./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:48:50,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:48:50,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-17 22:48:50,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:48:50,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:48:50,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:48:50,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:48:50,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:48:50,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:48:50,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:48:50,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:48:50,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:48:50,899 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:48:50,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:48:50,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:48:50,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:48:50,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:48:50,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:48:50,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:48:50,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:48:50,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:48:50,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:48:50,906 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-17 22:48:50,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-17 22:48:50,907 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:48:50,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:48:50,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:48:50,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:48:50,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:48:50,910 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 22:48:50,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:48:50,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:48:50,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:48:50,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:48:50,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:48:50,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:48:50,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:48:50,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:48:50,914 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-17 22:48:50,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:48:50,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:48:50,915 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:48:50,916 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:48:50,916 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 [2023-11-17 22:48:51,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:48:51,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:48:51,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:48:51,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:48:51,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:48:51,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-17 22:48:55,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:48:55,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:48:55,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-17 22:48:55,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/data/072667db6/bcbf2f81c0ac41f8974d68ca8a7df8b1/FLAG5af7c56cf [2023-11-17 22:48:55,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/data/072667db6/bcbf2f81c0ac41f8974d68ca8a7df8b1 [2023-11-17 22:48:55,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:48:55,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:48:55,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:48:55,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:48:55,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:48:55,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:55" (1/1) ... [2023-11-17 22:48:55,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4a9e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:55, skipping insertion in model container [2023-11-17 22:48:55,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:55" (1/1) ... [2023-11-17 22:48:55,525 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:48:55,770 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 22:48:56,117 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-17 22:48:56,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a5c1794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:56, skipping insertion in model container [2023-11-17 22:48:56,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:48:56,119 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-17 22:48:56,121 INFO L158 Benchmark]: Toolchain (without parser) took 673.95ms. Allocated memory is still 165.7MB. Free memory was 128.0MB in the beginning and 132.1MB in the end (delta: -4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-17 22:48:56,122 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 121.6MB. Free memory was 91.2MB in the beginning and 91.0MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-17 22:48:56,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.71ms. Allocated memory is still 165.7MB. Free memory was 128.0MB in the beginning and 132.1MB in the end (delta: -4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-17 22:48:56,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 121.6MB. Free memory was 91.2MB in the beginning and 91.0MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.71ms. Allocated memory is still 165.7MB. Free memory was 128.0MB in the beginning and 132.1MB in the end (delta: -4.1MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:48:59,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:48:59,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2023-11-17 22:48:59,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:48:59,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:48:59,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:48:59,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:48:59,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:48:59,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:48:59,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:48:59,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:48:59,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:48:59,358 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:48:59,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:48:59,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:48:59,360 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:48:59,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:48:59,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:48:59,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:48:59,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:48:59,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:48:59,364 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-17 22:48:59,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-17 22:48:59,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-17 22:48:59,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-17 22:48:59,366 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:48:59,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:48:59,367 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:48:59,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:48:59,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:48:59,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:48:59,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:48:59,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:48:59,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:48:59,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:48:59,371 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-17 22:48:59,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-17 22:48:59,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:48:59,372 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-17 22:48:59,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:48:59,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:48:59,373 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:48:59,373 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:48:59,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-17 22:48:59,374 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_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 [2023-11-17 22:48:59,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:48:59,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:48:59,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:48:59,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:48:59,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:48:59,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-17 22:49:03,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:49:04,155 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:49:04,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-17 22:49:04,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/data/28fad3dc8/ced269807b2646e392da313bcf4e5b66/FLAG31d5d7eba [2023-11-17 22:49:04,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af2c676-503d-459b-b84d-46733f46de4d/bin/ugemcutter-verify-ztSkJzofpW/data/28fad3dc8/ced269807b2646e392da313bcf4e5b66 [2023-11-17 22:49:04,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:49:04,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:49:04,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:49:04,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:49:04,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:49:04,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:49:04" (1/1) ... [2023-11-17 22:49:04,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e260b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:04, skipping insertion in model container [2023-11-17 22:49:04,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:49:04" (1/1) ... [2023-11-17 22:49:04,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:49:04,558 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-17 22:49:04,908 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-17 22:49:04,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60115c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:49:04, skipping insertion in model container [2023-11-17 22:49:04,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:49:04,910 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-17 22:49:04,912 INFO L158 Benchmark]: Toolchain (without parser) took 701.33ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 48.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-17 22:49:04,913 INFO L158 Benchmark]: CDTParser took 1.61ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 82.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-17 22:49:04,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.20ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 48.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-17 22:49:04,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.61ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 82.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.20ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 48.8MB 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 Writing output log to file Ultimate.log Result: UNKNOWN