./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 --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 --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 08:29:58,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 08:29:58,105 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 08:29:58,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 08:29:58,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 08:29:58,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 08:29:58,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 08:29:58,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 08:29:58,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 08:29:58,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 08:29:58,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 08:29:58,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 08:29:58,159 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 08:29:58,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 08:29:58,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 08:29:58,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 08:29:58,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 08:29:58,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 08:29:58,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 08:29:58,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 08:29:58,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 08:29:58,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 08:29:58,164 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 08:29:58,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 08:29:58,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 08:29:58,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 08:29:58,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 08:29:58,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 08:29:58,166 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 08:29:58,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 08:29:58,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:29:58,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 08:29:58,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 08:29:58,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 08:29:58,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 08:29:58,168 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 08:29:58,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 08:29:58,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 08:29:58,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 08:29:58,169 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 08:29:58,169 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 08:29:58,173 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 08:29:58,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 08:29:58,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 08:29:58,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 08:29:58,425 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 08:29:58,425 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 08:29:58,426 INFO L431 ainManager$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 [2024-09-08 08:29:58,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 08:29:58,559 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 08:29:58,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-09-08 08:29:59,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 08:30:00,181 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 08:30:00,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-09-08 08:30:00,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9e8630c2f/3d0033019a0c446abadaf357c04463d8/FLAG7c63d1a28 [2024-09-08 08:30:00,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9e8630c2f/3d0033019a0c446abadaf357c04463d8 [2024-09-08 08:30:00,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 08:30:00,222 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 08:30:00,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 08:30:00,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 08:30:00,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 08:30:00,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:29:58" (1/2) ... [2024-09-08 08:30:00,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236ac9ce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:30:00, skipping insertion in model container [2024-09-08 08:30:00,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:29:58" (1/2) ... [2024-09-08 08:30:00,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59d764eb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:30:00, skipping insertion in model container [2024-09-08 08:30:00,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:30:00" (2/2) ... [2024-09-08 08:30:00,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236ac9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:00, skipping insertion in model container [2024-09-08 08:30:00,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:30:00" (2/2) ... [2024-09-08 08:30:00,400 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 08:30:00,401 INFO L1541 ArrayList]: Location invariant before [L962-L962] (! multithreaded || (num == 0 || num == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1))) [2024-09-08 08:30:00,401 INFO L1541 ArrayList]: Location invariant before [L961-L961] (! multithreaded || (num == 0 || num == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1))) [2024-09-08 08:30:00,402 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-08 08:30:00,402 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 08:30:00,402 INFO L1541 ArrayList]: ghost_update [L949-L949] m_locked = 0; [2024-09-08 08:30:00,402 INFO L1541 ArrayList]: ghost_update [L935-L935] m_locked = 1; [2024-09-08 08:30:00,403 INFO L1541 ArrayList]: ghost_update [L945-L945] m_locked = 1; [2024-09-08 08:30:00,403 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,403 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,404 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,404 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,404 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,404 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,404 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,405 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,406 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,406 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,406 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,406 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,406 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,406 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,406 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,406 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,407 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,407 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,408 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,408 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,408 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,408 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,409 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,409 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,409 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,410 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,410 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,411 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,411 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,411 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,411 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,411 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,412 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,412 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,412 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,412 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,413 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,413 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,413 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,413 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,414 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,414 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,414 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-08 08:30:00,414 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-08 08:30:00,414 INFO L1541 ArrayList]: ghost_update [L960-L960] multithreaded = 1; [2024-09-08 08:30:00,414 INFO L1541 ArrayList]: ghost_update [L939-L939] m_locked = 0; [2024-09-08 08:30:00,415 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,415 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,415 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,415 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,415 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,415 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,416 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,416 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,416 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,416 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,416 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,416 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,416 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,417 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,417 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,417 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,417 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,417 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,417 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,417 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,418 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,419 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,420 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,421 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,421 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,421 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,421 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,421 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,421 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,421 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,422 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,422 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,423 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,423 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-08 08:30:00,423 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-08 08:30:00,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 08:30:00,972 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2024-09-08 08:30:00,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:30:00,998 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 [2024-09-08 08:30:01,102 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2024-09-08 08:30:01,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:30:01,191 INFO L204 MainTranslator]: Completed translation [2024-09-08 08:30:01,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01 WrapperNode [2024-09-08 08:30:01,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 08:30:01,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 08:30:01,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 08:30:01,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 08:30:01,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,285 INFO L138 Inliner]: procedures = 268, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2024-09-08 08:30:01,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 08:30:01,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 08:30:01,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 08:30:01,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 08:30:01,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 08:30:01,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 08:30:01,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 08:30:01,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 08:30:01,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (1/1) ... [2024-09-08 08:30:01,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:30:01,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:30:01,377 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) [2024-09-08 08:30:01,384 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 [2024-09-08 08:30:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 08:30:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 08:30:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 08:30:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 08:30:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 08:30:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 08:30:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 08:30:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 08:30:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 08:30:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 08:30:01,428 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 08:30:01,585 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 08:30:01,588 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 08:30:01,882 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 08:30:01,883 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 08:30:02,089 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 08:30:02,089 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-08 08:30:02,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:30:02 BoogieIcfgContainer [2024-09-08 08:30:02,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 08:30:02,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 08:30:02,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 08:30:02,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 08:30:02,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:29:58" (1/4) ... [2024-09-08 08:30:02,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe3560b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:30:02, skipping insertion in model container [2024-09-08 08:30:02,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:30:00" (2/4) ... [2024-09-08 08:30:02,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe3560b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:30:02, skipping insertion in model container [2024-09-08 08:30:02,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:30:01" (3/4) ... [2024-09-08 08:30:02,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe3560b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:30:02, skipping insertion in model container [2024-09-08 08:30:02,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:30:02" (4/4) ... [2024-09-08 08:30:02,102 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-09-08 08:30:02,117 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 08:30:02,118 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-08 08:30:02,118 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 08:30:02,162 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-08 08:30:02,208 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:30:02,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:30:02,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:30:02,212 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) [2024-09-08 08:30:02,213 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 [2024-09-08 08:30:02,249 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:30:02,262 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 08:30:02,267 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;@7ca2f852, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:30:02,268 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 08:30:02,381 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:30:02,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:30:02,387 INFO L85 PathProgramCache]: Analyzing trace with hash 623822685, now seen corresponding path program 1 times [2024-09-08 08:30:02,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:30:02,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876691813] [2024-09-08 08:30:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:30:02,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:30:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:30:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:30:02,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:30:02,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876691813] [2024-09-08 08:30:02,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876691813] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:30:02,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:30:02,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 08:30:02,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147142980] [2024-09-08 08:30:02,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:30:02,715 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 08:30:02,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:30:02,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 08:30:02,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 08:30:02,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:30:02,746 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:30:02,747 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) [2024-09-08 08:30:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:30:02,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:30:02,972 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 08:30:02,973 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:30:02,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:30:02,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1827417460, now seen corresponding path program 1 times [2024-09-08 08:30:02,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:30:02,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499490581] [2024-09-08 08:30:02,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:30:02,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:30:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:30:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:30:03,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:30:03,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499490581] [2024-09-08 08:30:03,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499490581] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:30:03,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:30:03,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 08:30:03,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890622377] [2024-09-08 08:30:03,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:30:03,329 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 08:30:03,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:30:03,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 08:30:03,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 08:30:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:30:03,333 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:30:03,333 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-09-08 08:30:03,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:30:03,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:30:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:30:03,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:30:03,429 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 08:30:03,429 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 08:30:03,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:30:03,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1219376624, now seen corresponding path program 2 times [2024-09-08 08:30:03,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:30:03,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432099470] [2024-09-08 08:30:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:30:03,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:30:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:30:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:30:03,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:30:03,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432099470] [2024-09-08 08:30:03,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432099470] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:30:03,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480765434] [2024-09-08 08:30:03,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:30:03,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:30:03,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:30:03,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 08:30:03,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 08:30:03,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:30:03,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:30:03,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-08 08:30:03,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:30:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:30:03,820 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:30:03,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480765434] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:30:03,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 08:30:03,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 5 [2024-09-08 08:30:03,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878635853] [2024-09-08 08:30:03,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:30:03,821 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 08:30:03,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:30:03,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 08:30:03,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 08:30:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:30:03,824 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:30:03,824 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-09-08 08:30:03,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:30:03,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:30:03,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:30:04,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:30:04,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:30:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 08:30:04,051 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-09-08 08:30:04,052 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-08 08:30:04,052 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-09-08 08:30:04,052 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-08 08:30:04,052 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-08 08:30:04,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 08:30:04,256 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-08 08:30:04,262 INFO L408 BasicCegarLoop]: Path program histogram: [2, 1] [2024-09-08 08:30:04,267 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 08:30:04,267 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 08:30:04,269 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-08 08:30:04,271 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-08 08:30:04,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 08:30:04 BasicIcfg [2024-09-08 08:30:04,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 08:30:04,274 INFO L158 Benchmark]: Toolchain (without parser) took 4051.89ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 108.2MB in the beginning and 76.5MB in the end (delta: 31.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-09-08 08:30:04,274 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:30:04,274 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 167.8MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:30:04,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 967.34ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 132.9MB in the end (delta: -25.4MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2024-09-08 08:30:04,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.46ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 130.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 08:30:04,276 INFO L158 Benchmark]: Boogie Preprocessor took 51.20ms. Allocated memory is still 167.8MB. Free memory was 130.1MB in the beginning and 128.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:30:04,276 INFO L158 Benchmark]: RCFGBuilder took 752.20ms. Allocated memory is still 167.8MB. Free memory was 128.2MB in the beginning and 84.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-08 08:30:04,276 INFO L158 Benchmark]: TraceAbstraction took 2179.30ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 83.0MB in the beginning and 76.5MB in the end (delta: 6.6MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2024-09-08 08:30:04,278 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 167.8MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.15ms. Allocated memory is still 167.8MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 967.34ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 132.9MB in the end (delta: -25.4MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.46ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 130.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.20ms. Allocated memory is still 167.8MB. Free memory was 130.1MB in the beginning and 128.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 752.20ms. Allocated memory is still 167.8MB. Free memory was 128.2MB in the beginning and 84.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2179.30ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 83.0MB in the beginning and 76.5MB in the end (delta: 6.6MB). Peak memory consumption was 58.9MB. 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: 833, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 86, dependent conditional: 66, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 783, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 36, dependent conditional: 16, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 783, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 36, dependent conditional: 16, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 817, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 70, dependent conditional: 50, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 817, independent: 747, independent conditional: 6, independent unconditional: 741, dependent: 70, dependent conditional: 15, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 817, independent: 747, independent conditional: 6, independent unconditional: 741, dependent: 70, dependent conditional: 15, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 443, independent: 417, independent conditional: 3, independent unconditional: 414, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 443, independent: 373, independent conditional: 0, independent unconditional: 373, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 44, independent conditional: 3, independent unconditional: 41, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 44, independent conditional: 3, independent unconditional: 41, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, independent: 142, independent conditional: 10, independent unconditional: 133, dependent: 101, dependent conditional: 20, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 817, independent: 330, independent conditional: 3, independent unconditional: 327, dependent: 44, dependent conditional: 10, dependent unconditional: 34, unknown: 443, unknown conditional: 8, unknown unconditional: 435] , Statistics on independence cache: Total cache size (in pairs): 443, Positive cache size: 417, Positive conditional cache size: 3, Positive unconditional cache size: 414, Negative cache size: 26, Negative conditional cache size: 5, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 342, Maximal queried relation: 3, Independence queries for same thread: 50, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 147, Number of trivial persistent sets: 135, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 454, independent: 434, independent conditional: 0, independent unconditional: 434, 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: 833, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 86, dependent conditional: 66, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 783, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 36, dependent conditional: 16, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 783, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 36, dependent conditional: 16, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 817, independent: 747, independent conditional: 313, independent unconditional: 434, dependent: 70, dependent conditional: 50, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 817, independent: 747, independent conditional: 6, independent unconditional: 741, dependent: 70, dependent conditional: 15, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 817, independent: 747, independent conditional: 6, independent unconditional: 741, dependent: 70, dependent conditional: 15, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 443, independent: 417, independent conditional: 3, independent unconditional: 414, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 443, independent: 373, independent conditional: 0, independent unconditional: 373, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 44, independent conditional: 3, independent unconditional: 41, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 44, independent conditional: 3, independent unconditional: 41, dependent: 26, dependent conditional: 5, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, independent: 142, independent conditional: 10, independent unconditional: 133, dependent: 101, dependent conditional: 20, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 817, independent: 330, independent conditional: 3, independent unconditional: 327, dependent: 44, dependent conditional: 10, dependent unconditional: 34, unknown: 443, unknown conditional: 8, unknown unconditional: 435] , Statistics on independence cache: Total cache size (in pairs): 443, Positive cache size: 417, Positive conditional cache size: 3, Positive unconditional cache size: 414, Negative cache size: 26, Negative conditional cache size: 5, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 342, Maximal queried relation: 3, Independence queries for same thread: 50 - 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 - PositiveResult [Line: 966]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.7s, 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: 11, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 212 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 08:30:04,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-08 08:30:04,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE