./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 07:45:07,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 07:45:07,569 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2025-01-10 07:45:07,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 07:45:07,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 07:45:07,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 07:45:07,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 07:45:07,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 07:45:07,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 07:45:07,606 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 07:45:07,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 07:45:07,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 07:45:07,607 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 07:45:07,607 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-01-10 07:45:07,607 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-01-10 07:45:07,608 INFO L153 SettingsManager]: * Use old map elimination=false [2025-01-10 07:45:07,608 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-01-10 07:45:07,608 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-01-10 07:45:07,608 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-01-10 07:45:07,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 07:45:07,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-01-10 07:45:07,608 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 07:45:07,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 07:45:07,609 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-01-10 07:45:07,610 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 07:45:07,610 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 07:45:07,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 07:45:07,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 07:45:07,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 07:45:07,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 07:45:07,611 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-01-10 07:45:07,611 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2025-01-10 07:45:07,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 07:45:07,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 07:45:07,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 07:45:07,921 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 07:45:07,921 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 07:45:07,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2025-01-10 07:45:09,317 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24c3a048d/aeec2c42b74344ab9fc6bca5f6f5122b/FLAG7c95ef889 [2025-01-10 07:45:09,641 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 07:45:09,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2025-01-10 07:45:09,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24c3a048d/aeec2c42b74344ab9fc6bca5f6f5122b/FLAG7c95ef889 [2025-01-10 07:45:09,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24c3a048d/aeec2c42b74344ab9fc6bca5f6f5122b [2025-01-10 07:45:09,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 07:45:09,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 07:45:09,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 07:45:09,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 07:45:09,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 07:45:09,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:45:09" (1/1) ... [2025-01-10 07:45:09,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0194a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:09, skipping insertion in model container [2025-01-10 07:45:09,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:45:09" (1/1) ... [2025-01-10 07:45:09,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 07:45:09,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:45:10,010 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 07:45:10,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2025-01-10 07:45:10,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2025-01-10 07:45:10,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] [2025-01-10 07:45:10,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] [2025-01-10 07:45:10,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] [2025-01-10 07:45:10,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] [2025-01-10 07:45:10,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] [2025-01-10 07:45:10,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] [2025-01-10 07:45:10,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 07:45:10,117 INFO L204 MainTranslator]: Completed translation [2025-01-10 07:45:10,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10 WrapperNode [2025-01-10 07:45:10,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 07:45:10,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 07:45:10,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 07:45:10,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 07:45:10,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,160 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 331 [2025-01-10 07:45:10,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 07:45:10,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 07:45:10,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 07:45:10,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 07:45:10,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,170 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,183 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]. [2025-01-10 07:45:10,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,191 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 07:45:10,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 07:45:10,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 07:45:10,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 07:45:10,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (1/1) ... [2025-01-10 07:45:10,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-01-10 07:45:10,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 07:45:10,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-01-10 07:45:10,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-01-10 07:45:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 07:45:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 07:45:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 07:45:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 07:45:10,333 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 07:45:10,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 07:45:10,630 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2025-01-10 07:45:10,630 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 07:45:10,639 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 07:45:10,639 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 07:45:10,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:10 BoogieIcfgContainer [2025-01-10 07:45:10,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 07:45:10,641 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-01-10 07:45:10,641 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-01-10 07:45:10,646 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-01-10 07:45:10,646 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:10,646 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.01 07:45:09" (1/3) ... [2025-01-10 07:45:10,647 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ce9b17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:45:10, skipping insertion in model container [2025-01-10 07:45:10,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:10,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:45:10" (2/3) ... [2025-01-10 07:45:10,648 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ce9b17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.01 07:45:10, skipping insertion in model container [2025-01-10 07:45:10,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-01-10 07:45:10,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:10" (3/3) ... [2025-01-10 07:45:10,649 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2025-01-10 07:45:10,696 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-01-10 07:45:10,697 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-01-10 07:45:10,697 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-01-10 07:45:10,697 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-01-10 07:45:10,698 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-01-10 07:45:10,698 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-01-10 07:45:10,698 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-01-10 07:45:10,698 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-01-10 07:45:10,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 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) [2025-01-10 07:45:10,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2025-01-10 07:45:10,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:10,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:10,737 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:10,737 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:10,737 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-01-10 07:45:10,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 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) [2025-01-10 07:45:10,745 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2025-01-10 07:45:10,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:10,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:10,749 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:10,749 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:10,755 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:45:10,755 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet8#1;test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#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~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:45:10,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:10,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2025-01-10 07:45:10,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:10,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421384765] [2025-01-10 07:45:10,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:10,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:10,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:10,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:10,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:10,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:10,862 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:10,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:10,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:10,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:10,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:10,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:10,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:10,901 INFO L85 PathProgramCache]: Analyzing trace with hash 316540285, now seen corresponding path program 1 times [2025-01-10 07:45:10,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:10,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681704312] [2025-01-10 07:45:10,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:10,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:10,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 07:45:10,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 07:45:10,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:10,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:10,915 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:10,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 07:45:10,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 07:45:10,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:10,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:10,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:10,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:10,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1671959361, now seen corresponding path program 1 times [2025-01-10 07:45:10,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:10,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102301006] [2025-01-10 07:45:10,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:10,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:10,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 07:45:10,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 07:45:10,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:10,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 07:45:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 07:45:11,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 07:45:11,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102301006] [2025-01-10 07:45:11,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102301006] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 07:45:11,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 07:45:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 07:45:11,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548415632] [2025-01-10 07:45:11,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 07:45:11,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 07:45:11,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 07:45:11,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 07:45:11,302 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 07:45:11,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 07:45:11,466 INFO L93 Difference]: Finished difference Result 258 states and 330 transitions. [2025-01-10 07:45:11,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 330 transitions. [2025-01-10 07:45:11,476 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 165 [2025-01-10 07:45:11,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 228 states and 300 transitions. [2025-01-10 07:45:11,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 228 [2025-01-10 07:45:11,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 228 [2025-01-10 07:45:11,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 228 states and 300 transitions. [2025-01-10 07:45:11,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-01-10 07:45:11,495 INFO L218 hiAutomatonCegarLoop]: Abstraction has 228 states and 300 transitions. [2025-01-10 07:45:11,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states and 300 transitions. [2025-01-10 07:45:11,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 142. [2025-01-10 07:45:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.3169014084507042) internal successors, (187), 141 states have internal predecessors, (187), 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) [2025-01-10 07:45:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 187 transitions. [2025-01-10 07:45:11,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 187 transitions. [2025-01-10 07:45:11,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 07:45:11,537 INFO L432 stractBuchiCegarLoop]: Abstraction has 142 states and 187 transitions. [2025-01-10 07:45:11,537 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-01-10 07:45:11,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 187 transitions. [2025-01-10 07:45:11,539 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 101 [2025-01-10 07:45:11,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-01-10 07:45:11,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-01-10 07:45:11,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:11,540 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 07:45:11,540 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2025-01-10 07:45:11,541 INFO L754 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1;" "__utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2025-01-10 07:45:11,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:11,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2025-01-10 07:45:11,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:11,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775638375] [2025-01-10 07:45:11,542 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 07:45:11,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:11,549 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:11,555 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:11,556 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 07:45:11,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:11,556 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:11,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:11,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:11,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:11,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:11,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:11,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:11,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1971452957, now seen corresponding path program 1 times [2025-01-10 07:45:11,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:11,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622278812] [2025-01-10 07:45:11,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:11,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:11,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 07:45:11,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 07:45:11,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:11,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:11,574 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:11,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 07:45:11,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 07:45:11,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:11,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:11,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:11,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 07:45:11,584 INFO L85 PathProgramCache]: Analyzing trace with hash 330690463, now seen corresponding path program 1 times [2025-01-10 07:45:11,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 07:45:11,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007810085] [2025-01-10 07:45:11,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 07:45:11,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 07:45:11,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 07:45:11,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 07:45:11,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:11,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:11,601 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:11,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 07:45:11,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 07:45:11,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:11,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:11,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 07:45:12,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:12,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:12,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:12,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:12,533 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 07:45:12,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 07:45:12,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 07:45:12,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 07:45:12,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 07:45:12,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.01 07:45:12 BoogieIcfgContainer [2025-01-10 07:45:12,600 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-01-10 07:45:12,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 07:45:12,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 07:45:12,601 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 07:45:12,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:45:10" (3/4) ... [2025-01-10 07:45:12,603 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-01-10 07:45:12,645 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 07:45:12,645 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 07:45:12,646 INFO L158 Benchmark]: Toolchain (without parser) took 2953.12ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 53.7MB in the end (delta: 57.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2025-01-10 07:45:12,646 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:45:12,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.24ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 93.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:45:12,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.68ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 90.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:45:12,647 INFO L158 Benchmark]: Boogie Preprocessor took 44.59ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 88.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 07:45:12,647 INFO L158 Benchmark]: RCFGBuilder took 434.09ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 69.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 07:45:12,647 INFO L158 Benchmark]: BuchiAutomizer took 1959.10ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 57.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2025-01-10 07:45:12,648 INFO L158 Benchmark]: Witness Printer took 44.45ms. Allocated memory is still 142.6MB. Free memory was 57.3MB in the beginning and 53.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 07:45:12,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.24ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 93.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.68ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 90.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.59ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 88.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 434.09ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 69.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1959.10ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 57.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Witness Printer took 44.45ms. Allocated memory is still 142.6MB. Free memory was 57.3MB in the beginning and 53.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] - GenericResultAtLocation [Line: 872]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] * 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 142 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 86 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, 228 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 228 mSDsluCounter, 629 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 503 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 126 mSDtfsCounter, 42 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: 177]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int cleanupTimeShifts = 4; [L241] int pumpRunning = 0; [L242] int systemActive = 1; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L899] int retValue_acc ; [L902] retValue_acc = 1 [L903] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L166] int splverifierCounter ; [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L170] int tmp___2 ; [L173] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L177] COND TRUE splverifierCounter < 4 [L183] tmp = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp)) [L193] tmp___0 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___0)) [L203] tmp___2 = __VERIFIER_nondet_int() [L205] COND TRUE \read(tmp___2) [L207] CALL startSystem() [L412] systemActive = 1 [L207] RET startSystem() [L222] CALL timeShift() [L249] COND FALSE !(\read(pumpRunning)) [L256] COND TRUE \read(systemActive) [L258] CALL processEnvironment() [L278] int tmp ; [L281] COND FALSE !(\read(pumpRunning)) [L296] FCALL processEnvironment__wrappee__base() [L258] RET processEnvironment() [L264] CALL __utac_acc__Specification1_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isMethaneLevelCritical() [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L914] RET, EXPR isMethaneLevelCritical() [L914] tmp = isMethaneLevelCritical() [L916] COND FALSE !(\read(tmp)) [L264] RET __utac_acc__Specification1_spec__1() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 177]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L241] int pumpRunning = 0; [L242] int systemActive = 1; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L899] int retValue_acc ; [L902] retValue_acc = 1 [L903] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L166] int splverifierCounter ; [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L170] int tmp___2 ; [L173] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L177] COND TRUE splverifierCounter < 4 [L183] tmp = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp)) [L193] tmp___0 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___0)) [L203] tmp___2 = __VERIFIER_nondet_int() [L205] COND TRUE \read(tmp___2) [L207] CALL startSystem() [L412] systemActive = 1 [L207] RET startSystem() [L222] CALL timeShift() [L249] COND FALSE !(\read(pumpRunning)) [L256] COND TRUE \read(systemActive) [L258] CALL processEnvironment() [L278] int tmp ; [L281] COND FALSE !(\read(pumpRunning)) [L296] FCALL processEnvironment__wrappee__base() [L258] RET processEnvironment() [L264] CALL __utac_acc__Specification1_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isMethaneLevelCritical() [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L914] RET, EXPR isMethaneLevelCritical() [L914] tmp = isMethaneLevelCritical() [L916] COND FALSE !(\read(tmp)) [L264] RET __utac_acc__Specification1_spec__1() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-01-10 07:45:12,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)