./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 01:06:56,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 01:06:56,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 01:06:56,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 01:06:56,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 01:06:56,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 01:06:56,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 01:06:56,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 01:06:56,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 01:06:56,398 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 01:06:56,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 01:06:56,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 01:06:56,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 01:06:56,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 01:06:56,399 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 01:06:56,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 01:06:56,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 01:06:56,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 01:06:56,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 01:06:56,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 01:06:56,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 01:06:56,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 01:06:56,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 01:06:56,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 01:06:56,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 01:06:56,406 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 01:06:56,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 01:06:56,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 01:06:56,407 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 01:06:56,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 01:06:56,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 01:06:56,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 01:06:56,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:06:56,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 01:06:56,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 01:06:56,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 01:06:56,410 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 01:06:56,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 01:06:56,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 01:06:56,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 01:06:56,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 01:06:56,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 01:06:56,411 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f [2024-11-10 01:06:56,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 01:06:56,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 01:06:56,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 01:06:56,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 01:06:56,721 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 01:06:56,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2024-11-10 01:06:58,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 01:06:58,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 01:06:58,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2024-11-10 01:06:58,446 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc2d05ba2/9d621c4b00d54cfeada0bc79d50ced09/FLAGf0637d6c8 [2024-11-10 01:06:58,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc2d05ba2/9d621c4b00d54cfeada0bc79d50ced09 [2024-11-10 01:06:58,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 01:06:58,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 01:06:58,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 01:06:58,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 01:06:58,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 01:06:58,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:06:58" (1/1) ... [2024-11-10 01:06:58,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c079e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:58, skipping insertion in model container [2024-11-10 01:06:58,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:06:58" (1/1) ... [2024-11-10 01:06:58,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 01:06:59,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2024-11-10 01:06:59,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2024-11-10 01:06:59,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:06:59,262 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 01:06:59,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2024-11-10 01:06:59,301 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2024-11-10 01:06:59,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:06:59,388 INFO L204 MainTranslator]: Completed translation [2024-11-10 01:06:59,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59 WrapperNode [2024-11-10 01:06:59,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 01:06:59,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 01:06:59,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 01:06:59,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 01:06:59,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,463 INFO L138 Inliner]: procedures = 79, calls = 97, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1114 [2024-11-10 01:06:59,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 01:06:59,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 01:06:59,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 01:06:59,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 01:06:59,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,517 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 01:06:59,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,541 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 01:06:59,563 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 01:06:59,564 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 01:06:59,564 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 01:06:59,566 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (1/1) ... [2024-11-10 01:06:59,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:06:59,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:06:59,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 01:06:59,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 01:06:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 01:06:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-10 01:06:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-10 01:06:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-10 01:06:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-10 01:06:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-10 01:06:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-10 01:06:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-10 01:06:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-10 01:06:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-11-10 01:06:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-11-10 01:06:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-10 01:06:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-10 01:06:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-10 01:06:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-10 01:06:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-11-10 01:06:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-11-10 01:06:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-10 01:06:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-10 01:06:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-11-10 01:06:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-11-10 01:06:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-10 01:06:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-10 01:06:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 01:06:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-10 01:06:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-10 01:06:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-11-10 01:06:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-11-10 01:06:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 01:06:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 01:06:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-10 01:06:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-10 01:06:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-11-10 01:06:59,671 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-11-10 01:06:59,849 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 01:06:59,853 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 01:07:01,038 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-10 01:07:01,039 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 01:07:01,106 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 01:07:01,106 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 01:07:01,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 01:07:01 BoogieIcfgContainer [2024-11-10 01:07:01,107 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 01:07:01,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 01:07:01,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 01:07:01,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 01:07:01,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:06:58" (1/3) ... [2024-11-10 01:07:01,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9769c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:07:01, skipping insertion in model container [2024-11-10 01:07:01,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:06:59" (2/3) ... [2024-11-10 01:07:01,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9769c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:07:01, skipping insertion in model container [2024-11-10 01:07:01,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 01:07:01" (3/3) ... [2024-11-10 01:07:01,120 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2024-11-10 01:07:01,136 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 01:07:01,136 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 01:07:01,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 01:07:01,225 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d18a7a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 01:07:01,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 01:07:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 608 states, 531 states have (on average 1.5819209039548023) internal successors, (840), 555 states have internal predecessors, (840), 43 states have call successors, (43), 15 states have call predecessors, (43), 15 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 01:07:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 01:07:01,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:07:01,249 INFO L215 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:07:01,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:07:01,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:07:01,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1980133058, now seen corresponding path program 1 times [2024-11-10 01:07:01,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:07:01,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74172270] [2024-11-10 01:07:01,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:07:01,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:07:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:01,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 01:07:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:01,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 01:07:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:01,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 01:07:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:01,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 01:07:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:01,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-10 01:07:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 01:07:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:01,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 01:07:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:01,869 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 01:07:01,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:07:01,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74172270] [2024-11-10 01:07:01,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74172270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:07:01,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:07:01,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 01:07:01,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795953249] [2024-11-10 01:07:01,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:07:01,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 01:07:01,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:07:01,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 01:07:01,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 01:07:01,914 INFO L87 Difference]: Start difference. First operand has 608 states, 531 states have (on average 1.5819209039548023) internal successors, (840), 555 states have internal predecessors, (840), 43 states have call successors, (43), 15 states have call predecessors, (43), 15 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:07:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 01:07:02,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-10 01:07:02,247 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 113 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:07:02,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 209 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 01:07:02,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 01:07:02,249 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction 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.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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 01:07:02,254 INFO L158 Benchmark]: Toolchain (without parser) took 3478.48ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.2MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-11-10 01:07:02,254 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 163.6MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 01:07:02,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.83ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 89.4MB in the beginning and 164.3MB in the end (delta: -74.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-10 01:07:02,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.40ms. Allocated memory is still 205.5MB. Free memory was 164.3MB in the beginning and 159.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 01:07:02,256 INFO L158 Benchmark]: Boogie Preprocessor took 98.91ms. Allocated memory is still 205.5MB. Free memory was 159.0MB in the beginning and 153.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 01:07:02,256 INFO L158 Benchmark]: IcfgBuilder took 1543.38ms. Allocated memory is still 205.5MB. Free memory was 153.8MB in the beginning and 160.8MB in the end (delta: -7.0MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2024-11-10 01:07:02,257 INFO L158 Benchmark]: TraceAbstraction took 1140.52ms. Allocated memory is still 205.5MB. Free memory was 159.7MB in the beginning and 87.4MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-10 01:07:02,259 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 163.6MB. Free memory is still 113.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.83ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 89.4MB in the beginning and 164.3MB in the end (delta: -74.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.40ms. Allocated memory is still 205.5MB. Free memory was 164.3MB in the beginning and 159.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.91ms. Allocated memory is still 205.5MB. Free memory was 159.0MB in the beginning and 153.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1543.38ms. Allocated memory is still 205.5MB. Free memory was 153.8MB in the beginning and 160.8MB in the end (delta: -7.0MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1140.52ms. Allocated memory is still 205.5MB. Free memory was 159.7MB in the beginning and 87.4MB in the end (delta: 72.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 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 01:07:02,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 01:07:04,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 01:07:04,648 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-10 01:07:04,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 01:07:04,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 01:07:04,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 01:07:04,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 01:07:04,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 01:07:04,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 01:07:04,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 01:07:04,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 01:07:04,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 01:07:04,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 01:07:04,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 01:07:04,685 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 01:07:04,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 01:07:04,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 01:07:04,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 01:07:04,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 01:07:04,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 01:07:04,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 01:07:04,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 01:07:04,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 01:07:04,692 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 01:07:04,698 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 01:07:04,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 01:07:04,699 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 01:07:04,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 01:07:04,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 01:07:04,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 01:07:04,700 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 01:07:04,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 01:07:04,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 01:07:04,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 01:07:04,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:07:04,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 01:07:04,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 01:07:04,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 01:07:04,702 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 01:07:04,702 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 01:07:04,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 01:07:04,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 01:07:04,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 01:07:04,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 01:07:04,704 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f [2024-11-10 01:07:05,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 01:07:05,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 01:07:05,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 01:07:05,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 01:07:05,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 01:07:05,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2024-11-10 01:07:06,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 01:07:06,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 01:07:06,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2024-11-10 01:07:06,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05f659e5/e4a7e9b540334e02b97851f8d29d5898/FLAG55424eeb0 [2024-11-10 01:07:07,276 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05f659e5/e4a7e9b540334e02b97851f8d29d5898 [2024-11-10 01:07:07,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 01:07:07,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 01:07:07,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 01:07:07,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 01:07:07,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 01:07:07,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:07,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63da21f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07, skipping insertion in model container [2024-11-10 01:07:07,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:07,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 01:07:07,550 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2024-11-10 01:07:07,628 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2024-11-10 01:07:07,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:07:07,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 01:07:07,795 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2024-11-10 01:07:07,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2024-11-10 01:07:07,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:07:07,924 INFO L204 MainTranslator]: Completed translation [2024-11-10 01:07:07,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07 WrapperNode [2024-11-10 01:07:07,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 01:07:07,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 01:07:07,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 01:07:07,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 01:07:07,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:07,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,012 INFO L138 Inliner]: procedures = 80, calls = 97, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1072 [2024-11-10 01:07:08,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 01:07:08,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 01:07:08,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 01:07:08,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 01:07:08,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,053 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 01:07:08,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 01:07:08,106 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 01:07:08,106 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 01:07:08,106 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 01:07:08,107 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (1/1) ... [2024-11-10 01:07:08,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:07:08,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:07:08,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 01:07:08,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 01:07:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 01:07:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-10 01:07:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-10 01:07:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-10 01:07:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-10 01:07:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-10 01:07:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-10 01:07:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-10 01:07:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-10 01:07:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-11-10 01:07:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-11-10 01:07:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-10 01:07:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-10 01:07:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-10 01:07:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-10 01:07:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-11-10 01:07:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-11-10 01:07:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 01:07:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-10 01:07:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-10 01:07:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-11-10 01:07:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-11-10 01:07:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-10 01:07:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-10 01:07:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-10 01:07:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-10 01:07:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-11-10 01:07:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-11-10 01:07:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 01:07:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 01:07:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-10 01:07:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-10 01:07:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2024-11-10 01:07:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2024-11-10 01:07:08,402 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 01:07:08,404 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 01:07:09,752 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-10 01:07:09,752 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 01:07:09,783 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 01:07:09,783 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 01:07:09,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 01:07:09 BoogieIcfgContainer [2024-11-10 01:07:09,783 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 01:07:09,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 01:07:09,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 01:07:09,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 01:07:09,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:07:07" (1/3) ... [2024-11-10 01:07:09,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a07ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:07:09, skipping insertion in model container [2024-11-10 01:07:09,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:07:07" (2/3) ... [2024-11-10 01:07:09,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a07ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:07:09, skipping insertion in model container [2024-11-10 01:07:09,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 01:07:09" (3/3) ... [2024-11-10 01:07:09,792 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2024-11-10 01:07:09,808 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 01:07:09,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 01:07:09,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 01:07:09,886 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ac65c55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 01:07:09,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 01:07:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 608 states, 531 states have (on average 1.5819209039548023) internal successors, (840), 555 states have internal predecessors, (840), 43 states have call successors, (43), 15 states have call predecessors, (43), 15 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 01:07:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 01:07:09,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:07:09,919 INFO L215 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:07:09,919 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:07:09,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:07:09,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1980133058, now seen corresponding path program 1 times [2024-11-10 01:07:09,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 01:07:09,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176984416] [2024-11-10 01:07:09,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:07:09,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 01:07:09,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 01:07:09,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-10 01:07:09,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-10 01:07:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:07:10,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 01:07:10,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 01:07:10,228 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 01:07:10,228 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 01:07:10,229 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 01:07:10,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176984416] [2024-11-10 01:07:10,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176984416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:07:10,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:07:10,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:07:10,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867869391] [2024-11-10 01:07:10,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:07:10,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:07:10,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 01:07:10,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:07:10,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:07:10,259 INFO L87 Difference]: Start difference. First operand has 608 states, 531 states have (on average 1.5819209039548023) internal successors, (840), 555 states have internal predecessors, (840), 43 states have call successors, (43), 15 states have call predecessors, (43), 15 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:07:10,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:07:10,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:07:10,363 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 44 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 01:07:10,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 222 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 01:07:10,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-10 01:07:10,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-10 01:07:10,566 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction 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.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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 01:07:10,571 INFO L158 Benchmark]: Toolchain (without parser) took 3291.22ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 36.9MB in the beginning and 51.1MB in the end (delta: -14.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-10 01:07:10,572 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 29.2MB in the beginning and 29.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 01:07:10,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.19ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 36.7MB in the beginning and 39.8MB in the end (delta: -3.1MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-10 01:07:10,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.90ms. Allocated memory is still 79.7MB. Free memory was 39.5MB in the beginning and 57.2MB in the end (delta: -17.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-10 01:07:10,573 INFO L158 Benchmark]: Boogie Preprocessor took 91.76ms. Allocated memory is still 79.7MB. Free memory was 57.2MB in the beginning and 52.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 01:07:10,574 INFO L158 Benchmark]: IcfgBuilder took 1677.63ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.1MB in the beginning and 60.1MB in the end (delta: -8.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-11-10 01:07:10,574 INFO L158 Benchmark]: TraceAbstraction took 785.18ms. Allocated memory is still 96.5MB. Free memory was 59.3MB in the beginning and 51.1MB in the end (delta: 8.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-10 01:07:10,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 29.2MB in the beginning and 29.1MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.19ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 36.7MB in the beginning and 39.8MB in the end (delta: -3.1MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.90ms. Allocated memory is still 79.7MB. Free memory was 39.5MB in the beginning and 57.2MB in the end (delta: -17.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.76ms. Allocated memory is still 79.7MB. Free memory was 57.2MB in the beginning and 52.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1677.63ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.1MB in the beginning and 60.1MB in the end (delta: -8.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 785.18ms. Allocated memory is still 96.5MB. Free memory was 59.3MB in the beginning and 51.1MB in the end (delta: 8.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 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 01:07:10,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null