./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e77b3f78a4ac9494d581ad353e415cb4107bdbfba3285b7abf13b1d4a3bc565b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:09,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:09,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 21:10:09,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:09,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:09,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:09,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:09,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:09,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:09,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:09,508 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:09,510 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:09,511 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:09,513 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:09,514 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:09,515 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:09,516 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:09,522 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:09,523 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:09,523 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:09,524 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:09,524 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:09,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:09,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:09,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:09,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:09,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:09,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:09,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:09,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:09,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:09,528 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:10:09,529 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:10:09,529 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:09,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:09,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:09,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:09,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:09,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:09,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:09,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:09,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:09,536 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:09,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:09,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:09,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:09,538 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:09,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:09,538 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e77b3f78a4ac9494d581ad353e415cb4107bdbfba3285b7abf13b1d4a3bc565b [2023-11-23 21:10:09,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:09,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:09,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:09,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:09,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:09,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i [2023-11-23 21:10:13,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:13,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:13,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i [2023-11-23 21:10:13,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/data/8fc2437d3/dfc6386c07144724a31117a04e4412ac/FLAGc9686c34e [2023-11-23 21:10:13,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/data/8fc2437d3/dfc6386c07144724a31117a04e4412ac [2023-11-23 21:10:13,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:13,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:13,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:13,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:13,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:13,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eded918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:13, skipping insertion in model container [2023-11-23 21:10:13,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:13" (1/1) ... [2023-11-23 21:10:13,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:13,720 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:10:14,060 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-23 21:10:14,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71d66c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:14, skipping insertion in model container [2023-11-23 21:10:14,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:14,061 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:10:14,063 INFO L158 Benchmark]: Toolchain (without parser) took 664.25ms. Allocated memory is still 213.9MB. Free memory was 164.3MB in the beginning and 150.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:10:14,064 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:14,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.42ms. Allocated memory is still 213.9MB. Free memory was 164.3MB in the beginning and 150.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:10:14,066 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 146.8MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.42ms. Allocated memory is still 213.9MB. Free memory was 164.3MB in the beginning and 150.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: Unsupported Syntax Unsupported function: sem_wait 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: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e77b3f78a4ac9494d581ad353e415cb4107bdbfba3285b7abf13b1d4a3bc565b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:16,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:16,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-23 21:10:16,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:16,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:17,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:17,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:17,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:17,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:17,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:17,044 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:17,044 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:17,045 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:17,045 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:17,046 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:17,047 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:17,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:17,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:17,049 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:17,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:17,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:17,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:17,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:17,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:17,051 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:10:17,052 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:10:17,052 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:10:17,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:10:17,053 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:17,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:17,054 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:17,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:17,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:10:17,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:17,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:17,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:17,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:17,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:17,056 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:10:17,057 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:17,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:17,057 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:17,057 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:17,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:17,058 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e77b3f78a4ac9494d581ad353e415cb4107bdbfba3285b7abf13b1d4a3bc565b [2023-11-23 21:10:17,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:17,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:17,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:17,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:17,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:17,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i [2023-11-23 21:10:20,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:21,510 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:21,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i [2023-11-23 21:10:21,546 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/data/32a3207be/17b8cb8c333e443491d55be7de7f5e1e/FLAGfa7623b22 [2023-11-23 21:10:21,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be173e62-9723-468c-b908-79b4368bf00a/bin/utaipan-verify-mE87zJ7Ire/data/32a3207be/17b8cb8c333e443491d55be7de7f5e1e [2023-11-23 21:10:21,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:21,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:21,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:21,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:21,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:21,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:21" (1/1) ... [2023-11-23 21:10:21,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a17861e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:21, skipping insertion in model container [2023-11-23 21:10:21,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:21" (1/1) ... [2023-11-23 21:10:21,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:21,925 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:10:22,405 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-23 21:10:22,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ff6b18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:22, skipping insertion in model container [2023-11-23 21:10:22,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:22,407 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:10:22,409 INFO L158 Benchmark]: Toolchain (without parser) took 830.04ms. Allocated memory is still 79.7MB. Free memory was 53.5MB in the beginning and 39.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:10:22,410 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.1MB in the end (delta: 38.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:22,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.69ms. Allocated memory is still 79.7MB. Free memory was 53.3MB in the beginning and 39.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:10:22,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.1MB in the end (delta: 38.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.69ms. Allocated memory is still 79.7MB. Free memory was 53.3MB in the beginning and 39.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: Unsupported Syntax Unsupported function: sem_wait 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