./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 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_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/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_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/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_584d62a7-d0c6-4243-aef8-611489bd1c28/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 e77b3f78a4ac9494d581ad353e415cb4107bdbfba3285b7abf13b1d4a3bc565b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:09:25,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:09:25,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-25 00:09:25,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:09:25,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:09:25,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:09:25,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:09:25,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:09:25,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:09:25,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:09:25,979 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:09:25,980 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:09:25,980 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:09:25,982 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:09:25,983 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:09:25,992 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:09:25,992 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:09:25,993 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:09:25,993 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:09:25,994 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:09:25,994 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:09:25,995 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:09:25,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:09:25,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:09:25,997 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:09:25,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:09:25,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:09:25,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:09:25,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:09:25,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:09:26,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:09:26,001 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-25 00:09:26,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:09:26,001 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:09:26,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:09:26,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:09:26,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:09:26,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:09:26,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:09:26,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:09:26,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:09:26,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:09:26,004 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:09:26,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:09:26,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:09:26,005 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:09:26,005 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:09:26,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:09:26,006 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_584d62a7-d0c6-4243-aef8-611489bd1c28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e77b3f78a4ac9494d581ad353e415cb4107bdbfba3285b7abf13b1d4a3bc565b [2023-11-25 00:09:26,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:09:26,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:09:26,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:09:26,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:09:26,353 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:09:26,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i [2023-11-25 00:09:29,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:09:29,848 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:09:29,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i [2023-11-25 00:09:29,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/data/709b3f3b8/2fd441de8ea343f392a34eca1fe3197b/FLAGcf5bc358c [2023-11-25 00:09:29,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/data/709b3f3b8/2fd441de8ea343f392a34eca1fe3197b [2023-11-25 00:09:29,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:09:29,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:09:29,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:29,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:09:29,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:09:29,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:09:29" (1/1) ... [2023-11-25 00:09:29,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70675c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:29, skipping insertion in model container [2023-11-25 00:09:29,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:09:29" (1/1) ... [2023-11-25 00:09:29,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:09:30,623 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-25 00:09:30,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f2252cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:30, skipping insertion in model container [2023-11-25 00:09:30,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:30,625 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:09:30,627 INFO L158 Benchmark]: Toolchain (without parser) took 721.33ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 67.0MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:09:30,628 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 96.2MB in the beginning and 96.0MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:09:30,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.43ms. Allocated memory is still 125.8MB. Free memory was 80.0MB in the beginning and 67.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:09:30,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory was 96.2MB in the beginning and 96.0MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 718.43ms. Allocated memory is still 125.8MB. Free memory was 80.0MB in the beginning and 67.0MB 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_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/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_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/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_584d62a7-d0c6-4243-aef8-611489bd1c28/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 e77b3f78a4ac9494d581ad353e415cb4107bdbfba3285b7abf13b1d4a3bc565b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:09:33,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:09:33,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-25 00:09:33,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:09:33,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:09:33,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:09:33,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:09:33,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:09:33,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:09:33,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:09:33,367 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:09:33,368 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:09:33,368 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:09:33,370 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:09:33,371 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:09:33,371 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:09:33,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:09:33,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:09:33,374 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:09:33,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:09:33,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:09:33,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:09:33,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:09:33,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:09:33,378 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-25 00:09:33,378 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:09:33,379 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:09:33,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:09:33,380 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:09:33,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:09:33,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:09:33,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:09:33,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:09:33,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:09:33,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:09:33,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:09:33,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:09:33,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:09:33,384 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:09:33,385 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:09:33,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:09:33,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:09:33,388 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:09:33,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:09:33,389 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_584d62a7-d0c6-4243-aef8-611489bd1c28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e77b3f78a4ac9494d581ad353e415cb4107bdbfba3285b7abf13b1d4a3bc565b [2023-11-25 00:09:33,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:09:33,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:09:33,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:09:33,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:09:33,883 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:09:33,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i [2023-11-25 00:09:37,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:09:37,578 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:09:37,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/sv-benchmarks/c/pthread-race-challenges/semaphore-posix.i [2023-11-25 00:09:37,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/data/62be00e33/70f932c906924db68660b90cdb4c0826/FLAGca34b64c1 [2023-11-25 00:09:37,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_584d62a7-d0c6-4243-aef8-611489bd1c28/bin/utaipan-verify-SwPr7d2a91/data/62be00e33/70f932c906924db68660b90cdb4c0826 [2023-11-25 00:09:37,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:09:37,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:09:37,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:37,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:09:37,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:09:37,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:09:37" (1/1) ... [2023-11-25 00:09:37,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aba3dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:37, skipping insertion in model container [2023-11-25 00:09:37,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:09:37" (1/1) ... [2023-11-25 00:09:37,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:09:38,501 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-25 00:09:38,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77135e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:38, skipping insertion in model container [2023-11-25 00:09:38,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:38,503 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:09:38,506 INFO L158 Benchmark]: Toolchain (without parser) took 859.07ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 44.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:09:38,506 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 58.7MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:09:38,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.55ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 44.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:09:38,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 58.7MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.55ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 44.0MB 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