./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product36.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_product36.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 dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 19:44:28,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 19:44:28,823 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-02-06 19:44:28,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 19:44:28,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 19:44:28,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-02-06 19:44:28,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 19:44:28,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 19:44:28,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 19:44:28,842 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 19:44:28,842 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 19:44:28,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 19:44:28,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 19:44:28,842 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 19:44:28,842 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-06 19:44:28,842 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-06 19:44:28,842 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-06 19:44:28,842 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-06 19:44:28,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-06 19:44:28,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-06 19:44:28,844 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 19:44:28,844 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 19:44:28,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 19:44:28,844 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-06 19:44:28,844 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 19:44:28,844 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 19:44:28,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 19:44:28,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 19:44:28,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 19:44:28,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 19:44:28,845 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-06 19:44:28,845 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 -> dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a [2025-02-06 19:44:29,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 19:44:29,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 19:44:29,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 19:44:29,014 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 19:44:29,014 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 19:44:29,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2025-02-06 19:44:30,216 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/af4721fc0/2e93813a5f914f66b41103a35bc0eed8/FLAG81b88fd3d [2025-02-06 19:44:30,517 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 19:44:30,517 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2025-02-06 19:44:30,529 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/af4721fc0/2e93813a5f914f66b41103a35bc0eed8/FLAG81b88fd3d [2025-02-06 19:44:30,544 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/af4721fc0/2e93813a5f914f66b41103a35bc0eed8 [2025-02-06 19:44:30,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 19:44:30,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 19:44:30,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:30,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 19:44:30,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 19:44:30,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e194ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30, skipping insertion in model container [2025-02-06 19:44:30,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:44:30" (1/1) ... [2025-02-06 19:44:30,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 19:44:30,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:30,756 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 19:44:30,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-02-06 19:44:30,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2025-02-06 19:44:30,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [245] [2025-02-06 19:44:30,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [342] [2025-02-06 19:44:30,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [412] [2025-02-06 19:44:30,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [450] [2025-02-06 19:44:30,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [816] [2025-02-06 19:44:30,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [842] [2025-02-06 19:44:30,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 19:44:30,846 INFO L204 MainTranslator]: Completed translation [2025-02-06 19:44:30,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:44:30 WrapperNode [2025-02-06 19:44:30,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 19:44:30,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:30,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 19:44:30,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 19:44:30,852 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 19:44:30,861 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 19:44:30,884 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 343 [2025-02-06 19:44:30,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 19:44:30,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 19:44:30,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 19:44:30,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 19:44:30,893 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 19:44:30,893 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 19:44:30,899 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 19:44:30,914 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 19:44:30,914 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 19:44:30,914 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 19:44:30,921 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 19:44:30,922 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 19:44:30,922 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 19:44:30,923 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 19:44:30,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 19:44:30,928 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 19:44:30,929 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 19:44:30,929 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 19:44:30,930 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 19:44:30,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-06 19:44:30,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 19:44:30,959 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 19:44:30,966 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 19:44:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 19:44:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 19:44:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 19:44:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 19:44:31,022 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 19:44:31,023 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L219-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L219-3: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L219-5: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L339-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L339-3: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L339-5: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L935-1: main_#res#1 := main_~retValue_acc~11#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L293-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L293-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L293-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L164-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:44:31,302 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L164-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:44:31,303 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L164-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-02-06 19:44:31,303 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L447-1: valid_product_#res#1 := valid_product_~retValue_acc~7#1; [2025-02-06 19:44:31,329 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2025-02-06 19:44:31,329 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 19:44:31,341 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 19:44:31,343 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 19:44:31,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:31 BoogieIcfgContainer [2025-02-06 19:44:31,343 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 19:44:31,344 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-06 19:44:31,344 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-06 19:44:31,348 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-06 19:44:31,349 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:31,349 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.02 07:44:30" (1/3) ... [2025-02-06 19:44:31,350 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aadd4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:31, skipping insertion in model container [2025-02-06 19:44:31,350 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:31,350 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 19:44:31,351 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3aadd4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.02 07:44:31, skipping insertion in model container [2025-02-06 19:44:31,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-06 19:44:31,351 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:31" (3/3) ... [2025-02-06 19:44:31,353 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2025-02-06 19:44:31,395 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-06 19:44:31,395 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-06 19:44:31,395 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-06 19:44:31,395 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-06 19:44:31,395 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-06 19:44:31,396 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-06 19:44:31,397 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-06 19:44:31,397 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-06 19:44:31,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 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 19:44:31,418 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2025-02-06 19:44:31,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:31,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:31,422 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:31,423 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 19:44:31,423 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-06 19:44:31,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 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 19:44:31,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2025-02-06 19:44:31,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:31,427 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] [2025-02-06 19:44:31,432 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:31,433 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet23#1;test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp___1~0#1);" "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~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#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~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#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 19:44:31,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,436 INFO L85 PathProgramCache]: Analyzing trace with hash 644190784, now seen corresponding path program 1 times [2025-02-06 19:44:31,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807032106] [2025-02-06 19:44:31,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:31,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,514 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:31,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:31,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,544 INFO L85 PathProgramCache]: Analyzing trace with hash -890219437, now seen corresponding path program 1 times [2025-02-06 19:44:31,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242720759] [2025-02-06 19:44:31,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:31,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:44:31,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:44:31,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,558 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:31,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 19:44:31,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 19:44:31,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:31,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1103071378, now seen corresponding path program 1 times [2025-02-06 19:44:31,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069750209] [2025-02-06 19:44:31,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:31,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 19:44:31,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 19:44:31,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:31,737 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 19:44:31,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:31,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069750209] [2025-02-06 19:44:31,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069750209] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:31,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:31,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 19:44:31,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214559587] [2025-02-06 19:44:31,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:31,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:31,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 19:44:31,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 19:44:31,854 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 19:44:31,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:31,927 INFO L93 Difference]: Finished difference Result 264 states and 342 transitions. [2025-02-06 19:44:31,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 264 states and 342 transitions. [2025-02-06 19:44:31,932 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 169 [2025-02-06 19:44:31,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 264 states to 234 states and 312 transitions. [2025-02-06 19:44:31,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2025-02-06 19:44:31,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234 [2025-02-06 19:44:31,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 312 transitions. [2025-02-06 19:44:31,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:31,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 234 states and 312 transitions. [2025-02-06 19:44:31,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 312 transitions. [2025-02-06 19:44:31,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 145. [2025-02-06 19:44:31,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3310344827586207) internal successors, (193), 144 states have internal predecessors, (193), 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 19:44:31,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 193 transitions. [2025-02-06 19:44:31,961 INFO L240 hiAutomatonCegarLoop]: Abstraction has 145 states and 193 transitions. [2025-02-06 19:44:31,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 19:44:31,963 INFO L432 stractBuchiCegarLoop]: Abstraction has 145 states and 193 transitions. [2025-02-06 19:44:31,964 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-06 19:44:31,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 193 transitions. [2025-02-06 19:44:31,965 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103 [2025-02-06 19:44:31,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:31,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:31,966 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:31,966 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 19:44:31,966 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:31,966 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#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~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#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~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#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~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#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 19:44:31,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,967 INFO L85 PathProgramCache]: Analyzing trace with hash 644190784, now seen corresponding path program 2 times [2025-02-06 19:44:31,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452994855] [2025-02-06 19:44:31,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 19:44:31,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,971 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,974 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,974 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 19:44:31,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,974 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:31,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:31,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:31,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:31,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:31,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:31,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1555126010, now seen corresponding path program 1 times [2025-02-06 19:44:31,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:31,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636927588] [2025-02-06 19:44:31,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:31,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:31,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 19:44:31,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 19:44:31,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:31,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 19:44:31,996 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 19:44:31,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 19:44:31,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636927588] [2025-02-06 19:44:31,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636927588] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 19:44:31,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 19:44:31,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 19:44:31,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433291539] [2025-02-06 19:44:31,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 19:44:31,997 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-06 19:44:31,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 19:44:31,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 19:44:31,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 19:44:31,998 INFO L87 Difference]: Start difference. First operand 145 states and 193 transitions. cyclomatic complexity: 51 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 19:44:32,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 19:44:32,035 INFO L93 Difference]: Finished difference Result 191 states and 243 transitions. [2025-02-06 19:44:32,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 243 transitions. [2025-02-06 19:44:32,036 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 139 [2025-02-06 19:44:32,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 191 states and 243 transitions. [2025-02-06 19:44:32,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 191 [2025-02-06 19:44:32,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 191 [2025-02-06 19:44:32,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 191 states and 243 transitions. [2025-02-06 19:44:32,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-06 19:44:32,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 191 states and 243 transitions. [2025-02-06 19:44:32,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states and 243 transitions. [2025-02-06 19:44:32,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2025-02-06 19:44:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 191 states have (on average 1.2722513089005236) internal successors, (243), 190 states have internal predecessors, (243), 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 19:44:32,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 243 transitions. [2025-02-06 19:44:32,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 243 transitions. [2025-02-06 19:44:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 19:44:32,044 INFO L432 stractBuchiCegarLoop]: Abstraction has 191 states and 243 transitions. [2025-02-06 19:44:32,044 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-06 19:44:32,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 243 transitions. [2025-02-06 19:44:32,046 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 139 [2025-02-06 19:44:32,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-06 19:44:32,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-06 19:44:32,046 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 19:44:32,046 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 19:44:32,046 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-02-06 19:44:32,046 INFO L754 eck$LassoCheckResult]: Loop: "assume true;" "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet20#1;test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet21#1;test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet23#1;test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#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~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1;" "isHighWaterLevel_#t~ret14#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret14#1;havoc isHighWaterLevel_#t~ret14#1;" "assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret4#1;havoc processEnvironment_#t~ret4#1;" "assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#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~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#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~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#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 19:44:32,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:32,047 INFO L85 PathProgramCache]: Analyzing trace with hash 644190784, now seen corresponding path program 3 times [2025-02-06 19:44:32,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:32,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321886817] [2025-02-06 19:44:32,047 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 19:44:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:32,050 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:32,053 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:32,053 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 19:44:32,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,053 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:32,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:32,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:32,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:32,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:32,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1391558480, now seen corresponding path program 1 times [2025-02-06 19:44:32,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:32,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107044968] [2025-02-06 19:44:32,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:32,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:32,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:44:32,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:44:32,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,064 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:32,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 19:44:32,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 19:44:32,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:32,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 19:44:32,069 INFO L85 PathProgramCache]: Analyzing trace with hash 504340977, now seen corresponding path program 1 times [2025-02-06 19:44:32,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 19:44:32,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165263370] [2025-02-06 19:44:32,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 19:44:32,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 19:44:32,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 19:44:32,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 19:44:32,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,078 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:32,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 19:44:32,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 19:44:32,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 19:44:32,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:32,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:32,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,692 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 19:44:32,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 19:44:32,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 19:44:32,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 19:44:32,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 19:44:32,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.02 07:44:32 BoogieIcfgContainer [2025-02-06 19:44:32,726 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-06 19:44:32,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 19:44:32,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 19:44:32,726 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 19:44:32,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:44:31" (3/4) ... [2025-02-06 19:44:32,728 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-02-06 19:44:32,753 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 19:44:32,753 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 19:44:32,753 INFO L158 Benchmark]: Toolchain (without parser) took 2206.50ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 92.6MB in the end (delta: 12.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,754 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:32,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.67ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 86.2MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.11ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 84.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,754 INFO L158 Benchmark]: Boogie Preprocessor took 36.67ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 82.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:32,754 INFO L158 Benchmark]: IcfgBuilder took 414.63ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 60.9MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 19:44:32,754 INFO L158 Benchmark]: BuchiAutomizer took 1382.16ms. Allocated memory is still 142.6MB. Free memory was 60.9MB in the beginning and 96.1MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:32,755 INFO L158 Benchmark]: Witness Printer took 26.63ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 92.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 19:44:32,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.67ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 86.2MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.11ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 84.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.67ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 82.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 414.63ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 60.9MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1382.16ms. Allocated memory is still 142.6MB. Free memory was 60.9MB in the beginning and 96.1MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 26.63ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 92.6MB in the end (delta: 3.4MB). There was no memory consumed. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 245]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [245] - GenericResultAtLocation [Line: 342]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [342] - GenericResultAtLocation [Line: 412]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [412] - GenericResultAtLocation [Line: 450]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [450] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [816] - GenericResultAtLocation [Line: 842]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [842] * 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 191 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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, 89 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 454 mSDsluCounter, 811 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 530 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 281 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 354]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND FALSE !(\read(tmp___2)) [L390] tmp___1 = __VERIFIER_nondet_int() [L392] COND FALSE !(\read(tmp___1)) [L401] CALL timeShift() [L78] COND FALSE !(\read(pumpRunning)) [L85] COND TRUE \read(systemActive) [L87] CALL processEnvironment() [L107] int tmp ; [L110] COND TRUE ! pumpRunning [L112] CALL, EXPR isHighWaterLevel() [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L210] CALL, EXPR isHighWaterSensorDry() [L329] int retValue_acc ; [L332] COND TRUE waterLevel < 2 [L333] retValue_acc = 1 [L334] return (retValue_acc); [L210] RET, EXPR isHighWaterSensorDry() [L210] tmp = isHighWaterSensorDry() [L212] COND TRUE \read(tmp) [L213] tmp___0 = 0 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] RET, EXPR isHighWaterLevel() [L112] tmp = isHighWaterLevel() [L114] COND FALSE !(\read(tmp)) [L120] FCALL processEnvironment__wrappee__base() [L87] RET processEnvironment() [L93] CALL __utac_acc__Specification1_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isMethaneLevelCritical() [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() [L823] tmp = isMethaneLevelCritical() [L825] COND FALSE !(\read(tmp)) [L93] RET __utac_acc__Specification1_spec__1() [L401] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 354]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND FALSE !(\read(tmp___2)) [L390] tmp___1 = __VERIFIER_nondet_int() [L392] COND FALSE !(\read(tmp___1)) [L401] CALL timeShift() [L78] COND FALSE !(\read(pumpRunning)) [L85] COND TRUE \read(systemActive) [L87] CALL processEnvironment() [L107] int tmp ; [L110] COND TRUE ! pumpRunning [L112] CALL, EXPR isHighWaterLevel() [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L210] CALL, EXPR isHighWaterSensorDry() [L329] int retValue_acc ; [L332] COND TRUE waterLevel < 2 [L333] retValue_acc = 1 [L334] return (retValue_acc); [L210] RET, EXPR isHighWaterSensorDry() [L210] tmp = isHighWaterSensorDry() [L212] COND TRUE \read(tmp) [L213] tmp___0 = 0 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] RET, EXPR isHighWaterLevel() [L112] tmp = isHighWaterLevel() [L114] COND FALSE !(\read(tmp)) [L120] FCALL processEnvironment__wrappee__base() [L87] RET processEnvironment() [L93] CALL __utac_acc__Specification1_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isMethaneLevelCritical() [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() [L823] tmp = isMethaneLevelCritical() [L825] COND FALSE !(\read(tmp)) [L93] RET __utac_acc__Specification1_spec__1() [L401] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-02-06 19:44:32,778 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)