./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product09.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 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 08:48:19,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 08:48:19,422 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-17 08:48:19,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 08:48:19,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 08:48:19,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-17 08:48:19,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 08:48:19,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 08:48:19,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 08:48:19,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 08:48:19,474 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 08:48:19,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 08:48:19,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 08:48:19,475 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 08:48:19,475 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-17 08:48:19,475 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-17 08:48:19,476 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-17 08:48:19,476 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-17 08:48:19,476 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-17 08:48:19,476 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-17 08:48:19,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 08:48:19,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-17 08:48:19,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 08:48:19,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 08:48:19,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 08:48:19,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 08:48:19,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-17 08:48:19,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-17 08:48:19,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-17 08:48:19,481 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 08:48:19,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 08:48:19,481 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 08:48:19,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 08:48:19,481 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-17 08:48:19,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 08:48:19,481 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 08:48:19,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 08:48:19,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 08:48:19,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 08:48:19,482 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-17 08:48:19,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f [2024-11-17 08:48:19,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 08:48:19,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 08:48:19,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 08:48:19,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 08:48:19,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 08:48:19,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2024-11-17 08:48:21,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 08:48:21,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 08:48:21,214 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2024-11-17 08:48:21,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315022e12/8a47f2a27a2c4831a47661e4cf20a186/FLAG8e34fe7e7 [2024-11-17 08:48:21,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315022e12/8a47f2a27a2c4831a47661e4cf20a186 [2024-11-17 08:48:21,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 08:48:21,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 08:48:21,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:21,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 08:48:21,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 08:48:21,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac7418d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21, skipping insertion in model container [2024-11-17 08:48:21,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 08:48:21,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:21,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 08:48:21,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-17 08:48:21,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2024-11-17 08:48:21,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [270] [2024-11-17 08:48:21,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [336] [2024-11-17 08:48:21,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [345] [2024-11-17 08:48:21,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [446] [2024-11-17 08:48:21,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [812] [2024-11-17 08:48:21,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [847] [2024-11-17 08:48:21,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 08:48:21,970 INFO L204 MainTranslator]: Completed translation [2024-11-17 08:48:21,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21 WrapperNode [2024-11-17 08:48:21,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 08:48:21,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:21,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 08:48:21,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 08:48:21,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:21,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,021 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 42, statements flattened = 266 [2024-11-17 08:48:22,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 08:48:22,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 08:48:22,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 08:48:22,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 08:48:22,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,034 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,045 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 08:48:22,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,049 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 08:48:22,054 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 08:48:22,054 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 08:48:22,054 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 08:48:22,054 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (1/1) ... [2024-11-17 08:48:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-17 08:48:22,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 08:48:22,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 08:48:22,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 08:48:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 08:48:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 08:48:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 08:48:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 08:48:22,204 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 08:48:22,206 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 08:48:22,533 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L443-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-17 08:48:22,533 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:22,533 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:22,533 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:22,534 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:22,534 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-3: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:22,534 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-7: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:22,534 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-5: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; [2024-11-17 08:48:22,534 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-9: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:22,534 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L231-11: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; [2024-11-17 08:48:22,534 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L844-1: valid_product_#res#1 := valid_product_~retValue_acc~9#1; [2024-11-17 08:48:22,565 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-17 08:48:22,566 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 08:48:22,581 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 08:48:22,582 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 08:48:22,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:22 BoogieIcfgContainer [2024-11-17 08:48:22,582 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 08:48:22,583 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-17 08:48:22,583 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-17 08:48:22,586 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-17 08:48:22,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:22,587 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.11 08:48:21" (1/3) ... [2024-11-17 08:48:22,588 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63964721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:22, skipping insertion in model container [2024-11-17 08:48:22,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:22,588 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:48:21" (2/3) ... [2024-11-17 08:48:22,589 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63964721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.11 08:48:22, skipping insertion in model container [2024-11-17 08:48:22,589 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-17 08:48:22,589 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:22" (3/3) ... [2024-11-17 08:48:22,590 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2024-11-17 08:48:22,642 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-17 08:48:22,642 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-17 08:48:22,642 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-17 08:48:22,642 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-17 08:48:22,642 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-17 08:48:22,643 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-17 08:48:22,643 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-17 08:48:22,643 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-17 08:48:22,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:22,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2024-11-17 08:48:22,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:22,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:22,673 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:22,673 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] [2024-11-17 08:48:22,674 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-17 08:48:22,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:22,680 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2024-11-17 08:48:22,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:22,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:22,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:22,682 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] [2024-11-17 08:48:22,686 INFO L745 eck$LassoCheckResult]: Stem: 60#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 36#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 65#L835true assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 66#L828true assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 8#L843true assume true;main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 2#L433true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 22#L405true assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 67#L854true assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 5#L282true [2024-11-17 08:48:22,686 INFO L747 eck$LassoCheckResult]: Loop: 5#L282true assume true; 88#L282-1true assume !false; 21#test_while_0_continue#1true assume true; 77#L284true assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 31#L292true assume !(0 != test_~tmp~1#1); 86#L300true havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 24#L302true assume !(0 != test_~tmp___0~0#1); 9#L310true havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 74#L312true assume 0 != test_~tmp___2~0#1; 89#L325true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 75#L230-5true assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 54#L864-2true assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 64#L153-2true assume !(0 != ~pumpRunning~0); 18#L160-2true assume !(0 != ~systemActive~0); 16#L168-2true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 39#L131-2true assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 48#L875-2true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 40#L893-2true assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 53#L170-2true assume true;assume { :end_inline_timeShift } true; 5#L282true [2024-11-17 08:48:22,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1304088090, now seen corresponding path program 1 times [2024-11-17 08:48:22,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796501844] [2024-11-17 08:48:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:22,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1231932881, now seen corresponding path program 1 times [2024-11-17 08:48:22,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311029077] [2024-11-17 08:48:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:22,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:22,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:22,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1992437528, now seen corresponding path program 1 times [2024-11-17 08:48:22,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:22,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611055321] [2024-11-17 08:48:22,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:22,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:23,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:23,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611055321] [2024-11-17 08:48:23,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611055321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:23,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:23,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 08:48:23,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719792717] [2024-11-17 08:48:23,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:23,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:23,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 08:48:23,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 08:48:23,237 INFO L87 Difference]: Start difference. First operand has 90 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:23,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:23,333 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2024-11-17 08:48:23,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 103 transitions. [2024-11-17 08:48:23,337 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2024-11-17 08:48:23,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 73 states and 92 transitions. [2024-11-17 08:48:23,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2024-11-17 08:48:23,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2024-11-17 08:48:23,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 92 transitions. [2024-11-17 08:48:23,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:23,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-17 08:48:23,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 92 transitions. [2024-11-17 08:48:23,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-17 08:48:23,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 72 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:23,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2024-11-17 08:48:23,375 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-17 08:48:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:23,379 INFO L425 stractBuchiCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-17 08:48:23,380 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-17 08:48:23,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 92 transitions. [2024-11-17 08:48:23,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2024-11-17 08:48:23,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:23,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:23,385 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:23,385 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:23,385 INFO L745 eck$LassoCheckResult]: Stem: 258#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 237#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 238#L835 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 259#L828 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 202#L843 assume true;main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 192#L433 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 193#L405 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 225#L854 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 196#L282 [2024-11-17 08:48:23,386 INFO L747 eck$LassoCheckResult]: Loop: 196#L282 assume true; 197#L282-1 assume !false; 223#test_while_0_continue#1 assume true; 224#L284 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 233#L292 assume !(0 != test_~tmp~1#1); 234#L300 havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 227#L302 assume !(0 != test_~tmp___0~0#1); 203#L310 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 204#L312 assume 0 != test_~tmp___2~0#1; 261#L325 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 263#L230-5 assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 252#L864-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 253#L153-2 assume !(0 != ~pumpRunning~0); 218#L160-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 219#L177-2 assume true;assume { :end_inline_processEnvironment } true; 214#L168-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 215#L131-2 assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 242#L875-2 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 243#L893-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 244#L170-2 assume true;assume { :end_inline_timeShift } true; 196#L282 [2024-11-17 08:48:23,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1304088090, now seen corresponding path program 2 times [2024-11-17 08:48:23,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671807312] [2024-11-17 08:48:23,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:23,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1319922430, now seen corresponding path program 1 times [2024-11-17 08:48:23,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873422899] [2024-11-17 08:48:23,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:23,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,431 INFO L85 PathProgramCache]: Analyzing trace with hash 780885147, now seen corresponding path program 1 times [2024-11-17 08:48:23,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039466116] [2024-11-17 08:48:23,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 08:48:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 08:48:23,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 08:48:23,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039466116] [2024-11-17 08:48:23,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039466116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 08:48:23,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 08:48:23,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 08:48:23,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181574820] [2024-11-17 08:48:23,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 08:48:23,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 08:48:23,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 08:48:23,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 08:48:23,602 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:23,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 08:48:23,702 INFO L93 Difference]: Finished difference Result 134 states and 165 transitions. [2024-11-17 08:48:23,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 134 states and 165 transitions. [2024-11-17 08:48:23,704 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 92 [2024-11-17 08:48:23,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 134 states to 134 states and 165 transitions. [2024-11-17 08:48:23,706 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2024-11-17 08:48:23,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2024-11-17 08:48:23,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 165 transitions. [2024-11-17 08:48:23,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-17 08:48:23,707 INFO L218 hiAutomatonCegarLoop]: Abstraction has 134 states and 165 transitions. [2024-11-17 08:48:23,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 165 transitions. [2024-11-17 08:48:23,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-17 08:48:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 1.2313432835820894) internal successors, (165), 133 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 08:48:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 165 transitions. [2024-11-17 08:48:23,715 INFO L240 hiAutomatonCegarLoop]: Abstraction has 134 states and 165 transitions. [2024-11-17 08:48:23,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 08:48:23,717 INFO L425 stractBuchiCegarLoop]: Abstraction has 134 states and 165 transitions. [2024-11-17 08:48:23,717 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-17 08:48:23,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 165 transitions. [2024-11-17 08:48:23,718 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 92 [2024-11-17 08:48:23,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-17 08:48:23,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-17 08:48:23,719 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:23,719 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 08:48:23,719 INFO L745 eck$LassoCheckResult]: Stem: 484#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 460#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 461#L835 assume true;assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 487#L828 assume true;assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 423#L843 assume true;main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 413#L433 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 414#L405 assume true;assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 446#L854 assume true;assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 417#L282 [2024-11-17 08:48:23,719 INFO L747 eck$LassoCheckResult]: Loop: 417#L282 assume true; 418#L282-1 assume !false; 444#test_while_0_continue#1 assume true; 445#L284 assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet19#1;test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 455#L292 assume !(0 != test_~tmp~1#1); 456#L300 havoc test_#t~nondet20#1;test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 449#L302 assume !(0 != test_~tmp___0~0#1); 424#L310 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 425#L312 assume 0 != test_~tmp___2~0#1; 489#L325 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 491#L230-5 assume true;__utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 477#L864-2 assume true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 478#L153-2 assume !(0 != ~pumpRunning~0); 439#L160-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 440#L177-2 assume true;assume { :end_inline_processEnvironment } true; 546#L168-2 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 545#L131-2 assume true;__utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 474#L875-2 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; 437#L230-4 assume true;__utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 438#L879-2 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 466#L893-2 assume true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 467#L170-2 assume true;assume { :end_inline_timeShift } true; 417#L282 [2024-11-17 08:48:23,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1304088090, now seen corresponding path program 3 times [2024-11-17 08:48:23,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337807391] [2024-11-17 08:48:23,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:23,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1430714656, now seen corresponding path program 1 times [2024-11-17 08:48:23,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298025776] [2024-11-17 08:48:23,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:23,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 08:48:23,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1189262279, now seen corresponding path program 1 times [2024-11-17 08:48:23,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 08:48:23,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479177972] [2024-11-17 08:48:23,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 08:48:23,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 08:48:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:23,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 08:48:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:24,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 08:48:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 08:48:24,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.11 08:48:24 BoogieIcfgContainer [2024-11-17 08:48:24,453 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-17 08:48:24,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 08:48:24,453 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 08:48:24,453 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 08:48:24,454 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 08:48:22" (3/4) ... [2024-11-17 08:48:24,455 INFO L140 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-17 08:48:24,512 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 08:48:24,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 08:48:24,516 INFO L158 Benchmark]: Toolchain (without parser) took 2919.13ms. Allocated memory was 146.8MB in the beginning and 241.2MB in the end (delta: 94.4MB). Free memory was 75.8MB in the beginning and 156.5MB in the end (delta: -80.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,516 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 08:48:24,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.74ms. Allocated memory was 146.8MB in the beginning and 241.2MB in the end (delta: 94.4MB). Free memory was 75.6MB in the beginning and 196.8MB in the end (delta: -121.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.31ms. Allocated memory is still 241.2MB. Free memory was 196.8MB in the beginning and 194.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,518 INFO L158 Benchmark]: Boogie Preprocessor took 30.11ms. Allocated memory is still 241.2MB. Free memory was 194.7MB in the beginning and 192.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,519 INFO L158 Benchmark]: IcfgBuilder took 528.91ms. Allocated memory is still 241.2MB. Free memory was 192.6MB in the beginning and 173.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,519 INFO L158 Benchmark]: BuchiAutomizer took 1869.73ms. Allocated memory is still 241.2MB. Free memory was 173.7MB in the beginning and 158.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,519 INFO L158 Benchmark]: Witness Printer took 61.98ms. Allocated memory is still 241.2MB. Free memory was 158.6MB in the beginning and 156.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 08:48:24,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.74ms. Allocated memory was 146.8MB in the beginning and 241.2MB in the end (delta: 94.4MB). Free memory was 75.6MB in the beginning and 196.8MB in the end (delta: -121.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.31ms. Allocated memory is still 241.2MB. Free memory was 196.8MB in the beginning and 194.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.11ms. Allocated memory is still 241.2MB. Free memory was 194.7MB in the beginning and 192.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 528.91ms. Allocated memory is still 241.2MB. Free memory was 192.6MB in the beginning and 173.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1869.73ms. Allocated memory is still 241.2MB. Free memory was 173.7MB in the beginning and 158.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 61.98ms. Allocated memory is still 241.2MB. Free memory was 158.6MB in the beginning and 156.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 270]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [270] - GenericResultAtLocation [Line: 336]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [336] - GenericResultAtLocation [Line: 345]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [345] - GenericResultAtLocation [Line: 446]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [446] - GenericResultAtLocation [Line: 812]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [812] - GenericResultAtLocation [Line: 847]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [847] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 134 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 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 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 657 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 456 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 201 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 282]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L346] int cleanupTimeShifts = 4; [L616] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L848] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L414] CALL __utac_acc__Specification5_spec__1() [L853] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L414] RET __utac_acc__Specification5_spec__1() [L415] CALL test() [L273] int splverifierCounter ; [L274] int tmp ; [L275] int tmp___0 ; [L276] int tmp___1 ; [L277] int tmp___2 ; [L280] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L282] COND TRUE 1 [L284] COND TRUE splverifierCounter < 4 [L290] tmp = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp)) [L300] tmp___0 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___0)) [L310] tmp___2 = __VERIFIER_nondet_int() [L312] COND TRUE \read(tmp___2) [L325] CALL timeShift() [L151] CALL __utac_acc__Specification5_spec__2() [L862] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] switchedOnBeforeTS = isPumpRunning() [L151] RET __utac_acc__Specification5_spec__2() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] FCALL processEnvironment() [L168] CALL __utac_acc__Specification5_spec__3() [L868] int tmp ; [L869] int tmp___0 ; [L873] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L873] RET, EXPR getWaterLevel() [L873] tmp = getWaterLevel() [L875] COND TRUE tmp != 2 [L877] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L877] RET, EXPR isPumpRunning() [L877] tmp___0 = isPumpRunning() [L879] COND FALSE !(\read(tmp___0)) [L168] RET __utac_acc__Specification5_spec__3() [L325] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 282]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L346] int cleanupTimeShifts = 4; [L616] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L848] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] int retValue_acc ; [L425] int tmp ; [L429] FCALL select_helpers() [L430] FCALL select_features() [L431] CALL, EXPR valid_product() [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L431] RET, EXPR valid_product() [L431] tmp = valid_product() [L433] COND TRUE \read(tmp) [L435] FCALL setup() [L436] CALL runTest() [L414] CALL __utac_acc__Specification5_spec__1() [L853] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L414] RET __utac_acc__Specification5_spec__1() [L415] CALL test() [L273] int splverifierCounter ; [L274] int tmp ; [L275] int tmp___0 ; [L276] int tmp___1 ; [L277] int tmp___2 ; [L280] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L282] COND TRUE 1 [L284] COND TRUE splverifierCounter < 4 [L290] tmp = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp)) [L300] tmp___0 = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp___0)) [L310] tmp___2 = __VERIFIER_nondet_int() [L312] COND TRUE \read(tmp___2) [L325] CALL timeShift() [L151] CALL __utac_acc__Specification5_spec__2() [L862] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] switchedOnBeforeTS = isPumpRunning() [L151] RET __utac_acc__Specification5_spec__2() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] FCALL processEnvironment() [L168] CALL __utac_acc__Specification5_spec__3() [L868] int tmp ; [L869] int tmp___0 ; [L873] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L873] RET, EXPR getWaterLevel() [L873] tmp = getWaterLevel() [L875] COND TRUE tmp != 2 [L877] CALL, EXPR isPumpRunning() [L226] int retValue_acc ; [L229] retValue_acc = pumpRunning [L230] return (retValue_acc); [L877] RET, EXPR isPumpRunning() [L877] tmp___0 = isPumpRunning() [L879] COND FALSE !(\read(tmp___0)) [L168] RET __utac_acc__Specification5_spec__3() [L325] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-17 08:48:24,543 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)