./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_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 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_product32.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 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:52:30,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:52:30,647 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:52:30,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:52:30,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:52:30,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:52:30,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:52:30,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:52:30,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:52:30,689 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:52:30,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:52:30,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:52:30,691 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:52:30,691 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:52:30,692 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:52:30,692 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:52:30,692 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:52:30,693 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:52:30,693 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:52:30,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:52:30,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:52:30,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:52:30,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:52:30,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:52:30,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:52:30,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:52:30,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:52:30,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:52:30,697 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:52:30,697 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:52:30,697 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:52:30,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:52:30,698 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:52:30,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:52:30,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:52:30,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:52:30,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:52:30,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:52:30,700 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:52:30,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2024-10-15 00:52:30,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:52:31,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:52:31,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:52:31,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:52:31,017 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:52:31,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2024-10-15 00:52:32,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:52:32,735 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:52:32,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2024-10-15 00:52:32,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b97500d/309f834a167f4d61b5801d0f00b9df39/FLAG7c8b3c972 [2024-10-15 00:52:33,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b97500d/309f834a167f4d61b5801d0f00b9df39 [2024-10-15 00:52:33,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:52:33,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:52:33,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:52:33,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:52:33,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:52:33,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6670a1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33, skipping insertion in model container [2024-10-15 00:52:33,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:52:33,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:52:33,454 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:52:33,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-10-15 00:52:33,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-10-15 00:52:33,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2024-10-15 00:52:33,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] [2024-10-15 00:52:33,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] [2024-10-15 00:52:33,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] [2024-10-15 00:52:33,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] [2024-10-15 00:52:33,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] [2024-10-15 00:52:33,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:52:33,570 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:52:33,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33 WrapperNode [2024-10-15 00:52:33,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:52:33,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:52:33,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:52:33,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:52:33,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,630 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 517 [2024-10-15 00:52:33,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:52:33,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:52:33,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:52:33,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:52:33,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,669 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]. [2024-10-15 00:52:33,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:52:33,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:52:33,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:52:33,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:52:33,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (1/1) ... [2024-10-15 00:52:33,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:52:33,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:52:33,736 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) [2024-10-15 00:52:33,738 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 [2024-10-15 00:52:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:52:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:52:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:52:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:52:33,842 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:52:33,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:52:34,267 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-10-15 00:52:34,268 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:52:34,292 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:52:34,292 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 00:52:34,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:52:34 BoogieIcfgContainer [2024-10-15 00:52:34,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:52:34,293 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:52:34,294 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:52:34,297 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:52:34,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:52:34,298 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:52:33" (1/3) ... [2024-10-15 00:52:34,298 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e02e4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:52:34, skipping insertion in model container [2024-10-15 00:52:34,298 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:52:34,299 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:52:33" (2/3) ... [2024-10-15 00:52:34,299 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e02e4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:52:34, skipping insertion in model container [2024-10-15 00:52:34,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:52:34,299 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:52:34" (3/3) ... [2024-10-15 00:52:34,300 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2024-10-15 00:52:34,356 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:52:34,356 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:52:34,356 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:52:34,356 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:52:34,356 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:52:34,356 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:52:34,356 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:52:34,357 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:52:34,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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) [2024-10-15 00:52:34,386 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-10-15 00:52:34,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:52:34,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:52:34,396 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:34,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:34,397 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:52:34,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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) [2024-10-15 00:52:34,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-10-15 00:52:34,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:52:34,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:52:34,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:34,415 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:34,420 INFO L745 eck$LassoCheckResult]: Stem: 38#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 34#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 131#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 107#valid_product_returnLabel#1true main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 124#L963true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 87#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2#L592-2true [2024-10-15 00:52:34,421 INFO L747 eck$LassoCheckResult]: Loop: 2#L592-2true assume !false; 98#L593true assume test_~splverifierCounter~0#1 < 4; 122#L594true havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 18#L602true assume !(0 != test_~tmp~4#1); 62#L602-2true havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 7#L612true assume !(0 != test_~tmp___0~1#1); 156#L612-2true havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 118#L622true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 63#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 56#L630-2true assume { :begin_inline_timeShift } true; 137#L661true assume !(0 != ~pumpRunning~0); 37#L661-2true assume !(0 != ~systemActive~0); 145#L668-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 82#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 29#L560true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 129#L560-1true havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 75#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 2#L592-2true [2024-10-15 00:52:34,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-10-15 00:52:34,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:34,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717575852] [2024-10-15 00:52:34,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:34,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:34,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:34,596 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:34,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:34,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1850088515, now seen corresponding path program 1 times [2024-10-15 00:52:34,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:34,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748532800] [2024-10-15 00:52:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:34,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:52:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:52:34,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:52:34,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748532800] [2024-10-15 00:52:34,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748532800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:52:34,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:52:34,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 00:52:34,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686905832] [2024-10-15 00:52:34,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:52:34,701 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-15 00:52:34,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:52:34,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-15 00:52:34,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-15 00:52:34,741 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.3375796178343948) internal successors, (210), 157 states have internal predecessors, (210), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-15 00:52:34,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:52:34,815 INFO L93 Difference]: Finished difference Result 295 states and 381 transitions. [2024-10-15 00:52:34,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 381 transitions. [2024-10-15 00:52:34,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2024-10-15 00:52:34,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 275 states and 360 transitions. [2024-10-15 00:52:34,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2024-10-15 00:52:34,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2024-10-15 00:52:34,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 360 transitions. [2024-10-15 00:52:34,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:52:34,851 INFO L218 hiAutomatonCegarLoop]: Abstraction has 275 states and 360 transitions. [2024-10-15 00:52:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 360 transitions. [2024-10-15 00:52:34,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 272. [2024-10-15 00:52:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 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) [2024-10-15 00:52:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 356 transitions. [2024-10-15 00:52:34,891 INFO L240 hiAutomatonCegarLoop]: Abstraction has 272 states and 356 transitions. [2024-10-15 00:52:34,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:52:34,896 INFO L425 stractBuchiCegarLoop]: Abstraction has 272 states and 356 transitions. [2024-10-15 00:52:34,896 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:52:34,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states and 356 transitions. [2024-10-15 00:52:34,900 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2024-10-15 00:52:34,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:52:34,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:52:34,901 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:34,901 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:52:34,902 INFO L745 eck$LassoCheckResult]: Stem: 524#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 525#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 518#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 519#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 595#valid_product_returnLabel#1 main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 596#L963 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 575#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 576#L592-2 [2024-10-15 00:52:34,902 INFO L747 eck$LassoCheckResult]: Loop: 576#L592-2 assume !false; 589#L593 assume test_~splverifierCounter~0#1 < 4; 590#L594 havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 487#L602 assume !(0 != test_~tmp~4#1); 489#L602-2 havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 468#L612 assume !(0 != test_~tmp___0~1#1); 470#L612-2 havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 603#L622 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 593#L630 assume !(0 != test_~tmp___1~0#1); 546#L630-2 assume { :begin_inline_timeShift } true; 547#L661 assume !(0 != ~pumpRunning~0); 522#L661-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 523#L719 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 556#L693-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 464#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 465#L693-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 476#L719-1 havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 549#L668-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 573#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 509#L560 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 502#L560-1 havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 608#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 576#L592-2 [2024-10-15 00:52:34,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:34,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-10-15 00:52:34,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:34,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202330079] [2024-10-15 00:52:34,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:34,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:34,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:34,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:34,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:34,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1305332318, now seen corresponding path program 1 times [2024-10-15 00:52:34,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:34,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804870009] [2024-10-15 00:52:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:34,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:34,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:34,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:34,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:52:34,964 INFO L85 PathProgramCache]: Analyzing trace with hash -188489626, now seen corresponding path program 1 times [2024-10-15 00:52:34,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:52:34,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629387763] [2024-10-15 00:52:34,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:52:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:52:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:34,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:35,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:52:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:35,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:52:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:52:35,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:52:35 BoogieIcfgContainer [2024-10-15 00:52:35,987 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:52:35,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:52:35,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:52:35,988 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:52:35,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:52:34" (3/4) ... [2024-10-15 00:52:35,990 INFO L136 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-15 00:52:36,041 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-15 00:52:36,042 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:52:36,043 INFO L158 Benchmark]: Toolchain (without parser) took 2951.00ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 90.4MB in the beginning and 120.4MB in the end (delta: -30.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-10-15 00:52:36,043 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:52:36,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.47ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 70.1MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 00:52:36,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.76ms. Allocated memory is still 146.8MB. Free memory was 70.1MB in the beginning and 66.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 00:52:36,044 INFO L158 Benchmark]: Boogie Preprocessor took 63.16ms. Allocated memory is still 146.8MB. Free memory was 66.8MB in the beginning and 63.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:52:36,044 INFO L158 Benchmark]: RCFGBuilder took 597.29ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 63.5MB in the beginning and 154.7MB in the end (delta: -91.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-10-15 00:52:36,045 INFO L158 Benchmark]: BuchiAutomizer took 1693.85ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 123.6MB in the end (delta: 31.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-10-15 00:52:36,045 INFO L158 Benchmark]: Witness Printer took 54.20ms. Allocated memory is still 201.3MB. Free memory was 123.6MB in the beginning and 120.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:52:36,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.47ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 70.1MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.76ms. Allocated memory is still 146.8MB. Free memory was 70.1MB in the beginning and 66.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.16ms. Allocated memory is still 146.8MB. Free memory was 66.8MB in the beginning and 63.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.29ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 63.5MB in the beginning and 154.7MB in the end (delta: -91.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1693.85ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 123.6MB in the end (delta: 31.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 54.20ms. Allocated memory is still 201.3MB. Free memory was 123.6MB in the beginning and 120.4MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] - GenericResultAtLocation [Line: 577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] - GenericResultAtLocation [Line: 650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] - GenericResultAtLocation [Line: 871]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] - GenericResultAtLocation [Line: 880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] * 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 3 locations. The remainder module has 272 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 203 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 592]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L592] COND TRUE 1 [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 592]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L592] COND TRUE 1 [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 00:52:36,082 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)