./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 0e0057cc 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_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/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_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-24 23:19:23,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:19:23,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-24 23:19:23,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:19:23,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:19:23,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:19:23,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:19:23,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:19:23,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:19:23,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:19:23,555 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:19:23,555 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:19:23,556 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:19:23,557 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:19:23,557 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:19:23,558 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:19:23,559 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:19:23,559 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:19:23,560 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:19:23,561 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:19:23,561 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:19:23,562 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:19:23,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:19:23,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:19:23,564 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:19:23,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:19:23,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:19:23,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:19:23,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:19:23,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:19:23,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:19:23,567 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 23:19:23,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:19:23,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:19:23,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:19:23,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:19:23,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:19:23,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:19:23,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:23,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:19:23,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:19:23,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:19:23,571 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:19:23,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:19:23,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:19:23,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:19:23,572 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:19:23,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:19:23,572 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_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 [2023-11-24 23:19:23,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:19:23,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:19:23,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:19:23,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:19:23,876 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:19:23,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-24 23:19:26,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:19:27,445 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:19:27,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-24 23:19:27,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/data/071431e48/fab172ea1e9d4a27bc64055f1307f1ba/FLAG9d6ff441e [2023-11-24 23:19:27,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/data/071431e48/fab172ea1e9d4a27bc64055f1307f1ba [2023-11-24 23:19:27,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:19:27,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:19:27,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:27,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:19:27,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:19:27,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:27" (1/1) ... [2023-11-24 23:19:27,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5739fcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:27, skipping insertion in model container [2023-11-24 23:19:27,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:27" (1/1) ... [2023-11-24 23:19:27,567 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:19:28,123 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-24 23:19:28,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6122bf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:28, skipping insertion in model container [2023-11-24 23:19:28,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:28,125 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:19:28,127 INFO L158 Benchmark]: Toolchain (without parser) took 640.71ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 85.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:19:28,127 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:28,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.11ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 85.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:19:28,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.11ms. Allocated memory is still 132.1MB. Free memory was 98.6MB in the beginning and 85.7MB in the end (delta: 13.0MB). 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_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/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_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-24 23:19:30,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:19:30,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-24 23:19:30,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:19:30,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:19:30,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:19:30,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:19:30,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:19:30,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:19:30,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:19:30,771 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:19:30,772 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:19:30,772 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:19:30,774 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:19:30,775 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:19:30,775 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:19:30,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:19:30,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:19:30,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:19:30,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:19:30,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:19:30,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:19:30,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:19:30,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:19:30,781 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 23:19:30,782 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:19:30,782 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:19:30,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:19:30,783 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:19:30,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:19:30,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:19:30,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:19:30,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:19:30,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:19:30,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:19:30,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:19:30,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:19:30,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:19:30,789 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:19:30,790 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:19:30,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:19:30,791 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:19:30,791 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:19:30,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:19:30,792 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_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 [2023-11-24 23:19:31,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:19:31,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:19:31,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:19:31,266 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:19:31,268 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:19:31,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-24 23:19:34,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:19:34,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:19:34,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-24 23:19:34,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/data/f318b6f42/4a1eda50168f4e46827e0691cc3b0d9d/FLAG6d1d9a7cf [2023-11-24 23:19:34,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4703ec7-756f-4444-b8ad-380bb27ea978/bin/utaipan-verify-SwPr7d2a91/data/f318b6f42/4a1eda50168f4e46827e0691cc3b0d9d [2023-11-24 23:19:34,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:19:34,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:19:34,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:34,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:19:34,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:19:34,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:34" (1/1) ... [2023-11-24 23:19:34,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6508d7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:34, skipping insertion in model container [2023-11-24 23:19:34,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:19:34" (1/1) ... [2023-11-24 23:19:34,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:19:35,418 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-24 23:19:35,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d2cf5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:19:35, skipping insertion in model container [2023-11-24 23:19:35,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:19:35,420 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:19:35,422 INFO L158 Benchmark]: Toolchain (without parser) took 638.64ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 43.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:19:35,423 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 62.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:19:35,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.98ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 43.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:19:35,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 62.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.98ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 43.9MB in the end (delta: 13.5MB). 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