./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.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_product23.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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:48:16,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:48:16,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:48:16,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:48:16,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:48:16,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:48:16,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:48:16,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:48:16,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:48:16,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:48:16,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:48:16,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:48:16,871 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:48:16,872 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:48:16,873 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:48:16,873 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:48:16,873 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:48:16,874 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:48:16,874 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:48:16,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:48:16,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:48:16,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:48:16,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:48:16,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:48:16,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:48:16,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:48:16,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:48:16,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:48:16,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:48:16,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:48:16,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:48:16,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:48:16,880 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:48:16,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:48:16,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:48:16,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:48:16,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:48:16,881 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:48:16,882 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:48:16,882 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2024-11-23 02:48:17,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:48:17,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:48:17,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:48:17,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:48:17,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:48:17,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2024-11-23 02:48:18,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:48:18,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:48:18,712 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2024-11-23 02:48:18,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee632056/1e6fda712d88468094857d3a08a0480c/FLAG2ae689a0a [2024-11-23 02:48:19,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee632056/1e6fda712d88468094857d3a08a0480c [2024-11-23 02:48:19,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:48:19,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:48:19,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:48:19,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:48:19,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:48:19,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aaf19ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19, skipping insertion in model container [2024-11-23 02:48:19,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:48:19,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:48:19,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:48:19,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-23 02:48:19,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] [2024-11-23 02:48:19,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] [2024-11-23 02:48:19,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] [2024-11-23 02:48:19,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] [2024-11-23 02:48:19,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2024-11-23 02:48:19,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] [2024-11-23 02:48:19,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] [2024-11-23 02:48:19,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:48:19,764 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:48:19,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19 WrapperNode [2024-11-23 02:48:19,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:48:19,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:48:19,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:48:19,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:48:19,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,815 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 83, statements flattened = 530 [2024-11-23 02:48:19,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:48:19,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:48:19,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:48:19,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:48:19,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,847 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]. [2024-11-23 02:48:19,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:48:19,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:48:19,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:48:19,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:48:19,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (1/1) ... [2024-11-23 02:48:19,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:48:19,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:48:19,901 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) [2024-11-23 02:48:19,903 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 [2024-11-23 02:48:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:48:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:48:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:48:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:48:20,007 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:48:20,009 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:48:20,359 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-23 02:48:20,359 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:48:20,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:48:20,387 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:48:20,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:20 BoogieIcfgContainer [2024-11-23 02:48:20,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:48:20,388 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:48:20,388 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:48:20,391 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:48:20,392 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:48:20,392 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:48:19" (1/3) ... [2024-11-23 02:48:20,393 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a6469d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:48:20, skipping insertion in model container [2024-11-23 02:48:20,393 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:48:20,393 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:19" (2/3) ... [2024-11-23 02:48:20,393 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a6469d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:48:20, skipping insertion in model container [2024-11-23 02:48:20,393 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:48:20,394 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:20" (3/3) ... [2024-11-23 02:48:20,395 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2024-11-23 02:48:20,438 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:48:20,438 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:48:20,439 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:48:20,439 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:48:20,439 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:48:20,439 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:48:20,439 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:48:20,439 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:48:20,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 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) [2024-11-23 02:48:20,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-23 02:48:20,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:48:20,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:48:20,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:20,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:20,477 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:48:20,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 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) [2024-11-23 02:48:20,484 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-23 02:48:20,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:48:20,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:48:20,487 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:20,487 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:20,492 INFO L745 eck$LassoCheckResult]: Stem: 31#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 138#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 118#valid_product_returnLabel#1true main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 41#L949true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 91#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 137#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 17#L575-2true [2024-11-23 02:48:20,493 INFO L747 eck$LassoCheckResult]: Loop: 17#L575-2true assume !false; 114#L576true assume test_~splverifierCounter~0#1 < 4; 82#L577true havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 106#L585true assume !(0 != test_~tmp~4#1); 42#L585-2true havoc test_#t~nondet35#1;test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 160#L595true assume !(0 != test_~tmp___0~1#1); 64#L595-2true havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 69#L605true assume 0 != test_~tmp___2~0#1; 127#L611-2true assume { :begin_inline_timeShift } true; 48#L642true assume !(0 != ~pumpRunning~0); 34#L642-2true assume !(0 != ~systemActive~0); 92#L649-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret9#1, __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 85#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret9#1;havoc __utac_acc__Specification2_spec__2_#t~ret9#1; 15#L165true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 19#L165-1true havoc __utac_acc__Specification2_spec__2_#t~ret9#1, __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 77#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 17#L575-2true [2024-11-23 02:48:20,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:20,498 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-23 02:48:20,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:20,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51061210] [2024-11-23 02:48:20,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:20,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:20,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:20,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:20,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:20,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1753787124, now seen corresponding path program 1 times [2024-11-23 02:48:20,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:20,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267729147] [2024-11-23 02:48:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:20,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:20,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:20,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:20,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:20,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1916074507, now seen corresponding path program 1 times [2024-11-23 02:48:20,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:20,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259063834] [2024-11-23 02:48:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:20,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:48:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:48:20,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:48:20,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259063834] [2024-11-23 02:48:20,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259063834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:48:20,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:48:20,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 02:48:20,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549160196] [2024-11-23 02:48:20,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:48:20,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:48:20,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 02:48:20,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 02:48:20,967 INFO L87 Difference]: Start difference. First operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 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) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-23 02:48:21,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:48:21,093 INFO L93 Difference]: Finished difference Result 369 states and 480 transitions. [2024-11-23 02:48:21,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 480 transitions. [2024-11-23 02:48:21,104 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 237 [2024-11-23 02:48:21,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 339 states and 450 transitions. [2024-11-23 02:48:21,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 339 [2024-11-23 02:48:21,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 339 [2024-11-23 02:48:21,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 339 states and 450 transitions. [2024-11-23 02:48:21,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:48:21,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 339 states and 450 transitions. [2024-11-23 02:48:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states and 450 transitions. [2024-11-23 02:48:21,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 200. [2024-11-23 02:48:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 200 states have (on average 1.33) internal successors, (266), 199 states have internal predecessors, (266), 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) [2024-11-23 02:48:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 266 transitions. [2024-11-23 02:48:21,154 INFO L240 hiAutomatonCegarLoop]: Abstraction has 200 states and 266 transitions. [2024-11-23 02:48:21,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 02:48:21,159 INFO L425 stractBuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2024-11-23 02:48:21,160 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:48:21,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 200 states and 266 transitions. [2024-11-23 02:48:21,161 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140 [2024-11-23 02:48:21,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:48:21,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:48:21,163 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:21,164 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:48:21,165 INFO L745 eck$LassoCheckResult]: Stem: 597#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 598#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 595#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 596#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 683#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 610#L949 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 611#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 662#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 574#L575-2 [2024-11-23 02:48:21,165 INFO L747 eck$LassoCheckResult]: Loop: 574#L575-2 assume !false; 575#L576 assume test_~splverifierCounter~0#1 < 4; 658#L577 havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 659#L585 assume !(0 != test_~tmp~4#1); 612#L585-2 havoc test_#t~nondet35#1;test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 613#L595 assume !(0 != test_~tmp___0~1#1); 562#L595-2 havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 639#L605 assume 0 != test_~tmp___2~0#1; 618#L611-2 assume { :begin_inline_timeShift } true; 621#L642 assume !(0 != ~pumpRunning~0); 589#L642-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 603#L700 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 627#L674-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 548#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 549#L674-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 655#L700-1 havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 656#L649-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret9#1, __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 660#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret9#1;havoc __utac_acc__Specification2_spec__2_#t~ret9#1; 569#L165 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 571#L165-1 havoc __utac_acc__Specification2_spec__2_#t~ret9#1, __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 578#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 574#L575-2 [2024-11-23 02:48:21,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:21,165 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-23 02:48:21,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:21,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460968125] [2024-11-23 02:48:21,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:48:21,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:21,180 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:48:21,183 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:48:21,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:21,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:21,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:21,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2045587693, now seen corresponding path program 1 times [2024-11-23 02:48:21,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:21,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434579126] [2024-11-23 02:48:21,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:21,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:21,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:21,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:21,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:48:21,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1848002506, now seen corresponding path program 1 times [2024-11-23 02:48:21,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:48:21,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64581872] [2024-11-23 02:48:21,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:48:21,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:48:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:21,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:21,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:48:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:21,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:48:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:48:22,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:48:22 BoogieIcfgContainer [2024-11-23 02:48:22,020 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 02:48:22,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 02:48:22,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 02:48:22,021 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 02:48:22,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:20" (3/4) ... [2024-11-23 02:48:22,025 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 02:48:22,071 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 02:48:22,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 02:48:22,072 INFO L158 Benchmark]: Toolchain (without parser) took 2987.22ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 85.3MB in the beginning and 108.1MB in the end (delta: -22.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-23 02:48:22,072 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 02:48:22,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.93ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 115.9MB in the end (delta: -30.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-23 02:48:22,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.08ms. Allocated memory is still 155.2MB. Free memory was 115.9MB in the beginning and 112.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 02:48:22,073 INFO L158 Benchmark]: Boogie Preprocessor took 49.75ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 109.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 02:48:22,073 INFO L158 Benchmark]: RCFGBuilder took 520.97ms. Allocated memory is still 155.2MB. Free memory was 109.0MB in the beginning and 83.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 02:48:22,073 INFO L158 Benchmark]: BuchiAutomizer took 1631.90ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 82.7MB in the beginning and 111.3MB in the end (delta: -28.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-23 02:48:22,074 INFO L158 Benchmark]: Witness Printer took 50.77ms. Allocated memory is still 211.8MB. Free memory was 111.3MB in the beginning and 108.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 02:48:22,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.93ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 115.9MB in the end (delta: -30.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.08ms. Allocated memory is still 155.2MB. Free memory was 115.9MB in the beginning and 112.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.75ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 109.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 520.97ms. Allocated memory is still 155.2MB. Free memory was 109.0MB in the beginning and 83.3MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1631.90ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 82.7MB in the beginning and 111.3MB in the end (delta: -28.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Witness Printer took 50.77ms. Allocated memory is still 211.8MB. Free memory was 111.3MB in the beginning and 108.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] * 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 200 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 139 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, 372 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 372 mSDsluCounter, 967 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 759 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 208 mSDtfsCounter, 40 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: 575]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L148] int methAndRunningLastTime ; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L635] int pumpRunning = 0; [L636] int systemActive = 1; [L866] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L940] int retValue_acc ; [L941] int tmp ; [L945] FCALL select_helpers() [L946] FCALL select_features() [L947] CALL, EXPR valid_product() [L857] int retValue_acc ; [L860] retValue_acc = 1 [L861] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L947] RET, EXPR valid_product() [L947] tmp = valid_product() [L949] COND TRUE \read(tmp) [L951] FCALL setup() [L952] CALL runTest() [L933] CALL __utac_acc__Specification2_spec__1() [L153] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L933] RET __utac_acc__Specification2_spec__1() [L934] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L575] COND TRUE 1 [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp)) [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND TRUE \read(tmp___2) [L620] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] CALL processEnvironment() [L697] int tmp ; [L700] COND FALSE !(\read(pumpRunning)) [L715] CALL processEnvironment__wrappee__lowWaterSensor() [L671] int tmp ; [L674] COND FALSE !(\read(pumpRunning)) [L689] FCALL processEnvironment__wrappee__base() [L715] RET processEnvironment__wrappee__lowWaterSensor() [L651] RET processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L163] RET, EXPR isMethaneLevelCritical() [L163] tmp = isMethaneLevelCritical() [L165] COND FALSE !(\read(tmp)) [L181] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L620] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 575]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L148] int methAndRunningLastTime ; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L635] int pumpRunning = 0; [L636] int systemActive = 1; [L866] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L940] int retValue_acc ; [L941] int tmp ; [L945] FCALL select_helpers() [L946] FCALL select_features() [L947] CALL, EXPR valid_product() [L857] int retValue_acc ; [L860] retValue_acc = 1 [L861] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L947] RET, EXPR valid_product() [L947] tmp = valid_product() [L949] COND TRUE \read(tmp) [L951] FCALL setup() [L952] CALL runTest() [L933] CALL __utac_acc__Specification2_spec__1() [L153] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L933] RET __utac_acc__Specification2_spec__1() [L934] CALL test() [L566] int splverifierCounter ; [L567] int tmp ; [L568] int tmp___0 ; [L569] int tmp___1 ; [L570] int tmp___2 ; [L573] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L575] COND TRUE 1 [L577] COND TRUE splverifierCounter < 4 [L583] tmp = __VERIFIER_nondet_int() [L585] COND FALSE !(\read(tmp)) [L593] tmp___0 = __VERIFIER_nondet_int() [L595] COND FALSE !(\read(tmp___0)) [L603] tmp___2 = __VERIFIER_nondet_int() [L605] COND TRUE \read(tmp___2) [L620] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] CALL processEnvironment() [L697] int tmp ; [L700] COND FALSE !(\read(pumpRunning)) [L715] CALL processEnvironment__wrappee__lowWaterSensor() [L671] int tmp ; [L674] COND FALSE !(\read(pumpRunning)) [L689] FCALL processEnvironment__wrappee__base() [L715] RET processEnvironment__wrappee__lowWaterSensor() [L651] RET processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L163] RET, EXPR isMethaneLevelCritical() [L163] tmp = isMethaneLevelCritical() [L165] COND FALSE !(\read(tmp)) [L181] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L620] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 02:48:22,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)