./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product61.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_spec2_product61.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 9e3065d54459a1af9237785e443ea1bc130aed8710eaae31e283e0fdf62db72d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:14:18,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:14:18,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:14:18,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:14:18,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:14:18,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:14:18,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:14:18,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:14:18,380 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:14:18,381 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:14:18,382 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:14:18,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:14:18,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:14:18,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:14:18,386 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:14:18,386 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:14:18,387 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:14:18,387 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:14:18,387 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:14:18,387 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:14:18,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:14:18,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:14:18,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:14:18,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:14:18,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:14:18,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:14:18,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:14:18,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:14:18,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:14:18,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:14:18,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:14:18,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:14:18,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:14:18,394 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:14:18,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:14:18,395 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:14:18,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:14:18,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:14:18,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:14:18,396 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:14:18,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3065d54459a1af9237785e443ea1bc130aed8710eaae31e283e0fdf62db72d [2024-11-10 23:14:18,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:14:18,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:14:18,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:14:18,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:14:18,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:14:18,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2024-11-10 23:14:20,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:14:20,331 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:14:20,332 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2024-11-10 23:14:20,344 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed83cdfd/2f6da788934141e886243610205dc5d6/FLAG65e5b8be2 [2024-11-10 23:14:20,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed83cdfd/2f6da788934141e886243610205dc5d6 [2024-11-10 23:14:20,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:14:20,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:14:20,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:20,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:14:20,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:14:20,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:20" (1/1) ... [2024-11-10 23:14:20,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a036336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:20, skipping insertion in model container [2024-11-10 23:14:20,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:14:20" (1/1) ... [2024-11-10 23:14:20,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:14:21,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:21,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:14:21,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] [2024-11-10 23:14:21,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [91] [2024-11-10 23:14:21,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [196] [2024-11-10 23:14:21,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [562] [2024-11-10 23:14:21,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [571] [2024-11-10 23:14:21,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [606] [2024-11-10 23:14:21,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [671] [2024-11-10 23:14:21,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [779] [2024-11-10 23:14:21,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:14:21,227 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:14:21,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21 WrapperNode [2024-11-10 23:14:21,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:14:21,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:21,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:14:21,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:14:21,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,319 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 59, calls inlined = 177, statements flattened = 1217 [2024-11-10 23:14:21,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:14:21,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:14:21,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:14:21,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:14:21,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,360 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 23:14:21,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:14:21,403 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:14:21,404 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:14:21,404 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:14:21,405 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (1/1) ... [2024-11-10 23:14:21,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:14:21,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:14:21,446 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 23:14:21,449 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 23:14:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:14:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:14:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:14:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:14:21,580 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:14:21,582 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:14:22,332 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-7: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-9: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-11: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-13: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-15: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-17: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,333 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-19: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-21: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L767-23: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-7: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-9: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-11: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-13: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L603-1: valid_product_#res#1 := valid_product_~retValue_acc~5#1; [2024-11-10 23:14:22,334 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-15: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,335 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-17: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,335 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-19: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,335 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-21: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,335 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L999-23: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; [2024-11-10 23:14:22,335 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,336 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,336 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,336 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-7: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,336 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-9: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-11: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-13: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-15: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-17: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-19: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-21: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,337 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-23: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-25: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-27: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-29: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; [2024-11-10 23:14:22,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-1: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:14:22,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-3: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:14:22,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-5: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:14:22,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-7: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:14:22,339 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-9: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:14:22,339 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L776-11: isLowWaterSensorDry_#res#1 := isLowWaterSensorDry_~retValue_acc~9#1; [2024-11-10 23:14:22,339 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L944-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:14:22,339 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L944-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:14:22,339 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L944-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~11#1; [2024-11-10 23:14:22,339 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-1: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:22,339 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-3: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:22,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-5: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:22,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-7: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:22,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-9: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:22,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-11: isLowWaterLevel_#res#1 := isLowWaterLevel_~retValue_acc~13#1; [2024-11-10 23:14:22,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-13: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-15: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,341 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L193-1: main_#res#1 := main_~retValue_acc~0#1; [2024-11-10 23:14:22,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-17: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-19: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-21: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-23: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-25: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-27: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-29: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,342 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-31: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-33: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-35: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; [2024-11-10 23:14:22,390 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live. [2024-11-10 23:14:22,390 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:14:22,413 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:14:22,417 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:14:22,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:22 BoogieIcfgContainer [2024-11-10 23:14:22,418 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:14:22,419 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:14:22,420 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:14:22,423 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:14:22,423 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:22,423 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:14:20" (1/3) ... [2024-11-10 23:14:22,424 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7993ec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:22, skipping insertion in model container [2024-11-10 23:14:22,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:22,425 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:14:21" (2/3) ... [2024-11-10 23:14:22,425 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7993ec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:14:22, skipping insertion in model container [2024-11-10 23:14:22,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:14:22,425 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:22" (3/3) ... [2024-11-10 23:14:22,427 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2024-11-10 23:14:22,481 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:14:22,481 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:14:22,481 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:14:22,481 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:14:22,481 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:14:22,481 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:14:22,482 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:14:22,482 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:14:22,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 325 states, 324 states have (on average 1.3549382716049383) internal successors, (439), 324 states have internal predecessors, (439), 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 23:14:22,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 211 [2024-11-10 23:14:22,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:22,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:22,522 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:22,523 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:22,523 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:14:22,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 325 states, 324 states have (on average 1.3549382716049383) internal successors, (439), 324 states have internal predecessors, (439), 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 23:14:22,536 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 211 [2024-11-10 23:14:22,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:22,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:22,537 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:22,537 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:22,541 INFO L745 eck$LassoCheckResult]: Stem: 310#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);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 26#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 291#L594true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 146#L587true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 9#L602true assume true;main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 27#L183true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 211#L155true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 118#L59true assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 236#L617true [2024-11-10 23:14:22,541 INFO L747 eck$LassoCheckResult]: Loop: 236#L617true assume true; 147#L617-1true assume !false;assume true; 261#L619true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet31#1;test_~tmp~5#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 53#L627true assume !(0 != test_~tmp~5#1); 21#L635true havoc test_#t~nondet32#1;test_~tmp___0~1#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 117#L637true assume !(0 != test_~tmp___0~1#1); 157#L645true havoc test_#t~nondet33#1;test_~tmp___2~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 135#L647true assume 0 != test_~tmp___2~0#1; 280#L660true assume { :begin_inline_timeShift } true; 212#L789-2true assume !(0 != ~pumpRunning~0); 228#L796-2true assume !(0 != ~systemActive~0); 61#L804-2true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 209#L720-12true assume true;__utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 189#L70-2true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 11#L88-2true assume true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 283#L806-2true assume true;assume { :end_inline_timeShift } true; 236#L617true [2024-11-10 23:14:22,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:22,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1760049178, now seen corresponding path program 1 times [2024-11-10 23:14:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:22,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134730561] [2024-11-10 23:14:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:22,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:22,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:22,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:22,672 INFO L85 PathProgramCache]: Analyzing trace with hash -893698171, now seen corresponding path program 1 times [2024-11-10 23:14:22,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:22,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998338033] [2024-11-10 23:14:22,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:22,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:22,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:22,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:22,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:22,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1825187230, now seen corresponding path program 1 times [2024-11-10 23:14:22,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:22,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919953262] [2024-11-10 23:14:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:22,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:22,991 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 23:14:22,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:22,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919953262] [2024-11-10 23:14:22,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919953262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:22,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:22,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 23:14:22,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841105224] [2024-11-10 23:14:22,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:23,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:23,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 23:14:23,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 23:14:23,129 INFO L87 Difference]: Start difference. First operand has 325 states, 324 states have (on average 1.3549382716049383) internal successors, (439), 324 states have internal predecessors, (439), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:14:23,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:23,230 INFO L93 Difference]: Finished difference Result 319 states and 422 transitions. [2024-11-10 23:14:23,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 422 transitions. [2024-11-10 23:14:23,240 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 205 [2024-11-10 23:14:23,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 308 states and 411 transitions. [2024-11-10 23:14:23,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 308 [2024-11-10 23:14:23,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 308 [2024-11-10 23:14:23,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 411 transitions. [2024-11-10 23:14:23,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:23,254 INFO L218 hiAutomatonCegarLoop]: Abstraction has 308 states and 411 transitions. [2024-11-10 23:14:23,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 411 transitions. [2024-11-10 23:14:23,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-11-10 23:14:23,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 308 states have (on average 1.3344155844155845) internal successors, (411), 307 states have internal predecessors, (411), 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 23:14:23,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 411 transitions. [2024-11-10 23:14:23,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 308 states and 411 transitions. [2024-11-10 23:14:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 23:14:23,303 INFO L425 stractBuchiCegarLoop]: Abstraction has 308 states and 411 transitions. [2024-11-10 23:14:23,304 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:14:23,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 411 transitions. [2024-11-10 23:14:23,306 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 205 [2024-11-10 23:14:23,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:23,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:23,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:23,307 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 23:14:23,307 INFO L745 eck$LassoCheckResult]: Stem: 969#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);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 705#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 706#L594 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 880#L587 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 674#L602 assume true;main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 675#L183 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 707#L155 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 848#L59 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 849#L617 [2024-11-10 23:14:23,307 INFO L747 eck$LassoCheckResult]: Loop: 849#L617 assume true; 881#L617-1 assume !false;assume true; 882#L619 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet31#1;test_~tmp~5#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 755#L627 assume !(0 != test_~tmp~5#1); 697#L635 havoc test_#t~nondet32#1;test_~tmp___0~1#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 698#L637 assume !(0 != test_~tmp___0~1#1); 847#L645 havoc test_#t~nondet33#1;test_~tmp___2~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 865#L647 assume 0 != test_~tmp___2~0#1; 745#L660 assume { :begin_inline_timeShift } true; 933#L789-2 assume !(0 != ~pumpRunning~0); 919#L796-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 884#L873-2 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret44#1, isMethaneAlarm_~retValue_acc~10#1;havoc isMethaneAlarm_~retValue_acc~10#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 885#L720-15 assume true;isMethaneAlarm_#t~ret44#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~10#1 := isMethaneAlarm_#t~ret44#1;havoc isMethaneAlarm_#t~ret44#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1; 959#L934-12 assume true;processEnvironment_#t~ret42#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret44#1, isMethaneAlarm_~retValue_acc~10#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~8#1 := processEnvironment_#t~ret42#1;havoc processEnvironment_#t~ret42#1; 942#L877-2 assume 0 != processEnvironment_~tmp~8#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 939#L924-6 assume true;assume { :end_inline_deactivatePump } true; 765#L891-2 assume true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true; 769#L804-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 770#L720-12 assume true;__utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 920#L70-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 678#L88-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 679#L806-2 assume true;assume { :end_inline_timeShift } true; 849#L617 [2024-11-10 23:14:23,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:23,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1760049178, now seen corresponding path program 2 times [2024-11-10 23:14:23,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:23,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571524227] [2024-11-10 23:14:23,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:23,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:23,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:23,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2139165197, now seen corresponding path program 1 times [2024-11-10 23:14:23,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:23,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967555686] [2024-11-10 23:14:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:23,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:23,378 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 23:14:23,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:23,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967555686] [2024-11-10 23:14:23,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967555686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:23,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:23,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:14:23,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160560876] [2024-11-10 23:14:23,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:23,381 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:14:23,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:23,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:14:23,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:14:23,381 INFO L87 Difference]: Start difference. First operand 308 states and 411 transitions. cyclomatic complexity: 105 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 23:14:23,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:23,493 INFO L93 Difference]: Finished difference Result 317 states and 403 transitions. [2024-11-10 23:14:23,493 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 317 states and 403 transitions. [2024-11-10 23:14:23,496 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 216 [2024-11-10 23:14:23,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 317 states to 317 states and 403 transitions. [2024-11-10 23:14:23,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 317 [2024-11-10 23:14:23,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 317 [2024-11-10 23:14:23,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 317 states and 403 transitions. [2024-11-10 23:14:23,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:23,506 INFO L218 hiAutomatonCegarLoop]: Abstraction has 317 states and 403 transitions. [2024-11-10 23:14:23,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states and 403 transitions. [2024-11-10 23:14:23,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2024-11-10 23:14:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 317 states have (on average 1.2712933753943219) internal successors, (403), 316 states have internal predecessors, (403), 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 23:14:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 403 transitions. [2024-11-10 23:14:23,519 INFO L240 hiAutomatonCegarLoop]: Abstraction has 317 states and 403 transitions. [2024-11-10 23:14:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:14:23,520 INFO L425 stractBuchiCegarLoop]: Abstraction has 317 states and 403 transitions. [2024-11-10 23:14:23,520 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:14:23,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 317 states and 403 transitions. [2024-11-10 23:14:23,522 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 216 [2024-11-10 23:14:23,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:23,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:23,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:23,525 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] [2024-11-10 23:14:23,525 INFO L745 eck$LassoCheckResult]: Stem: 1557#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);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1328#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 1329#L594 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1470#L587 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1299#L602 assume true;main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 1300#L183 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 1331#L155 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1440#L59 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1441#L617 [2024-11-10 23:14:23,526 INFO L747 eck$LassoCheckResult]: Loop: 1441#L617 assume true; 1467#L617-1 assume !false;assume true; 1468#L619 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet31#1;test_~tmp~5#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1538#L627 assume !(0 != test_~tmp~5#1); 1607#L635 havoc test_#t~nondet32#1;test_~tmp___0~1#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1605#L637 assume !(0 != test_~tmp___0~1#1); 1603#L645 havoc test_#t~nondet33#1;test_~tmp___2~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 1602#L647 assume 0 != test_~tmp___2~0#1; 1600#L660 assume { :begin_inline_timeShift } true; 1509#L789-2 assume !(0 != ~pumpRunning~0); 1510#L796-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 1472#L873-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret41#1, processEnvironment__wrappee__methaneQuery_~tmp~7#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~7#1; 1473#L847-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 1476#L821-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~10#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~10#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1478#L760-11 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1433#L765-11 assume true;isHighWaterLevel_#t~ret53#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~10#1 := isHighWaterLevel_#t~ret53#1;havoc isHighWaterLevel_#t~ret53#1; 1434#L992-11 assume 0 != isHighWaterLevel_~tmp~10#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1449#L997-11 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 1450#L998-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~10#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 1471#L825-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1489#L813-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1445#L839-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1374#L865-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret41#1, processEnvironment__wrappee__methaneQuery_~tmp~7#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1375#L891-2 assume true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true; 1378#L804-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1379#L720-12 assume true;__utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 1496#L70-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 1303#L88-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1304#L806-2 assume true;assume { :end_inline_timeShift } true; 1441#L617 [2024-11-10 23:14:23,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:23,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1760049178, now seen corresponding path program 3 times [2024-11-10 23:14:23,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:23,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923725389] [2024-11-10 23:14:23,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:23,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:23,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:23,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1341807993, now seen corresponding path program 1 times [2024-11-10 23:14:23,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:23,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692984536] [2024-11-10 23:14:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:23,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:14:23,605 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 23:14:23,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:14:23,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692984536] [2024-11-10 23:14:23,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692984536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:14:23,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:14:23,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:14:23,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222525629] [2024-11-10 23:14:23,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:14:23,606 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:14:23,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:14:23,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 23:14:23,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 23:14:23,607 INFO L87 Difference]: Start difference. First operand 317 states and 403 transitions. cyclomatic complexity: 88 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 23:14:23,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:14:23,720 INFO L93 Difference]: Finished difference Result 335 states and 421 transitions. [2024-11-10 23:14:23,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 335 states and 421 transitions. [2024-11-10 23:14:23,723 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 228 [2024-11-10 23:14:23,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 335 states to 335 states and 421 transitions. [2024-11-10 23:14:23,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 335 [2024-11-10 23:14:23,725 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 335 [2024-11-10 23:14:23,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 335 states and 421 transitions. [2024-11-10 23:14:23,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:14:23,730 INFO L218 hiAutomatonCegarLoop]: Abstraction has 335 states and 421 transitions. [2024-11-10 23:14:23,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states and 421 transitions. [2024-11-10 23:14:23,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2024-11-10 23:14:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 335 states have (on average 1.2567164179104477) internal successors, (421), 334 states have internal predecessors, (421), 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 23:14:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 421 transitions. [2024-11-10 23:14:23,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 335 states and 421 transitions. [2024-11-10 23:14:23,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 23:14:23,755 INFO L425 stractBuchiCegarLoop]: Abstraction has 335 states and 421 transitions. [2024-11-10 23:14:23,755 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:14:23,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 335 states and 421 transitions. [2024-11-10 23:14:23,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 228 [2024-11-10 23:14:23,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:14:23,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:14:23,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:14:23,757 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] [2024-11-10 23:14:23,758 INFO L745 eck$LassoCheckResult]: Stem: 2219#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);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1988#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 1989#L594 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2125#L587 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1959#L602 assume true;main_#t~ret6#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 1960#L183 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 1990#L155 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 2096#L59 assume true;assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2097#L617 [2024-11-10 23:14:23,758 INFO L747 eck$LassoCheckResult]: Loop: 2097#L617 assume true; 2126#L617-1 assume !false;assume true; 2127#L619 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet31#1;test_~tmp~5#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 2025#L627 assume !(0 != test_~tmp~5#1); 1982#L635 havoc test_#t~nondet32#1;test_~tmp___0~1#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1983#L637 assume !(0 != test_~tmp___0~1#1); 2095#L645 havoc test_#t~nondet33#1;test_~tmp___2~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 2113#L647 assume 0 != test_~tmp___2~0#1; 2021#L660 assume { :begin_inline_timeShift } true; 2168#L789-2 assume !(0 != ~pumpRunning~0); 2169#L796-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;havoc processEnvironment_~tmp~8#1; 2130#L873-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret41#1, processEnvironment__wrappee__methaneQuery_~tmp~7#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~7#1; 2131#L847-5 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6#1; 2132#L821-11 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~10#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~10#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 2136#L760-11 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 2214#L765-11 assume true;isHighWaterLevel_#t~ret53#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~10#1 := isHighWaterLevel_#t~ret53#1;havoc isHighWaterLevel_#t~ret53#1; 2238#L992-11 assume 0 != isHighWaterLevel_~tmp~10#1;isHighWaterLevel_~tmp___0~2#1 := 0; 2105#L997-11 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 2106#L998-11 assume true;processEnvironment__wrappee__highWaterSensor_#t~ret40#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret53#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~10#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6#1 := processEnvironment__wrappee__highWaterSensor_#t~ret40#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1; 2129#L825-11 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2147#L813-22 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 2198#L839-11 assume true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40#1, processEnvironment__wrappee__highWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2255#L865-5 assume true;havoc processEnvironment__wrappee__methaneQuery_#t~ret41#1, processEnvironment__wrappee__methaneQuery_~tmp~7#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2175#L891-2 assume true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~8#1;assume { :end_inline_processEnvironment } true; 2253#L804-2 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 2250#L720-12 assume true;__utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 2246#L70-2 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 2245#L88-2 assume true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 2208#L806-2 assume true;assume { :end_inline_timeShift } true; 2097#L617 [2024-11-10 23:14:23,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:23,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1760049178, now seen corresponding path program 4 times [2024-11-10 23:14:23,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:23,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759165374] [2024-11-10 23:14:23,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:23,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:23,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:23,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1673295625, now seen corresponding path program 1 times [2024-11-10 23:14:23,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:23,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065304458] [2024-11-10 23:14:23,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:23,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,798 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:23,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:14:23,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1832709250, now seen corresponding path program 1 times [2024-11-10 23:14:23,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:14:23,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116823059] [2024-11-10 23:14:23,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:14:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:14:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:23,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:14:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:24,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:14:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:14:24,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:14:24 BoogieIcfgContainer [2024-11-10 23:14:24,758 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:14:24,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:14:24,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:14:24,759 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:14:24,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:14:22" (3/4) ... [2024-11-10 23:14:24,764 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:14:24,837 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:14:24,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:14:24,838 INFO L158 Benchmark]: Toolchain (without parser) took 4151.10ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 97.1MB in the beginning and 84.8MB in the end (delta: 12.4MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2024-11-10 23:14:24,838 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 169.9MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:14:24,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.17ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 97.0MB in the beginning and 175.5MB in the end (delta: -78.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-10 23:14:24,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.32ms. Allocated memory is still 211.8MB. Free memory was 175.5MB in the beginning and 170.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:14:24,839 INFO L158 Benchmark]: Boogie Preprocessor took 82.53ms. Allocated memory is still 211.8MB. Free memory was 170.2MB in the beginning and 166.2MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:24,839 INFO L158 Benchmark]: IcfgBuilder took 1014.84ms. Allocated memory is still 211.8MB. Free memory was 165.1MB in the beginning and 105.4MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-10 23:14:24,839 INFO L158 Benchmark]: BuchiAutomizer took 2338.80ms. Allocated memory is still 211.8MB. Free memory was 105.4MB in the beginning and 87.9MB in the end (delta: 17.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-11-10 23:14:24,840 INFO L158 Benchmark]: Witness Printer took 78.96ms. Allocated memory is still 211.8MB. Free memory was 87.9MB in the beginning and 84.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:14:24,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 169.9MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.17ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 97.0MB in the beginning and 175.5MB in the end (delta: -78.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.32ms. Allocated memory is still 211.8MB. Free memory was 175.5MB in the beginning and 170.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.53ms. Allocated memory is still 211.8MB. Free memory was 170.2MB in the beginning and 166.2MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 1014.84ms. Allocated memory is still 211.8MB. Free memory was 165.1MB in the beginning and 105.4MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2338.80ms. Allocated memory is still 211.8MB. Free memory was 105.4MB in the beginning and 87.9MB in the end (delta: 17.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 78.96ms. Allocated memory is still 211.8MB. Free memory was 87.9MB in the beginning and 84.8MB 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,"Specification2_spec.i","") [49] - GenericResultAtLocation [Line: 91]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [91] - GenericResultAtLocation [Line: 196]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [196] - GenericResultAtLocation [Line: 562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [562] - GenericResultAtLocation [Line: 571]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [571] - GenericResultAtLocation [Line: 606]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [606] - GenericResultAtLocation [Line: 671]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [671] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [779] * 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 6 locations. The remainder module has 335 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 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, 1055 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1055 mSDsluCounter, 2522 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1500 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 1022 mSDtfsCounter, 173 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: 617]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L53] int methAndRunningLastTime ; [L92] int cleanupTimeShifts = 4; [L366] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L677] int waterLevel = 1; [L678] int methaneLevelCritical = 0; [L782] int pumpRunning = 0; [L783] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] int retValue_acc ; [L175] int tmp ; [L179] FCALL select_helpers() [L180] FCALL select_features() [L181] CALL, EXPR valid_product() [L598] int retValue_acc ; [L601] retValue_acc = 1 [L602] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] RET, EXPR valid_product() [L181] tmp = valid_product() [L183] COND TRUE \read(tmp) [L185] FCALL setup() [L186] CALL runTest() [L164] CALL __utac_acc__Specification2_spec__1() [L58] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] RET __utac_acc__Specification2_spec__1() [L165] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L660] CALL timeShift() [L789] COND FALSE !(\read(pumpRunning)) [L796] COND TRUE \read(systemActive) [L798] CALL processEnvironment() [L870] int tmp ; [L873] COND FALSE !(\read(pumpRunning)) [L888] CALL processEnvironment__wrappee__methaneQuery() [L844] int tmp ; [L847] COND FALSE !(\read(pumpRunning)) [L862] CALL processEnvironment__wrappee__highWaterSensor() [L818] int tmp ; [L821] COND TRUE ! pumpRunning [L823] CALL, EXPR isHighWaterLevel() [L984] int retValue_acc ; [L985] int tmp ; [L986] int tmp___0 ; [L990] CALL, EXPR isHighWaterSensorDry() [L757] int retValue_acc ; [L760] COND TRUE waterLevel < 2 [L761] retValue_acc = 1 [L762] return (retValue_acc); [L990] RET, EXPR isHighWaterSensorDry() [L990] tmp = isHighWaterSensorDry() [L992] COND TRUE \read(tmp) [L993] tmp___0 = 0 [L997] retValue_acc = tmp___0 [L998] return (retValue_acc); [L823] RET, EXPR isHighWaterLevel() [L823] tmp = isHighWaterLevel() [L825] COND FALSE !(\read(tmp)) [L831] FCALL processEnvironment__wrappee__base() [L862] RET processEnvironment__wrappee__highWaterSensor() [L888] RET processEnvironment__wrappee__methaneQuery() [L798] RET processEnvironment() [L804] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR isMethaneLevelCritical() [L716] int retValue_acc ; [L719] retValue_acc = methaneLevelCritical [L720] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() [L68] tmp = isMethaneLevelCritical() [L70] COND FALSE !(\read(tmp)) [L86] methAndRunningLastTime = 0 [L804] RET __utac_acc__Specification2_spec__2() [L660] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 617]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int methAndRunningLastTime ; [L92] int cleanupTimeShifts = 4; [L366] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L677] int waterLevel = 1; [L678] int methaneLevelCritical = 0; [L782] int pumpRunning = 0; [L783] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] int retValue_acc ; [L175] int tmp ; [L179] FCALL select_helpers() [L180] FCALL select_features() [L181] CALL, EXPR valid_product() [L598] int retValue_acc ; [L601] retValue_acc = 1 [L602] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] RET, EXPR valid_product() [L181] tmp = valid_product() [L183] COND TRUE \read(tmp) [L185] FCALL setup() [L186] CALL runTest() [L164] CALL __utac_acc__Specification2_spec__1() [L58] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] RET __utac_acc__Specification2_spec__1() [L165] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L660] CALL timeShift() [L789] COND FALSE !(\read(pumpRunning)) [L796] COND TRUE \read(systemActive) [L798] CALL processEnvironment() [L870] int tmp ; [L873] COND FALSE !(\read(pumpRunning)) [L888] CALL processEnvironment__wrappee__methaneQuery() [L844] int tmp ; [L847] COND FALSE !(\read(pumpRunning)) [L862] CALL processEnvironment__wrappee__highWaterSensor() [L818] int tmp ; [L821] COND TRUE ! pumpRunning [L823] CALL, EXPR isHighWaterLevel() [L984] int retValue_acc ; [L985] int tmp ; [L986] int tmp___0 ; [L990] CALL, EXPR isHighWaterSensorDry() [L757] int retValue_acc ; [L760] COND TRUE waterLevel < 2 [L761] retValue_acc = 1 [L762] return (retValue_acc); [L990] RET, EXPR isHighWaterSensorDry() [L990] tmp = isHighWaterSensorDry() [L992] COND TRUE \read(tmp) [L993] tmp___0 = 0 [L997] retValue_acc = tmp___0 [L998] return (retValue_acc); [L823] RET, EXPR isHighWaterLevel() [L823] tmp = isHighWaterLevel() [L825] COND FALSE !(\read(tmp)) [L831] FCALL processEnvironment__wrappee__base() [L862] RET processEnvironment__wrappee__highWaterSensor() [L888] RET processEnvironment__wrappee__methaneQuery() [L798] RET processEnvironment() [L804] CALL __utac_acc__Specification2_spec__2() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR isMethaneLevelCritical() [L716] int retValue_acc ; [L719] retValue_acc = methaneLevelCritical [L720] return (retValue_acc); [L68] RET, EXPR isMethaneLevelCritical() [L68] tmp = isMethaneLevelCritical() [L70] COND FALSE !(\read(tmp)) [L86] methAndRunningLastTime = 0 [L804] RET __utac_acc__Specification2_spec__2() [L660] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:14:24,869 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)