./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/pthread-finding-k-matches.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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-C-DAC/pthread-finding-k-matches.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/pthread-finding-k-matches.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.fs.goblint-validation-c091e2e-m [2024-08-13 20:22:12,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 20:22:12,842 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 20:22:12,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 20:22:12,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 20:22:12,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 20:22:12,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 20:22:12,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 20:22:12,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 20:22:12,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 20:22:12,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 20:22:12,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 20:22:12,875 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 20:22:12,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 20:22:12,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 20:22:12,876 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 20:22:12,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 20:22:12,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 20:22:12,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 20:22:12,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 20:22:12,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 20:22:12,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 20:22:12,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 20:22:12,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 20:22:12,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 20:22:12,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 20:22:12,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 20:22:12,881 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 20:22:12,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 20:22:12,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 20:22:12,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 20:22:12,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 20:22:12,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 20:22:12,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 20:22:12,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 20:22:12,884 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 20:22:12,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 20:22:12,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 20:22:12,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 20:22:12,884 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 20:22:12,884 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 20:22:12,885 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 20:22:12,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-13 20:22:13,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 20:22:13,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 20:22:13,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 20:22:13,087 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 20:22:13,088 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 20:22:13,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/pthread-finding-k-matches.yml/witness.yml [2024-08-13 20:22:13,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 20:22:13,177 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 20:22:13,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2024-08-13 20:22:14,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 20:22:14,624 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 20:22:14,625 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2024-08-13 20:22:14,649 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/957d216fe/e8ebce9396044ac499a06db5c13e8700/FLAG8b0e32038 [2024-08-13 20:22:14,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/957d216fe/e8ebce9396044ac499a06db5c13e8700 [2024-08-13 20:22:14,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 20:22:14,950 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 20:22:14,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 20:22:14,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 20:22:14,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 20:22:14,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:22:13" (1/2) ... [2024-08-13 20:22:14,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d557c7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:14, skipping insertion in model container [2024-08-13 20:22:14,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:22:13" (1/2) ... [2024-08-13 20:22:14,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29c76078 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:14, skipping insertion in model container [2024-08-13 20:22:14,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:22:14" (2/2) ... [2024-08-13 20:22:14,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d557c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:22:14, skipping insertion in model container [2024-08-13 20:22:14,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:22:14" (2/2) ... [2024-08-13 20:22:14,958 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 20:22:15,013 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 20:22:15,014 INFO L97 edCorrectnessWitness]: Location invariant before [L1382-L1385] (((((((((! multithreaded || num_threads == 2) && (! multithreaded || num_threads == 2)) && (! multithreaded || (-2147483648. <= search_no && search_no <= 2147483647.))) && (! multithreaded || (-2147483648. <= search_no && search_no <= 2147483647.))) && (! multithreaded || iterations == 500)) && (! multithreaded || iterations == 500)) && (! multithreaded || 0 <= count)) && (! multithreaded || 0 <= count)) && (! multithreaded || (count_mutex_locked || ((((0 <= count && -2147483648. <= search_no) && search_no <= 2147483647.) && num_threads == 2) && iterations == 500)))) && (! multithreaded || (count_mutex_locked || ((((0 <= count && -2147483648. <= search_no) && search_no <= 2147483647.) && num_threads == 2) && iterations == 500))) [2024-08-13 20:22:15,014 INFO L103 edCorrectnessWitness]: ghost_variable count_mutex_locked = 0 [2024-08-13 20:22:15,015 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 20:22:15,015 INFO L106 edCorrectnessWitness]: ghost_update [L1338-L1338] count_mutex_locked = 0; [2024-08-13 20:22:15,015 INFO L106 edCorrectnessWitness]: ghost_update [L1381-L1381] multithreaded = 1; [2024-08-13 20:22:15,015 INFO L106 edCorrectnessWitness]: ghost_update [L1336-L1336] count_mutex_locked = 1; [2024-08-13 20:22:15,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 20:22:15,443 ERROR L334 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2024-08-13 20:22:15,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29c76078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:22:15, skipping insertion in model container [2024-08-13 20:22:15,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 20:22:15,444 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 20:22:15,446 INFO L158 Benchmark]: Toolchain (without parser) took 495.74ms. Allocated memory is still 178.3MB. Free memory was 118.6MB in the beginning and 132.7MB in the end (delta: -14.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-13 20:22:15,446 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 20:22:15,446 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 20:22:15,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.62ms. Allocated memory is still 178.3MB. Free memory was 118.0MB in the beginning and 132.7MB in the end (delta: -14.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-13 20:22:15,448 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 0.12ms. Allocated memory is still 96.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.62ms. Allocated memory is still 178.3MB. Free memory was 118.0MB in the beginning and 132.7MB in the end (delta: -14.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-C-DAC/pthread-finding-k-matches.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/pthread-finding-k-matches.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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.fs.goblint-validation-c091e2e-m [2024-08-13 20:22:17,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 20:22:17,070 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-13 20:22:17,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 20:22:17,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 20:22:17,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 20:22:17,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 20:22:17,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 20:22:17,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 20:22:17,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 20:22:17,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 20:22:17,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 20:22:17,104 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 20:22:17,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 20:22:17,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 20:22:17,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 20:22:17,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 20:22:17,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 20:22:17,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 20:22:17,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 20:22:17,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 20:22:17,107 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-13 20:22:17,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 20:22:17,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-13 20:22:17,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 20:22:17,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 20:22:17,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 20:22:17,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 20:22:17,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 20:22:17,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 20:22:17,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 20:22:17,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 20:22:17,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 20:22:17,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 20:22:17,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 20:22:17,111 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-13 20:22:17,111 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 20:22:17,111 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-13 20:22:17,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 20:22:17,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 20:22:17,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 20:22:17,112 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 20:22:17,112 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 20:22:17,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-13 20:22:17,112 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-13 20:22:17,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 20:22:17,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 20:22:17,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 20:22:17,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 20:22:17,391 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 20:22:17,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2024-08-13 20:22:18,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 20:22:18,889 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 20:22:18,890 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-finding-k-matches.i [2024-08-13 20:22:18,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4c4485be/f440a8ccf9ff4dcd9ff97b1993e7ddfa/FLAGa9013eb5a [2024-08-13 20:22:18,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4c4485be/f440a8ccf9ff4dcd9ff97b1993e7ddfa [2024-08-13 20:22:18,926 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 20:22:18,928 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 20:22:18,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/pthread-finding-k-matches.yml/witness.yml [2024-08-13 20:22:19,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 20:22:19,046 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 20:22:19,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 20:22:19,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 20:22:19,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 20:22:19,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:22:18" (1/2) ... [2024-08-13 20:22:19,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff997a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:22:19, skipping insertion in model container [2024-08-13 20:22:19,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:22:18" (1/2) ... [2024-08-13 20:22:19,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b8070a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:22:19, skipping insertion in model container [2024-08-13 20:22:19,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:22:19" (2/2) ... [2024-08-13 20:22:19,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ff997a2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:19, skipping insertion in model container [2024-08-13 20:22:19,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:22:19" (2/2) ... [2024-08-13 20:22:19,056 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 20:22:19,098 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 20:22:19,099 INFO L97 edCorrectnessWitness]: Location invariant before [L1382-L1385] (((((((((! multithreaded || num_threads == 2) && (! multithreaded || num_threads == 2)) && (! multithreaded || (-2147483648. <= search_no && search_no <= 2147483647.))) && (! multithreaded || (-2147483648. <= search_no && search_no <= 2147483647.))) && (! multithreaded || iterations == 500)) && (! multithreaded || iterations == 500)) && (! multithreaded || 0 <= count)) && (! multithreaded || 0 <= count)) && (! multithreaded || (count_mutex_locked || ((((0 <= count && -2147483648. <= search_no) && search_no <= 2147483647.) && num_threads == 2) && iterations == 500)))) && (! multithreaded || (count_mutex_locked || ((((0 <= count && -2147483648. <= search_no) && search_no <= 2147483647.) && num_threads == 2) && iterations == 500))) [2024-08-13 20:22:19,100 INFO L103 edCorrectnessWitness]: ghost_variable count_mutex_locked = 0 [2024-08-13 20:22:19,100 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 20:22:19,100 INFO L106 edCorrectnessWitness]: ghost_update [L1336-L1336] count_mutex_locked = 1; [2024-08-13 20:22:19,100 INFO L106 edCorrectnessWitness]: ghost_update [L1338-L1338] count_mutex_locked = 0; [2024-08-13 20:22:19,100 INFO L106 edCorrectnessWitness]: ghost_update [L1381-L1381] multithreaded = 1; [2024-08-13 20:22:19,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 20:22:19,525 ERROR L334 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2024-08-13 20:22:19,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b8070a4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:22:19, skipping insertion in model container [2024-08-13 20:22:19,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 20:22:19,526 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 20:22:19,528 INFO L158 Benchmark]: Toolchain (without parser) took 481.98ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 41.9MB in the end (delta: 3.3MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-08-13 20:22:19,529 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 48.2MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 20:22:19,529 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 20:22:19,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.13ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 41.9MB in the end (delta: 3.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-08-13 20:22:19,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 48.2MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.13ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 41.9MB in the end (delta: 3.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN