./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product35.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_spec4_product35.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 ef69c83623105b68e3213a0f6e5530f40867a5bc091f925c8e4d647572a9cdfc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:15:27,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:15:27,564 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:15:27,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:15:27,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:15:27,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:15:27,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:15:27,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:15:27,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:15:27,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:15:27,598 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:15:27,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:15:27,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:15:27,600 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:15:27,600 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:15:27,601 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:15:27,601 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:15:27,601 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:15:27,601 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:15:27,601 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:15:27,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:15:27,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:15:27,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:15:27,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:15:27,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:15:27,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:15:27,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:15:27,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:15:27,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:15:27,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:15:27,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:15:27,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:15:27,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:15:27,606 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:15:27,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:15:27,607 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:15:27,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:15:27,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:15:27,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:15:27,608 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:15:27,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef69c83623105b68e3213a0f6e5530f40867a5bc091f925c8e4d647572a9cdfc [2024-11-10 23:15:27,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:15:27,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:15:27,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:15:27,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:15:27,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:15:27,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2024-11-10 23:15:29,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:15:29,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:15:29,344 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2024-11-10 23:15:29,355 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c89a53d/6de9df93a7ba4943a4021b545697e552/FLAG20af6a2a9 [2024-11-10 23:15:29,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c89a53d/6de9df93a7ba4943a4021b545697e552 [2024-11-10 23:15:29,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:15:29,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:15:29,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:29,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:15:29,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:15:29,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5bbb91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29, skipping insertion in model container [2024-11-10 23:15:29,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:15:29,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:29,682 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:15:29,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-10 23:15:29,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [121] [2024-11-10 23:15:29,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [150] [2024-11-10 23:15:29,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [324] [2024-11-10 23:15:29,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [423] [2024-11-10 23:15:29,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [789] [2024-11-10 23:15:29,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [798] [2024-11-10 23:15:29,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [833] [2024-11-10 23:15:29,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:15:29,754 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:15:29,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29 WrapperNode [2024-11-10 23:15:29,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:15:29,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:29,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:15:29,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:15:29,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,801 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 52, statements flattened = 344 [2024-11-10 23:15:29,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:15:29,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:15:29,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:15:29,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:15:29,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,816 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,827 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 23:15:29,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:15:29,837 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:15:29,837 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:15:29,837 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:15:29,838 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (1/1) ... [2024-11-10 23:15:29,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:15:29,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:15:29,874 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 23:15:29,880 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 23:15:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:15:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:15:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:15:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:15:29,987 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:15:29,989 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:15:30,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:15:30,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:15:30,272 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L251-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-10 23:15:30,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L830-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-10 23:15:30,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L420-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-10 23:15:30,276 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:30,276 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:30,276 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L306-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-10 23:15:30,276 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L924-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:30,276 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L924-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:30,277 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L924-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; [2024-11-10 23:15:30,277 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L910-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:30,277 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L910-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:30,277 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L910-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; [2024-11-10 23:15:30,311 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-10 23:15:30,311 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:15:30,325 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:15:30,326 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:15:30,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:30 BoogieIcfgContainer [2024-11-10 23:15:30,327 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:15:30,328 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:15:30,328 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:15:30,331 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:15:30,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:30,331 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:15:29" (1/3) ... [2024-11-10 23:15:30,332 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@450ff947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:30, skipping insertion in model container [2024-11-10 23:15:30,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:30,332 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:15:29" (2/3) ... [2024-11-10 23:15:30,333 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@450ff947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:15:30, skipping insertion in model container [2024-11-10 23:15:30,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:15:30,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:30" (3/3) ... [2024-11-10 23:15:30,334 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product35.cil.c [2024-11-10 23:15:30,378 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:15:30,378 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:15:30,378 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:15:30,378 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:15:30,378 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:15:30,378 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:15:30,378 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:15:30,379 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:15:30,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 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 23:15:30,406 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-10 23:15:30,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:30,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:30,413 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:30,413 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 23:15:30,413 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:15:30,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 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 23:15:30,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-10 23:15:30,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:30,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:30,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:30,420 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 23:15:30,424 INFO L745 eck$LassoCheckResult]: Stem: 101#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 29#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 107#L821true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 68#L814true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 14#L829true assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 80#L410true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 111#L384true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 113#L65true [2024-11-10 23:15:30,424 INFO L747 eck$LassoCheckResult]: Loop: 113#L65true assume true; 43#L65-1true assume !false;assume true; 99#L67true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 45#L75true assume !(0 != test_~tmp~0#1); 24#L83true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 35#L85true assume !(0 != test_~tmp___0~0#1); 34#L93true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 70#L95true assume 0 != test_~tmp___2~0#1; 57#L110true assume { :begin_inline_timeShift } true; 23#L165-2true assume !(0 != ~pumpRunning~0); 41#L172-2true assume !(0 != ~systemActive~0); 11#L180-2true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 30#L909-2true assume true;__utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 27#L133-2true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 65#L147-2true assume true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 22#L182-2true assume true;assume { :end_inline_timeShift } true; 113#L65true [2024-11-10 23:15:30,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:30,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1851746310, now seen corresponding path program 1 times [2024-11-10 23:15:30,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:30,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812118591] [2024-11-10 23:15:30,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:30,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:30,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:30,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:30,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:30,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1564990215, now seen corresponding path program 1 times [2024-11-10 23:15:30,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:30,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933385365] [2024-11-10 23:15:30,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:30,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:30,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:30,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:30,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:30,578 INFO L85 PathProgramCache]: Analyzing trace with hash 144237310, now seen corresponding path program 1 times [2024-11-10 23:15:30,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:30,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901667083] [2024-11-10 23:15:30,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:30,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:30,697 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 23:15:30,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:30,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901667083] [2024-11-10 23:15:30,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901667083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:30,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:30,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:15:30,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8289051] [2024-11-10 23:15:30,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:30,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:30,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:30,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:30,803 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 23:15:30,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:30,847 INFO L93 Difference]: Finished difference Result 204 states and 266 transitions. [2024-11-10 23:15:30,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 204 states and 266 transitions. [2024-11-10 23:15:30,857 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 126 [2024-11-10 23:15:30,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 204 states to 182 states and 243 transitions. [2024-11-10 23:15:30,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 182 [2024-11-10 23:15:30,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 182 [2024-11-10 23:15:30,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 243 transitions. [2024-11-10 23:15:30,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:30,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 182 states and 243 transitions. [2024-11-10 23:15:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 243 transitions. [2024-11-10 23:15:30,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2024-11-10 23:15:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 179 states have (on average 1.335195530726257) internal successors, (239), 178 states have internal predecessors, (239), 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 23:15:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 239 transitions. [2024-11-10 23:15:30,901 INFO L240 hiAutomatonCegarLoop]: Abstraction has 179 states and 239 transitions. [2024-11-10 23:15:30,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:30,907 INFO L425 stractBuchiCegarLoop]: Abstraction has 179 states and 239 transitions. [2024-11-10 23:15:30,908 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 23:15:30,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 239 transitions. [2024-11-10 23:15:30,911 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 126 [2024-11-10 23:15:30,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:30,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:30,911 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:30,912 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:30,912 INFO L745 eck$LassoCheckResult]: Stem: 419#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 391#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 392#L821 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 373#L814 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 354#L829 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 355#L410 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 395#L384 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 376#L65 [2024-11-10 23:15:30,912 INFO L747 eck$LassoCheckResult]: Loop: 376#L65 assume true; 424#L65-1 assume !false;assume true; 415#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 417#L75 assume !(0 != test_~tmp~0#1); 384#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 385#L85 assume !(0 != test_~tmp___0~0#1); 399#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 374#L95 assume 0 != test_~tmp___2~0#1; 329#L110 assume { :begin_inline_timeShift } true; 330#L165-2 assume !(0 != ~pumpRunning~0); 381#L172-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 420#L197-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 426#L189-5 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 422#L215-2 assume true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 345#L180-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 346#L909-2 assume true;__utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 387#L133-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 367#L147-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 368#L182-2 assume true;assume { :end_inline_timeShift } true; 376#L65 [2024-11-10 23:15:30,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:30,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1851746310, now seen corresponding path program 2 times [2024-11-10 23:15:30,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:30,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140588672] [2024-11-10 23:15:30,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:30,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:30,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:30,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:30,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:30,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1608292297, now seen corresponding path program 1 times [2024-11-10 23:15:30,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:30,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93246537] [2024-11-10 23:15:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:30,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:30,976 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 23:15:30,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:30,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93246537] [2024-11-10 23:15:30,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93246537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:30,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:30,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:15:30,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18772364] [2024-11-10 23:15:30,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:30,978 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:30,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:30,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:15:30,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:15:30,979 INFO L87 Difference]: Start difference. First operand 179 states and 239 transitions. cyclomatic complexity: 64 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23:15:31,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:31,045 INFO L93 Difference]: Finished difference Result 282 states and 365 transitions. [2024-11-10 23:15:31,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 282 states and 365 transitions. [2024-11-10 23:15:31,047 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 205 [2024-11-10 23:15:31,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 282 states to 282 states and 365 transitions. [2024-11-10 23:15:31,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2024-11-10 23:15:31,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2024-11-10 23:15:31,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 365 transitions. [2024-11-10 23:15:31,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:31,051 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 365 transitions. [2024-11-10 23:15:31,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 365 transitions. [2024-11-10 23:15:31,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-10 23:15:31,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.2943262411347518) internal successors, (365), 281 states have internal predecessors, (365), 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 23:15:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 365 transitions. [2024-11-10 23:15:31,061 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 365 transitions. [2024-11-10 23:15:31,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 23:15:31,062 INFO L425 stractBuchiCegarLoop]: Abstraction has 282 states and 365 transitions. [2024-11-10 23:15:31,063 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 23:15:31,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 365 transitions. [2024-11-10 23:15:31,064 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 205 [2024-11-10 23:15:31,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:31,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:31,065 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:31,065 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] [2024-11-10 23:15:31,065 INFO L745 eck$LassoCheckResult]: Stem: 892#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 858#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 859#L821 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 835#L814 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 818#L829 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 819#L410 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 860#L384 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 841#L65 [2024-11-10 23:15:31,065 INFO L747 eck$LassoCheckResult]: Loop: 841#L65 assume true; 900#L65-1 assume !false;assume true; 889#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 891#L75 assume !(0 != test_~tmp~0#1); 846#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 847#L85 assume !(0 != test_~tmp___0~0#1); 866#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 838#L95 assume 0 != test_~tmp___2~0#1; 840#L110 assume { :begin_inline_timeShift } true; 973#L165-2 assume !(0 != ~pumpRunning~0); 962#L172-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 972#L197-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 918#L917-2 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 971#L922-2 assume true;isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 833#L299-2 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~2#1 := 0; 834#L304-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 970#L305-2 assume true;processEnvironment_#t~ret10#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret10#1;havoc processEnvironment_#t~ret10#1; 969#L201-2 assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 901#L189-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 897#L215-2 assume true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 810#L180-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 811#L909-2 assume true;__utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 851#L133-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 831#L147-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 832#L182-2 assume true;assume { :end_inline_timeShift } true; 841#L65 [2024-11-10 23:15:31,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1851746310, now seen corresponding path program 3 times [2024-11-10 23:15:31,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:31,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596092154] [2024-11-10 23:15:31,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:31,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:31,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:31,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:31,089 INFO L85 PathProgramCache]: Analyzing trace with hash 114693232, now seen corresponding path program 1 times [2024-11-10 23:15:31,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:31,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736226572] [2024-11-10 23:15:31,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:31,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:15:31,160 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 23:15:31,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:15:31,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736226572] [2024-11-10 23:15:31,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736226572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:15:31,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:15:31,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 23:15:31,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881291124] [2024-11-10 23:15:31,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:15:31,163 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:15:31,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:15:31,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 23:15:31,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 23:15:31,165 INFO L87 Difference]: Start difference. First operand 282 states and 365 transitions. cyclomatic complexity: 87 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 23:15:31,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 23:15:31,229 INFO L93 Difference]: Finished difference Result 294 states and 377 transitions. [2024-11-10 23:15:31,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 294 states and 377 transitions. [2024-11-10 23:15:31,233 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 213 [2024-11-10 23:15:31,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 294 states to 294 states and 377 transitions. [2024-11-10 23:15:31,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2024-11-10 23:15:31,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2024-11-10 23:15:31,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 377 transitions. [2024-11-10 23:15:31,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 23:15:31,240 INFO L218 hiAutomatonCegarLoop]: Abstraction has 294 states and 377 transitions. [2024-11-10 23:15:31,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 377 transitions. [2024-11-10 23:15:31,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-10 23:15:31,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 294 states have (on average 1.282312925170068) internal successors, (377), 293 states have internal predecessors, (377), 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 23:15:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 377 transitions. [2024-11-10 23:15:31,255 INFO L240 hiAutomatonCegarLoop]: Abstraction has 294 states and 377 transitions. [2024-11-10 23:15:31,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 23:15:31,256 INFO L425 stractBuchiCegarLoop]: Abstraction has 294 states and 377 transitions. [2024-11-10 23:15:31,256 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 23:15:31,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 377 transitions. [2024-11-10 23:15:31,258 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 213 [2024-11-10 23:15:31,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:15:31,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:15:31,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:15:31,258 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] [2024-11-10 23:15:31,259 INFO L745 eck$LassoCheckResult]: Stem: 1474#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1441#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1442#L821 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1422#L814 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1404#L829 assume true;main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 1405#L410 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1443#L384 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1427#L65 [2024-11-10 23:15:31,259 INFO L747 eck$LassoCheckResult]: Loop: 1427#L65 assume true; 1499#L65-1 assume !false;assume true; 1593#L67 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1591#L75 assume !(0 != test_~tmp~0#1); 1589#L83 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1587#L85 assume !(0 != test_~tmp___0~0#1); 1585#L93 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1584#L95 assume 0 != test_~tmp___2~0#1; 1582#L110 assume { :begin_inline_timeShift } true; 1581#L165-2 assume !(0 != ~pumpRunning~0); 1478#L172-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1479#L197-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1568#L917-2 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1573#L922-2 assume true;isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 1572#L299-2 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~2#1 := 0; 1571#L304-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1570#L305-2 assume true;processEnvironment_#t~ret10#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret10#1;havoc processEnvironment_#t~ret10#1; 1569#L201-2 assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1487#L189-4 assume true;assume { :end_inline_processEnvironment__wrappee__base } true; 1482#L215-2 assume true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1395#L180-2 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1396#L909-2 assume true;__utac_acc__Specification4_spec__1_#t~ret8#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret8#1;havoc __utac_acc__Specification4_spec__1_#t~ret8#1; 1437#L133-2 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 1418#L147-2 assume true;havoc __utac_acc__Specification4_spec__1_#t~ret8#1, __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1419#L182-2 assume true;assume { :end_inline_timeShift } true; 1427#L65 [2024-11-10 23:15:31,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:31,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1851746310, now seen corresponding path program 4 times [2024-11-10 23:15:31,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:31,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087227989] [2024-11-10 23:15:31,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:31,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:31,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:31,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:31,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:31,287 INFO L85 PathProgramCache]: Analyzing trace with hash 701499246, now seen corresponding path program 1 times [2024-11-10 23:15:31,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:31,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805540827] [2024-11-10 23:15:31,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:31,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:31,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:31,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:31,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:15:31,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1487651063, now seen corresponding path program 1 times [2024-11-10 23:15:31,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:15:31,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583614470] [2024-11-10 23:15:31,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:15:31,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:15:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:31,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:31,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:15:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:32,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:15:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:15:32,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:15:32 BoogieIcfgContainer [2024-11-10 23:15:32,172 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 23:15:32,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 23:15:32,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 23:15:32,173 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 23:15:32,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:15:30" (3/4) ... [2024-11-10 23:15:32,177 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-10 23:15:32,230 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 23:15:32,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 23:15:32,231 INFO L158 Benchmark]: Toolchain (without parser) took 2856.89ms. Allocated memory was 180.4MB in the beginning and 241.2MB in the end (delta: 60.8MB). Free memory was 122.5MB in the beginning and 156.7MB in the end (delta: -34.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-10 23:15:32,234 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 180.4MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:15:32,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.59ms. Allocated memory is still 180.4MB. Free memory was 122.3MB in the beginning and 101.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 23:15:32,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.88ms. Allocated memory is still 180.4MB. Free memory was 101.4MB in the beginning and 98.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:32,235 INFO L158 Benchmark]: Boogie Preprocessor took 34.37ms. Allocated memory is still 180.4MB. Free memory was 98.8MB in the beginning and 96.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:15:32,235 INFO L158 Benchmark]: IcfgBuilder took 490.44ms. Allocated memory was 180.4MB in the beginning and 241.2MB in the end (delta: 60.8MB). Free memory was 96.2MB in the beginning and 206.9MB in the end (delta: -110.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-10 23:15:32,236 INFO L158 Benchmark]: BuchiAutomizer took 1844.49ms. Allocated memory is still 241.2MB. Free memory was 206.9MB in the beginning and 159.9MB in the end (delta: 47.1MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-11-10 23:15:32,236 INFO L158 Benchmark]: Witness Printer took 57.87ms. Allocated memory is still 241.2MB. Free memory was 159.9MB in the beginning and 156.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:15:32,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 180.4MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.59ms. Allocated memory is still 180.4MB. Free memory was 122.3MB in the beginning and 101.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.88ms. Allocated memory is still 180.4MB. Free memory was 101.4MB in the beginning and 98.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.37ms. Allocated memory is still 180.4MB. Free memory was 98.8MB in the beginning and 96.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 490.44ms. Allocated memory was 180.4MB in the beginning and 241.2MB in the end (delta: 60.8MB). Free memory was 96.2MB in the beginning and 206.9MB in the end (delta: -110.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1844.49ms. Allocated memory is still 241.2MB. Free memory was 206.9MB in the beginning and 159.9MB in the end (delta: 47.1MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 57.87ms. Allocated memory is still 241.2MB. Free memory was 159.9MB in the beginning and 156.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [121] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [150] - GenericResultAtLocation [Line: 324]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [324] - GenericResultAtLocation [Line: 423]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [423] - GenericResultAtLocation [Line: 789]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [789] - GenericResultAtLocation [Line: 798]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [798] - GenericResultAtLocation [Line: 833]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [833] * 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 4 locations. The remainder module has 294 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 215 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 215 mSDsluCounter, 820 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 420 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 400 mSDtfsCounter, 69 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L325] int cleanupTimeShifts = 4; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L825] int retValue_acc ; [L828] retValue_acc = 1 [L829] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L914] int retValue_acc ; [L917] COND TRUE waterLevel < 2 [L918] retValue_acc = 1 [L919] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L126] int tmp ; [L127] int tmp___0 ; [L131] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L131] RET, EXPR getWaterLevel() [L131] tmp = getWaterLevel() [L133] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L325] int cleanupTimeShifts = 4; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L825] int retValue_acc ; [L828] retValue_acc = 1 [L829] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L914] int retValue_acc ; [L917] COND TRUE waterLevel < 2 [L918] retValue_acc = 1 [L919] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND TRUE \read(tmp) [L300] tmp___0 = 0 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification4_spec__1() [L126] int tmp ; [L127] int tmp___0 ; [L131] CALL, EXPR getWaterLevel() [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L131] RET, EXPR getWaterLevel() [L131] tmp = getWaterLevel() [L133] COND FALSE !(tmp == 0) [L180] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-10 23:15:32,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)