./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ --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 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:22:55,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:22:55,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 05:22:55,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:22:55,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:22:55,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:22:55,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:22:55,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:22:55,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:22:55,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:22:56,000 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:22:56,002 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:22:56,002 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:22:56,005 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:22:56,005 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:22:56,006 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:22:56,007 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:22:56,007 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:22:56,008 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:22:56,009 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:22:56,010 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:22:56,011 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:22:56,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:22:56,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:22:56,013 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:22:56,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:22:56,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:22:56,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:22:56,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:22:56,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:22:56,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:22:56,019 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:22:56,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:22:56,019 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:22:56,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:22:56,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:22:56,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:22:56,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:22:56,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:56,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:22:56,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:22:56,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:22:56,022 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:22:56,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:22:56,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:22:56,024 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:22:56,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:22:56,024 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_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 [2023-11-19 05:22:56,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:22:56,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:22:56,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:22:56,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:22:56,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:22:56,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-19 05:23:00,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:00,520 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:00,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-19 05:23:00,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/data/5eb368fc6/6da47da7f7e64f7dbd1da65afcf4051c/FLAG806af4b63 [2023-11-19 05:23:00,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/data/5eb368fc6/6da47da7f7e64f7dbd1da65afcf4051c [2023-11-19 05:23:00,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:00,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:00,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:00,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:00,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:00,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:00" (1/1) ... [2023-11-19 05:23:00,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc54b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:00, skipping insertion in model container [2023-11-19 05:23:00,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:00" (1/1) ... [2023-11-19 05:23:00,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:00,974 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:23:01,509 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-19 05:23:01,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31d69b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:01, skipping insertion in model container [2023-11-19 05:23:01,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:01,511 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:23:01,514 INFO L158 Benchmark]: Toolchain (without parser) took 926.91ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 73.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:23:01,514 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:01,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 921.19ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 73.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:23:01,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 921.19ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 73.5MB in the end (delta: 12.9MB). 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_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ --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 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:04,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:04,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-19 05:23:04,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:04,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:04,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:04,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:04,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:04,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:04,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:04,612 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:04,613 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:04,613 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:04,614 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:04,615 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:04,615 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:04,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:04,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:04,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:04,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:04,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:04,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:04,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:04,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:04,620 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:23:04,620 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:23:04,621 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:23:04,621 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:23:04,622 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:04,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:04,622 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:04,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:04,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:23:04,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:04,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:04,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:04,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:04,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:04,625 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:23:04,625 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:23:04,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:04,626 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:04,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:04,626 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_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 [2023-11-19 05:23:05,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:05,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:05,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:05,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:05,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:05,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-19 05:23:08,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:08,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:08,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-19 05:23:08,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/data/8da67b441/ada8c84d5e754d94bf2ad864eded6f84/FLAG595c4cffe [2023-11-19 05:23:09,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae37c58c-045b-49b8-9338-deb89ab00225/bin/utaipan-verify-t7M7D8N6sZ/data/8da67b441/ada8c84d5e754d94bf2ad864eded6f84 [2023-11-19 05:23:09,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:09,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:09,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:09,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:09,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:09,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:09" (1/1) ... [2023-11-19 05:23:09,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43032f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:09, skipping insertion in model container [2023-11-19 05:23:09,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:09" (1/1) ... [2023-11-19 05:23:09,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:09,278 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:23:09,706 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-19 05:23:09,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c9ef470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:09, skipping insertion in model container [2023-11-19 05:23:09,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:09,707 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:23:09,709 INFO L158 Benchmark]: Toolchain (without parser) took 686.33ms. Allocated memory is still 86.0MB. Free memory was 61.6MB in the beginning and 48.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:23:09,710 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory was 61.8MB in the beginning and 61.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:09,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.31ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 48.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:23:09,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory was 61.8MB in the beginning and 61.7MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.31ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 48.0MB in the end (delta: 13.3MB). 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