./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