./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.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 aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:37:50,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:37:50,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-13 17:37:50,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:37:50,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:37:50,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:37:50,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:37:50,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:37:50,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:37:50,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:37:50,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:37:50,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:37:50,371 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:37:50,372 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:37:50,372 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:37:50,373 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:37:50,374 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:37:50,374 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:37:50,374 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:37:50,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:37:50,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:37:50,377 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 17:37:50,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:37:50,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 17:37:50,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:37:50,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:37:50,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:37:50,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:37:50,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:37:50,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:37:50,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 17:37:50,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:37:50,379 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:37:50,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:37:50,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:37:50,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:37:50,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:37:50,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:37:50,384 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:37:50,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2024-10-13 17:37:50,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:37:50,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:37:50,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:37:50,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:37:50,623 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:37:50,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2024-10-13 17:37:51,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:37:52,117 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:37:52,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2024-10-13 17:37:52,128 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d758916f/f22ec58591304d26a4b5fdf912531115/FLAGd53ce89a2 [2024-10-13 17:37:52,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d758916f/f22ec58591304d26a4b5fdf912531115 [2024-10-13 17:37:52,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:37:52,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:37:52,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:37:52,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:37:52,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:37:52,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36431a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52, skipping insertion in model container [2024-10-13 17:37:52,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:37:52,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:37:52,791 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:37:52,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-10-13 17:37:52,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] [2024-10-13 17:37:52,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] [2024-10-13 17:37:52,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] [2024-10-13 17:37:52,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] [2024-10-13 17:37:52,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [714] [2024-10-13 17:37:52,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [804] [2024-10-13 17:37:52,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [869] [2024-10-13 17:37:52,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:37:52,875 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:37:52,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52 WrapperNode [2024-10-13 17:37:52,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:37:52,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:37:52,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:37:52,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:37:52,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,939 INFO L138 Inliner]: procedures = 52, calls = 94, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 327 [2024-10-13 17:37:52,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:37:52,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:37:52,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:37:52,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:37:52,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,968 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]. [2024-10-13 17:37:52,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:37:52,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:37:52,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:37:52,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:37:52,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (1/1) ... [2024-10-13 17:37:52,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:37:53,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:37:53,014 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) [2024-10-13 17:37:53,017 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 [2024-10-13 17:37:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 17:37:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 17:37:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:37:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:37:53,119 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:37:53,122 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:37:53,384 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-10-13 17:37:53,387 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:37:53,404 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:37:53,405 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 17:37:53,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:37:53 BoogieIcfgContainer [2024-10-13 17:37:53,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:37:53,406 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:37:53,406 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:37:53,409 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:37:53,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:37:53,410 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:37:52" (1/3) ... [2024-10-13 17:37:53,411 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9c89d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:37:53, skipping insertion in model container [2024-10-13 17:37:53,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:37:53,411 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:37:52" (2/3) ... [2024-10-13 17:37:53,412 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9c89d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:37:53, skipping insertion in model container [2024-10-13 17:37:53,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:37:53,412 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:37:53" (3/3) ... [2024-10-13 17:37:53,414 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2024-10-13 17:37:53,459 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:37:53,459 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:37:53,459 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:37:53,459 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:37:53,459 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:37:53,459 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:37:53,459 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:37:53,460 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:37:53,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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) [2024-10-13 17:37:53,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-13 17:37:53,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:37:53,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:37:53,492 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:53,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:53,493 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:37:53,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 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) [2024-10-13 17:37:53,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-10-13 17:37:53,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:37:53,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:37:53,501 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:53,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:53,506 INFO L745 eck$LassoCheckResult]: Stem: 24#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 88#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~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; 79#valid_product_returnLabel#1true main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 78#L535true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 63#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 91#L815-2true [2024-10-13 17:37:53,507 INFO L747 eck$LassoCheckResult]: Loop: 91#L815-2true assume !false; 64#L816true assume test_~splverifierCounter~0#1 < 4; 51#L817true havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 99#L825true assume !(0 != test_~tmp~7#1); 100#L825-2true havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 96#L835true assume !(0 != test_~tmp___0~2#1); 10#L835-2true havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 95#L845true assume 0 != test_~tmp___2~0#1; 57#L851-2true assume { :begin_inline_timeShift } true; 30#L570true assume !(0 != ~pumpRunning~0); 44#L570-2true assume !(0 != ~systemActive~0); 37#L577-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 97#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 65#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 92#L61-1true havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 56#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 91#L815-2true [2024-10-13 17:37:53,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:53,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-13 17:37:53,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:53,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033159945] [2024-10-13 17:37:53,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:53,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:53,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:53,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:53,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:53,665 INFO L85 PathProgramCache]: Analyzing trace with hash -828884186, now seen corresponding path program 1 times [2024-10-13 17:37:53,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:53,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673554323] [2024-10-13 17:37:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:53,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:53,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:53,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:53,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:53,690 INFO L85 PathProgramCache]: Analyzing trace with hash 526534890, now seen corresponding path program 1 times [2024-10-13 17:37:53,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:53,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111724557] [2024-10-13 17:37:53,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:53,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:37:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:37:53,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:37:53,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111724557] [2024-10-13 17:37:53,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111724557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:37:53,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:37:53,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 17:37:53,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017230262] [2024-10-13 17:37:53,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:37:53,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:37:54,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 17:37:54,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 17:37:54,022 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:37:54,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:37:54,095 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2024-10-13 17:37:54,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2024-10-13 17:37:54,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-10-13 17:37:54,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2024-10-13 17:37:54,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2024-10-13 17:37:54,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2024-10-13 17:37:54,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2024-10-13 17:37:54,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:37:54,108 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-13 17:37:54,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2024-10-13 17:37:54,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-13 17:37:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) [2024-10-13 17:37:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2024-10-13 17:37:54,137 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-13 17:37:54,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 17:37:54,142 INFO L425 stractBuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-10-13 17:37:54,142 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:37:54,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2024-10-13 17:37:54,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-10-13 17:37:54,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:37:54,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:37:54,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 17:37:54,144 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] [2024-10-13 17:37:54,144 INFO L745 eck$LassoCheckResult]: Stem: 287#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 280#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 281#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~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; 275#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 274#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 224#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 225#L815-2 [2024-10-13 17:37:54,144 INFO L747 eck$LassoCheckResult]: Loop: 225#L815-2 assume !false; 231#L816 assume test_~splverifierCounter~0#1 < 4; 232#L817 havoc test_#t~nondet46#1;test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 309#L825 assume !(0 != test_~tmp~7#1); 291#L825-2 havoc test_#t~nondet47#1;test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 307#L835 assume !(0 != test_~tmp___0~2#1); 252#L835-2 havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 253#L845 assume 0 != test_~tmp___2~0#1; 265#L851-2 assume { :begin_inline_timeShift } true; 293#L570 assume !(0 != ~pumpRunning~0); 294#L570-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 260#L602 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 241#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 242#L602-1 havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 292#L577-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 300#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 234#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 236#L61-1 havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 297#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 225#L815-2 [2024-10-13 17:37:54,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:54,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-13 17:37:54,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:54,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770297559] [2024-10-13 17:37:54,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:54,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:54,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:54,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:54,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash -646831835, now seen corresponding path program 1 times [2024-10-13 17:37:54,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:54,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375929442] [2024-10-13 17:37:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:54,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:54,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:54,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:37:54,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1655311585, now seen corresponding path program 1 times [2024-10-13 17:37:54,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:37:54,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199376560] [2024-10-13 17:37:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:37:54,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:37:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:54,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:54,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:37:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:54,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:37:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:37:54,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:37:54 BoogieIcfgContainer [2024-10-13 17:37:54,928 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:37:54,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:37:54,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:37:54,929 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:37:54,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:37:53" (3/4) ... [2024-10-13 17:37:54,931 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-13 17:37:54,979 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 17:37:54,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:37:54,980 INFO L158 Benchmark]: Toolchain (without parser) took 2483.54ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 104.2MB in the beginning and 100.0MB in the end (delta: 4.2MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-10-13 17:37:54,980 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 159.4MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:37:54,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.98ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 83.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 17:37:54,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.81ms. Allocated memory is still 159.4MB. Free memory was 83.6MB in the beginning and 81.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:37:54,981 INFO L158 Benchmark]: Boogie Preprocessor took 45.76ms. Allocated memory is still 159.4MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 17:37:54,981 INFO L158 Benchmark]: RCFGBuilder took 419.13ms. Allocated memory is still 159.4MB. Free memory was 78.3MB in the beginning and 124.6MB in the end (delta: -46.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-10-13 17:37:54,981 INFO L158 Benchmark]: BuchiAutomizer took 1522.13ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 124.6MB in the beginning and 103.2MB in the end (delta: 21.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2024-10-13 17:37:54,981 INFO L158 Benchmark]: Witness Printer took 50.91ms. Allocated memory is still 213.9MB. Free memory was 103.2MB in the beginning and 100.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:37:54,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 159.4MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.98ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 83.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.81ms. Allocated memory is still 159.4MB. Free memory was 83.6MB in the beginning and 81.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.76ms. Allocated memory is still 159.4MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 419.13ms. Allocated memory is still 159.4MB. Free memory was 78.3MB in the beginning and 124.6MB in the end (delta: -46.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1522.13ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 124.6MB in the beginning and 103.2MB in the end (delta: 21.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * Witness Printer took 50.91ms. Allocated memory is still 213.9MB. Free memory was 103.2MB in the beginning and 100.0MB 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [78] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [548] - GenericResultAtLocation [Line: 557]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [557] - GenericResultAtLocation [Line: 714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [714] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [804] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [869] * 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 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s 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, 0 StatesRemovedByMinimization, 0 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, 123 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 233 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 119 mSDtfsCounter, 18 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: 815]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L716] int waterLevel = 1; [L717] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L806] int splverifierCounter ; [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L810] int tmp___2 ; [L813] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L815] COND TRUE 1 [L817] COND TRUE splverifierCounter < 4 [L823] tmp = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp)) [L833] tmp___0 = __VERIFIER_nondet_int() [L835] COND FALSE !(\read(tmp___0)) [L843] tmp___2 = __VERIFIER_nondet_int() [L845] COND TRUE \read(tmp___2) [L858] CALL timeShift() [L570] COND FALSE !(\read(pumpRunning)) [L577] COND TRUE \read(systemActive) [L579] CALL processEnvironment() [L599] int tmp ; [L602] COND FALSE !(\read(pumpRunning)) [L617] FCALL processEnvironment__wrappee__base() [L579] RET processEnvironment() [L585] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L755] int retValue_acc ; [L758] retValue_acc = methaneLevelCritical [L759] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L585] RET __utac_acc__Specification1_spec__1() [L858] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 815]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L716] int waterLevel = 1; [L717] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L806] int splverifierCounter ; [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L810] int tmp___2 ; [L813] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L815] COND TRUE 1 [L817] COND TRUE splverifierCounter < 4 [L823] tmp = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp)) [L833] tmp___0 = __VERIFIER_nondet_int() [L835] COND FALSE !(\read(tmp___0)) [L843] tmp___2 = __VERIFIER_nondet_int() [L845] COND TRUE \read(tmp___2) [L858] CALL timeShift() [L570] COND FALSE !(\read(pumpRunning)) [L577] COND TRUE \read(systemActive) [L579] CALL processEnvironment() [L599] int tmp ; [L602] COND FALSE !(\read(pumpRunning)) [L617] FCALL processEnvironment__wrappee__base() [L579] RET processEnvironment() [L585] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L755] int retValue_acc ; [L758] retValue_acc = methaneLevelCritical [L759] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L585] RET __utac_acc__Specification1_spec__1() [L858] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-13 17:37:55,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)