./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/protection-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/protection-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 11:30:26,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 11:30:26,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 11:30:26,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 11:30:26,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 11:30:26,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 11:30:26,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 11:30:26,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 11:30:26,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 11:30:26,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 11:30:26,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 11:30:26,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 11:30:26,121 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 11:30:26,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 11:30:26,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 11:30:26,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 11:30:26,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 11:30:26,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 11:30:26,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 11:30:26,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 11:30:26,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 11:30:26,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 11:30:26,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 11:30:26,128 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 11:30:26,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 11:30:26,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 11:30:26,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 11:30:26,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 11:30:26,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 11:30:26,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 11:30:26,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:30:26,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 11:30:26,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 11:30:26,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 11:30:26,130 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 11:30:26,130 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 11:30:26,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 11:30:26,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 11:30:26,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 11:30:26,131 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 11:30:26,133 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 11:30:26,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 11:30:26,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 11:30:26,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 11:30:26,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 11:30:26,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 11:30:26,422 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 11:30:26,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-09-23 11:30:27,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 11:30:28,041 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 11:30:28,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-09-23 11:30:28,062 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a0c7d3767/3bf1472004f641a1bec639c1315db0cb/FLAG9b8074b78 [2024-09-23 11:30:28,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a0c7d3767/3bf1472004f641a1bec639c1315db0cb [2024-09-23 11:30:28,081 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 11:30:28,081 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 11:30:28,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/sync01.yml/witness.yml [2024-09-23 11:30:28,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 11:30:28,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 11:30:28,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 11:30:28,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 11:30:28,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 11:30:28,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:30:28" (1/2) ... [2024-09-23 11:30:28,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29538c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:30:28, skipping insertion in model container [2024-09-23 11:30:28,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:30:28" (1/2) ... [2024-09-23 11:30:28,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30565cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:30:28, skipping insertion in model container [2024-09-23 11:30:28,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:30:28" (2/2) ... [2024-09-23 11:30:28,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29538c1d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:28, skipping insertion in model container [2024-09-23 11:30:28,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:30:28" (2/2) ... [2024-09-23 11:30:28,368 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 11:30:28,369 INFO L1541 ArrayList]: Location invariant before [L962-L962] ! multithreaded || (0 <= num && num <= 1) [2024-09-23 11:30:28,369 INFO L1541 ArrayList]: Location invariant before [L961-L961] ! multithreaded || (0 <= num && num <= 1) [2024-09-23 11:30:28,369 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 11:30:28,369 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-09-23 11:30:28,370 INFO L1541 ArrayList]: ghost_update [L935-L935] m_locked = 1; [2024-09-23 11:30:28,370 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,370 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,370 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,370 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,370 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,371 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,371 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,371 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,371 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,371 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,371 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,372 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,372 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,372 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,372 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,372 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,372 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,372 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,373 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,373 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,373 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,373 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,374 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,374 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,374 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,375 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,376 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-09-23 11:30:28,377 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-09-23 11:30:28,378 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,378 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,378 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,378 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,378 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,379 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,379 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,379 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,379 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,379 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,379 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,379 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,379 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,380 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,380 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,380 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,380 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,380 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,380 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,380 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,380 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,381 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,382 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,382 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,382 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,382 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,382 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,383 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,383 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,383 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,383 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,383 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,383 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,384 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,384 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,384 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,384 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,384 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,384 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,385 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,385 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,385 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,385 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-09-23 11:30:28,386 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-09-23 11:30:28,386 INFO L1541 ArrayList]: ghost_update [L939-L939] m_locked = 0; [2024-09-23 11:30:28,386 INFO L1541 ArrayList]: ghost_update [L960-L960] multithreaded = 1; [2024-09-23 11:30:28,386 INFO L1541 ArrayList]: ghost_update [L949-L949] m_locked = 0; [2024-09-23 11:30:28,386 INFO L1541 ArrayList]: ghost_update [L945-L945] m_locked = 1; [2024-09-23 11:30:28,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 11:30:28,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:30:28,836 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 11:30:28,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 11:30:28,991 INFO L204 MainTranslator]: Completed translation [2024-09-23 11:30:28,992 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:28 WrapperNode [2024-09-23 11:30:28,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 11:30:28,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 11:30:28,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 11:30:28,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 11:30:28,998 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,013 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,031 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-09-23 11:30:29,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 11:30:29,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 11:30:29,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 11:30:29,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 11:30:29,041 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,041 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,045 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,045 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,052 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,055 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,057 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,058 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 11:30:29,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 11:30:29,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 11:30:29,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 11:30:29,062 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 11:30:28" (1/1) ... [2024-09-23 11:30:29,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 11:30:29,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:30:29,096 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 11:30:29,097 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 11:30:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-23 11:30:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 11:30:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 11:30:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 11:30:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 11:30:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-23 11:30:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 11:30:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 11:30:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 11:30:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 11:30:29,152 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 11:30:29,283 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 11:30:29,285 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 11:30:29,571 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 11:30:29,571 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 11:30:29,753 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 11:30:29,754 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-23 11:30:29,754 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:30:29 BoogieIcfgContainer [2024-09-23 11:30:29,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 11:30:29,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 11:30:29,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 11:30:29,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 11:30:29,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 11:30:28" (1/4) ... [2024-09-23 11:30:29,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dee1a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 11:30:29, skipping insertion in model container [2024-09-23 11:30:29,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:30:28" (2/4) ... [2024-09-23 11:30:29,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dee1a77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:30:29, skipping insertion in model container [2024-09-23 11:30:29,763 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 11:30:28" (3/4) ... [2024-09-23 11:30:29,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dee1a77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:30:29, skipping insertion in model container [2024-09-23 11:30:29,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:30:29" (4/4) ... [2024-09-23 11:30:29,766 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-09-23 11:30:29,781 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 11:30:29,782 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-23 11:30:29,782 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 11:30:29,816 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-09-23 11:30:29,856 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:30:29,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 11:30:29,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 11:30:29,859 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 11:30:29,860 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 11:30:29,895 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 11:30:29,906 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 11:30:29,913 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;@747cebd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 11:30:29,914 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-23 11:30:29,996 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 11:30:30,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 11:30:30,003 INFO L85 PathProgramCache]: Analyzing trace with hash -211659619, now seen corresponding path program 1 times [2024-09-23 11:30:30,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 11:30:30,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032470544] [2024-09-23 11:30:30,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 11:30:30,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 11:30:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 11:30:30,308 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 11:30:30,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 11:30:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032470544] [2024-09-23 11:30:30,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032470544] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 11:30:30,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 11:30:30,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 11:30:30,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333141295] [2024-09-23 11:30:30,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 11:30:30,316 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 11:30:30,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 11:30:30,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 11:30:30,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 11:30:30,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:30:30,339 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 11:30:30,340 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 11:30:30,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 11:30:30,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 11:30:30,595 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-23 11:30:30,596 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-23 11:30:30,596 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-23 11:30:30,596 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-23 11:30:30,597 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 11:30:30,603 INFO L408 BasicCegarLoop]: Path program histogram: [1] [2024-09-23 11:30:30,605 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 11:30:30,605 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 11:30:30,607 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-23 11:30:30,607 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-23 11:30:30,608 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 11:30:30 BasicIcfg [2024-09-23 11:30:30,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 11:30:30,609 INFO L158 Benchmark]: Toolchain (without parser) took 2407.67ms. Allocated memory is still 163.6MB. Free memory was 126.9MB in the beginning and 120.2MB in the end (delta: 6.7MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2024-09-23 11:30:30,609 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:30:30,609 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 11:30:30,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.53ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 66.1MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-23 11:30:30,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.61ms. Allocated memory is still 163.6MB. Free memory was 66.1MB in the beginning and 64.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 11:30:30,610 INFO L158 Benchmark]: Boogie Preprocessor took 28.48ms. Allocated memory is still 163.6MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 11:30:30,610 INFO L158 Benchmark]: RCFGBuilder took 693.68ms. Allocated memory is still 163.6MB. Free memory was 61.9MB in the beginning and 90.9MB in the end (delta: -29.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-23 11:30:30,611 INFO L158 Benchmark]: TraceAbstraction took 852.42ms. Allocated memory is still 163.6MB. Free memory was 90.9MB in the beginning and 120.2MB in the end (delta: -29.3MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-09-23 11:30:30,612 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.53ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 66.1MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.61ms. Allocated memory is still 163.6MB. Free memory was 66.1MB in the beginning and 64.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.48ms. Allocated memory is still 163.6MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 693.68ms. Allocated memory is still 163.6MB. Free memory was 61.9MB in the beginning and 90.9MB in the end (delta: -29.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 852.42ms. Allocated memory is still 163.6MB. Free memory was 90.9MB in the beginning and 120.2MB in the end (delta: -29.3MB). Peak memory consumption was 48.3MB. 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: 357, independent conditional: 0, independent unconditional: 357, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 13, independent conditional: 1, independent unconditional: 12, 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: 36, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, independent: 55, independent conditional: 2, independent unconditional: 53, dependent: 92, dependent conditional: 5, dependent unconditional: 87, 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: 357, independent conditional: 0, independent unconditional: 357, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 13, independent conditional: 1, independent unconditional: 12, 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: 36, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, independent: 55, independent conditional: 2, independent unconditional: 53, dependent: 92, dependent conditional: 5, dependent unconditional: 87, 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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 11:30:30,640 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 11:30:30,836 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