./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 e94c40da 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-dev-e94c40d-m [2024-09-23 00:13:00,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 00:13:00,543 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 00:13:00,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 00:13:00,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 00:13:00,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 00:13:00,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 00:13:00,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 00:13:00,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 00:13:00,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 00:13:00,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 00:13:00,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 00:13:00,609 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 00:13:00,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 00:13:00,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 00:13:00,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 00:13:00,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 00:13:00,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 00:13:00,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 00:13:00,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 00:13:00,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 00:13:00,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 00:13:00,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 00:13:00,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 00:13:00,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 00:13:00,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 00:13:00,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 00:13:00,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 00:13:00,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 00:13:00,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 00:13:00,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:13:00,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 00:13:00,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 00:13:00,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 00:13:00,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 00:13:00,623 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 00:13:00,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 00:13:00,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 00:13:00,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 00:13:00,624 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 00:13:00,624 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 00:13:00,624 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 00:13:00,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 00:13:00,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 00:13:00,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 00:13:00,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 00:13:00,891 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 00:13:00,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-09-23 00:13:02,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 00:13:02,604 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 00:13:02,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-09-23 00:13:02,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dd383e8ca/b6388285ab0743d39f41fe247907a903/FLAG7516e2707 [2024-09-23 00:13:02,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dd383e8ca/b6388285ab0743d39f41fe247907a903 [2024-09-23 00:13:02,910 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 00:13:02,910 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 00:13:02,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/sync01.yml/witness.yml [2024-09-23 00:13:03,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 00:13:03,051 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 00:13:03,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 00:13:03,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 00:13:03,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 00:13:03,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:13:02" (1/2) ... [2024-09-23 00:13:03,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c43db6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:13:03, skipping insertion in model container [2024-09-23 00:13:03,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:13:02" (1/2) ... [2024-09-23 00:13:03,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b33718f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:13:03, skipping insertion in model container [2024-09-23 00:13:03,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:13:03" (2/2) ... [2024-09-23 00:13:03,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c43db6b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03, skipping insertion in model container [2024-09-23 00:13:03,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:13:03" (2/2) ... [2024-09-23 00:13:03,227 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 00:13:03,229 INFO L1541 ArrayList]: Location invariant before [L961-L961] (! multithreaded || (num == 0 || num == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1))) [2024-09-23 00:13:03,229 INFO L1541 ArrayList]: Location invariant before [L962-L962] (! multithreaded || (num == 0 || num == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1))) [2024-09-23 00:13:03,229 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 00:13:03,229 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 00:13:03,229 INFO L1541 ArrayList]: ghost_update [L945-L945] m_locked = 1; [2024-09-23 00:13:03,229 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,229 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,230 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,230 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,230 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,230 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,230 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,230 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,230 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,230 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,231 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,231 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,231 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,231 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,231 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,231 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,231 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,232 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,232 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,232 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,232 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,233 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,233 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,233 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,233 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,234 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,234 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,234 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,234 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,234 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,234 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,234 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,235 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,235 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,235 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,236 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,236 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,237 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,237 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,237 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,237 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,237 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,237 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,238 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,238 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,238 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,238 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,238 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,238 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,238 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,238 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L960-L960] multithreaded = 1; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L949-L949] m_locked = 0; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L935-L935] m_locked = 1; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,239 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,240 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,240 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,240 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,240 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,240 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,240 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,240 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,241 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,241 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,241 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,241 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,241 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,241 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,241 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,242 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,242 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,242 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,242 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,242 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,242 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,242 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,242 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,243 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,243 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,243 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,243 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,243 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,244 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,244 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,244 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,244 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,244 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,244 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,245 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,245 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,245 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,245 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,246 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,246 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,246 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,246 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,247 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,247 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,247 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 00:13:03,247 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 00:13:03,248 INFO L1541 ArrayList]: ghost_update [L939-L939] m_locked = 0; [2024-09-23 00:13:03,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 00:13:03,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:13:03,709 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 [2024-09-23 00:13:03,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:13:03,909 INFO L204 MainTranslator]: Completed translation [2024-09-23 00:13:03,910 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03 WrapperNode [2024-09-23 00:13:03,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 00:13:03,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 00:13:03,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 00:13:03,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 00:13:03,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:03,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:03,976 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-09-23 00:13:03,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 00:13:03,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 00:13:03,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 00:13:03,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 00:13:03,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:03,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:03,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:03,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:04,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:04,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:04,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:04,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:04,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 00:13:04,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 00:13:04,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 00:13:04,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 00:13:04,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (1/1) ... [2024-09-23 00:13:04,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:13:04,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:13:04,076 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) [2024-09-23 00:13:04,080 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 [2024-09-23 00:13:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 00:13:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 00:13:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 00:13:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 00:13:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 00:13:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 00:13:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 00:13:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 00:13:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 00:13:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 00:13:04,123 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 00:13:04,255 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 00:13:04,257 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 00:13:04,554 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 00:13:04,555 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 00:13:04,781 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 00:13:04,781 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-23 00:13:04,783 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:13:04 BoogieIcfgContainer [2024-09-23 00:13:04,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 00:13:04,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 00:13:04,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 00:13:04,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 00:13:04,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 12:13:02" (1/4) ... [2024-09-23 00:13:04,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115f3b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 12:13:04, skipping insertion in model container [2024-09-23 00:13:04,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:13:03" (2/4) ... [2024-09-23 00:13:04,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115f3b58 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:13:04, skipping insertion in model container [2024-09-23 00:13:04,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:13:03" (3/4) ... [2024-09-23 00:13:04,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115f3b58 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:13:04, skipping insertion in model container [2024-09-23 00:13:04,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:13:04" (4/4) ... [2024-09-23 00:13:04,794 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-09-23 00:13:04,812 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 00:13:04,813 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-23 00:13:04,813 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 00:13:04,954 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-23 00:13:05,009 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:13:05,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 00:13:05,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:13:05,015 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) [2024-09-23 00:13:05,017 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 [2024-09-23 00:13:05,054 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 00:13:05,067 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 00:13:05,075 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;@51f2e07f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:13:05,076 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-23 00:13:05,190 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)] === [2024-09-23 00:13:05,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:13:05,197 INFO L85 PathProgramCache]: Analyzing trace with hash -211659619, now seen corresponding path program 1 times [2024-09-23 00:13:05,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:13:05,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833924434] [2024-09-23 00:13:05,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:13:05,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:13:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:13:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:13:05,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:13:05,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833924434] [2024-09-23 00:13:05,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833924434] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:13:05,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:13:05,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 00:13:05,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235205742] [2024-09-23 00:13:05,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:13:05,526 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 00:13:05,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:13:05,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 00:13:05,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 00:13:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:13:05,553 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:13:05,554 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) [2024-09-23 00:13:05,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:13:05,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 00:13:05,807 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-23 00:13:05,808 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-23 00:13:05,810 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-23 00:13:05,811 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-23 00:13:05,811 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 00:13:05,816 INFO L408 BasicCegarLoop]: Path program histogram: [1] [2024-09-23 00:13:05,819 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 00:13:05,823 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 00:13:05,825 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-23 00:13:05,825 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-23 00:13:05,826 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 12:13:05 BasicIcfg [2024-09-23 00:13:05,826 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 00:13:05,827 INFO L158 Benchmark]: Toolchain (without parser) took 2775.99ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 82.3MB in the end (delta: 31.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-09-23 00:13:05,827 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:13:05,827 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 176.2MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:13:05,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.99ms. Allocated memory is still 176.2MB. Free memory was 113.6MB in the beginning and 120.6MB in the end (delta: -7.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-09-23 00:13:05,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.09ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 118.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:13:05,828 INFO L158 Benchmark]: Boogie Preprocessor took 62.49ms. Allocated memory is still 176.2MB. Free memory was 118.3MB in the beginning and 116.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:13:05,829 INFO L158 Benchmark]: RCFGBuilder took 742.43ms. Allocated memory is still 176.2MB. Free memory was 116.4MB in the beginning and 70.3MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-23 00:13:05,830 INFO L158 Benchmark]: TraceAbstraction took 1039.77ms. Allocated memory is still 176.2MB. Free memory was 69.9MB in the beginning and 82.3MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:13:05,831 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 96.5MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.29ms. Allocated memory is still 176.2MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.99ms. Allocated memory is still 176.2MB. Free memory was 113.6MB in the beginning and 120.6MB in the end (delta: -7.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.09ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 118.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.49ms. Allocated memory is still 176.2MB. Free memory was 118.3MB in the beginning and 116.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 742.43ms. Allocated memory is still 176.2MB. Free memory was 116.4MB in the beginning and 70.3MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1039.77ms. Allocated memory is still 176.2MB. Free memory was 69.9MB in the beginning and 82.3MB in the end (delta: -12.4MB). There was no memory consumed. 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: 192, independent: 127, independent conditional: 3, independent unconditional: 124, dependent: 65, dependent conditional: 6, dependent unconditional: 58, 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: 0.2s, 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: 192, independent: 127, independent conditional: 3, independent unconditional: 124, dependent: 65, dependent conditional: 6, dependent unconditional: 58, 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: 0.4s, 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, 0.2s 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! [2024-09-23 00:13:05,865 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 [2024-09-23 00:13:06,060 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