./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:28:52,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:28:52,155 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:28:52,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:28:52,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:28:52,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:28:52,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:28:52,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:28:52,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:28:52,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:28:52,177 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:28:52,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:28:52,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:28:52,178 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:28:52,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:28:52,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:28:52,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:28:52,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:28:52,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:28:52,180 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:28:52,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:28:52,181 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:28:52,181 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:28:52,181 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:28:52,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:28:52,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:28:52,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:28:52,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:28:52,182 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:28:52,182 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/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 -> f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 [2025-03-09 07:28:52,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:28:52,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:28:52,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:28:52,465 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:28:52,466 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:28:52,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2025-03-09 07:28:53,631 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b089cd6a1/8330511a5bde4544879b8741b15c6480/FLAG6256dc7ec [2025-03-09 07:28:53,875 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:28:53,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2025-03-09 07:28:53,888 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b089cd6a1/8330511a5bde4544879b8741b15c6480/FLAG6256dc7ec [2025-03-09 07:28:53,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b089cd6a1/8330511a5bde4544879b8741b15c6480 [2025-03-09 07:28:53,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:28:53,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:28:53,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:28:53,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:28:53,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:28:53,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:28:53" (1/1) ... [2025-03-09 07:28:53,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242ba109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:53, skipping insertion in model container [2025-03-09 07:28:53,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:28:53" (1/1) ... [2025-03-09 07:28:53,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:28:54,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:28:54,152 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:28:54,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2025-03-09 07:28:54,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] [2025-03-09 07:28:54,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [163] [2025-03-09 07:28:54,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201] [2025-03-09 07:28:54,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] [2025-03-09 07:28:54,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [309] [2025-03-09 07:28:54,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [675] [2025-03-09 07:28:54,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [852] [2025-03-09 07:28:54,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:28:54,204 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:28:54,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54 WrapperNode [2025-03-09 07:28:54,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:28:54,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:28:54,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:28:54,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:28:54,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,244 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 53, statements flattened = 313 [2025-03-09 07:28:54,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:28:54,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:28:54,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:28:54,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:28:54,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,265 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]. [2025-03-09 07:28:54,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,269 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:28:54,273 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:28:54,273 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:28:54,273 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:28:54,278 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (1/1) ... [2025-03-09 07:28:54,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:28:54,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:28:54,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-09 07:28:54,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-09 07:28:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:28:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:28:54,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:28:54,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:28:54,382 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:28:54,383 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:28:54,673 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L781-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L781-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L781-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~8#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L790-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L297-1: main_#res#1 := main_~retValue_acc~4#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L198-1: valid_product_#res#1 := valid_product_~retValue_acc~3#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-09 07:28:54,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-09 07:28:54,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L100-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; [2025-03-09 07:28:54,686 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2025-03-09 07:28:54,686 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:28:54,693 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:28:54,694 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:28:54,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:28:54 BoogieIcfgContainer [2025-03-09 07:28:54,695 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:28:54,696 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:28:54,696 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:28:54,700 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:28:54,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:28:54,701 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:28:53" (1/3) ... [2025-03-09 07:28:54,701 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ac3036c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:28:54, skipping insertion in model container [2025-03-09 07:28:54,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:28:54,701 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:28:54" (2/3) ... [2025-03-09 07:28:54,702 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ac3036c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:28:54, skipping insertion in model container [2025-03-09 07:28:54,702 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:28:54,702 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:28:54" (3/3) ... [2025-03-09 07:28:54,703 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2025-03-09 07:28:54,738 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:28:54,739 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:28:54,739 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:28:54,739 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:28:54,739 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:28:54,739 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:28:54,739 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:28:54,739 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:28:54,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3333333333333333) internal successors, (132), 99 states have internal predecessors, (132), 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) [2025-03-09 07:28:54,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2025-03-09 07:28:54,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:28:54,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:28:54,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:54,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:54,759 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:28:54,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3333333333333333) internal successors, (132), 99 states have internal predecessors, (132), 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) [2025-03-09 07:28:54,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2025-03-09 07:28:54,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:28:54,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:28:54,764 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:54,764 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:54,767 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 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~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:28:54,768 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet50#1;test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#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~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:28:54,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:54,771 INFO L85 PathProgramCache]: Analyzing trace with hash -517682772, now seen corresponding path program 1 times [2025-03-09 07:28:54,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:54,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250507668] [2025-03-09 07:28:54,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:54,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:54,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:54,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:54,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:54,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:54,835 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:54,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:54,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:54,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:54,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:54,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:54,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:54,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1652373666, now seen corresponding path program 1 times [2025-03-09 07:28:54,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:54,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435251004] [2025-03-09 07:28:54,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:54,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:54,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:28:54,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:28:54,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:54,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:54,877 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:54,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-03-09 07:28:54,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-03-09 07:28:54,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:54,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:54,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:54,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:54,886 INFO L85 PathProgramCache]: Analyzing trace with hash 58856019, now seen corresponding path program 1 times [2025-03-09 07:28:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:54,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256309079] [2025-03-09 07:28:54,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:54,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:54,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 07:28:54,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 07:28:54,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:54,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:28:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 07:28:55,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:28:55,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256309079] [2025-03-09 07:28:55,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256309079] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:28:55,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:28:55,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-09 07:28:55,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141778446] [2025-03-09 07:28:55,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:28:55,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:28:55,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 07:28:55,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-09 07:28:55,128 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3333333333333333) internal successors, (132), 99 states have internal predecessors, (132), 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 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 07:28:55,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:28:55,219 INFO L93 Difference]: Finished difference Result 240 states and 306 transitions. [2025-03-09 07:28:55,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 240 states and 306 transitions. [2025-03-09 07:28:55,228 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 151 [2025-03-09 07:28:55,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 240 states to 210 states and 276 transitions. [2025-03-09 07:28:55,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2025-03-09 07:28:55,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2025-03-09 07:28:55,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 276 transitions. [2025-03-09 07:28:55,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:28:55,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 210 states and 276 transitions. [2025-03-09 07:28:55,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 276 transitions. [2025-03-09 07:28:55,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 132. [2025-03-09 07:28:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.3181818181818181) internal successors, (174), 131 states have internal predecessors, (174), 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) [2025-03-09 07:28:55,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 174 transitions. [2025-03-09 07:28:55,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 174 transitions. [2025-03-09 07:28:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 07:28:55,262 INFO L432 stractBuchiCegarLoop]: Abstraction has 132 states and 174 transitions. [2025-03-09 07:28:55,262 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:28:55,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 174 transitions. [2025-03-09 07:28:55,264 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2025-03-09 07:28:55,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:28:55,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:28:55,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:55,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:28:55,269 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 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~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:28:55,269 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet47#1;test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet48#1;test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet49#1;test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet50#1;test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#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~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret36#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~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:28:55,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:55,270 INFO L85 PathProgramCache]: Analyzing trace with hash -517682772, now seen corresponding path program 2 times [2025-03-09 07:28:55,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:55,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791264916] [2025-03-09 07:28:55,270 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:28:55,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:55,278 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:55,286 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:55,286 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:28:55,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:55,286 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:55,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:55,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:55,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:55,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:55,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:55,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:55,304 INFO L85 PathProgramCache]: Analyzing trace with hash -700531455, now seen corresponding path program 1 times [2025-03-09 07:28:55,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:55,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847686537] [2025-03-09 07:28:55,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:55,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:55,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 07:28:55,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 07:28:55,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:55,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:55,311 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:55,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-09 07:28:55,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-09 07:28:55,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:55,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:55,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:55,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:28:55,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1576178156, now seen corresponding path program 1 times [2025-03-09 07:28:55,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:28:55,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662698107] [2025-03-09 07:28:55,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:28:55,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:28:55,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:28:55,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:28:55,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:55,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:55,330 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:55,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:28:55,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:28:55,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:55,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:55,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:28:55,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:55,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:55,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:55,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:55,992 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:28:55,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 07:28:55,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 07:28:55,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:28:55,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:28:56,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:28:56 BoogieIcfgContainer [2025-03-09 07:28:56,033 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:28:56,033 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:28:56,033 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:28:56,033 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:28:56,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:28:54" (3/4) ... [2025-03-09 07:28:56,036 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:28:56,075 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:28:56,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:28:56,078 INFO L158 Benchmark]: Toolchain (without parser) took 2175.86ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 93.2MB in the end (delta: 39.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2025-03-09 07:28:56,078 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:28:56,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.01ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 114.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:28:56,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.00ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 112.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:28:56,079 INFO L158 Benchmark]: Boogie Preprocessor took 27.54ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 111.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:28:56,079 INFO L158 Benchmark]: IcfgBuilder took 421.82ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 91.1MB in the end (delta: 19.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:28:56,079 INFO L158 Benchmark]: BuchiAutomizer took 1336.95ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 97.3MB in the end (delta: -6.2MB). Peak memory consumption was 491.9kB. Max. memory is 16.1GB. [2025-03-09 07:28:56,080 INFO L158 Benchmark]: Witness Printer took 42.67ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 93.2MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:28:56,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.01ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 114.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.00ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 112.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.54ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 111.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 421.82ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 91.1MB in the end (delta: 19.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1336.95ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 97.3MB in the end (delta: -6.2MB). Peak memory consumption was 491.9kB. Max. memory is 16.1GB. * Witness Printer took 42.67ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 93.2MB in the end (delta: 4.1MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [135] - GenericResultAtLocation [Line: 163]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [163] - GenericResultAtLocation [Line: 201]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201] - GenericResultAtLocation [Line: 300]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [300] - GenericResultAtLocation [Line: 309]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [309] - GenericResultAtLocation [Line: 675]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [675] - GenericResultAtLocation [Line: 852]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [852] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 132 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 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 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 78 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, 307 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 307 mSDsluCounter, 534 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 410 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 124 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 863]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L202] int cleanupTimeShifts = 4; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L278] int retValue_acc ; [L279] int tmp ; [L283] FCALL select_helpers() [L284] FCALL select_features() [L285] CALL, EXPR valid_product() [L193] int retValue_acc ; [L196] retValue_acc = 1 [L197] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L285] RET, EXPR valid_product() [L285] tmp = valid_product() [L287] COND TRUE \read(tmp) [L289] FCALL setup() [L290] CALL runTest() [L272] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L696] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] FCALL processEnvironment__wrappee__methaneQuery() [L696] RET processEnvironment() [L702] CALL __utac_acc__Specification1_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L144] RET, EXPR isMethaneLevelCritical() [L144] tmp = isMethaneLevelCritical() [L146] COND FALSE !(\read(tmp)) [L702] RET __utac_acc__Specification1_spec__1() [L910] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 863]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L202] int cleanupTimeShifts = 4; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L278] int retValue_acc ; [L279] int tmp ; [L283] FCALL select_helpers() [L284] FCALL select_features() [L285] CALL, EXPR valid_product() [L193] int retValue_acc ; [L196] retValue_acc = 1 [L197] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L285] RET, EXPR valid_product() [L285] tmp = valid_product() [L287] COND TRUE \read(tmp) [L289] FCALL setup() [L290] CALL runTest() [L272] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L696] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] FCALL processEnvironment__wrappee__methaneQuery() [L696] RET processEnvironment() [L702] CALL __utac_acc__Specification1_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L144] RET, EXPR isMethaneLevelCritical() [L144] tmp = isMethaneLevelCritical() [L146] COND FALSE !(\read(tmp)) [L702] RET __utac_acc__Specification1_spec__1() [L910] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:28:56,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)