./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.2024-08-20_10-08-36.files/mutex-meet-ghost/sync01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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.2024-08-20_10-08-36.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.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-26 16:29:00,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-26 16:29:00,524 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-26 16:29:00,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-26 16:29:00,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-26 16:29:00,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-26 16:29:00,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-26 16:29:00,568 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-26 16:29:00,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-26 16:29:00,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-26 16:29:00,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-26 16:29:00,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-26 16:29:00,572 INFO L153 SettingsManager]: * Use SBE=true [2024-08-26 16:29:00,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-26 16:29:00,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-26 16:29:00,575 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-26 16:29:00,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-26 16:29:00,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-26 16:29:00,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-26 16:29:00,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-26 16:29:00,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-26 16:29:00,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-26 16:29:00,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-26 16:29:00,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-26 16:29:00,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-26 16:29:00,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-26 16:29:00,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-26 16:29:00,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-26 16:29:00,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-26 16:29:00,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-26 16:29:00,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 16:29:00,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-26 16:29:00,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-26 16:29:00,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-26 16:29:00,581 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-26 16:29:00,581 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-26 16:29:00,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-26 16:29:00,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-26 16:29:00,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-26 16:29:00,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-26 16:29:00,582 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-26 16:29:00,583 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-26 16:29:00,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-26 16:29:00,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-26 16:29:00,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-26 16:29:00,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-26 16:29:00,863 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-26 16:29:00,864 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-26 16:29:00,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/sync01.yml/witness.yml [2024-08-26 16:29:01,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-26 16:29:01,017 INFO L274 PluginConnector]: CDTParser initialized [2024-08-26 16:29:01,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-08-26 16:29:02,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-26 16:29:02,637 INFO L384 CDTParser]: Found 1 translation units. [2024-08-26 16:29:02,639 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-08-26 16:29:02,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8cc281c03/9ff20f70f8a7408192bfda05114f2ba5/FLAGbb6240ce0 [2024-08-26 16:29:02,674 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8cc281c03/9ff20f70f8a7408192bfda05114f2ba5 [2024-08-26 16:29:02,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-26 16:29:02,676 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-26 16:29:02,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-26 16:29:02,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-26 16:29:02,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-26 16:29:02,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:29:01" (1/2) ... [2024-08-26 16:29:02,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223e8c03 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:29:02, skipping insertion in model container [2024-08-26 16:29:02,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:29:01" (1/2) ... [2024-08-26 16:29:02,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@505f6258 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.08 04:29:02, skipping insertion in model container [2024-08-26 16:29:02,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:29:02" (2/2) ... [2024-08-26 16:29:02,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223e8c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:02, skipping insertion in model container [2024-08-26 16:29:02,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 04:29:02" (2/2) ... [2024-08-26 16:29:02,687 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-26 16:29:02,857 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-26 16:29:02,858 INFO L1541 ArrayList]: Location invariant before [L962-L962] (! multithreaded || (num == 0 || num == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1))) [2024-08-26 16:29:02,859 INFO L1541 ArrayList]: Location invariant before [L961-L961] (! multithreaded || (num == 0 || num == 1)) && (! multithreaded || (m_locked || (num == 0 || num == 1))) [2024-08-26 16:29:02,859 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-26 16:29:02,859 INFO L1541 ArrayList]: ghost_variable m_locked = 0 [2024-08-26 16:29:02,859 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,860 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,860 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,860 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,860 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,860 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,861 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,861 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,861 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,861 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,861 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,861 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,862 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,862 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,862 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,862 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,862 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,863 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,863 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,863 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,863 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,863 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,864 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,864 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,864 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,864 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,864 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,864 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,865 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,865 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,865 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,865 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,865 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,866 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,867 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,867 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,867 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,867 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,868 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,868 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,868 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,868 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,868 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,868 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,868 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 0; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L937-L937] m_locked = 1; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L939-L939] m_locked = 0; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L960-L960] multithreaded = 1; [2024-08-26 16:29:02,869 INFO L1541 ArrayList]: ghost_update [L945-L945] m_locked = 1; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L935-L935] m_locked = 1; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,870 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,871 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,872 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,872 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,872 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,872 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,872 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,874 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,874 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,874 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,874 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,874 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,874 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,875 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,875 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,875 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,875 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,875 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,875 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,875 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,876 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,876 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,876 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,877 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,877 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,877 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,877 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,877 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,877 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,878 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,878 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,878 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,879 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,879 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,879 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 0; [2024-08-26 16:29:02,880 INFO L1541 ArrayList]: ghost_update [L947-L947] m_locked = 1; [2024-08-26 16:29:02,880 INFO L1541 ArrayList]: ghost_update [L949-L949] m_locked = 0; [2024-08-26 16:29:02,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-26 16:29:03,390 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 16:29:03,411 INFO L202 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 [2024-08-26 16:29:03,539 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-26 16:29:03,616 INFO L206 MainTranslator]: Completed translation [2024-08-26 16:29:03,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03 WrapperNode [2024-08-26 16:29:03,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-26 16:29:03,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-26 16:29:03,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-26 16:29:03,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-26 16:29:03,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,694 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-08-26 16:29:03,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-26 16:29:03,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-26 16:29:03,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-26 16:29:03,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-26 16:29:03,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-26 16:29:03,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-26 16:29:03,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-26 16:29:03,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-26 16:29:03,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (1/1) ... [2024-08-26 16:29:03,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-26 16:29:03,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 16:29:03,781 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) [2024-08-26 16:29:03,786 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 [2024-08-26 16:29:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-26 16:29:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-26 16:29:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-26 16:29:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-26 16:29:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-26 16:29:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-26 16:29:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-26 16:29:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-26 16:29:03,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-26 16:29:03,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-26 16:29:03,833 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-26 16:29:03,980 INFO L242 CfgBuilder]: Building ICFG [2024-08-26 16:29:03,981 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-26 16:29:04,270 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-26 16:29:04,270 INFO L291 CfgBuilder]: Performing block encoding [2024-08-26 16:29:04,440 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-26 16:29:04,440 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-26 16:29:04,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 04:29:04 BoogieIcfgContainer [2024-08-26 16:29:04,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-26 16:29:04,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-26 16:29:04,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-26 16:29:04,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-26 16:29:04,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.08 04:29:01" (1/4) ... [2024-08-26 16:29:04,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25688f29 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.08 04:29:04, skipping insertion in model container [2024-08-26 16:29:04,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 04:29:02" (2/4) ... [2024-08-26 16:29:04,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25688f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 04:29:04, skipping insertion in model container [2024-08-26 16:29:04,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 04:29:03" (3/4) ... [2024-08-26 16:29:04,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25688f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 04:29:04, skipping insertion in model container [2024-08-26 16:29:04,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 04:29:04" (4/4) ... [2024-08-26 16:29:04,451 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-08-26 16:29:04,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-26 16:29:04,470 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-26 16:29:04,470 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-26 16:29:04,512 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-26 16:29:04,554 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 16:29:04,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-26 16:29:04,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-26 16:29:04,556 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) [2024-08-26 16:29:04,557 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 [2024-08-26 16:29:04,599 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-26 16:29:04,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-26 16:29:04,618 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4201f113, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-26 16:29:04,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-26 16:29:04,731 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-26 16:29:04,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-26 16:29:04,737 INFO L85 PathProgramCache]: Analyzing trace with hash -211659619, now seen corresponding path program 1 times [2024-08-26 16:29:04,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-26 16:29:04,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896480148] [2024-08-26 16:29:04,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-26 16:29:04,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-26 16:29:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-26 16:29:05,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-26 16:29:05,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-26 16:29:05,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896480148] [2024-08-26 16:29:05,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896480148] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-26 16:29:05,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-26 16:29:05,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-26 16:29:05,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845419890] [2024-08-26 16:29:05,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-26 16:29:05,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-26 16:29:05,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-26 16:29:05,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-26 16:29:05,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-26 16:29:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:29:05,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-26 16:29:05,073 INFO L496 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) [2024-08-26 16:29:05,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-26 16:29:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-26 16:29:05,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-26 16:29:05,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-26 16:29:05,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-26 16:29:05,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-26 16:29:05,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-26 16:29:05,371 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-26 16:29:05,377 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-26 16:29:05,377 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-26 16:29:05,379 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-26 16:29:05,379 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-26 16:29:05,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 04:29:05 BasicIcfg [2024-08-26 16:29:05,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-26 16:29:05,382 INFO L158 Benchmark]: Toolchain (without parser) took 2706.40ms. Allocated memory is still 178.3MB. Free memory was 145.4MB in the beginning and 118.6MB in the end (delta: 26.8MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2024-08-26 16:29:05,382 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:29:05,383 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory was 92.9MB in the beginning and 92.7MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:29:05,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 941.50ms. Allocated memory is still 178.3MB. Free memory was 145.0MB in the beginning and 144.3MB in the end (delta: 673.4kB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-08-26 16:29:05,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.14ms. Allocated memory is still 178.3MB. Free memory was 144.3MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-26 16:29:05,384 INFO L158 Benchmark]: Boogie Preprocessor took 36.54ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 140.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-26 16:29:05,385 INFO L158 Benchmark]: RCFGBuilder took 709.70ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 95.0MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-08-26 16:29:05,385 INFO L158 Benchmark]: TraceAbstraction took 937.49ms. Allocated memory is still 178.3MB. Free memory was 95.0MB in the beginning and 118.6MB in the end (delta: -23.5MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-08-26 16:29:05,387 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 0.18ms. Allocated memory is still 121.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 121.6MB. Free memory was 92.9MB in the beginning and 92.7MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 941.50ms. Allocated memory is still 178.3MB. Free memory was 145.0MB in the beginning and 144.3MB in the end (delta: 673.4kB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.14ms. Allocated memory is still 178.3MB. Free memory was 144.3MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.54ms. Allocated memory is still 178.3MB. Free memory was 142.2MB in the beginning and 140.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 709.70ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 95.0MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 937.49ms. Allocated memory is still 178.3MB. Free memory was 95.0MB in the beginning and 118.6MB in the end (delta: -23.5MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: 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: 8, independent unconditional: 647, dependent: 63, dependent conditional: 17, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 718, independent: 655, independent conditional: 8, independent unconditional: 647, dependent: 63, dependent conditional: 4, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 718, independent: 655, independent conditional: 8, independent unconditional: 647, dependent: 63, dependent conditional: 4, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 393, independent: 370, independent conditional: 1, independent unconditional: 369, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 393, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 218, independent: 134, independent conditional: 3, independent unconditional: 131, dependent: 83, dependent conditional: 7, dependent unconditional: 77, 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: 13, Maximal queried relation: 1, Independence queries for same thread: 25 - StatisticsResult: Persistent set 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: 8, independent unconditional: 647, dependent: 63, dependent conditional: 17, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 718, independent: 655, independent conditional: 8, independent unconditional: 647, dependent: 63, dependent conditional: 4, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 718, independent: 655, independent conditional: 8, independent unconditional: 647, dependent: 63, dependent conditional: 4, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 393, independent: 370, independent conditional: 1, independent unconditional: 369, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 393, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 218, independent: 134, independent conditional: 3, independent unconditional: 131, dependent: 83, dependent conditional: 7, dependent unconditional: 77, 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: 13, Maximal queried relation: 1, Independence queries for same thread: 25 - PositiveResult [Line: 961]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 962]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-26 16:29:05,418 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 [2024-08-26 16:29:05,621 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