./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product37.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 aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:46:31,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:46:31,422 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:46:31,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:46:31,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:46:31,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:46:31,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:46:31,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:46:31,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:46:31,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:46:31,461 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:46:31,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:46:31,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:46:31,463 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:46:31,466 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:46:31,467 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:46:31,467 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:46:31,467 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:46:31,467 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:46:31,468 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:46:31,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:46:31,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:46:31,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:46:31,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:46:31,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:46:31,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:46:31,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:46:31,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:46:31,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:46:31,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:46:31,470 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:46:31,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:46:31,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:46:31,471 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:46:31,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:46:31,471 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:46:31,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:46:31,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:46:31,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:46:31,473 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:46:31,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 [2024-11-17 08:46:31,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:46:31,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:46:31,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:46:31,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:46:31,761 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:46:31,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2024-11-17 08:46:33,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:46:33,423 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:46:33,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2024-11-17 08:46:33,440 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18579a965/bd74d2a47d4446688f417034b6e7c30e/FLAGaf61ce261 [2024-11-17 08:46:33,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18579a965/bd74d2a47d4446688f417034b6e7c30e [2024-11-17 08:46:33,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:46:33,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:46:33,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:33,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:46:33,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:46:33,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3feb02cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33, skipping insertion in model container [2024-11-17 08:46:33,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:33,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:46:33,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:33,882 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:46:33,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-17 08:46:33,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] [2024-11-17 08:46:33,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [305] [2024-11-17 08:46:33,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [345] [2024-11-17 08:46:33,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [440] [2024-11-17 08:46:33,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] [2024-11-17 08:46:33,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] [2024-11-17 08:46:33,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [915] [2024-11-17 08:46:33,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:46:33,986 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:46:33,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33 WrapperNode [2024-11-17 08:46:33,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:46:33,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:33,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:46:33,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:46:33,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,069 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 81, statements flattened = 545 [2024-11-17 08:46:34,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:46:34,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:46:34,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:46:34,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:46:34,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,100 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:46:34,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,110 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:46:34,119 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:46:34,119 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:46:34,119 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:46:34,120 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (1/1) ... [2024-11-17 08:46:34,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:46:34,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:46:34,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:46:34,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:46:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:46:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:46:34,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:46:34,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:46:34,281 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:46:34,283 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:46:34,745 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L234-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:34,745 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L234-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:34,745 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L234-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:34,745 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L234-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:34,746 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L234-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:34,746 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L234-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-17 08:46:34,746 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L912-1: main_#res#1 := main_~retValue_acc~9#1; [2024-11-17 08:46:34,746 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:46:34,746 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:46:34,746 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-17 08:46:34,747 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L947-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2024-11-17 08:46:34,747 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L437-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:34,747 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L437-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:34,747 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L437-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:34,747 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L437-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:34,747 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L437-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:34,747 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L437-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2024-11-17 08:46:34,747 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L391-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:34,748 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L391-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:34,748 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L391-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:34,748 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L391-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:34,748 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L391-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:34,748 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L391-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2024-11-17 08:46:34,749 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L179-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:34,749 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L179-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:34,749 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L179-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-17 08:46:34,811 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-17 08:46:34,811 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:46:34,828 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:46:34,828 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:46:34,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:34 BoogieIcfgContainer [2024-11-17 08:46:34,829 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:46:34,830 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:46:34,830 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:46:34,836 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:46:34,837 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:34,837 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:46:33" (1/3) ... [2024-11-17 08:46:34,838 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e99c0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:34, skipping insertion in model container [2024-11-17 08:46:34,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:34,839 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:46:33" (2/3) ... [2024-11-17 08:46:34,839 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e99c0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:46:34, skipping insertion in model container [2024-11-17 08:46:34,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:46:34,839 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:34" (3/3) ... [2024-11-17 08:46:34,840 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2024-11-17 08:46:34,896 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:46:34,896 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:46:34,896 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:46:34,896 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:46:34,897 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:46:34,897 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:46:34,897 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:46:34,897 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:46:34,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:34,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2024-11-17 08:46:34,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:34,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:34,941 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,942 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,942 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:46:34,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:34,954 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2024-11-17 08:46:34,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:34,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:34,956 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,956 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:34,964 INFO L745 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 40#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 141#L938true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 8#L931true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 155#L946true assume true;main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 121#L902true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 18#L875true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 36#L313true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 100#L251true [2024-11-17 08:46:34,965 INFO L747 eck$LassoCheckResult]: Loop: 100#L251true assume true; 41#L251-1true assume !false; 21#test_while_0_continue#1true assume true; 105#L253true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 166#L261true assume !(0 != test_~tmp~3#1); 76#L269true havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 43#L271true assume !(0 != test_~tmp___0~1#1); 67#L279true havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 22#L281true assume 0 != test_~tmp___2~0#1; 138#L294true assume { :begin_inline_timeShift } true; 23#L67-2true assume !(0 != ~pumpRunning~0); 134#L74-2true assume !(0 != ~systemActive~0); 159#L82-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 7#L390-4true assume true;__utac_acc__Specification2_spec__2_#t~ret20#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret20#1;havoc __utac_acc__Specification2_spec__2_#t~ret20#1; 4#L324-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 81#L342-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 39#L84-2true assume true;assume { :end_inline_timeShift } true; 100#L251true [2024-11-17 08:46:34,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:34,974 INFO L85 PathProgramCache]: Analyzing trace with hash -950704102, now seen corresponding path program 1 times [2024-11-17 08:46:34,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:34,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849193238] [2024-11-17 08:46:34,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:34,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:35,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:35,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1882076039, now seen corresponding path program 1 times [2024-11-17 08:46:35,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:35,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476543616] [2024-11-17 08:46:35,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:35,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:35,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:35,183 INFO L85 PathProgramCache]: Analyzing trace with hash 328523918, now seen corresponding path program 1 times [2024-11-17 08:46:35,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:35,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711100609] [2024-11-17 08:46:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:35,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:35,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711100609] [2024-11-17 08:46:35,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711100609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:35,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:35,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:46:35,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987282498] [2024-11-17 08:46:35,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:35,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:35,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:46:35,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:46:35,670 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3719512195121952) internal successors, (225), 164 states have internal predecessors, (225), 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 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:35,749 INFO L93 Difference]: Finished difference Result 159 states and 208 transitions. [2024-11-17 08:46:35,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 208 transitions. [2024-11-17 08:46:35,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2024-11-17 08:46:35,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 148 states and 197 transitions. [2024-11-17 08:46:35,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2024-11-17 08:46:35,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2024-11-17 08:46:35,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 197 transitions. [2024-11-17 08:46:35,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:35,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 197 transitions. [2024-11-17 08:46:35,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 197 transitions. [2024-11-17 08:46:35,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-17 08:46:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.3310810810810811) internal successors, (197), 147 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 197 transitions. [2024-11-17 08:46:35,798 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 197 transitions. [2024-11-17 08:46:35,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:46:35,803 INFO L425 stractBuchiCegarLoop]: Abstraction has 148 states and 197 transitions. [2024-11-17 08:46:35,803 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:46:35,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 197 transitions. [2024-11-17 08:46:35,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2024-11-17 08:46:35,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:35,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:35,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:35,806 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] [2024-11-17 08:46:35,806 INFO L745 eck$LassoCheckResult]: Stem: 488#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 407#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 408#L938 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 354#L931 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 355#L946 assume true;main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 484#L902 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 373#L875 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 374#L313 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 401#L251 [2024-11-17 08:46:35,806 INFO L747 eck$LassoCheckResult]: Loop: 401#L251 assume true; 410#L251-1 assume !false; 375#test_while_0_continue#1 assume true; 376#L253 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 471#L261 assume !(0 != test_~tmp~3#1); 359#L269 havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 411#L271 assume !(0 != test_~tmp___0~1#1); 413#L279 havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 377#L281 assume 0 != test_~tmp___2~0#1; 379#L294 assume { :begin_inline_timeShift } true; 380#L67-2 assume !(0 != ~pumpRunning~0); 382#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 464#L125-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 465#L99-5 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 479#L91-11 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 417#L117-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 365#L143-2 assume true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 366#L82-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 351#L390-4 assume true;__utac_acc__Specification2_spec__2_#t~ret20#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret20#1;havoc __utac_acc__Specification2_spec__2_#t~ret20#1; 342#L324-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 344#L342-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 406#L84-2 assume true;assume { :end_inline_timeShift } true; 401#L251 [2024-11-17 08:46:35,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:35,807 INFO L85 PathProgramCache]: Analyzing trace with hash -950704102, now seen corresponding path program 2 times [2024-11-17 08:46:35,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:35,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100267537] [2024-11-17 08:46:35,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:35,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:35,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:35,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1142205964, now seen corresponding path program 1 times [2024-11-17 08:46:35,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:35,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141043037] [2024-11-17 08:46:35,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:35,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:46:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:46:35,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:46:35,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141043037] [2024-11-17 08:46:35,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141043037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:46:35,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:46:35,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 08:46:35,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631364522] [2024-11-17 08:46:35,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:46:35,849 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-17 08:46:35,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:46:35,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 08:46:35,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 08:46:35,850 INFO L87 Difference]: Start difference. First operand 148 states and 197 transitions. cyclomatic complexity: 51 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) [2024-11-17 08:46:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:46:35,935 INFO L93 Difference]: Finished difference Result 207 states and 266 transitions. [2024-11-17 08:46:35,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 207 states and 266 transitions. [2024-11-17 08:46:35,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2024-11-17 08:46:35,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 207 states to 207 states and 266 transitions. [2024-11-17 08:46:35,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2024-11-17 08:46:35,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2024-11-17 08:46:35,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 266 transitions. [2024-11-17 08:46:35,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:46:35,941 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 266 transitions. [2024-11-17 08:46:35,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 266 transitions. [2024-11-17 08:46:35,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-17 08:46:35,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 207 states have (on average 1.285024154589372) internal successors, (266), 206 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:46:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 266 transitions. [2024-11-17 08:46:35,949 INFO L240 hiAutomatonCegarLoop]: Abstraction has 207 states and 266 transitions. [2024-11-17 08:46:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 08:46:35,953 INFO L425 stractBuchiCegarLoop]: Abstraction has 207 states and 266 transitions. [2024-11-17 08:46:35,953 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:46:35,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 266 transitions. [2024-11-17 08:46:35,954 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2024-11-17 08:46:35,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:46:35,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:46:35,955 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:46:35,955 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] [2024-11-17 08:46:35,955 INFO L745 eck$LassoCheckResult]: Stem: 855#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 769#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 770#L938 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 717#L931 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 718#L946 assume true;main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 847#L902 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 735#L875 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 736#L313 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 765#L251 [2024-11-17 08:46:35,956 INFO L747 eck$LassoCheckResult]: Loop: 765#L251 assume true; 771#L251-1 assume !false; 737#test_while_0_continue#1 assume true; 738#L253 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet16#1;test_~tmp~3#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 837#L261 assume !(0 != test_~tmp~3#1); 720#L269 havoc test_#t~nondet17#1;test_~tmp___0~1#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 773#L271 assume !(0 != test_~tmp___0~1#1); 775#L279 havoc test_#t~nondet18#1;test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 739#L281 assume 0 != test_~tmp___2~0#1; 741#L294 assume { :begin_inline_timeShift } true; 742#L67-2 assume !(0 != ~pumpRunning~0); 743#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 830#L125-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 831#L99-5 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 766#L430-5 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 767#L435-5 assume true;isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 792#L227-5 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 749#L232-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 750#L233-5 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 793#L103-5 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 826#L91-10 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 827#L117-5 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 726#L143-2 assume true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 727#L82-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 712#L390-4 assume true;__utac_acc__Specification2_spec__2_#t~ret20#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret20#1;havoc __utac_acc__Specification2_spec__2_#t~ret20#1; 705#L324-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 707#L342-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 768#L84-2 assume true;assume { :end_inline_timeShift } true; 765#L251 [2024-11-17 08:46:35,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:35,958 INFO L85 PathProgramCache]: Analyzing trace with hash -950704102, now seen corresponding path program 3 times [2024-11-17 08:46:35,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:35,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608703577] [2024-11-17 08:46:35,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:35,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,983 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:35,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:35,984 INFO L85 PathProgramCache]: Analyzing trace with hash 773415541, now seen corresponding path program 1 times [2024-11-17 08:46:35,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:35,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763809774] [2024-11-17 08:46:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:35,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:35,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:36,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:36,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:46:36,006 INFO L85 PathProgramCache]: Analyzing trace with hash -779085042, now seen corresponding path program 1 times [2024-11-17 08:46:36,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:46:36,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603118071] [2024-11-17 08:46:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:46:36,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:46:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:36,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:36,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:46:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:36,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:46:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:46:36,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:46:36 BoogieIcfgContainer [2024-11-17 08:46:36,980 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:46:36,981 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:46:36,981 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:46:36,982 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:46:36,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:46:34" (3/4) ... [2024-11-17 08:46:36,984 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:46:37,054 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:46:37,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:46:37,057 INFO L158 Benchmark]: Toolchain (without parser) took 3601.21ms. Allocated memory was 130.0MB in the beginning and 203.4MB in the end (delta: 73.4MB). Free memory was 59.5MB in the beginning and 118.1MB in the end (delta: -58.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 08:46:37,057 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 90.1MB in the end (delta: 155.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:37,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.81ms. Allocated memory was 130.0MB in the beginning and 203.4MB in the end (delta: 73.4MB). Free memory was 59.3MB in the beginning and 158.6MB in the end (delta: -99.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-17 08:46:37,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.44ms. Allocated memory is still 203.4MB. Free memory was 158.6MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:37,058 INFO L158 Benchmark]: Boogie Preprocessor took 47.74ms. Allocated memory is still 203.4MB. Free memory was 155.5MB in the beginning and 152.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 08:46:37,058 INFO L158 Benchmark]: IcfgBuilder took 710.11ms. Allocated memory is still 203.4MB. Free memory was 152.3MB in the beginning and 120.9MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-17 08:46:37,058 INFO L158 Benchmark]: BuchiAutomizer took 2150.60ms. Allocated memory is still 203.4MB. Free memory was 120.9MB in the beginning and 121.3MB in the end (delta: -412.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:46:37,059 INFO L158 Benchmark]: Witness Printer took 75.55ms. Allocated memory is still 203.4MB. Free memory was 121.3MB in the beginning and 118.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:46:37,063 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 90.1MB in the end (delta: 155.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.81ms. Allocated memory was 130.0MB in the beginning and 203.4MB in the end (delta: 73.4MB). Free memory was 59.3MB in the beginning and 158.6MB in the end (delta: -99.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.44ms. Allocated memory is still 203.4MB. Free memory was 158.6MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.74ms. Allocated memory is still 203.4MB. Free memory was 155.5MB in the beginning and 152.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 710.11ms. Allocated memory is still 203.4MB. Free memory was 152.3MB in the beginning and 120.9MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2150.60ms. Allocated memory is still 203.4MB. Free memory was 120.9MB in the beginning and 121.3MB in the end (delta: -412.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.55ms. Allocated memory is still 203.4MB. Free memory was 121.3MB in the beginning and 118.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [305] - GenericResultAtLocation [Line: 345]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [345] - GenericResultAtLocation [Line: 440]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [440] - GenericResultAtLocation [Line: 449]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] - GenericResultAtLocation [Line: 915]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [915] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 207 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 346 mSDsluCounter, 892 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 494 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 398 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 251]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L307] int methAndRunningLastTime ; [L347] int waterLevel = 1; [L348] int methaneLevelCritical = 0; [L619] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L816] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L893] int retValue_acc ; [L894] int tmp ; [L898] FCALL select_helpers() [L899] FCALL select_features() [L900] CALL, EXPR valid_product() [L942] int retValue_acc ; [L945] retValue_acc = 1 [L946] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] RET, EXPR valid_product() [L900] tmp = valid_product() [L902] COND TRUE \read(tmp) [L904] FCALL setup() [L905] CALL runTest() [L883] CALL __utac_acc__Specification2_spec__1() [L312] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L883] RET __utac_acc__Specification2_spec__1() [L884] CALL test() [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L251] COND TRUE 1 [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L294] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__highWaterSensor() [L96] int tmp ; [L99] COND TRUE ! pumpRunning [L101] CALL, EXPR isHighWaterLevel() [L219] int retValue_acc ; [L220] int tmp ; [L221] int tmp___0 ; [L225] CALL, EXPR isHighWaterSensorDry() [L427] int retValue_acc ; [L430] COND TRUE waterLevel < 2 [L431] retValue_acc = 1 [L432] return (retValue_acc); [L225] RET, EXPR isHighWaterSensorDry() [L225] tmp = isHighWaterSensorDry() [L227] COND TRUE \read(tmp) [L228] tmp___0 = 0 [L232] retValue_acc = tmp___0 [L233] return (retValue_acc); [L101] RET, EXPR isHighWaterLevel() [L101] tmp = isHighWaterLevel() [L103] COND FALSE !(\read(tmp)) [L109] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__highWaterSensor() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L317] int tmp ; [L318] int tmp___0 ; [L322] CALL, EXPR isMethaneLevelCritical() [L386] int retValue_acc ; [L389] retValue_acc = methaneLevelCritical [L390] return (retValue_acc); [L322] RET, EXPR isMethaneLevelCritical() [L322] tmp = isMethaneLevelCritical() [L324] COND FALSE !(\read(tmp)) [L340] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L294] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 251]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L307] int methAndRunningLastTime ; [L347] int waterLevel = 1; [L348] int methaneLevelCritical = 0; [L619] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L816] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L893] int retValue_acc ; [L894] int tmp ; [L898] FCALL select_helpers() [L899] FCALL select_features() [L900] CALL, EXPR valid_product() [L942] int retValue_acc ; [L945] retValue_acc = 1 [L946] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] RET, EXPR valid_product() [L900] tmp = valid_product() [L902] COND TRUE \read(tmp) [L904] FCALL setup() [L905] CALL runTest() [L883] CALL __utac_acc__Specification2_spec__1() [L312] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L883] RET __utac_acc__Specification2_spec__1() [L884] CALL test() [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L251] COND TRUE 1 [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L294] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__highWaterSensor() [L96] int tmp ; [L99] COND TRUE ! pumpRunning [L101] CALL, EXPR isHighWaterLevel() [L219] int retValue_acc ; [L220] int tmp ; [L221] int tmp___0 ; [L225] CALL, EXPR isHighWaterSensorDry() [L427] int retValue_acc ; [L430] COND TRUE waterLevel < 2 [L431] retValue_acc = 1 [L432] return (retValue_acc); [L225] RET, EXPR isHighWaterSensorDry() [L225] tmp = isHighWaterSensorDry() [L227] COND TRUE \read(tmp) [L228] tmp___0 = 0 [L232] retValue_acc = tmp___0 [L233] return (retValue_acc); [L101] RET, EXPR isHighWaterLevel() [L101] tmp = isHighWaterLevel() [L103] COND FALSE !(\read(tmp)) [L109] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__highWaterSensor() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L317] int tmp ; [L318] int tmp___0 ; [L322] CALL, EXPR isMethaneLevelCritical() [L386] int retValue_acc ; [L389] retValue_acc = methaneLevelCritical [L390] return (retValue_acc); [L322] RET, EXPR isMethaneLevelCritical() [L322] tmp = isMethaneLevelCritical() [L324] COND FALSE !(\read(tmp)) [L340] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L294] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:46:37,095 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)