./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.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.1.ufo.BOUNDED-10.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 d6dd7af8c681da9a32811252853803422c95f4df19741eb4bc23f2d0511fe647 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:20:09,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:20:09,934 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:20:09,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:20:09,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:20:09,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:20:09,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:20:09,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:20:09,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:20:09,987 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:20:09,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:20:09,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:20:09,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:20:09,992 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:20:09,992 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:20:09,992 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:20:09,993 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:20:09,993 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:20:09,993 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:20:09,993 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:20:09,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:20:09,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:20:09,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:20:09,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:20:09,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:20:09,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:20:09,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:20:09,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:20:09,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:20:09,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:20:09,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:20:09,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:20:09,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:20:09,997 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:20:09,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:20:09,997 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:20:09,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:20:09,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:20:09,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:20:09,998 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:20:09,999 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6dd7af8c681da9a32811252853803422c95f4df19741eb4bc23f2d0511fe647 [2024-11-10 23:20:10,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:20:10,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:20:10,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:20:10,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:20:10,249 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:20:10,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2024-11-10 23:20:11,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:20:11,836 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:20:11,836 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2024-11-10 23:20:11,851 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203ea427c/414aa72ec3ad479e8ea6bcb1b93a54a7/FLAG965e8a8d7 [2024-11-10 23:20:11,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203ea427c/414aa72ec3ad479e8ea6bcb1b93a54a7 [2024-11-10 23:20:11,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:20:11,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:20:11,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:20:11,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:20:11,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:20:11,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:20:11" (1/1) ... [2024-11-10 23:20:11,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f49b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:11, skipping insertion in model container [2024-11-10 23:20:11,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:20:11" (1/1) ... [2024-11-10 23:20:11,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:20:12,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:20:12,149 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:20:12,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:20:12,206 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:20:12,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12 WrapperNode [2024-11-10 23:20:12,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:20:12,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:20:12,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:20:12,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:20:12,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,337 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 42, calls inlined = 121, statements flattened = 1618 [2024-11-10 23:20:12,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:20:12,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:20:12,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:20:12,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:20:12,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,374 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,413 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 23:20:12,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,446 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:20:12,507 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:20:12,508 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:20:12,508 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:20:12,508 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (1/1) ... [2024-11-10 23:20:12,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:20:12,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:20:12,595 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 23:20:12,606 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 23:20:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:20:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:20:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:20:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:20:12,738 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:20:12,740 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:20:13,842 INFO L? ?]: Removed 660 outVars from TransFormulas that were not future-live. [2024-11-10 23:20:13,843 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:20:13,876 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:20:13,878 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:20:13,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:20:13 BoogieIcfgContainer [2024-11-10 23:20:13,878 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:20:13,879 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:20:13,880 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:20:13,884 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:20:13,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:20:13,886 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:20:11" (1/3) ... [2024-11-10 23:20:13,887 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ba800de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:20:13, skipping insertion in model container [2024-11-10 23:20:13,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:20:13,887 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:20:12" (2/3) ... [2024-11-10 23:20:13,887 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ba800de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:20:13, skipping insertion in model container [2024-11-10 23:20:13,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:20:13,888 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:20:13" (3/3) ... [2024-11-10 23:20:13,889 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2024-11-10 23:20:13,947 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:20:13,948 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:20:13,948 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:20:13,948 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:20:13,948 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:20:13,949 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:20:13,949 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:20:13,949 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:20:13,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 525 states, 523 states have (on average 1.7304015296367112) internal successors, (905), 524 states have internal predecessors, (905), 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 23:20:14,002 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 502 [2024-11-10 23:20:14,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:20:14,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:20:14,008 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:20:14,008 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:20:14,008 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:20:14,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 525 states, 523 states have (on average 1.7304015296367112) internal successors, (905), 524 states have internal predecessors, (905), 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 23:20:14,021 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 502 [2024-11-10 23:20:14,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:20:14,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:20:14,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-10 23:20:14,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:20:14,030 INFO L745 eck$LassoCheckResult]: Stem: 517#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(51, 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_#t~post57#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; 283#L71-6true [2024-11-10 23:20:14,033 INFO L747 eck$LassoCheckResult]: Loop: 283#L71-6true assume true; 10#L71-7true assume !!(add_history_type_~var~0#1 < 3); 456#L72-3true assume !(0 == add_history_type_~history_id#1); 150#L78-3true assume !(1 == add_history_type_~history_id#1); 76#L84-3true assume !(2 == add_history_type_~history_id#1); 446#L90-3true assume !(3 == add_history_type_~history_id#1); 49#L96-3true 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; 283#L71-6true [2024-11-10 23:20:14,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:20:14,038 INFO L85 PathProgramCache]: Analyzing trace with hash 41472, now seen corresponding path program 1 times [2024-11-10 23:20:14,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:20:14,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744914092] [2024-11-10 23:20:14,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:20:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:20:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:20:14,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 23:20:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 23:20:14,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 23:20:14,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:20:14,266 INFO L85 PathProgramCache]: Analyzing trace with hash 351170421, now seen corresponding path program 1 times [2024-11-10 23:20:14,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:20:14,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063830358] [2024-11-10 23:20:14,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:20:14,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:20:14,269 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 23:20:14,276 INFO L158 Benchmark]: Toolchain (without parser) took 2401.55ms. Allocated memory is still 260.0MB. Free memory was 189.2MB in the beginning and 190.8MB in the end (delta: -1.6MB). Peak memory consumption was 630.1kB. Max. memory is 16.1GB. [2024-11-10 23:20:14,276 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:20:14,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.77ms. Allocated memory is still 260.0MB. Free memory was 189.0MB in the beginning and 170.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 23:20:14,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.32ms. Allocated memory is still 260.0MB. Free memory was 170.4MB in the beginning and 162.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:20:14,278 INFO L158 Benchmark]: Boogie Preprocessor took 163.54ms. Allocated memory is still 260.0MB. Free memory was 162.6MB in the beginning and 225.1MB in the end (delta: -62.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-10 23:20:14,278 INFO L158 Benchmark]: IcfgBuilder took 1370.72ms. Allocated memory is still 260.0MB. Free memory was 225.1MB in the beginning and 216.5MB in the end (delta: 8.6MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. [2024-11-10 23:20:14,279 INFO L158 Benchmark]: BuchiAutomizer took 395.32ms. Allocated memory is still 260.0MB. Free memory was 216.5MB in the beginning and 190.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-10 23:20:14,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.77ms. Allocated memory is still 260.0MB. Free memory was 189.0MB in the beginning and 170.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.32ms. Allocated memory is still 260.0MB. Free memory was 170.4MB in the beginning and 162.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 163.54ms. Allocated memory is still 260.0MB. Free memory was 162.6MB in the beginning and 225.1MB in the end (delta: -62.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * IcfgBuilder took 1370.72ms. Allocated memory is still 260.0MB. Free memory was 225.1MB in the beginning and 216.5MB in the end (delta: 8.6MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 395.32ms. Allocated memory is still 260.0MB. Free memory was 216.5MB in the beginning and 190.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. 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 23:20:14,327 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