./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f 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/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.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 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:20:13,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:20:13,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:20:13,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:20:13,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:20:13,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:20:13,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:20:13,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:20:13,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:20:13,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:20:13,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:20:13,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:20:13,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:20:13,477 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:20:13,479 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:20:13,479 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:20:13,480 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:20:13,480 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:20:13,480 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:20:13,480 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:20:13,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:20:13,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:20:13,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:20:13,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:20:13,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:20:13,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:20:13,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:20:13,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:20:13,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:20:13,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:20:13,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:20:13,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:20:13,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:20:13,484 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:20:13,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:20:13,484 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:20:13,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:20:13,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:20:13,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:20:13,486 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:20:13,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 [2024-11-10 23:20:13,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:20:13,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:20:13,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:20:13,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:20:13,773 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:20:13,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2024-11-10 23:20:15,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:20:15,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:20:15,408 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2024-11-10 23:20:15,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9771bb7/3182e93c9ecd4265907a24f216e45e8c/FLAGdca468094 [2024-11-10 23:20:15,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9771bb7/3182e93c9ecd4265907a24f216e45e8c [2024-11-10 23:20:15,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:20:15,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:20:15,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:20:15,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:20:15,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:20:15,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:20:15" (1/1) ... [2024-11-10 23:20:15,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14818a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:15, skipping insertion in model container [2024-11-10 23:20:15,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:20:15" (1/1) ... [2024-11-10 23:20:15,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:20:16,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:20:16,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:20:16,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:20:16,265 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:20:16,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16 WrapperNode [2024-11-10 23:20:16,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:20:16,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:20:16,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:20:16,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:20:16,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,359 INFO L138 Inliner]: procedures = 28, calls = 52, calls flagged for inlining = 47, calls inlined = 126, statements flattened = 1627 [2024-11-10 23:20:16,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:20:16,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:20:16,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:20:16,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:20:16,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,444 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]. [2024-11-10 23:20:16,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,471 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:20:16,495 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:20:16,495 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:20:16,496 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:20:16,496 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (1/1) ... [2024-11-10 23:20:16,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:20:16,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:20:16,554 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) [2024-11-10 23:20:16,559 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 [2024-11-10 23:20:16,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:20:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:20:16,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:20:16,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:20:16,734 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:20:16,736 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:20:18,056 INFO L? ?]: Removed 670 outVars from TransFormulas that were not future-live. [2024-11-10 23:20:18,057 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:20:18,078 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:20:18,078 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:20:18,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:20:18 BoogieIcfgContainer [2024-11-10 23:20:18,079 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:20:18,080 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:20:18,080 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:20:18,083 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:20:18,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:20:18,084 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:20:15" (1/3) ... [2024-11-10 23:20:18,085 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29fb7032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:20:18, skipping insertion in model container [2024-11-10 23:20:18,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:20:18,085 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:16" (2/3) ... [2024-11-10 23:20:18,085 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29fb7032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:20:18, skipping insertion in model container [2024-11-10 23:20:18,085 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:20:18,086 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:20:18" (3/3) ... [2024-11-10 23:20:18,087 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2024-11-10 23:20:18,202 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:20:18,202 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:20:18,202 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:20:18,203 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:20:18,203 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:20:18,203 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:20:18,203 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:20:18,204 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:20:18,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 530 states, 528 states have (on average 1.7253787878787878) internal successors, (911), 529 states have internal predecessors, (911), 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) [2024-11-10 23:20:18,264 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 507 [2024-11-10 23:20:18,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:20:18,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:20:18,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:20:18,274 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:20:18,274 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:20:18,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 530 states, 528 states have (on average 1.7253787878787878) internal successors, (911), 529 states have internal predecessors, (911), 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) [2024-11-10 23:20:18,298 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 507 [2024-11-10 23:20:18,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:20:18,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:20:18,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:20:18,299 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:20:18,307 INFO L745 eck$LassoCheckResult]: Stem: 521#ULTIMATE.startENTRYtrue 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(48, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~g1v~0 := 0;~g1v_old~0 := 0;~g1v_new~0 := 0;~g2v~0 := 0;~g2v_old~0 := 0;~g2v_new~0 := 0;~g3v~0 := 0;~g3v_old~0 := 0;~g3v_new~0 := 0;~gate1Failed~0 := 0;~gate2Failed~0 := 0;~gate3Failed~0 := 0;~VALUE1~0 := 0;~VALUE2~0 := 0;~VALUE3~0 := 0;~gate1Failed_History_0~0 := 0;~gate1Failed_History_1~0 := 0;~gate1Failed_History_2~0 := 0;~gate2Failed_History_0~0 := 0;~gate2Failed_History_1~0 := 0;~gate2Failed_History_2~0 := 0;~gate3Failed_History_0~0 := 0;~gate3Failed_History_1~0 := 0;~gate3Failed_History_2~0 := 0;~votedValue_History_0~0 := 0;~votedValue_History_1~0 := 0;~votedValue_History_2~0 := 0; 37#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~ret55#1, main_#t~ret56#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet37#1;assume 0 == main_#t~nondet37#1 || 1 == main_#t~nondet37#1;~gate1Failed~0 := (if 0 == main_#t~nondet37#1 % 256 then 0 else 1);havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;assume 0 == main_#t~nondet38#1 || 1 == main_#t~nondet38#1;~gate2Failed~0 := (if 0 == main_#t~nondet38#1 % 256 then 0 else 1);havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;assume 0 == main_#t~nondet39#1 || 1 == main_#t~nondet39#1;~gate3Failed~0 := (if 0 == main_#t~nondet39#1 % 256 then 0 else 1);havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~VALUE1~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~VALUE2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~VALUE3~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;assume 0 == main_#t~nondet43#1 || 1 == main_#t~nondet43#1;~gate1Failed_History_0~0 := (if 0 == main_#t~nondet43#1 % 256 then 0 else 1);havoc main_#t~nondet43#1;havoc main_#t~nondet44#1;assume 0 == main_#t~nondet44#1 || 1 == main_#t~nondet44#1;~gate1Failed_History_1~0 := (if 0 == main_#t~nondet44#1 % 256 then 0 else 1);havoc main_#t~nondet44#1;havoc main_#t~nondet45#1;assume 0 == main_#t~nondet45#1 || 1 == main_#t~nondet45#1;~gate1Failed_History_2~0 := (if 0 == main_#t~nondet45#1 % 256 then 0 else 1);havoc main_#t~nondet45#1;havoc main_#t~nondet46#1;assume 0 == main_#t~nondet46#1 || 1 == main_#t~nondet46#1;~gate2Failed_History_0~0 := (if 0 == main_#t~nondet46#1 % 256 then 0 else 1);havoc main_#t~nondet46#1;havoc main_#t~nondet47#1;assume 0 == main_#t~nondet47#1 || 1 == main_#t~nondet47#1;~gate2Failed_History_1~0 := (if 0 == main_#t~nondet47#1 % 256 then 0 else 1);havoc main_#t~nondet47#1;havoc main_#t~nondet48#1;assume 0 == main_#t~nondet48#1 || 1 == main_#t~nondet48#1;~gate2Failed_History_2~0 := (if 0 == main_#t~nondet48#1 % 256 then 0 else 1);havoc main_#t~nondet48#1;havoc main_#t~nondet49#1;assume 0 == main_#t~nondet49#1 || 1 == main_#t~nondet49#1;~gate3Failed_History_0~0 := (if 0 == main_#t~nondet49#1 % 256 then 0 else 1);havoc main_#t~nondet49#1;havoc main_#t~nondet50#1;assume 0 == main_#t~nondet50#1 || 1 == main_#t~nondet50#1;~gate3Failed_History_1~0 := (if 0 == main_#t~nondet50#1 % 256 then 0 else 1);havoc main_#t~nondet50#1;havoc main_#t~nondet51#1;assume 0 == main_#t~nondet51#1 || 1 == main_#t~nondet51#1;~gate3Failed_History_2~0 := (if 0 == main_#t~nondet51#1 % 256 then 0 else 1);havoc main_#t~nondet51#1;havoc main_#t~nondet52#1;~votedValue_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;havoc main_#t~nondet53#1;~votedValue_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;havoc main_#t~nondet54#1;~votedValue_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_#t~ret9#1, init_#t~ret10#1, init_#t~ret11#1, init_#t~ret12#1, init_~tmp~1#1, init_~tmp___0~1#1, init_~tmp___1~1#1, init_~tmp___2~1#1;havoc init_~tmp~1#1;havoc init_~tmp___0~1#1;havoc init_~tmp___1~1#1;havoc init_~tmp___2~1#1;assume { :begin_inline_add_history_type } true;add_history_type_#in~history_id#1 := 0;havoc add_history_type_#res#1;havoc add_history_type_#t~ret4#1, add_history_type_#t~ret5#1, add_history_type_#t~ret6#1, add_history_type_#t~ret7#1, add_history_type_#t~post8#1, add_history_type_~history_id#1, add_history_type_~ini_bool~0#1, add_history_type_~ini_int~0#1, add_history_type_~var~0#1, add_history_type_~tmp~0#1, add_history_type_~tmp___0~0#1, add_history_type_~tmp___1~0#1, add_history_type_~tmp___2~0#1;add_history_type_~history_id#1 := add_history_type_#in~history_id#1;havoc add_history_type_~ini_bool~0#1;havoc add_history_type_~ini_int~0#1;havoc add_history_type_~var~0#1;havoc add_history_type_~tmp~0#1;havoc add_history_type_~tmp___0~0#1;havoc add_history_type_~tmp___1~0#1;havoc add_history_type_~tmp___2~0#1;add_history_type_~ini_bool~0#1 := 0;add_history_type_~ini_int~0#1 := -2;add_history_type_~var~0#1 := 0; 41#L74-6true [2024-11-10 23:20:18,308 INFO L747 eck$LassoCheckResult]: Loop: 41#L74-6true assume true; 330#L74-7true assume !!(add_history_type_~var~0#1 < 3); 482#L75-3true assume !(0 == add_history_type_~history_id#1); 220#L81-3true assume !(1 == add_history_type_~history_id#1); 167#L87-3true assume !(2 == add_history_type_~history_id#1); 366#L93-3true assume !(3 == add_history_type_~history_id#1); 492#L99-3true add_history_type_#t~post8#1 := add_history_type_~var~0#1;add_history_type_~var~0#1 := 1 + add_history_type_#t~post8#1;havoc add_history_type_#t~post8#1; 41#L74-6true [2024-11-10 23:20:18,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:20:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash 41664, now seen corresponding path program 1 times [2024-11-10 23:20:18,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:20:18,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688719644] [2024-11-10 23:20:18,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:20:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:20:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:20:18,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:20:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:20:18,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:20:18,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:20:18,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1558725947, now seen corresponding path program 1 times [2024-11-10 23:20:18,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:20:18,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124752876] [2024-11-10 23:20:18,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:20:18,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:20:18,608 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1275) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:386) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:84) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:87) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkFeasibilityAndComputeInterpolants(LassoCheck.java:878) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopFeasibility(LassoCheck.java:840) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:760) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-10 23:20:18,614 INFO L158 Benchmark]: Toolchain (without parser) took 2840.14ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 100.8MB in the beginning and 164.6MB in the end (delta: -63.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-10 23:20:18,615 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 96.5MB. Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:20:18,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.34ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 120.2MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 23:20:18,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.41ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 112.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 23:20:18,618 INFO L158 Benchmark]: Boogie Preprocessor took 131.57ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 104.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:20:18,618 INFO L158 Benchmark]: IcfgBuilder took 1583.69ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 60.0MB in the end (delta: 44.2MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-11-10 23:20:18,619 INFO L158 Benchmark]: BuchiAutomizer took 531.66ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 60.0MB in the beginning and 164.6MB in the end (delta: -104.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:20:18,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 96.5MB. Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.34ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 120.2MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.41ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 112.6MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.57ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 104.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 1583.69ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 60.0MB in the end (delta: 44.2MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 531.66ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 60.0MB in the beginning and 164.6MB in the end (delta: -104.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1275) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 23:20:18,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null