./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-local/queue_ok_longest.yml/witness.yml --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 7bc0c755
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/queue_ok_longest.i ./goblint.2024-08-08_07-59-58.files/protection-local/queue_ok_longest.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
--- Real Ultimate output ---
This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m
[2024-08-23 16:55:38,860 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-08-23 16:55:38,925 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-08-23 16:55:38,939 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-08-23 16:55:38,940 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-08-23 16:55:38,963 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-08-23 16:55:38,964 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-08-23 16:55:38,964 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-08-23 16:55:38,964 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-08-23 16:55:38,965 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-08-23 16:55:38,965 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-08-23 16:55:38,965 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-08-23 16:55:38,966 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-08-23 16:55:38,966 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-08-23 16:55:38,966 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-08-23 16:55:38,966 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-08-23 16:55:38,967 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-08-23 16:55:38,967 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-08-23 16:55:38,967 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-08-23 16:55:38,967 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-08-23 16:55:38,968 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-08-23 16:55:38,971 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-08-23 16:55:38,971 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-08-23 16:55:38,971 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-08-23 16:55:38,971 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-08-23 16:55:38,971 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-08-23 16:55:38,972 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-08-23 16:55:38,972 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-08-23 16:55:38,972 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-08-23 16:55:38,972 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-08-23 16:55:38,972 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-08-23 16:55:38,972 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-08-23 16:55:38,973 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-08-23 16:55:38,973 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-08-23 16:55:38,973 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-08-23 16:55:38,973 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-08-23 16:55:38,973 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-08-23 16:55:38,973 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-08-23 16:55:38,973 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-08-23 16:55:38,974 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-08-23 16:55:38,974 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-08-23 16:55:38,978 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-08-23 16:55:38,978 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
[2024-08-23 16:55:39,157 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-08-23 16:55:39,177 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-08-23 16:55:39,181 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-08-23 16:55:39,182 INFO  L270        PluginConnector]: Initializing Witness Parser...
[2024-08-23 16:55:39,182 INFO  L274        PluginConnector]: Witness Parser initialized
[2024-08-23 16:55:39,183 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-local/queue_ok_longest.yml/witness.yml
[2024-08-23 16:55:39,296 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-08-23 16:55:39,296 INFO  L274        PluginConnector]: CDTParser initialized
[2024-08-23 16:55:39,297 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i
[2024-08-23 16:55:40,572 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-08-23 16:55:40,787 INFO  L384              CDTParser]: Found 1 translation units.
[2024-08-23 16:55:40,787 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i
[2024-08-23 16:55:40,802 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/afe846a2c/8ef6c8bdd3a74d5888cb52175209e41c/FLAG925aeb4a3
[2024-08-23 16:55:40,822 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/afe846a2c/8ef6c8bdd3a74d5888cb52175209e41c
[2024-08-23 16:55:40,822 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-08-23 16:55:40,824 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-08-23 16:55:40,825 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-08-23 16:55:40,828 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-08-23 16:55:40,832 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-08-23 16:55:40,835 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 04:55:39" (1/2) ...
[2024-08-23 16:55:40,836 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b39b5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:55:40, skipping insertion in model container
[2024-08-23 16:55:40,836 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 04:55:39" (1/2) ...
[2024-08-23 16:55:40,841 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71cdae07 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 04:55:40, skipping insertion in model container
[2024-08-23 16:55:40,841 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 04:55:40" (2/2) ...
[2024-08-23 16:55:40,842 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b39b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:40, skipping insertion in model container
[2024-08-23 16:55:40,842 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 04:55:40" (2/2) ...
[2024-08-23 16:55:40,842 INFO  L83    nessWitnessExtractor]: Extracting all invariants from correctness witness
[2024-08-23 16:55:40,873 INFO  L95    edCorrectnessWitness]: Found the following entries in the witness:
[2024-08-23 16:55:40,874 INFO  L97    edCorrectnessWitness]: Location invariant before [L1009-L1019] (((0 <= queue.head) && (0 <= queue.tail)) && (queue.head <= 800)) && (queue.tail <= 800)
[2024-08-23 16:55:40,875 INFO  L97    edCorrectnessWitness]: Location invariant before [L1027-L1038] (((0 <= queue.head) && (0 <= queue.tail)) && (queue.head <= 800)) && (queue.tail <= 800)
[2024-08-23 16:55:40,906 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-08-23 16:55:41,499 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293]
[2024-08-23 16:55:41,507 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566]
[2024-08-23 16:55:41,516 INFO  L207          PostProcessor]: Analyzing one entry point: main
[2024-08-23 16:55:41,538 INFO  L202         MainTranslator]: Completed pre-run
Start Parsing Local
[2024-08-23 16:55:42,123 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293]
Start Parsing Local
[2024-08-23 16:55:42,350 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566]
[2024-08-23 16:55:42,352 INFO  L207          PostProcessor]: Analyzing one entry point: main
[2024-08-23 16:55:42,396 INFO  L206         MainTranslator]: Completed translation
[2024-08-23 16:55:42,396 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42 WrapperNode
[2024-08-23 16:55:42,397 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-08-23 16:55:42,398 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-08-23 16:55:42,398 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-08-23 16:55:42,398 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-08-23 16:55:42,403 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:42,502 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,116 INFO  L138                Inliner]: procedures = 274, calls = 6473, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 25888
[2024-08-23 16:55:43,117 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-08-23 16:55:43,117 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-08-23 16:55:43,117 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-08-23 16:55:43,117 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-08-23 16:55:43,126 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,126 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,199 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,199 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,587 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,659 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,700 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,727 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,782 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-08-23 16:55:43,782 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-08-23 16:55:43,783 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-08-23 16:55:43,783 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-08-23 16:55:43,784 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 04:55:42" (1/1) ...
[2024-08-23 16:55:43,788 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-08-23 16:55:43,796 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-08-23 16:55:43,809 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)
[2024-08-23 16:55:43,811 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
[2024-08-23 16:55:43,834 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2024-08-23 16:55:43,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2024-08-23 16:55:43,834 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2024-08-23 16:55:43,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2024-08-23 16:55:43,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-08-23 16:55:43,835 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-08-23 16:55:43,835 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-08-23 16:55:43,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-08-23 16:55:43,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-08-23 16:55:43,836 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-08-23 16:55:43,836 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-08-23 16:55:43,836 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-08-23 16:55:43,840 WARN  L212             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-08-23 16:55:44,672 INFO  L243             CfgBuilder]: Building ICFG
[2024-08-23 16:55:44,673 INFO  L269             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-08-23 16:55:55,550 INFO  L288             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-08-23 16:55:55,550 INFO  L292             CfgBuilder]: Performing block encoding