./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_spec3_product36.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 a02c09de3ac56c41127e71d631df699be80ebdf5846a7586536864de14f59a0e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 21:39:49,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 21:39:49,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-12 21:39:49,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 21:39:49,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 21:39:49,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 21:39:49,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 21:39:49,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 21:39:49,826 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 21:39:49,827 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 21:39:49,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 21:39:49,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 21:39:49,828 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 21:39:49,828 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-12 21:39:49,829 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-12 21:39:49,829 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-12 21:39:49,829 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-12 21:39:49,830 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-12 21:39:49,830 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-12 21:39:49,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 21:39:49,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-12 21:39:49,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 21:39:49,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 21:39:49,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 21:39:49,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 21:39:49,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-12 21:39:49,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-12 21:39:49,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-12 21:39:49,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 21:39:49,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 21:39:49,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 21:39:49,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 21:39:49,834 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-12 21:39:49,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 21:39:49,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 21:39:49,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 21:39:49,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 21:39:49,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 21:39:49,836 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-12 21:39:49,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02c09de3ac56c41127e71d631df699be80ebdf5846a7586536864de14f59a0e [2024-11-12 21:39:50,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 21:39:50,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 21:39:50,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 21:39:50,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 21:39:50,155 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 21:39:50,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2024-11-12 21:39:51,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 21:39:51,889 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 21:39:51,890 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2024-11-12 21:39:51,903 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9a7d40d/e7ea44a9a18a4255aa684063950ad424/FLAG94858caff [2024-11-12 21:39:52,232 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9a7d40d/e7ea44a9a18a4255aa684063950ad424 [2024-11-12 21:39:52,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 21:39:52,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 21:39:52,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:52,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 21:39:52,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 21:39:52,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1875fcc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52, skipping insertion in model container [2024-11-12 21:39:52,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 21:39:52,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:52,585 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 21:39:52,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-12 21:39:52,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-11-12 21:39:52,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [424] [2024-11-12 21:39:52,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [611] [2024-11-12 21:39:52,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [683] [2024-11-12 21:39:52,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [778] [2024-11-12 21:39:52,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [877] [2024-11-12 21:39:52,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912] [2024-11-12 21:39:52,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 21:39:52,734 INFO L204 MainTranslator]: Completed translation [2024-11-12 21:39:52,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52 WrapperNode [2024-11-12 21:39:52,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 21:39:52,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:52,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 21:39:52,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 21:39:52,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,812 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 51, calls inlined = 56, statements flattened = 382 [2024-11-12 21:39:52,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 21:39:52,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 21:39:52,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 21:39:52,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 21:39:52,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,858 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]. [2024-11-12 21:39:52,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 21:39:52,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 21:39:52,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 21:39:52,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 21:39:52,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (1/1) ... [2024-11-12 21:39:52,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-12 21:39:52,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:52,919 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) [2024-11-12 21:39:52,923 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 [2024-11-12 21:39:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 21:39:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 21:39:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 21:39:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 21:39:53,067 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 21:39:53,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 21:39:53,404 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-12 21:39:53,404 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 21:39:53,431 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 21:39:53,431 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 21:39:53,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:53 BoogieIcfgContainer [2024-11-12 21:39:53,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 21:39:53,433 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-12 21:39:53,433 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-12 21:39:53,436 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-12 21:39:53,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:53,437 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 09:39:52" (1/3) ... [2024-11-12 21:39:53,437 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cf51f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:53, skipping insertion in model container [2024-11-12 21:39:53,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:53,438 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:52" (2/3) ... [2024-11-12 21:39:53,438 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cf51f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 09:39:53, skipping insertion in model container [2024-11-12 21:39:53,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-12 21:39:53,438 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:53" (3/3) ... [2024-11-12 21:39:53,439 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product36.cil.c [2024-11-12 21:39:53,503 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2024-11-12 21:39:53,504 INFO L302 stractBuchiCegarLoop]: Hoare is None [2024-11-12 21:39:53,504 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-12 21:39:53,504 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-12 21:39:53,504 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-12 21:39:53,504 INFO L306 stractBuchiCegarLoop]: Difference is false [2024-11-12 21:39:53,504 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-12 21:39:53,504 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-12 21:39:53,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.3728813559322033) internal successors, (162), 118 states have internal predecessors, (162), 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) [2024-11-12 21:39:53,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2024-11-12 21:39:53,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:53,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:53,573 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:53,573 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:53,573 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-12 21:39:53,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.3728813559322033) internal successors, (162), 118 states have internal predecessors, (162), 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) [2024-11-12 21:39:53,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2024-11-12 21:39:53,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:53,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:53,584 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:53,584 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:53,589 INFO L747 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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:53,589 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet41#1;test_~tmp___1~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:53,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:53,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-12 21:39:53,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:53,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004192824] [2024-11-12 21:39:53,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:53,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:53,700 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:53,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:53,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:53,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1528738401, now seen corresponding path program 1 times [2024-11-12 21:39:53,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:53,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126739782] [2024-11-12 21:39:53,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:53,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:53,765 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:53,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:53,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:53,785 INFO L85 PathProgramCache]: Analyzing trace with hash 597056797, now seen corresponding path program 1 times [2024-11-12 21:39:53,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:53,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106570542] [2024-11-12 21:39:53,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:53,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:54,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:54,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106570542] [2024-11-12 21:39:54,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106570542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:54,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293201716] [2024-11-12 21:39:54,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:54,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:54,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:54,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 21:39:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:54,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 21:39:54,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:54,182 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:54,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293201716] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:54,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:54,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-12 21:39:54,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889630829] [2024-11-12 21:39:54,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:54,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:54,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 21:39:54,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 21:39:54,365 INFO L87 Difference]: Start difference. First operand has 119 states, 118 states have (on average 1.3728813559322033) internal successors, (162), 118 states have internal predecessors, (162), 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 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 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) [2024-11-12 21:39:54,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:54,491 INFO L93 Difference]: Finished difference Result 288 states and 375 transitions. [2024-11-12 21:39:54,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 288 states and 375 transitions. [2024-11-12 21:39:54,502 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 187 [2024-11-12 21:39:54,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 288 states to 258 states and 345 transitions. [2024-11-12 21:39:54,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 258 [2024-11-12 21:39:54,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 258 [2024-11-12 21:39:54,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 258 states and 345 transitions. [2024-11-12 21:39:54,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:54,520 INFO L218 hiAutomatonCegarLoop]: Abstraction has 258 states and 345 transitions. [2024-11-12 21:39:54,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states and 345 transitions. [2024-11-12 21:39:54,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 161. [2024-11-12 21:39:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 161 states have (on average 1.3354037267080745) internal successors, (215), 160 states have internal predecessors, (215), 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) [2024-11-12 21:39:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 215 transitions. [2024-11-12 21:39:54,558 INFO L240 hiAutomatonCegarLoop]: Abstraction has 161 states and 215 transitions. [2024-11-12 21:39:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 21:39:54,565 INFO L426 stractBuchiCegarLoop]: Abstraction has 161 states and 215 transitions. [2024-11-12 21:39:54,565 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-12 21:39:54,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 215 transitions. [2024-11-12 21:39:54,570 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 115 [2024-11-12 21:39:54,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:54,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:54,575 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:54,575 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] [2024-11-12 21:39:54,575 INFO L747 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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:54,575 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#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~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:54,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:54,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-12 21:39:54,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:54,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224206871] [2024-11-12 21:39:54,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:54,598 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:54,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:54,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:54,619 INFO L85 PathProgramCache]: Analyzing trace with hash -563677243, now seen corresponding path program 1 times [2024-11-12 21:39:54,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:54,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312600935] [2024-11-12 21:39:54,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:54,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:54,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:54,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312600935] [2024-11-12 21:39:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312600935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:54,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345900186] [2024-11-12 21:39:54,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:54,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:54,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:54,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:54,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 21:39:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:54,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 21:39:54,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:54,720 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:54,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345900186] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:54,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:54,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-12 21:39:54,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037869333] [2024-11-12 21:39:54,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:54,727 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-12 21:39:54,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:54,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 21:39:54,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 21:39:54,728 INFO L87 Difference]: Start difference. First operand 161 states and 215 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-12 21:39:54,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:54,780 INFO L93 Difference]: Finished difference Result 215 states and 276 transitions. [2024-11-12 21:39:54,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 276 transitions. [2024-11-12 21:39:54,782 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 157 [2024-11-12 21:39:54,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 215 states and 276 transitions. [2024-11-12 21:39:54,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2024-11-12 21:39:54,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2024-11-12 21:39:54,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 276 transitions. [2024-11-12 21:39:54,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:54,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 215 states and 276 transitions. [2024-11-12 21:39:54,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 276 transitions. [2024-11-12 21:39:54,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-12 21:39:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 215 states have (on average 1.283720930232558) internal successors, (276), 214 states have internal predecessors, (276), 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) [2024-11-12 21:39:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 276 transitions. [2024-11-12 21:39:54,802 INFO L240 hiAutomatonCegarLoop]: Abstraction has 215 states and 276 transitions. [2024-11-12 21:39:54,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 21:39:54,806 INFO L426 stractBuchiCegarLoop]: Abstraction has 215 states and 276 transitions. [2024-11-12 21:39:54,806 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-12 21:39:54,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 276 transitions. [2024-11-12 21:39:54,807 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 157 [2024-11-12 21:39:54,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:54,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:54,808 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:54,808 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:54,809 INFO L747 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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:54,809 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#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~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret37#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret37#1;havoc isHighWaterLevel_#t~ret37#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret27#1;havoc processEnvironment_#t~ret27#1;" "assume !(0 != processEnvironment_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:54,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:54,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-12 21:39:54,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:54,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379989650] [2024-11-12 21:39:54,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:54,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:54,838 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:54,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:54,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:54,855 INFO L85 PathProgramCache]: Analyzing trace with hash -194719891, now seen corresponding path program 1 times [2024-11-12 21:39:54,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:54,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959965181] [2024-11-12 21:39:54,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:54,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:54,885 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:54,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:54,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:54,895 INFO L85 PathProgramCache]: Analyzing trace with hash -321161167, now seen corresponding path program 1 times [2024-11-12 21:39:54,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:54,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449642019] [2024-11-12 21:39:54,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:54,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:55,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 21:39:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449642019] [2024-11-12 21:39:55,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449642019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 21:39:55,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136425415] [2024-11-12 21:39:55,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:55,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 21:39:55,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 21:39:55,070 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 21:39:55,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 21:39:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 21:39:55,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 21:39:55,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 21:39:55,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 21:39:55,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136425415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 21:39:55,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 21:39:55,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-12 21:39:55,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223006665] [2024-11-12 21:39:55,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 21:39:55,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 21:39:55,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 21:39:55,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 21:39:55,421 INFO L87 Difference]: Start difference. First operand 215 states and 276 transitions. cyclomatic complexity: 64 Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-11-12 21:39:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 21:39:55,488 INFO L93 Difference]: Finished difference Result 423 states and 533 transitions. [2024-11-12 21:39:55,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 423 states and 533 transitions. [2024-11-12 21:39:55,493 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 314 [2024-11-12 21:39:55,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 423 states to 423 states and 533 transitions. [2024-11-12 21:39:55,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 423 [2024-11-12 21:39:55,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 423 [2024-11-12 21:39:55,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 423 states and 533 transitions. [2024-11-12 21:39:55,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-12 21:39:55,500 INFO L218 hiAutomatonCegarLoop]: Abstraction has 423 states and 533 transitions. [2024-11-12 21:39:55,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states and 533 transitions. [2024-11-12 21:39:55,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2024-11-12 21:39:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 423 states have (on average 1.260047281323877) internal successors, (533), 422 states have internal predecessors, (533), 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) [2024-11-12 21:39:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 533 transitions. [2024-11-12 21:39:55,524 INFO L240 hiAutomatonCegarLoop]: Abstraction has 423 states and 533 transitions. [2024-11-12 21:39:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 21:39:55,525 INFO L426 stractBuchiCegarLoop]: Abstraction has 423 states and 533 transitions. [2024-11-12 21:39:55,525 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-12 21:39:55,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 423 states and 533 transitions. [2024-11-12 21:39:55,528 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 314 [2024-11-12 21:39:55,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-12 21:39:55,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-12 21:39:55,529 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:55,529 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 21:39:55,529 INFO L747 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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~ret47#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-12 21:39:55,529 INFO L749 eck$LassoCheckResult]: Loop: "assume !false;" "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet38#1;test_~tmp~5#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet39#1;test_~tmp___0~1#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet40#1;test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#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~ret27#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret37#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret37#1;havoc isHighWaterLevel_#t~ret37#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1;" "processEnvironment_#t~ret27#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret37#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3#1 := processEnvironment_#t~ret27#1;havoc processEnvironment_#t~ret27#1;" "assume !(0 != processEnvironment_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret27#1, processEnvironment_~tmp~3#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-12 21:39:55,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:55,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-12 21:39:55,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:55,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978361173] [2024-11-12 21:39:55,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:55,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:55,537 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:55,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:55,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:55,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1853938146, now seen corresponding path program 1 times [2024-11-12 21:39:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:55,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765146150] [2024-11-12 21:39:55,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:55,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:55,556 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:55,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:55,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 21:39:55,567 INFO L85 PathProgramCache]: Analyzing trace with hash 602956198, now seen corresponding path program 1 times [2024-11-12 21:39:55,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 21:39:55,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592874038] [2024-11-12 21:39:55,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 21:39:55,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 21:39:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:55,575 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:55,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 21:39:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:56,440 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 21:39:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 21:39:56,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 09:39:56 BoogieIcfgContainer [2024-11-12 21:39:56,493 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-12 21:39:56,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 21:39:56,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 21:39:56,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 21:39:56,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:53" (3/4) ... [2024-11-12 21:39:56,496 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-12 21:39:56,557 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 21:39:56,557 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 21:39:56,558 INFO L158 Benchmark]: Toolchain (without parser) took 4321.87ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 107.7MB in the beginning and 63.1MB in the end (delta: 44.6MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2024-11-12 21:39:56,558 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 21:39:56,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.83ms. Allocated memory is still 148.9MB. Free memory was 107.3MB in the beginning and 86.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-12 21:39:56,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.73ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 83.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:56,558 INFO L158 Benchmark]: Boogie Preprocessor took 60.21ms. Allocated memory is still 148.9MB. Free memory was 83.3MB in the beginning and 80.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:56,559 INFO L158 Benchmark]: RCFGBuilder took 555.11ms. Allocated memory is still 148.9MB. Free memory was 80.7MB in the beginning and 59.0MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:56,559 INFO L158 Benchmark]: BuchiAutomizer took 3060.34ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 59.0MB in the beginning and 65.2MB in the end (delta: -6.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-12 21:39:56,559 INFO L158 Benchmark]: Witness Printer took 63.46ms. Allocated memory is still 180.4MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 21:39:56,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.83ms. Allocated memory is still 148.9MB. Free memory was 107.3MB in the beginning and 86.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.73ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 83.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.21ms. Allocated memory is still 148.9MB. Free memory was 83.3MB in the beginning and 80.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.11ms. Allocated memory is still 148.9MB. Free memory was 80.7MB in the beginning and 59.0MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3060.34ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 59.0MB in the beginning and 65.2MB in the end (delta: -6.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 63.46ms. Allocated memory is still 180.4MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [424] - GenericResultAtLocation [Line: 611]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [611] - GenericResultAtLocation [Line: 683]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [683] - GenericResultAtLocation [Line: 778]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [778] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [877] - GenericResultAtLocation [Line: 912]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 423 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 97 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, 601 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 601 mSDsluCounter, 1514 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1067 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 447 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc2 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: 625]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L436] int pumpRunning = 0; [L437] int systemActive = 1; [L685] int waterLevel = 1; [L686] int methaneLevelCritical = 0; [L779] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int retValue_acc ; [L856] int tmp ; [L860] FCALL select_helpers() [L861] FCALL select_features() [L862] CALL, EXPR valid_product() [L904] int retValue_acc ; [L907] retValue_acc = 1 [L908] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] RET, EXPR valid_product() [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L866] FCALL setup() [L867] CALL runTest() [L846] CALL test() [L616] int splverifierCounter ; [L617] int tmp ; [L618] int tmp___0 ; [L619] int tmp___1 ; [L620] int tmp___2 ; [L623] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L625] COND TRUE 1 [L627] COND TRUE splverifierCounter < 4 [L633] tmp = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp)) [L643] tmp___0 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___0)) [L653] tmp___2 = __VERIFIER_nondet_int() [L655] COND TRUE \read(tmp___2) [L657] CALL startSystem() [L607] systemActive = 1 [L657] RET startSystem() [L672] CALL timeShift() [L444] COND FALSE !(\read(pumpRunning)) [L451] COND TRUE \read(systemActive) [L453] CALL processEnvironment() [L473] int tmp ; [L476] COND TRUE ! pumpRunning [L478] CALL, EXPR isHighWaterLevel() [L570] int retValue_acc ; [L571] int tmp ; [L572] int tmp___0 ; [L576] CALL, EXPR isHighWaterSensorDry() [L765] int retValue_acc ; [L768] COND TRUE waterLevel < 2 [L769] retValue_acc = 1 [L770] return (retValue_acc); [L576] RET, EXPR isHighWaterSensorDry() [L576] tmp = isHighWaterSensorDry() [L578] COND TRUE \read(tmp) [L579] tmp___0 = 0 [L583] retValue_acc = tmp___0 [L584] return (retValue_acc); [L478] RET, EXPR isHighWaterLevel() [L478] tmp = isHighWaterLevel() [L480] COND FALSE !(\read(tmp)) [L486] FCALL processEnvironment__wrappee__base() [L453] RET processEnvironment() [L459] CALL __utac_acc__Specification3_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L916] int tmp___1 ; [L920] CALL, EXPR isMethaneLevelCritical() [L724] int retValue_acc ; [L727] retValue_acc = methaneLevelCritical [L728] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() [L920] tmp = isMethaneLevelCritical() [L922] COND FALSE !(\read(tmp)) [L926] CALL, EXPR getWaterLevel() [L756] int retValue_acc ; [L759] retValue_acc = waterLevel [L760] return (retValue_acc); [L926] RET, EXPR getWaterLevel() [L926] tmp___0 = getWaterLevel() [L928] COND FALSE !(tmp___0 == 2) [L459] RET __utac_acc__Specification3_spec__1() [L672] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 625]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L436] int pumpRunning = 0; [L437] int systemActive = 1; [L685] int waterLevel = 1; [L686] int methaneLevelCritical = 0; [L779] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] int retValue_acc ; [L856] int tmp ; [L860] FCALL select_helpers() [L861] FCALL select_features() [L862] CALL, EXPR valid_product() [L904] int retValue_acc ; [L907] retValue_acc = 1 [L908] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] RET, EXPR valid_product() [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L866] FCALL setup() [L867] CALL runTest() [L846] CALL test() [L616] int splverifierCounter ; [L617] int tmp ; [L618] int tmp___0 ; [L619] int tmp___1 ; [L620] int tmp___2 ; [L623] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L625] COND TRUE 1 [L627] COND TRUE splverifierCounter < 4 [L633] tmp = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp)) [L643] tmp___0 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___0)) [L653] tmp___2 = __VERIFIER_nondet_int() [L655] COND TRUE \read(tmp___2) [L657] CALL startSystem() [L607] systemActive = 1 [L657] RET startSystem() [L672] CALL timeShift() [L444] COND FALSE !(\read(pumpRunning)) [L451] COND TRUE \read(systemActive) [L453] CALL processEnvironment() [L473] int tmp ; [L476] COND TRUE ! pumpRunning [L478] CALL, EXPR isHighWaterLevel() [L570] int retValue_acc ; [L571] int tmp ; [L572] int tmp___0 ; [L576] CALL, EXPR isHighWaterSensorDry() [L765] int retValue_acc ; [L768] COND TRUE waterLevel < 2 [L769] retValue_acc = 1 [L770] return (retValue_acc); [L576] RET, EXPR isHighWaterSensorDry() [L576] tmp = isHighWaterSensorDry() [L578] COND TRUE \read(tmp) [L579] tmp___0 = 0 [L583] retValue_acc = tmp___0 [L584] return (retValue_acc); [L478] RET, EXPR isHighWaterLevel() [L478] tmp = isHighWaterLevel() [L480] COND FALSE !(\read(tmp)) [L486] FCALL processEnvironment__wrappee__base() [L453] RET processEnvironment() [L459] CALL __utac_acc__Specification3_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L916] int tmp___1 ; [L920] CALL, EXPR isMethaneLevelCritical() [L724] int retValue_acc ; [L727] retValue_acc = methaneLevelCritical [L728] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() [L920] tmp = isMethaneLevelCritical() [L922] COND FALSE !(\read(tmp)) [L926] CALL, EXPR getWaterLevel() [L756] int retValue_acc ; [L759] retValue_acc = waterLevel [L760] return (retValue_acc); [L926] RET, EXPR getWaterLevel() [L926] tmp___0 = getWaterLevel() [L928] COND FALSE !(tmp___0 == 2) [L459] RET __utac_acc__Specification3_spec__1() [L672] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-12 21:39:56,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 21:39:56,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 21:39:56,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 21:39:57,194 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)