./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/transmitter.02.cil.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/systemc/transmitter.02.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 2cbfaf31aa56f767af01fea9a12ccb47d60ab19076d72b85e8ca46d6ff778e4c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 23:19:51,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 23:19:51,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 23:19:51,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 23:19:51,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 23:19:51,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 23:19:51,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 23:19:51,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 23:19:51,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 23:19:51,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 23:19:51,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 23:19:51,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 23:19:51,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 23:19:51,848 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 23:19:51,849 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 23:19:51,849 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 23:19:51,849 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 23:19:51,850 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 23:19:51,850 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 23:19:51,863 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 23:19:51,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 23:19:51,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 23:19:51,864 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 23:19:51,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 23:19:51,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 23:19:51,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 23:19:51,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 23:19:51,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 23:19:51,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 23:19:51,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 23:19:51,866 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 23:19:51,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 23:19:51,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 23:19:51,870 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 23:19:51,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 23:19:51,871 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 23:19:51,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 23:19:51,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 23:19:51,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 23:19:51,872 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 23:19:51,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cbfaf31aa56f767af01fea9a12ccb47d60ab19076d72b85e8ca46d6ff778e4c [2024-11-10 23:19:52,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 23:19:52,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 23:19:52,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 23:19:52,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 23:19:52,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 23:19:52,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.02.cil.c [2024-11-10 23:19:53,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 23:19:53,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 23:19:53,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.02.cil.c [2024-11-10 23:19:53,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3562ffae2/9ccba807f6ef44ae89839a6f780a9b13/FLAGeaec4fb5d [2024-11-10 23:19:54,110 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3562ffae2/9ccba807f6ef44ae89839a6f780a9b13 [2024-11-10 23:19:54,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 23:19:54,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 23:19:54,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:54,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 23:19:54,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 23:19:54,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51197a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54, skipping insertion in model container [2024-11-10 23:19:54,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 23:19:54,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:54,358 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 23:19:54,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 23:19:54,406 INFO L204 MainTranslator]: Completed translation [2024-11-10 23:19:54,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54 WrapperNode [2024-11-10 23:19:54,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 23:19:54,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:54,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 23:19:54,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 23:19:54,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,455 INFO L138 Inliner]: procedures = 32, calls = 37, calls flagged for inlining = 32, calls inlined = 45, statements flattened = 530 [2024-11-10 23:19:54,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 23:19:54,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 23:19:54,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 23:19:54,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 23:19:54,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,469 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,484 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 23:19:54,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,492 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 23:19:54,505 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 23:19:54,505 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 23:19:54,505 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 23:19:54,506 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (1/1) ... [2024-11-10 23:19:54,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 23:19:54,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 23:19:54,552 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 23:19:54,555 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 23:19:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 23:19:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 23:19:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 23:19:54,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 23:19:54,679 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 23:19:54,682 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 23:19:55,243 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-10 23:19:55,244 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 23:19:55,271 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 23:19:55,271 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 23:19:55,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:55 BoogieIcfgContainer [2024-11-10 23:19:55,272 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 23:19:55,272 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 23:19:55,273 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 23:19:55,277 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 23:19:55,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:55,279 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:19:54" (1/3) ... [2024-11-10 23:19:55,280 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@317285f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:55, skipping insertion in model container [2024-11-10 23:19:55,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:55,280 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:19:54" (2/3) ... [2024-11-10 23:19:55,281 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@317285f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:19:55, skipping insertion in model container [2024-11-10 23:19:55,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 23:19:55,281 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:19:55" (3/3) ... [2024-11-10 23:19:55,282 INFO L332 chiAutomizerObserver]: Analyzing ICFG transmitter.02.cil.c [2024-11-10 23:19:55,342 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 23:19:55,342 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 23:19:55,342 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 23:19:55,342 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 23:19:55,342 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 23:19:55,343 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 23:19:55,343 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 23:19:55,343 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 23:19:55,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 237 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 236 states have internal predecessors, (337), 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 23:19:55,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2024-11-10 23:19:55,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:55,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:55,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:55,391 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:55,392 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 23:19:55,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 237 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 236 states have internal predecessors, (337), 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 23:19:55,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2024-11-10 23:19:55,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 23:19:55,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 23:19:55,412 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:55,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 23:19:55,422 INFO L745 eck$LassoCheckResult]: Stem: 224#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(21, 2);call #Ultimate.allocInit(12, 3);~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_1~0 := 2;~E_2~0 := 2; 30#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~4#1;havoc main_~__retres1~4#1;assume { :begin_inline_init_model } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; 3#L491true assume true;assume { :end_inline_init_model } true;assume { :begin_inline_start_simulation } true;havoc start_simulation_#t~ret12#1, start_simulation_#t~ret13#1, start_simulation_~kernel_st~0#1, start_simulation_~tmp~3#1, start_simulation_~tmp___0~1#1;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~tmp~3#1;havoc start_simulation_~tmp___0~1#1;start_simulation_~kernel_st~0#1 := 0;assume { :begin_inline_update_channels } true; 75#L214-1true assume true;assume { :end_inline_update_channels } true;assume { :begin_inline_init_threads } true; 196#L221true assume !(1 == ~m_i~0);~m_st~0 := 2; 13#L226true assume !(1 == ~t1_i~0);~t1_st~0 := 2; 74#L231true assume !(1 == ~t2_i~0);~t2_st~0 := 2; 212#L237true assume true;assume { :end_inline_init_threads } true;assume { :begin_inline_fire_delta_events } true; 158#L334-1true assume !(0 == ~M_E~0); 106#L339-1true assume !(0 == ~T1_E~0); 102#L344-1true assume !(0 == ~T2_E~0); 142#L349-1true assume !(0 == ~E_1~0); 44#L354-1true assume !(0 == ~E_2~0); 206#L360-1true assume true;assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1; 200#L156-4true assume 1 == ~m_pc~0; 220#L157-4true assume !(1 == ~M_E~0);is_master_triggered_~__retres1~0#1 := 0; 174#L159-4true assume true;is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1; 191#L168-4true assume true;activate_threads_#t~ret8#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1; 132#L405-4true assume !(0 != activate_threads_~tmp~1#1); 23#L411-4true assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1; 237#L175-4true assume 1 == ~t1_pc~0; 222#L176-4true assume !(1 == ~E_1~0);is_transmit1_triggered_~__retres1~1#1 := 0; 78#L178-4true assume true;is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1; 215#L187-4true assume true;activate_threads_#t~ret9#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret9#1;havoc activate_threads_#t~ret9#1; 127#L413-4true assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0; 91#L419-4true assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1; 137#L194-4true assume 1 == ~t2_pc~0; 236#L195-4true assume !(1 == ~E_2~0);is_transmit2_triggered_~__retres1~2#1 := 0; 208#L197-4true assume true;is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1; 85#L206-4true assume true;activate_threads_#t~ret10#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret10#1;havoc activate_threads_#t~ret10#1; 198#L421-4true assume !(0 != activate_threads_~tmp___1~0#1); 28#L427-4true assume true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true; 211#L367-1true assume !(1 == ~M_E~0); 130#L372-1true assume !(1 == ~T1_E~0); 134#L377-1true assume !(1 == ~T2_E~0); 27#L382-1true assume !(1 == ~E_1~0); 79#L387-1true assume !(1 == ~E_2~0); 115#L393-1true assume true;assume { :end_inline_reset_delta_events } true; 162#L528true [2024-11-10 23:19:55,423 INFO L747 eck$LassoCheckResult]: Loop: 162#L528true assume true; 53#L528-1true assume !false;assume true;start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#1, eval_~tmp~0#1;havoc eval_~tmp~0#1; 150#L271true assume !true; 58#L279true assume true; 136#L327true assume true;havoc eval_#t~ret4#1, eval_#t~nondet5#1, eval_~tmp_ndt_1~0#1, eval_#t~nondet6#1, eval_~tmp_ndt_2~0#1, eval_#t~nondet7#1, eval_~tmp_ndt_3~0#1, eval_~tmp~0#1;assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2;assume { :begin_inline_update_channels } true; 231#L214true assume true;assume { :end_inline_update_channels } true;start_simulation_~kernel_st~0#1 := 3;assume { :begin_inline_fire_delta_events } true; 37#L334true assume 0 == ~M_E~0;~M_E~0 := 1; 116#L339true assume 0 == ~T1_E~0;~T1_E~0 := 1; 35#L344true assume 0 == ~T2_E~0;~T2_E~0 := 1; 81#L349true assume 0 == ~E_1~0;~E_1~0 := 1; 169#L354true assume !(0 == ~E_2~0); 20#L360true assume true;assume { :end_inline_fire_delta_events } true;assume { :begin_inline_activate_threads } true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;havoc activate_threads_~tmp~1#1;havoc activate_threads_~tmp___0~0#1;havoc activate_threads_~tmp___1~0#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;havoc is_master_triggered_~__retres1~0#1; 95#L156-1true assume 1 == ~m_pc~0; 18#L157-1true assume 1 == ~M_E~0;is_master_triggered_~__retres1~0#1 := 1; 216#L159-1true assume true;is_master_triggered_#res#1 := is_master_triggered_~__retres1~0#1; 111#L168-1true assume true;activate_threads_#t~ret8#1 := is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~0#1;assume { :end_inline_is_master_triggered } true;activate_threads_~tmp~1#1 := activate_threads_#t~ret8#1;havoc activate_threads_#t~ret8#1; 76#L405-1true assume 0 != activate_threads_~tmp~1#1;~m_st~0 := 0; 153#L411-1true assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;havoc is_transmit1_triggered_~__retres1~1#1; 228#L175-1true assume 1 == ~t1_pc~0; 26#L176-1true assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~1#1 := 1; 218#L178-1true assume true;is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~1#1; 210#L187-1true assume true;activate_threads_#t~ret9#1 := is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~1#1;assume { :end_inline_is_transmit1_triggered } true;activate_threads_~tmp___0~0#1 := activate_threads_#t~ret9#1;havoc activate_threads_#t~ret9#1; 140#L413-1true assume 0 != activate_threads_~tmp___0~0#1;~t1_st~0 := 0; 112#L419-1true assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;havoc is_transmit2_triggered_~__retres1~2#1; 7#L194-1true assume 1 == ~t2_pc~0; 54#L195-1true assume !(1 == ~E_2~0);is_transmit2_triggered_~__retres1~2#1 := 0; 15#L197-1true assume true;is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~2#1; 192#L206-1true assume true;activate_threads_#t~ret10#1 := is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~2#1;assume { :end_inline_is_transmit2_triggered } true;activate_threads_~tmp___1~0#1 := activate_threads_#t~ret10#1;havoc activate_threads_#t~ret10#1; 203#L421-1true assume 0 != activate_threads_~tmp___1~0#1;~t2_st~0 := 0; 66#L427-1true assume true;havoc activate_threads_#t~ret8#1, activate_threads_#t~ret9#1, activate_threads_#t~ret10#1, activate_threads_~tmp~1#1, activate_threads_~tmp___0~0#1, activate_threads_~tmp___1~0#1;assume { :end_inline_activate_threads } true;assume { :begin_inline_reset_delta_events } true; 17#L367true assume 1 == ~M_E~0;~M_E~0 := 2; 152#L372true assume 1 == ~T1_E~0;~T1_E~0 := 2; 120#L377true assume !(1 == ~T2_E~0); 107#L382true assume 1 == ~E_1~0;~E_1~0 := 2; 166#L387true assume 1 == ~E_2~0;~E_2~0 := 2; 135#L393true assume true;assume { :end_inline_reset_delta_events } true;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1; 144#L244-1true assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1; 10#L254-1true assume true;exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1; 29#L262-1true assume true;start_simulation_#t~ret12#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;start_simulation_~tmp~3#1 := start_simulation_#t~ret12#1;havoc start_simulation_#t~ret12#1; 157#L547true assume !(0 == start_simulation_~tmp~3#1); 119#L558true assume { :begin_inline_stop_simulation } true;havoc stop_simulation_#res#1;havoc stop_simulation_#t~ret11#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;havoc stop_simulation_~tmp~2#1;havoc stop_simulation_~__retres2~0#1;assume { :begin_inline_exists_runnable_thread } true;havoc exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;havoc exists_runnable_thread_~__retres1~3#1; 9#L244true assume 0 == ~m_st~0;exists_runnable_thread_~__retres1~3#1 := 1; 57#L254true assume true;exists_runnable_thread_#res#1 := exists_runnable_thread_~__retres1~3#1; 171#L262true assume true;stop_simulation_#t~ret11#1 := exists_runnable_thread_#res#1;havoc exists_runnable_thread_~__retres1~3#1;assume { :end_inline_exists_runnable_thread } true;stop_simulation_~tmp~2#1 := stop_simulation_#t~ret11#1;havoc stop_simulation_#t~ret11#1; 43#L502true assume 0 != stop_simulation_~tmp~2#1;stop_simulation_~__retres2~0#1 := 0; 185#L504true assume true;stop_simulation_#res#1 := stop_simulation_~__retres2~0#1; 193#L510true assume true;start_simulation_#t~ret13#1 := stop_simulation_#res#1;havoc stop_simulation_#t~ret11#1, stop_simulation_~tmp~2#1, stop_simulation_~__retres2~0#1;assume { :end_inline_stop_simulation } true;start_simulation_~tmp___0~1#1 := start_simulation_#t~ret13#1;havoc start_simulation_#t~ret13#1; 24#L560true assume !(0 != start_simulation_~tmp___0~1#1); 162#L528true [2024-11-10 23:19:55,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:55,430 INFO L85 PathProgramCache]: Analyzing trace with hash 577891420, now seen corresponding path program 1 times [2024-11-10 23:19:55,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:55,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289217646] [2024-11-10 23:19:55,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:55,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:19:55,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:55,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289217646] [2024-11-10 23:19:55,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289217646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:55,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:55,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 23:19:55,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511849894] [2024-11-10 23:19:55,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:55,675 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-10 23:19:55,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 23:19:55,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1697122358, now seen corresponding path program 1 times [2024-11-10 23:19:55,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 23:19:55,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311200477] [2024-11-10 23:19:55,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 23:19:55,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 23:19:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 23:19:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 23:19:55,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 23:19:55,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311200477] [2024-11-10 23:19:55,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311200477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 23:19:55,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 23:19:55,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 23:19:55,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036370312] [2024-11-10 23:19:55,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 23:19:55,739 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-10 23:19:55,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 23:19:55,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 23:19:55,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 23:19:55,771 INFO L87 Difference]: Start difference. First operand has 237 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 236 states have internal predecessors, (337), 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 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 23:19:55,782 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.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineFinite(BuchiAutomatonCegarLoop.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineFinite(BuchiAutomatonCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineFiniteInternal(AbstractBuchiCegarLoop.java:469) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:398) 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 23:19:55,786 INFO L158 Benchmark]: Toolchain (without parser) took 1664.28ms. Allocated memory is still 167.8MB. Free memory was 139.7MB in the beginning and 84.0MB in the end (delta: 55.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-11-10 23:19:55,787 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 23:19:55,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.85ms. Allocated memory is still 167.8MB. Free memory was 139.7MB in the beginning and 124.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 23:19:55,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.67ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 121.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 23:19:55,788 INFO L158 Benchmark]: Boogie Preprocessor took 43.36ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 118.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 23:19:55,789 INFO L158 Benchmark]: IcfgBuilder took 766.52ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 110.7MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 23:19:55,789 INFO L158 Benchmark]: BuchiAutomizer took 511.82ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 84.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 23:19:55,792 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 167.8MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.85ms. Allocated memory is still 167.8MB. Free memory was 139.7MB in the beginning and 124.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.67ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 121.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.36ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 118.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 766.52ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 110.7MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 511.82ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 84.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. 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.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-10 23:19:55,820 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 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