./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc 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_spec2_product01.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 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:56:42,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:56:42,403 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:56:42,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:56:42,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:56:42,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:56:42,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:56:42,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:56:42,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:56:42,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:56:42,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:56:42,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:56:42,435 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:56:42,435 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:56:42,436 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:56:42,436 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:56:42,436 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:56:42,436 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:56:42,437 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:56:42,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:56:42,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:56:42,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:56:42,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:56:42,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:56:42,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:56:42,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:56:42,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:56:42,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:56:42,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:56:42,440 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:56:42,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:56:42,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:56:42,440 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:56:42,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:56:42,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:56:42,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:56:42,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:56:42,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:56:42,442 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:56:42,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 [2024-11-19 14:56:42,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:56:42,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:56:42,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:56:42,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:56:42,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:56:42,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2024-11-19 14:56:44,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:56:44,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:56:44,399 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2024-11-19 14:56:44,410 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e854833b1/8655aa0b7ad24373b0416a267c80e736/FLAGce8d3a791 [2024-11-19 14:56:44,755 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e854833b1/8655aa0b7ad24373b0416a267c80e736 [2024-11-19 14:56:44,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:56:44,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:56:44,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:44,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:56:44,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:56:44,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:44" (1/1) ... [2024-11-19 14:56:44,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d70ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:44, skipping insertion in model container [2024-11-19 14:56:44,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:44" (1/1) ... [2024-11-19 14:56:44,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:56:45,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:45,140 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:56:45,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-11-19 14:56:45,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] [2024-11-19 14:56:45,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] [2024-11-19 14:56:45,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [271] [2024-11-19 14:56:45,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [369] [2024-11-19 14:56:45,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [409] [2024-11-19 14:56:45,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [775] [2024-11-19 14:56:45,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [856] [2024-11-19 14:56:45,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:56:45,212 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:56:45,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45 WrapperNode [2024-11-19 14:56:45,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:56:45,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:45,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:56:45,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:56:45,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,251 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 36, statements flattened = 244 [2024-11-19 14:56:45,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:56:45,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:56:45,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:56:45,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:56:45,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,282 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]. [2024-11-19 14:56:45,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:56:45,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:56:45,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:56:45,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:56:45,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (1/1) ... [2024-11-19 14:56:45,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:56:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:56:45,335 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) [2024-11-19 14:56:45,337 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 [2024-11-19 14:56:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:56:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:56:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:56:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:56:45,446 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:56:45,448 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:56:45,629 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-19 14:56:45,629 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:56:45,642 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:56:45,642 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:56:45,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:45 BoogieIcfgContainer [2024-11-19 14:56:45,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:56:45,643 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:56:45,644 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:56:45,646 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:56:45,647 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:45,647 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:56:44" (1/3) ... [2024-11-19 14:56:45,648 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f794f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:45, skipping insertion in model container [2024-11-19 14:56:45,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:45,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:45" (2/3) ... [2024-11-19 14:56:45,649 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f794f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:56:45, skipping insertion in model container [2024-11-19 14:56:45,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:56:45,649 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:45" (3/3) ... [2024-11-19 14:56:45,650 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2024-11-19 14:56:45,696 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:56:45,696 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:56:45,696 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:56:45,696 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:56:45,696 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:56:45,696 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:56:45,697 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:56:45,697 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:56:45,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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) [2024-11-19 14:56:45,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2024-11-19 14:56:45,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:45,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:45,727 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:45,728 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:45,728 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:56:45,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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) [2024-11-19 14:56:45,734 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2024-11-19 14:56:45,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:45,735 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:45,736 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:45,736 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:45,742 INFO L745 eck$LassoCheckResult]: Stem: 40#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 34#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 29#valid_product_returnLabel#1true main_#t~ret18#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret18#1;havoc main_#t~ret18#1; 27#L356true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 45#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 28#L179-2true [2024-11-19 14:56:45,743 INFO L747 eck$LassoCheckResult]: Loop: 28#L179-2true assume !false; 2#L180true assume test_~splverifierCounter~0#1 < 4; 37#L181true havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 24#L189true assume !(0 != test_~tmp~0#1); 60#L189-2true havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 64#L199true assume !(0 != test_~tmp___0~0#1); 50#L199-2true havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 53#L209true assume 0 != test_~tmp___2~0#1; 65#L215-2true assume { :begin_inline_timeShift } true; 43#L66true assume !(0 != ~pumpRunning~0); 54#L66-2true assume !(0 != ~systemActive~0); 56#L73-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 66#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 25#L388true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 44#L388-1true havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 74#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 28#L179-2true [2024-11-19 14:56:45,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:45,748 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-19 14:56:45,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:45,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896278973] [2024-11-19 14:56:45,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:45,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:45,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:45,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:45,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:45,897 INFO L85 PathProgramCache]: Analyzing trace with hash 980402572, now seen corresponding path program 1 times [2024-11-19 14:56:45,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:45,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918039306] [2024-11-19 14:56:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:45,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:45,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:45,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:45,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash 818115189, now seen corresponding path program 1 times [2024-11-19 14:56:45,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:45,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933200203] [2024-11-19 14:56:45,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:45,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:56:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:56:46,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:56:46,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933200203] [2024-11-19 14:56:46,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933200203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:56:46,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:56:46,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 14:56:46,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333370581] [2024-11-19 14:56:46,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:56:46,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:56:46,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:56:46,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 14:56:46,260 INFO L87 Difference]: Start difference. First operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:56:46,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:56:46,325 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2024-11-19 14:56:46,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 95 transitions. [2024-11-19 14:56:46,328 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2024-11-19 14:56:46,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 66 states and 85 transitions. [2024-11-19 14:56:46,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2024-11-19 14:56:46,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2024-11-19 14:56:46,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 85 transitions. [2024-11-19 14:56:46,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:56:46,335 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-11-19 14:56:46,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 85 transitions. [2024-11-19 14:56:46,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-19 14:56:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 65 states have internal predecessors, (85), 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) [2024-11-19 14:56:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-11-19 14:56:46,359 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-11-19 14:56:46,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:56:46,363 INFO L425 stractBuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-11-19 14:56:46,363 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:56:46,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 85 transitions. [2024-11-19 14:56:46,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2024-11-19 14:56:46,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:56:46,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:56:46,367 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:46,367 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:56:46,367 INFO L745 eck$LassoCheckResult]: Stem: 223#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 224#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 220#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 221#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~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 217#valid_product_returnLabel#1 main_#t~ret18#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret18#1;havoc main_#t~ret18#1; 212#L356 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 179#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 180#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 213#L179-2 [2024-11-19 14:56:46,367 INFO L747 eck$LassoCheckResult]: Loop: 213#L179-2 assume !false; 176#L180 assume test_~splverifierCounter~0#1 < 4; 177#L181 havoc test_#t~nondet13#1;test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 207#L189 assume !(0 != test_~tmp~0#1); 208#L189-2 havoc test_#t~nondet14#1;test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 237#L199 assume !(0 != test_~tmp___0~0#1); 186#L199-2 havoc test_#t~nondet15#1;test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 232#L209 assume 0 != test_~tmp___2~0#1; 233#L215-2 assume { :begin_inline_timeShift } true; 226#L66 assume !(0 != ~pumpRunning~0); 227#L66-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 214#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 215#L73-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 235#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 209#L388 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 204#L388-1 havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 228#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 213#L179-2 [2024-11-19 14:56:46,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-19 14:56:46,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:46,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803060111] [2024-11-19 14:56:46,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:56:46,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:46,380 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:56:46,380 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:56:46,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:46,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:46,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash 955549995, now seen corresponding path program 1 times [2024-11-19 14:56:46,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:46,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374410117] [2024-11-19 14:56:46,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:46,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:46,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:46,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:56:46,396 INFO L85 PathProgramCache]: Analyzing trace with hash 219608418, now seen corresponding path program 1 times [2024-11-19 14:56:46,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:56:46,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896538580] [2024-11-19 14:56:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:56:46,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:56:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:46,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:46,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:56:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:47,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:56:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:56:47,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:56:47 BoogieIcfgContainer [2024-11-19 14:56:47,198 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:56:47,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:56:47,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:56:47,199 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:56:47,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:45" (3/4) ... [2024-11-19 14:56:47,200 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-19 14:56:47,245 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 14:56:47,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:56:47,246 INFO L158 Benchmark]: Toolchain (without parser) took 2486.49ms. Allocated memory was 140.5MB in the beginning and 218.1MB in the end (delta: 77.6MB). Free memory was 69.0MB in the beginning and 119.2MB in the end (delta: -50.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-19 14:56:47,246 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:56:47,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.25ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 68.8MB in the beginning and 143.6MB in the end (delta: -74.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-19 14:56:47,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.79ms. Allocated memory is still 180.4MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:47,247 INFO L158 Benchmark]: Boogie Preprocessor took 48.22ms. Allocated memory is still 180.4MB. Free memory was 141.5MB in the beginning and 139.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:47,247 INFO L158 Benchmark]: RCFGBuilder took 342.12ms. Allocated memory is still 180.4MB. Free memory was 139.4MB in the beginning and 121.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 14:56:47,248 INFO L158 Benchmark]: BuchiAutomizer took 1554.58ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 121.8MB in the beginning and 121.3MB in the end (delta: 406.4kB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-19 14:56:47,248 INFO L158 Benchmark]: Witness Printer took 46.96ms. Allocated memory is still 218.1MB. Free memory was 121.3MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:56:47,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.25ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 68.8MB in the beginning and 143.6MB in the end (delta: -74.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.79ms. Allocated memory is still 180.4MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.22ms. Allocated memory is still 180.4MB. Free memory was 141.5MB in the beginning and 139.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.12ms. Allocated memory is still 180.4MB. Free memory was 139.4MB in the beginning and 121.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1554.58ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 121.8MB in the beginning and 121.3MB in the end (delta: 406.4kB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Witness Printer took 46.96ms. Allocated memory is still 218.1MB. Free memory was 121.3MB in the beginning and 119.2MB 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 165]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [165] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [233] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [271] - GenericResultAtLocation [Line: 369]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [369] - GenericResultAtLocation [Line: 409]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [409] - GenericResultAtLocation [Line: 775]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [775] - GenericResultAtLocation [Line: 856]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [856] * 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 66 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, 173 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 90 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: 179]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L272] int cleanupTimeShifts = 4; [L371] int methAndRunningLastTime ; [L579] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L777] int waterLevel = 1; [L778] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L347] int retValue_acc ; [L348] int tmp ; [L352] FCALL select_helpers() [L353] FCALL select_features() [L354] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L354] RET, EXPR valid_product() [L354] tmp = valid_product() [L356] COND TRUE \read(tmp) [L358] FCALL setup() [L359] CALL runTest() [L340] CALL __utac_acc__Specification2_spec__1() [L376] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L340] RET __utac_acc__Specification2_spec__1() [L341] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification2_spec__2() [L381] int tmp ; [L382] int tmp___0 ; [L386] CALL, EXPR isMethaneLevelCritical() [L816] int retValue_acc ; [L819] retValue_acc = methaneLevelCritical [L820] return (retValue_acc); [L386] RET, EXPR isMethaneLevelCritical() [L386] tmp = isMethaneLevelCritical() [L388] COND FALSE !(\read(tmp)) [L404] methAndRunningLastTime = 0 [L81] RET __utac_acc__Specification2_spec__2() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 179]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L272] int cleanupTimeShifts = 4; [L371] int methAndRunningLastTime ; [L579] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L777] int waterLevel = 1; [L778] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L347] int retValue_acc ; [L348] int tmp ; [L352] FCALL select_helpers() [L353] FCALL select_features() [L354] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L354] RET, EXPR valid_product() [L354] tmp = valid_product() [L356] COND TRUE \read(tmp) [L358] FCALL setup() [L359] CALL runTest() [L340] CALL __utac_acc__Specification2_spec__1() [L376] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L340] RET __utac_acc__Specification2_spec__1() [L341] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification2_spec__2() [L381] int tmp ; [L382] int tmp___0 ; [L386] CALL, EXPR isMethaneLevelCritical() [L816] int retValue_acc ; [L819] retValue_acc = methaneLevelCritical [L820] return (retValue_acc); [L386] RET, EXPR isMethaneLevelCritical() [L386] tmp = isMethaneLevelCritical() [L388] COND FALSE !(\read(tmp)) [L404] methAndRunningLastTime = 0 [L81] RET __utac_acc__Specification2_spec__2() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-19 14:56:47,275 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)