./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product15.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_spec2_product15.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 d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 07:29:32,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 07:29:33,025 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-03-09 07:29:33,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 07:29:33,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 07:29:33,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-09 07:29:33,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 07:29:33,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 07:29:33,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 07:29:33,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 07:29:33,047 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 07:29:33,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 07:29:33,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 07:29:33,047 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 07:29:33,047 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-09 07:29:33,047 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-09 07:29:33,047 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-09 07:29:33,047 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-09 07:29:33,047 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-09 07:29:33,047 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-09 07:29:33,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 07:29:33,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-09 07:29:33,048 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 07:29:33,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 07:29:33,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 07:29:33,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 07:29:33,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 07:29:33,049 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 07:29:33,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 07:29:33,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 07:29:33,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 07:29:33,050 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-09 07:29:33,050 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 -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2025-03-09 07:29:33,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 07:29:33,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 07:29:33,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 07:29:33,267 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 07:29:33,267 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 07:29:33,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2025-03-09 07:29:34,346 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f13068e/b259bf55f28949a5b59db9762d83b859/FLAG58b16cb91 [2025-03-09 07:29:34,575 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 07:29:34,577 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2025-03-09 07:29:34,589 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f13068e/b259bf55f28949a5b59db9762d83b859/FLAG58b16cb91 [2025-03-09 07:29:34,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23f13068e/b259bf55f28949a5b59db9762d83b859 [2025-03-09 07:29:34,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 07:29:34,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 07:29:34,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:34,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 07:29:34,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 07:29:34,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301dc69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:34, skipping insertion in model container [2025-03-09 07:29:34,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 07:29:34" (1/1) ... [2025-03-09 07:29:34,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 07:29:35,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:35,138 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 07:29:35,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2025-03-09 07:29:35,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] [2025-03-09 07:29:35,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [294] [2025-03-09 07:29:35,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [375] [2025-03-09 07:29:35,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [384] [2025-03-09 07:29:35,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [750] [2025-03-09 07:29:35,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [788] [2025-03-09 07:29:35,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [827] [2025-03-09 07:29:35,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 07:29:35,198 INFO L204 MainTranslator]: Completed translation [2025-03-09 07:29:35,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35 WrapperNode [2025-03-09 07:29:35,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 07:29:35,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:35,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 07:29:35,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 07:29:35,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,224 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 53, statements flattened = 326 [2025-03-09 07:29:35,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 07:29:35,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 07:29:35,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 07:29:35,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 07:29:35,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,238 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 07:29:35,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,247 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 07:29:35,255 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 07:29:35,255 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 07:29:35,255 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 07:29:35,256 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (1/1) ... [2025-03-09 07:29:35,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-09 07:29:35,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 07:29:35,280 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 07:29:35,286 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 07:29:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 07:29:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 07:29:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 07:29:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 07:29:35,353 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 07:29:35,354 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L161-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L161-3: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L161-5: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L921-1: main_#res#1 := main_~retValue_acc~9#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-3: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L170-5: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L785-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L340-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:29:35,604 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L340-3: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:29:35,605 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L340-5: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:29:35,605 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L340-7: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:29:35,605 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L340-9: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:29:35,605 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L340-11: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; [2025-03-09 07:29:35,628 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2025-03-09 07:29:35,629 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 07:29:35,636 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 07:29:35,636 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 07:29:35,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:35 BoogieIcfgContainer [2025-03-09 07:29:35,637 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 07:29:35,637 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-09 07:29:35,637 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-09 07:29:35,641 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-09 07:29:35,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:35,642 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.03 07:29:34" (1/3) ... [2025-03-09 07:29:35,643 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75f43ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:35, skipping insertion in model container [2025-03-09 07:29:35,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:35,643 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 07:29:35" (2/3) ... [2025-03-09 07:29:35,643 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75f43ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.03 07:29:35, skipping insertion in model container [2025-03-09 07:29:35,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-09 07:29:35,643 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:35" (3/3) ... [2025-03-09 07:29:35,644 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2025-03-09 07:29:35,674 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-09 07:29:35,674 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-09 07:29:35,674 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-09 07:29:35,674 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-09 07:29:35,674 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-09 07:29:35,674 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-09 07:29:35,674 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-09 07:29:35,674 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-09 07:29:35,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 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 07:29:35,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-03-09 07:29:35,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:35,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:35,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:35,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:35,697 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-09 07:29:35,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 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 07:29:35,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2025-03-09 07:29:35,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:35,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:35,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:35,701 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:35,705 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;~methAndRunningLastTime~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~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#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___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:35,705 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:35,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:35,709 INFO L85 PathProgramCache]: Analyzing trace with hash -88780902, now seen corresponding path program 1 times [2025-03-09 07:29:35,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:35,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480145071] [2025-03-09 07:29:35,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:35,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:35,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:35,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:35,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,778 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:35,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:35,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:35,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:35,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:35,800 INFO L85 PathProgramCache]: Analyzing trace with hash 829421280, now seen corresponding path program 1 times [2025-03-09 07:29:35,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:35,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523444759] [2025-03-09 07:29:35,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:35,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:35,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 07:29:35,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 07:29:35,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,807 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:35,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 07:29:35,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 07:29:35,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:35,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:35,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:35,813 INFO L85 PathProgramCache]: Analyzing trace with hash 894535353, now seen corresponding path program 1 times [2025-03-09 07:29:35,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:35,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934631777] [2025-03-09 07:29:35,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:35,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:35,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-09 07:29:35,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-09 07:29:35,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:35,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 07:29:35,908 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 07:29:35,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 07:29:35,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934631777] [2025-03-09 07:29:35,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934631777] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 07:29:35,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 07:29:35,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 07:29:35,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542336931] [2025-03-09 07:29:35,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 07:29:35,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 07:29:35,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 07:29:35,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 07:29:35,992 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 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 07:29:36,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 07:29:36,024 INFO L93 Difference]: Finished difference Result 185 states and 241 transitions. [2025-03-09 07:29:36,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 241 transitions. [2025-03-09 07:29:36,029 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 112 [2025-03-09 07:29:36,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 165 states and 220 transitions. [2025-03-09 07:29:36,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 165 [2025-03-09 07:29:36,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 165 [2025-03-09 07:29:36,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 165 states and 220 transitions. [2025-03-09 07:29:36,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-09 07:29:36,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 165 states and 220 transitions. [2025-03-09 07:29:36,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states and 220 transitions. [2025-03-09 07:29:36,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2025-03-09 07:29:36,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 162 states have (on average 1.3333333333333333) internal successors, (216), 161 states have internal predecessors, (216), 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 07:29:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 216 transitions. [2025-03-09 07:29:36,063 INFO L240 hiAutomatonCegarLoop]: Abstraction has 162 states and 216 transitions. [2025-03-09 07:29:36,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 07:29:36,066 INFO L432 stractBuchiCegarLoop]: Abstraction has 162 states and 216 transitions. [2025-03-09 07:29:36,066 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-09 07:29:36,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states and 216 transitions. [2025-03-09 07:29:36,070 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 112 [2025-03-09 07:29:36,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-09 07:29:36,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-09 07:29:36,070 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:36,070 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 07:29:36,071 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;~methAndRunningLastTime~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~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#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___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-03-09 07:29:36,071 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;havoc test_#t~nondet15#1;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp~2#1);" "havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___2~0#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_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1;" "__utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;" [2025-03-09 07:29:36,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:36,071 INFO L85 PathProgramCache]: Analyzing trace with hash -88780902, now seen corresponding path program 2 times [2025-03-09 07:29:36,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:36,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644885383] [2025-03-09 07:29:36,072 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 07:29:36,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:36,081 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:36,091 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:36,091 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-09 07:29:36,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:36,092 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:36,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:36,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:36,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:36,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:36,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:36,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:36,121 INFO L85 PathProgramCache]: Analyzing trace with hash 887584005, now seen corresponding path program 1 times [2025-03-09 07:29:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:36,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729701797] [2025-03-09 07:29:36,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:36,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 07:29:36,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 07:29:36,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:36,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:36,137 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:36,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-09 07:29:36,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-09 07:29:36,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:36,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:36,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:36,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 07:29:36,150 INFO L85 PathProgramCache]: Analyzing trace with hash -624285044, now seen corresponding path program 1 times [2025-03-09 07:29:36,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 07:29:36,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620204912] [2025-03-09 07:29:36,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 07:29:36,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 07:29:36,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:29:36,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:29:36,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:36,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:36,172 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:36,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-09 07:29:36,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 07:29:36,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:36,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:36,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 07:29:36,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:36,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:36,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:36,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:36,954 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 07:29:36,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 07:29:36,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 07:29:36,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 07:29:36,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 07:29:37,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.03 07:29:37 BoogieIcfgContainer [2025-03-09 07:29:37,008 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-09 07:29:37,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-09 07:29:37,009 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-09 07:29:37,009 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-09 07:29:37,009 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 07:29:35" (3/4) ... [2025-03-09 07:29:37,011 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-09 07:29:37,054 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-09 07:29:37,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-09 07:29:37,055 INFO L158 Benchmark]: Toolchain (without parser) took 2139.56ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 89.7MB in the end (delta: 42.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2025-03-09 07:29:37,055 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:37,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.54ms. Allocated memory is still 167.8MB. Free memory was 131.8MB in the beginning and 114.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:29:37,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.01ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 111.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:37,056 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 109.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-09 07:29:37,056 INFO L158 Benchmark]: IcfgBuilder took 381.71ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 89.3MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-09 07:29:37,057 INFO L158 Benchmark]: BuchiAutomizer took 1370.70ms. Allocated memory is still 167.8MB. Free memory was 89.3MB in the beginning and 93.8MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:37,057 INFO L158 Benchmark]: Witness Printer took 45.98ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 89.7MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 07:29:37,058 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.54ms. Allocated memory is still 167.8MB. Free memory was 131.8MB in the beginning and 114.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.01ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 111.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 109.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 381.71ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 89.3MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1370.70ms. Allocated memory is still 167.8MB. Free memory was 89.3MB in the beginning and 93.8MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.98ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 89.7MB in the end (delta: 4.1MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [224] - GenericResultAtLocation [Line: 294]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [294] - GenericResultAtLocation [Line: 375]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [375] - GenericResultAtLocation [Line: 384]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [384] - GenericResultAtLocation [Line: 750]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [750] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [788] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [827] * 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 3 locations. The remainder module has 162 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 235 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 111 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 124 mSDtfsCounter, 10 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: 238]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L554] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methAndRunningLastTime ; [L828] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] int retValue_acc ; [L903] int tmp ; [L907] FCALL select_helpers() [L908] FCALL select_features() [L909] CALL, EXPR valid_product() [L780] int retValue_acc ; [L783] retValue_acc = 1 [L784] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] RET, EXPR valid_product() [L909] tmp = valid_product() [L911] COND TRUE \read(tmp) [L913] FCALL setup() [L914] CALL runTest() [L895] CALL __utac_acc__Specification2_spec__1() [L794] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] RET __utac_acc__Specification2_spec__1() [L896] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L335] int retValue_acc ; [L338] retValue_acc = methaneLevelCritical [L339] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L822] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L283] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 238]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L554] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methAndRunningLastTime ; [L828] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] int retValue_acc ; [L903] int tmp ; [L907] FCALL select_helpers() [L908] FCALL select_features() [L909] CALL, EXPR valid_product() [L780] int retValue_acc ; [L783] retValue_acc = 1 [L784] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L909] RET, EXPR valid_product() [L909] tmp = valid_product() [L911] COND TRUE \read(tmp) [L913] FCALL setup() [L914] CALL runTest() [L895] CALL __utac_acc__Specification2_spec__1() [L794] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] RET __utac_acc__Specification2_spec__1() [L896] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L335] int retValue_acc ; [L338] retValue_acc = methaneLevelCritical [L339] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L822] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L283] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-09 07:29:37,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)