havoc processEnvironment_#t~ret37#1; 1203#L686-2 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1152#L674-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1119#L700-2 assume true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;assume { :end_inline_processEnvironment } true; 1061#L665-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 1062#L545-2 assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 1241#L830-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 1239#L735-4 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1234#L834-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1233#L848-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1232#L667-2 assume true;assume { :end_inline_timeShift } true; 1142#L577 [2024-11-10 23:16:13,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:13,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1592833050, now seen corresponding path program 4 times [2024-11-10 23:16:13,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:13,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296246086] [2024-11-10 23:16:13,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:13,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:13,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:13,562 INFO L85 PathProgramCache]: Analyzing trace with hash -158917189, now seen corresponding path program 1 times [2024-11-10 23:16:13,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:13,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931022731] [2024-11-10 23:16:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:13,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:13,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:16:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1224761364, now seen corresponding path program 1 times [2024-11-10 23:16:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:16:13,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736487271] [2024-11-10 23:16:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:16:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:16:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:13,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:16:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:14,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:16:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:16:14,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:16:14 BoogieIcfgContainer [2024-11-10 23:16:14,331 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:16:14,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:16:14,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:16:14,331 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:16:14,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:16:12" (3/4) ... [2024-11-10 23:16:14,333 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:16:14,377 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:16:14,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:16:14,378 INFO L158 Benchmark]: Toolchain (without parser) took 2807.58ms. Allocated memory is still 203.4MB. Free memory was 133.3MB in the beginning and 62.9MB in the end (delta: 70.4MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2024-11-10 23:16:14,378 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:16:14,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.20ms. Allocated memory is still 203.4MB. Free memory was 133.3MB in the beginning and 112.0MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:16:14,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.42ms. Allocated memory is still 203.4MB. Free memory was 112.0MB in the beginning and 109.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:14,379 INFO L158 Benchmark]: Boogie Preprocessor took 57.54ms. Allocated memory is still 203.4MB. Free memory was 109.4MB in the beginning and 173.1MB in the end (delta: -63.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-10 23:16:14,379 INFO L158 Benchmark]: IcfgBuilder took 446.82ms. Allocated memory is still 203.4MB. Free memory was 173.1MB in the beginning and 148.8MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 23:16:14,379 INFO L158 Benchmark]: BuchiAutomizer took 1810.24ms. Allocated memory is still 203.4MB. Free memory was 148.8MB in the beginning and 66.0MB in the end (delta: 82.8MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-11-10 23:16:14,379 INFO L158 Benchmark]: Witness Printer took 46.17ms. Allocated memory is still 203.4MB. Free memory was 66.0MB in the beginning and 62.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:16:14,381 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 113.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.20ms. Allocated memory is still 203.4MB. Free memory was 133.3MB in the beginning and 112.0MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.42ms. Allocated memory is still 203.4MB. Free memory was 112.0MB in the beginning and 109.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.54ms. Allocated memory is still 203.4MB. Free memory was 109.4MB in the beginning and 173.1MB in the end (delta: -63.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * IcfgBuilder took 446.82ms. Allocated memory is still 203.4MB. Free memory was 173.1MB in the beginning and 148.8MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1810.24ms. Allocated memory is still 203.4MB. Free memory was 148.8MB in the beginning and 66.0MB in the end (delta: 82.8MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * Witness Printer took 46.17ms. Allocated memory is still 203.4MB. Free memory was 66.0MB in the beginning and 62.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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,"libacc.i","") [96] - GenericResultAtLocation [Line: 462]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [462] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] - GenericResultAtLocation [Line: 633]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [633] - GenericResultAtLocation [Line: 802]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [802] - GenericResultAtLocation [Line: 851]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [851] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 315 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 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, 343 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 888 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 448 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 440 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 577]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L470] int waterLevel = 1; [L471] int methaneLevelCritical = 0; [L638] int pumpRunning = 0; [L639] int systemActive = 1; [L803] int switchedOnBeforeTS ; [L852] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L926] int retValue_acc ; [L927] int tmp ; [L931] FCALL select_helpers() [L932] FCALL select_features() [L933] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L933] RET, EXPR valid_product() [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L937] FCALL setup() [L938] CALL runTest() [L919] CALL __utac_acc__Specification5_spec__1() [L808] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L919] RET __utac_acc__Specification5_spec__1() [L920] CALL test() [L568] int splverifierCounter ; [L569] int tmp ; [L570] int tmp___0 ; [L571] int tmp___1 ; [L572] int tmp___2 ; [L575] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L577] COND TRUE 1 [L579] COND TRUE splverifierCounter < 4 [L585] tmp = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp)) [L595] tmp___0 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___0)) [L605] tmp___2 = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp___2)) [L613] tmp___1 = __VERIFIER_nondet_int() [L615] COND TRUE \read(tmp___1) [L622] CALL timeShift() [L648] CALL __utac_acc__Specification5_spec__2() [L817] CALL, EXPR isPumpRunning() [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); [L817] RET, EXPR isPumpRunning() [L817] switchedOnBeforeTS = isPumpRunning() [L648] RET __utac_acc__Specification5_spec__2() [L650] COND FALSE !(\read(pumpRunning)) [L657] COND TRUE \read(systemActive) [L659] CALL processEnvironment() [L679] int tmp ; [L682] COND TRUE ! pumpRunning [L684] CALL, EXPR isHighWaterLevel() [L776] int retValue_acc ; [L777] int tmp ; [L778] int tmp___0 ; [L782] CALL, EXPR isHighWaterSensorDry() [L550] int retValue_acc ; [L553] COND TRUE waterLevel < 2 [L554] retValue_acc = 1 [L555] return (retValue_acc); [L782] RET, EXPR isHighWaterSensorDry() [L782] tmp = isHighWaterSensorDry() [L784] COND TRUE \read(tmp) [L785] tmp___0 = 0 [L789] retValue_acc = tmp___0 [L790] return (retValue_acc); [L684] RET, EXPR isHighWaterLevel() [L684] tmp = isHighWaterLevel() [L686] COND FALSE !(\read(tmp)) [L692] FCALL processEnvironment__wrappee__base() [L659] RET processEnvironment() [L665] CALL __utac_acc__Specification5_spec__3() [L823] int tmp ; [L824] int tmp___0 ; [L828] CALL, EXPR getWaterLevel() [L541] int retValue_acc ; [L544] retValue_acc = waterLevel [L545] return (retValue_acc); [L828] RET, EXPR getWaterLevel() [L828] tmp = getWaterLevel() [L830] COND TRUE tmp != 2 [L832] CALL, EXPR isPumpRunning() [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); [L832] RET, EXPR isPumpRunning() [L832] tmp___0 = isPumpRunning() [L834] COND FALSE !(\read(tmp___0)) [L665] RET __utac_acc__Specification5_spec__3() [L622] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 577]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L470] int waterLevel = 1; [L471] int methaneLevelCritical = 0; [L638] int pumpRunning = 0; [L639] int systemActive = 1; [L803] int switchedOnBeforeTS ; [L852] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L926] int retValue_acc ; [L927] int tmp ; [L931] FCALL select_helpers() [L932] FCALL select_features() [L933] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L933] RET, EXPR valid_product() [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L937] FCALL setup() [L938] CALL runTest() [L919] CALL __utac_acc__Specification5_spec__1() [L808] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L919] RET __utac_acc__Specification5_spec__1() [L920] CALL test() [L568] int splverifierCounter ; [L569] int tmp ; [L570] int tmp___0 ; [L571] int tmp___1 ; [L572] int tmp___2 ; [L575] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L577] COND TRUE 1 [L579] COND TRUE splverifierCounter < 4 [L585] tmp = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp)) [L595] tmp___0 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___0)) [L605] tmp___2 = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp___2)) [L613] tmp___1 = __VERIFIER_nondet_int() [L615] COND TRUE \read(tmp___1) [L622] CALL timeShift() [L648] CALL __utac_acc__Specification5_spec__2() [L817] CALL, EXPR isPumpRunning() [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); [L817] RET, EXPR isPumpRunning() [L817] switchedOnBeforeTS = isPumpRunning() [L648] RET __utac_acc__Specification5_spec__2() [L650] COND FALSE !(\read(pumpRunning)) [L657] COND TRUE \read(systemActive) [L659] CALL processEnvironment() [L679] int tmp ; [L682] COND TRUE ! pumpRunning [L684] CALL, EXPR isHighWaterLevel() [L776] int retValue_acc ; [L777] int tmp ; [L778] int tmp___0 ; [L782] CALL, EXPR isHighWaterSensorDry() [L550] int retValue_acc ; [L553] COND TRUE waterLevel < 2 [L554] retValue_acc = 1 [L555] return (retValue_acc); [L782] RET, EXPR isHighWaterSensorDry() [L782] tmp = isHighWaterSensorDry() [L784] COND TRUE \read(tmp) [L785] tmp___0 = 0 [L789] retValue_acc = tmp___0 [L790] return (retValue_acc); [L684] RET, EXPR isHighWaterLevel() [L684] tmp = isHighWaterLevel() [L686] COND FALSE !(\read(tmp)) [L692] FCALL processEnvironment__wrappee__base() [L659] RET processEnvironment() [L665] CALL __utac_acc__Specification5_spec__3() [L823] int tmp ; [L824] int tmp___0 ; [L828] CALL, EXPR getWaterLevel() [L541] int retValue_acc ; [L544] retValue_acc = waterLevel [L545] return (retValue_acc); [L828] RET, EXPR getWaterLevel() [L828] tmp = getWaterLevel() [L830] COND TRUE tmp != 2 [L832] CALL, EXPR isPumpRunning() [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); [L832] RET, EXPR isPumpRunning() [L832] tmp___0 = isPumpRunning() [L834] COND FALSE !(\read(tmp___0)) [L665] RET __utac_acc__Specification5_spec__3() [L622] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:16:14,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)