./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/sync01.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/sync01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/sync01.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-07 21:14:58,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-07 21:14:59,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-07 21:14:59,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-07 21:14:59,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-07 21:14:59,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-07 21:14:59,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-07 21:14:59,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-07 21:14:59,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-07 21:14:59,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-07 21:14:59,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-07 21:14:59,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-07 21:14:59,055 INFO L153 SettingsManager]: * Use SBE=true [2024-09-07 21:14:59,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-07 21:14:59,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-07 21:14:59,057 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-07 21:14:59,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-07 21:14:59,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-07 21:14:59,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-07 21:14:59,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-07 21:14:59,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-07 21:14:59,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-07 21:14:59,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-07 21:14:59,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-07 21:14:59,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-07 21:14:59,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-07 21:14:59,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-07 21:14:59,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-07 21:14:59,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-07 21:14:59,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-07 21:14:59,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:14:59,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-07 21:14:59,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-07 21:14:59,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-07 21:14:59,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-07 21:14:59,066 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-07 21:14:59,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-07 21:14:59,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-07 21:14:59,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-07 21:14:59,067 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-07 21:14:59,067 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-07 21:14:59,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-07 21:14:59,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-07 21:14:59,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-07 21:14:59,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-07 21:14:59,370 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-07 21:14:59,371 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-07 21:14:59,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/sync01.yml/witness.yml [2024-09-07 21:14:59,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-07 21:14:59,500 INFO L274 PluginConnector]: CDTParser initialized [2024-09-07 21:14:59,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-09-07 21:15:00,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-07 21:15:01,204 INFO L384 CDTParser]: Found 1 translation units. [2024-09-07 21:15:01,205 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-09-07 21:15:01,234 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f0eb375c6/e14ea2a289ba4cc096a12214339ac583/FLAGfb91c7352 [2024-09-07 21:15:01,522 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f0eb375c6/e14ea2a289ba4cc096a12214339ac583 [2024-09-07 21:15:01,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-07 21:15:01,524 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-07 21:15:01,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-07 21:15:01,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-07 21:15:01,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-07 21:15:01,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:14:59" (1/2) ... [2024-09-07 21:15:01,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9dcb32 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:01, skipping insertion in model container [2024-09-07 21:15:01,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:14:59" (1/2) ... [2024-09-07 21:15:01,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8759ac4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.09 09:15:01, skipping insertion in model container [2024-09-07 21:15:01,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:15:01" (2/2) ... [2024-09-07 21:15:01,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9dcb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:01, skipping insertion in model container [2024-09-07 21:15:01,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 09:15:01" (2/2) ... [2024-09-07 21:15:01,702 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-07 21:15:01,703 INFO L1541 ArrayList]: Location invariant before [L961-L961] (! multithreaded || (num == 0 || num == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1))) [2024-09-07 21:15:01,703 INFO L1541 ArrayList]: Location invariant before [L962-L962] (! multithreaded || (num == 0 || num == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1))) [2024-09-07 21:15:01,704 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-07 21:15:01,704 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-07 21:15:01,704 INFO L1541 ArrayList]: ghost_update [L960-L960] multithreaded = 1; [2024-09-07 21:15:01,704 INFO L1541 ArrayList]: ghost_update [L935-L935] m_locked = 1; [2024-09-07 21:15:01,705 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,705 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,705 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,705 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,705 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,705 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,706 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,706 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,706 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,706 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,706 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,706 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,707 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,707 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,707 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,707 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,707 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,707 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,708 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,708 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,708 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,709 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,709 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,709 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,709 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,709 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,710 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,710 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,710 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,710 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,710 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,710 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,710 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,711 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,712 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,712 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,712 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,712 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,712 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,713 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,713 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,713 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,713 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,713 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,713 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,713 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,714 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,714 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,714 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,714 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,714 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-07 21:15:01,714 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-07 21:15:01,714 INFO L1541 ArrayList]: ghost_update [L945-L945] m_locked = 1; [2024-09-07 21:15:01,714 INFO L1541 ArrayList]: ghost_update [L939-L939] m_locked = 0; [2024-09-07 21:15:01,715 INFO L1541 ArrayList]: ghost_update [L949-L949] m_locked = 0; [2024-09-07 21:15:01,715 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,715 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,715 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,716 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,716 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,716 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,716 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,716 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,716 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,716 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,717 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,718 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,719 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,719 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,719 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,719 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,719 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,719 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,720 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,720 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,720 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,720 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,720 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,720 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,720 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,721 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,721 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,721 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,722 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,722 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,722 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,723 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,723 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,723 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-07 21:15:01,723 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-07 21:15:01,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-07 21:15:02,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:15:02,202 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-07 21:15:02,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-07 21:15:02,368 INFO L204 MainTranslator]: Completed translation [2024-09-07 21:15:02,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02 WrapperNode [2024-09-07 21:15:02,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-07 21:15:02,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-07 21:15:02,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-07 21:15:02,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-07 21:15:02,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,433 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-09-07 21:15:02,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-07 21:15:02,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-07 21:15:02,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-07 21:15:02,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-07 21:15:02,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-07 21:15:02,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-07 21:15:02,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-07 21:15:02,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-07 21:15:02,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (1/1) ... [2024-09-07 21:15:02,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-07 21:15:02,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:15:02,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-07 21:15:02,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-07 21:15:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-07 21:15:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-07 21:15:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-07 21:15:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-07 21:15:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-07 21:15:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-07 21:15:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-07 21:15:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-07 21:15:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-07 21:15:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-07 21:15:02,651 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-07 21:15:02,805 INFO L242 CfgBuilder]: Building ICFG [2024-09-07 21:15:02,807 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-07 21:15:03,126 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-07 21:15:03,126 INFO L291 CfgBuilder]: Performing block encoding [2024-09-07 21:15:03,299 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-07 21:15:03,299 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-07 21:15:03,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:15:03 BoogieIcfgContainer [2024-09-07 21:15:03,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-07 21:15:03,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-07 21:15:03,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-07 21:15:03,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-07 21:15:03,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.09 09:14:59" (1/4) ... [2024-09-07 21:15:03,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644d521e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.09 09:15:03, skipping insertion in model container [2024-09-07 21:15:03,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 09:15:01" (2/4) ... [2024-09-07 21:15:03,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644d521e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:15:03, skipping insertion in model container [2024-09-07 21:15:03,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 09:15:02" (3/4) ... [2024-09-07 21:15:03,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@644d521e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 09:15:03, skipping insertion in model container [2024-09-07 21:15:03,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 09:15:03" (4/4) ... [2024-09-07 21:15:03,315 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-09-07 21:15:03,332 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-07 21:15:03,333 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-07 21:15:03,333 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-07 21:15:03,372 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-07 21:15:03,414 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:15:03,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-07 21:15:03,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-07 21:15:03,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-07 21:15:03,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-07 21:15:03,458 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-07 21:15:03,469 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-07 21:15:03,474 INFO L336 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@3c20a75f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-07 21:15:03,474 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-07 21:15:03,586 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-07 21:15:03,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-07 21:15:03,592 INFO L85 PathProgramCache]: Analyzing trace with hash -211659619, now seen corresponding path program 1 times [2024-09-07 21:15:03,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-07 21:15:03,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478280433] [2024-09-07 21:15:03,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-07 21:15:03,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-07 21:15:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-07 21:15:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-07 21:15:03,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-07 21:15:03,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478280433] [2024-09-07 21:15:03,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478280433] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-07 21:15:03,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-07 21:15:03,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-07 21:15:03,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092337793] [2024-09-07 21:15:03,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-07 21:15:03,886 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-07 21:15:03,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-07 21:15:03,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-07 21:15:03,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-07 21:15:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:03,910 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-07 21:15:03,911 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-09-07 21:15:03,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-07 21:15:04,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-07 21:15:04,268 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-07 21:15:04,269 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-07 21:15:04,269 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-07 21:15:04,269 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-07 21:15:04,269 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-07 21:15:04,277 INFO L408 BasicCegarLoop]: Path program histogram: [1] [2024-09-07 21:15:04,282 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-07 21:15:04,284 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-07 21:15:04,286 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-07 21:15:04,287 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-07 21:15:04,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 09:15:04 BasicIcfg [2024-09-07 21:15:04,288 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-07 21:15:04,288 INFO L158 Benchmark]: Toolchain (without parser) took 2764.92ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 114.5MB in the beginning and 152.3MB in the end (delta: -37.8MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2024-09-07 21:15:04,289 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:15:04,289 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 100.7MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-07 21:15:04,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.81ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 53.8MB in the end (delta: 60.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-07 21:15:04,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.39ms. Allocated memory is still 167.8MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-07 21:15:04,290 INFO L158 Benchmark]: Boogie Preprocessor took 74.59ms. Allocated memory is still 167.8MB. Free memory was 51.7MB in the beginning and 135.2MB in the end (delta: -83.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-07 21:15:04,290 INFO L158 Benchmark]: RCFGBuilder took 790.13ms. Allocated memory is still 167.8MB. Free memory was 134.7MB in the beginning and 88.6MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-07 21:15:04,291 INFO L158 Benchmark]: TraceAbstraction took 984.02ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 87.5MB in the beginning and 152.3MB in the end (delta: -64.7MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-09-07 21:15:04,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.55ms. Allocated memory is still 100.7MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.81ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 53.8MB in the end (delta: 60.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.39ms. Allocated memory is still 167.8MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.59ms. Allocated memory is still 167.8MB. Free memory was 51.7MB in the beginning and 135.2MB in the end (delta: -83.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 790.13ms. Allocated memory is still 167.8MB. Free memory was 134.7MB in the beginning and 88.6MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 984.02ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 87.5MB in the beginning and 152.3MB in the end (delta: -64.7MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 718, independent: 655, independent conditional: 277, independent unconditional: 378, dependent: 63, dependent conditional: 43, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, independent: 655, independent conditional: 277, independent unconditional: 378, dependent: 38, dependent conditional: 18, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 693, independent: 655, independent conditional: 277, independent unconditional: 378, dependent: 38, dependent conditional: 18, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 718, independent: 655, independent conditional: 277, independent unconditional: 378, dependent: 63, dependent conditional: 43, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 718, independent: 655, independent conditional: 8, independent unconditional: 647, dependent: 63, dependent conditional: 4, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 718, independent: 655, independent conditional: 8, independent unconditional: 647, dependent: 63, dependent conditional: 4, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 393, independent: 370, independent conditional: 1, independent unconditional: 369, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 393, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 152, independent conditional: 4, independent unconditional: 148, dependent: 82, dependent conditional: 6, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 718, independent: 285, independent conditional: 7, independent unconditional: 278, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 393, unknown conditional: 3, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 393, Positive cache size: 370, Positive conditional cache size: 1, Positive unconditional cache size: 369, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 308, Maximal queried relation: 1, Independence queries for same thread: 25, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 91, Number of trivial persistent sets: 69, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 398, independent: 378, independent conditional: 0, independent unconditional: 378, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 718, independent: 655, independent conditional: 277, independent unconditional: 378, dependent: 63, dependent conditional: 43, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, independent: 655, independent conditional: 277, independent unconditional: 378, dependent: 38, dependent conditional: 18, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 693, independent: 655, independent conditional: 277, independent unconditional: 378, dependent: 38, dependent conditional: 18, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 718, independent: 655, independent conditional: 277, independent unconditional: 378, dependent: 63, dependent conditional: 43, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 718, independent: 655, independent conditional: 8, independent unconditional: 647, dependent: 63, dependent conditional: 4, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 718, independent: 655, independent conditional: 8, independent unconditional: 647, dependent: 63, dependent conditional: 4, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 393, independent: 370, independent conditional: 1, independent unconditional: 369, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 393, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, independent: 152, independent conditional: 4, independent unconditional: 148, dependent: 82, dependent conditional: 6, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 718, independent: 285, independent conditional: 7, independent unconditional: 278, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 393, unknown conditional: 3, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 393, Positive cache size: 370, Positive conditional cache size: 1, Positive unconditional cache size: 369, Negative cache size: 23, Negative conditional cache size: 2, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 308, Maximal queried relation: 1, Independence queries for same thread: 25 - PositiveResult [Line: 961]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 962]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-07 21:15:04,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-07 21:15:04,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE