./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 b1a2a4f6154f8b607411cb85c1a9c20d409d0ca16407a9f3bb2fc8f7ede01236 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:44:27,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:44:27,877 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:44:27,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:44:27,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:44:27,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:44:27,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:44:27,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:44:27,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:44:27,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:44:27,918 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:44:27,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:44:27,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:44:27,918 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:44:27,919 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:44:27,919 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:44:27,919 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:44:27,919 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:44:27,919 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:44:27,919 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:44:27,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:44:27,920 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:44:27,921 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:44:27,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:44:27,921 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:44:27,921 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:44:27,922 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:44:27,922 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:44:27,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:44:27,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:44:27,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:44:27,922 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:44:27,922 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-jdk21/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 -> b1a2a4f6154f8b607411cb85c1a9c20d409d0ca16407a9f3bb2fc8f7ede01236 [2025-02-06 19:44:28,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:44:28,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:44:28,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:44:28,207 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:44:28,207 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:44:28,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c [2025-02-06 19:44:29,588 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/436e428c0/658f276ae06d40f8ac67298f63afc45f/FLAG6dc18b339 [2025-02-06 19:44:29,895 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:44:29,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product34.cil.c [2025-02-06 19:44:29,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/436e428c0/658f276ae06d40f8ac67298f63afc45f/FLAG6dc18b339 [2025-02-06 19:44:29,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/436e428c0/658f276ae06d40f8ac67298f63afc45f [2025-02-06 19:44:29,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:44:29,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:44:29,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:29,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:44:29,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:44:29,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:29" (1/1) ... [2025-02-06 19:44:29,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a51d4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:29, skipping insertion in model container [2025-02-06 19:44:29,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:29" (1/1) ... [2025-02-06 19:44:29,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:44:30,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:30,221 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:44:30,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2025-02-06 19:44:30,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2025-02-06 19:44:30,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [519] [2025-02-06 19:44:30,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [528] [2025-02-06 19:44:30,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [627] [2025-02-06 19:44:30,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [695] [2025-02-06 19:44:30,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [859] [2025-02-06 19:44:30,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [885] [2025-02-06 19:44:30,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:30,288 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:44:30,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30 WrapperNode [2025-02-06 19:44:30,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:30,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:30,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:44:30,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:44:30,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,329 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 48, calls inlined = 51, statements flattened = 336 [2025-02-06 19:44:30,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:30,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:44:30,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:44:30,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:44:30,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,351 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]. [2025-02-06 19:44:30,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,356 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:44:30,361 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:44:30,361 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:44:30,361 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:44:30,362 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:44:30,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:44:30,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-06 19:44:30,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-06 19:44:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:44:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:44:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:44:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:44:30,484 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:44:30,486 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:44:30,810 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L624-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:44:30,811 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L624-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:44:30,811 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L624-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2025-02-06 19:44:30,811 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L848-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:30,813 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L848-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:30,814 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L848-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; [2025-02-06 19:44:30,814 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L578-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-02-06 19:44:30,814 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L578-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-02-06 19:44:30,814 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L578-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2025-02-06 19:44:30,814 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L793-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:44:30,815 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L793-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:44:30,815 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L793-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; [2025-02-06 19:44:30,815 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L917-1: valid_product_#res#1 := valid_product_~retValue_acc~11#1; [2025-02-06 19:44:30,815 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-1: main_#res#1 := main_~retValue_acc~0#1; [2025-02-06 19:44:30,839 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2025-02-06 19:44:30,839 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:44:30,848 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:44:30,848 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:44:30,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:30 BoogieIcfgContainer [2025-02-06 19:44:30,849 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:44:30,850 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:44:30,850 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:44:30,854 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:44:30,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:30,854 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:44:29" (1/3) ... [2025-02-06 19:44:30,855 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e815165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:30, skipping insertion in model container [2025-02-06 19:44:30,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:30,855 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30" (2/3) ... [2025-02-06 19:44:30,855 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e815165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:30, skipping insertion in model container [2025-02-06 19:44:30,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:30,856 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:30" (3/3) ... [2025-02-06 19:44:30,856 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product34.cil.c [2025-02-06 19:44:30,892 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:44:30,892 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:44:30,892 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:44:30,892 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:44:30,892 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:44:30,892 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:44:30,892 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:44:30,892 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:44:30,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2025-02-06 19:44:30,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2025-02-06 19:44:30,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:30,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:30,927 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:30,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:30,927 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:44:30,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2025-02-06 19:44:30,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2025-02-06 19:44:30,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:30,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:30,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:30,933 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:30,937 INFO L752 eck$LassoCheckResult]: Stem: "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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:30,937 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~4#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:30,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:30,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1480451879, now seen corresponding path program 1 times [2025-02-06 19:44:30,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:30,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751157231] [2025-02-06 19:44:30,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:30,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,027 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:31,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:31,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1180832114, now seen corresponding path program 1 times [2025-02-06 19:44:31,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586052605] [2025-02-06 19:44:31,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:31,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:44:31,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:44:31,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:44:31,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:31,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586052605] [2025-02-06 19:44:31,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586052605] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:31,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:31,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:44:31,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586543828] [2025-02-06 19:44:31,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:31,180 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:44:31,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:31,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:44:31,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:44:31,206 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-02-06 19:44:31,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:31,231 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2025-02-06 19:44:31,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 130 transitions. [2025-02-06 19:44:31,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2025-02-06 19:44:31,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 119 transitions. [2025-02-06 19:44:31,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2025-02-06 19:44:31,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2025-02-06 19:44:31,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 119 transitions. [2025-02-06 19:44:31,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:31,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2025-02-06 19:44:31,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 119 transitions. [2025-02-06 19:44:31,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-02-06 19:44:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 90 states have internal predecessors, (119), 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) [2025-02-06 19:44:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2025-02-06 19:44:31,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 119 transitions. [2025-02-06 19:44:31,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:44:31,279 INFO L432 stractBuchiCegarLoop]: Abstraction has 91 states and 119 transitions. [2025-02-06 19:44:31,280 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:44:31,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 119 transitions. [2025-02-06 19:44:31,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2025-02-06 19:44:31,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:31,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:31,284 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:31,285 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] [2025-02-06 19:44:31,285 INFO L752 eck$LassoCheckResult]: Stem: "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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:31,285 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~4#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet36#1;test_~tmp___1~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:31,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1480451879, now seen corresponding path program 2 times [2025-02-06 19:44:31,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579201289] [2025-02-06 19:44:31,286 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:44:31,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,293 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,302 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,302 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:44:31,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,302 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:31,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:31,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1039593786, now seen corresponding path program 1 times [2025-02-06 19:44:31,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53170743] [2025-02-06 19:44:31,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:31,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:44:31,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:44:31,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 19:44:31,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:31,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53170743] [2025-02-06 19:44:31,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53170743] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:31,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:31,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:44:31,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838879064] [2025-02-06 19:44:31,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:31,345 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:44:31,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:31,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:44:31,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:44:31,346 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. cyclomatic complexity: 30 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) [2025-02-06 19:44:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:31,412 INFO L93 Difference]: Finished difference Result 142 states and 180 transitions. [2025-02-06 19:44:31,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 180 transitions. [2025-02-06 19:44:31,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2025-02-06 19:44:31,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 180 transitions. [2025-02-06 19:44:31,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2025-02-06 19:44:31,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2025-02-06 19:44:31,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 180 transitions. [2025-02-06 19:44:31,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:31,417 INFO L218 hiAutomatonCegarLoop]: Abstraction has 142 states and 180 transitions. [2025-02-06 19:44:31,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 180 transitions. [2025-02-06 19:44:31,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2025-02-06 19:44:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.267605633802817) internal successors, (180), 141 states have internal predecessors, (180), 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) [2025-02-06 19:44:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 180 transitions. [2025-02-06 19:44:31,423 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 180 transitions. [2025-02-06 19:44:31,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:44:31,425 INFO L432 stractBuchiCegarLoop]: Abstraction has 142 states and 180 transitions. [2025-02-06 19:44:31,425 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:44:31,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 180 transitions. [2025-02-06 19:44:31,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2025-02-06 19:44:31,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:31,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:31,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:31,427 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] [2025-02-06 19:44:31,427 INFO L752 eck$LassoCheckResult]: Stem: "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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:31,427 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet33#1;test_~tmp~4#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet34#1;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet35#1;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1;" "isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~6#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1;" "assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1;" "processEnvironment_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret37#1;havoc processEnvironment_#t~ret37#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-02-06 19:44:31,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1480451879, now seen corresponding path program 3 times [2025-02-06 19:44:31,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580628419] [2025-02-06 19:44:31,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:44:31,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,434 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,442 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,443 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:44:31,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,443 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:31,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:31,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,456 INFO L85 PathProgramCache]: Analyzing trace with hash -200731375, now seen corresponding path program 1 times [2025-02-06 19:44:31,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12915769] [2025-02-06 19:44:31,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:31,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:44:31,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:44:31,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,474 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:31,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:44:31,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:44:31,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:31,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,484 INFO L85 PathProgramCache]: Analyzing trace with hash 430972729, now seen corresponding path program 1 times [2025-02-06 19:44:31,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578500603] [2025-02-06 19:44:31,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:31,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 19:44:31,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 19:44:31,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,502 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:31,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 19:44:31,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 19:44:31,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:32,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:32,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:32,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,430 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:32,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:32,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:32,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:44:32 BoogieIcfgContainer [2025-02-06 19:44:32,488 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:44:32,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:44:32,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:44:32,490 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:44:32,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:30" (3/4) ... [2025-02-06 19:44:32,491 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:44:32,543 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:44:32,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:44:32,544 INFO L158 Benchmark]: Toolchain (without parser) took 2609.16ms. Allocated memory is still 201.3MB. Free memory was 158.5MB in the beginning and 154.7MB in the end (delta: 3.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,544 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:32,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.25ms. Allocated memory is still 201.3MB. Free memory was 158.5MB in the beginning and 140.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 201.3MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:32,545 INFO L158 Benchmark]: Boogie Preprocessor took 29.40ms. Allocated memory is still 201.3MB. Free memory was 138.4MB in the beginning and 136.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,545 INFO L158 Benchmark]: IcfgBuilder took 487.90ms. Allocated memory is still 201.3MB. Free memory was 136.6MB in the beginning and 115.1MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,545 INFO L158 Benchmark]: BuchiAutomizer took 1638.63ms. Allocated memory is still 201.3MB. Free memory was 115.1MB in the beginning and 158.0MB in the end (delta: -42.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:32,546 INFO L158 Benchmark]: Witness Printer took 54.97ms. Allocated memory is still 201.3MB. Free memory was 158.0MB in the beginning and 154.7MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.25ms. Allocated memory is still 201.3MB. Free memory was 158.5MB in the beginning and 140.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.75ms. Allocated memory is still 201.3MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.40ms. Allocated memory is still 201.3MB. Free memory was 138.4MB in the beginning and 136.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 487.90ms. Allocated memory is still 201.3MB. Free memory was 136.6MB in the beginning and 115.1MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1638.63ms. Allocated memory is still 201.3MB. Free memory was 115.1MB in the beginning and 158.0MB in the end (delta: -42.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.97ms. Allocated memory is still 201.3MB. Free memory was 158.0MB in the beginning and 154.7MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. 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,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [519] - GenericResultAtLocation [Line: 528]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [528] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [627] - GenericResultAtLocation [Line: 695]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [695] - GenericResultAtLocation [Line: 859]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [859] - GenericResultAtLocation [Line: 885]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [885] * 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 3 locations. The remainder module has 142 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 335 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 268 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 639]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L534] int waterLevel = 1; [L535] int methaneLevelCritical = 0; [L699] int pumpRunning = 0; [L700] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L912] int retValue_acc ; [L915] retValue_acc = 1 [L916] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L630] int splverifierCounter ; [L631] int tmp ; [L632] int tmp___0 ; [L633] int tmp___1 ; [L634] int tmp___2 ; [L637] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L639] COND TRUE 1 [L641] COND TRUE splverifierCounter < 4 [L647] tmp = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp)) [L657] tmp___0 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___0)) [L667] tmp___2 = __VERIFIER_nondet_int() [L669] COND TRUE \read(tmp___2) [L671] CALL startSystem() [L855] systemActive = 1 [L671] RET startSystem() [L684] CALL timeShift() [L707] COND FALSE !(\read(pumpRunning)) [L714] COND TRUE \read(systemActive) [L716] CALL processEnvironment() [L736] int tmp ; [L739] COND TRUE ! pumpRunning [L741] CALL, EXPR isHighWaterLevel() [L833] int retValue_acc ; [L834] int tmp ; [L835] int tmp___0 ; [L839] CALL, EXPR isHighWaterSensorDry() [L614] int retValue_acc ; [L617] COND TRUE waterLevel < 2 [L618] retValue_acc = 1 [L619] return (retValue_acc); [L839] RET, EXPR isHighWaterSensorDry() [L839] tmp = isHighWaterSensorDry() [L841] COND TRUE \read(tmp) [L842] tmp___0 = 0 [L846] retValue_acc = tmp___0 [L847] return (retValue_acc); [L741] RET, EXPR isHighWaterLevel() [L741] tmp = isHighWaterLevel() [L743] COND FALSE !(\read(tmp)) [L749] FCALL processEnvironment__wrappee__base() [L716] RET processEnvironment() [L722] CALL __utac_acc__Specification1_spec__1() [L861] int tmp ; [L862] int tmp___0 ; [L866] CALL, EXPR isMethaneLevelCritical() [L573] int retValue_acc ; [L576] retValue_acc = methaneLevelCritical [L577] return (retValue_acc); [L866] RET, EXPR isMethaneLevelCritical() [L866] tmp = isMethaneLevelCritical() [L868] COND FALSE !(\read(tmp)) [L722] RET __utac_acc__Specification1_spec__1() [L684] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 639]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L534] int waterLevel = 1; [L535] int methaneLevelCritical = 0; [L699] int pumpRunning = 0; [L700] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L912] int retValue_acc ; [L915] retValue_acc = 1 [L916] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L630] int splverifierCounter ; [L631] int tmp ; [L632] int tmp___0 ; [L633] int tmp___1 ; [L634] int tmp___2 ; [L637] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L639] COND TRUE 1 [L641] COND TRUE splverifierCounter < 4 [L647] tmp = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp)) [L657] tmp___0 = __VERIFIER_nondet_int() [L659] COND FALSE !(\read(tmp___0)) [L667] tmp___2 = __VERIFIER_nondet_int() [L669] COND TRUE \read(tmp___2) [L671] CALL startSystem() [L855] systemActive = 1 [L671] RET startSystem() [L684] CALL timeShift() [L707] COND FALSE !(\read(pumpRunning)) [L714] COND TRUE \read(systemActive) [L716] CALL processEnvironment() [L736] int tmp ; [L739] COND TRUE ! pumpRunning [L741] CALL, EXPR isHighWaterLevel() [L833] int retValue_acc ; [L834] int tmp ; [L835] int tmp___0 ; [L839] CALL, EXPR isHighWaterSensorDry() [L614] int retValue_acc ; [L617] COND TRUE waterLevel < 2 [L618] retValue_acc = 1 [L619] return (retValue_acc); [L839] RET, EXPR isHighWaterSensorDry() [L839] tmp = isHighWaterSensorDry() [L841] COND TRUE \read(tmp) [L842] tmp___0 = 0 [L846] retValue_acc = tmp___0 [L847] return (retValue_acc); [L741] RET, EXPR isHighWaterLevel() [L741] tmp = isHighWaterLevel() [L743] COND FALSE !(\read(tmp)) [L749] FCALL processEnvironment__wrappee__base() [L716] RET processEnvironment() [L722] CALL __utac_acc__Specification1_spec__1() [L861] int tmp ; [L862] int tmp___0 ; [L866] CALL, EXPR isMethaneLevelCritical() [L573] int retValue_acc ; [L576] retValue_acc = methaneLevelCritical [L577] return (retValue_acc); [L866] RET, EXPR isMethaneLevelCritical() [L866] tmp = isMethaneLevelCritical() [L868] COND FALSE !(\read(tmp)) [L722] RET __utac_acc__Specification1_spec__1() [L684] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:44:32,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)