./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 527bcce2 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_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/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_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5 --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-527bcce [2023-11-21 19:49:50,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:49:50,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-21 19:49:50,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:49:50,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:49:50,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:49:50,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:49:50,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:49:50,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:49:50,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:49:50,519 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:49:50,520 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:49:50,520 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:49:50,522 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:49:50,522 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:49:50,527 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:49:50,527 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:49:50,528 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:49:50,528 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:49:50,529 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:49:50,529 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:49:50,530 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:49:50,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:49:50,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:49:50,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:49:50,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:49:50,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:49:50,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:49:50,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:49:50,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:49:50,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:49:50,535 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 19:49:50,536 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:49:50,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:49:50,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:49:50,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:49:50,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:49:50,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:49:50,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:49:50,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:49:50,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:49:50,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:49:50,539 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:49:50,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:49:50,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:49:50,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:49:50,540 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:49:50,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:49:50,541 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_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 [2023-11-21 19:49:50,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:49:50,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:49:50,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:49:50,938 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:49:50,939 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:49:50,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-21 19:49:54,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:49:54,825 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:49:54,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-21 19:49:54,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/data/9330c1763/7aa348bbcda64bbeac37bde992801de6/FLAGa5ca4026e [2023-11-21 19:49:54,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/data/9330c1763/7aa348bbcda64bbeac37bde992801de6 [2023-11-21 19:49:54,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:49:54,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:49:54,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:49:54,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:49:54,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:49:54,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:49:54" (1/1) ... [2023-11-21 19:49:54,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792fd6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:54, skipping insertion in model container [2023-11-21 19:49:54,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:49:54" (1/1) ... [2023-11-21 19:49:54,980 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:49:55,228 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:49:55,577 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-21 19:49:55,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6606590c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:55, skipping insertion in model container [2023-11-21 19:49:55,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:49:55,578 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 19:49:55,580 INFO L158 Benchmark]: Toolchain (without parser) took 706.49ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 86.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 19:49:55,580 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 176.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:49:55,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.52ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 86.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 19:49:55,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 176.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.52ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 86.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. 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_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/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_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5 --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-527bcce [2023-11-21 19:49:58,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:49:58,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-21 19:49:58,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:49:58,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:49:58,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:49:58,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:49:58,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:49:58,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:49:58,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:49:58,198 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:49:58,198 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:49:58,199 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:49:58,200 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:49:58,200 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:49:58,201 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:49:58,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:49:58,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:49:58,203 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:49:58,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:49:58,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:49:58,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:49:58,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:49:58,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:49:58,207 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 19:49:58,207 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:49:58,208 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:49:58,208 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:49:58,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:49:58,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:49:58,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:49:58,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:49:58,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:49:58,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:49:58,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:49:58,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:49:58,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:49:58,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:49:58,213 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:49:58,213 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:49:58,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:49:58,214 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:49:58,215 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:49:58,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:49:58,215 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_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480c5148e7cd14e3e53887d18fd0599a0b88a26e0479fa105e19ce5761a14580 [2023-11-21 19:49:58,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:49:58,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:49:58,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:49:58,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:49:58,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:49:58,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-21 19:50:01,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:50:02,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:50:02,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/sv-benchmarks/c/pthread-race-challenges/semaphore-posix-race-2.i [2023-11-21 19:50:02,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/data/d423641eb/73ad8149e8bf4a71834575342833fed8/FLAG026ed9613 [2023-11-21 19:50:02,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3611f89f-5448-4006-8285-7225f6fb18ff/bin/utaipan-verify-QoSU8krkJ5/data/d423641eb/73ad8149e8bf4a71834575342833fed8 [2023-11-21 19:50:02,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:50:02,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:50:02,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:50:02,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:50:02,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:50:02,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:50:02" (1/1) ... [2023-11-21 19:50:02,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b2a319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:02, skipping insertion in model container [2023-11-21 19:50:02,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:50:02" (1/1) ... [2023-11-21 19:50:02,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:50:02,560 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:50:02,912 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: sem_wait [2023-11-21 19:50:02,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6aa6f5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:02, skipping insertion in model container [2023-11-21 19:50:02,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:50:02,914 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 19:50:02,917 INFO L158 Benchmark]: Toolchain (without parser) took 609.56ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 46.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:50:02,920 INFO L158 Benchmark]: CDTParser took 1.41ms. 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. [2023-11-21 19:50:02,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.39ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 46.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:50:02,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. 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 607.39ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 46.1MB 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