./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/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_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/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_2b428a52-9da4-4cd2-a776-3c9859ca33b4/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 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:36,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:36,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-24 23:55:36,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:36,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:36,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:36,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:36,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:36,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:36,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:36,494 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:36,495 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:36,495 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:36,497 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:55:36,497 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:36,498 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:36,498 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:55:36,499 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:55:36,499 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:36,499 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:55:36,500 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:55:36,500 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:55:36,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:36,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:36,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:55:36,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:55:36,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:55:36,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:36,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:36,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:36,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:36,506 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 23:55:36,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:55:36,506 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:55:36,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:36,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:36,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:36,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:36,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:36,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:36,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:36,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:36,509 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:55:36,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:55:36,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:36,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:36,510 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:36,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:36,511 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_2b428a52-9da4-4cd2-a776-3c9859ca33b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-24 23:55:36,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:36,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:36,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:36,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:36,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:36,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:55:39,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:40,325 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:40,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:55:40,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/data/a373875f7/5f5aad4b565d430396ccb4f3264d8fcc/FLAG78779ce3b [2023-11-24 23:55:40,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/data/a373875f7/5f5aad4b565d430396ccb4f3264d8fcc [2023-11-24 23:55:40,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:40,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:40,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:40,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:40,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:40,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:40" (1/1) ... [2023-11-24 23:55:40,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e31bc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:40, skipping insertion in model container [2023-11-24 23:55:40,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:40" (1/1) ... [2023-11-24 23:55:40,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:41,227 ERROR L324 MainTranslator]: Unsupported Syntax: identifier is not declared (neither a variable nor a function name): argv in file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:55:41,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1dec30b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41, skipping insertion in model container [2023-11-24 23:55:41,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:41,229 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:55:41,231 INFO L158 Benchmark]: Toolchain (without parser) took 850.34ms. Allocated memory is still 182.5MB. Free memory was 150.8MB in the beginning and 134.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:55:41,232 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:55:41,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.78ms. Allocated memory is still 182.5MB. Free memory was 150.8MB in the beginning and 134.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:55:41,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 81.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.78ms. Allocated memory is still 182.5MB. Free memory was 150.8MB in the beginning and 134.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1284]: Unsupported Syntax identifier is not declared (neither a variable nor a function name): argv in file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/sv-benchmarks/c/pthread/twostage_3.i 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_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/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_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/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_2b428a52-9da4-4cd2-a776-3c9859ca33b4/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 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:43,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:43,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-24 23:55:43,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:43,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:43,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:43,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:43,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:43,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:43,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:43,951 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:43,951 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:43,952 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:43,953 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:43,953 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:43,954 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:43,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:43,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:43,956 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:55:43,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:55:43,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:43,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:43,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:43,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:43,959 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 23:55:43,960 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:55:43,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:55:43,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:55:43,961 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:55:43,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:43,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:43,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:43,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:55:43,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:43,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:43,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:43,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:43,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:43,964 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:55:43,965 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:55:43,965 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:43,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:43,966 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:43,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:43,966 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_2b428a52-9da4-4cd2-a776-3c9859ca33b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-24 23:55:44,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:44,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:44,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:44,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:44,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:44,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:55:47,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:47,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:47,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:55:47,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/data/55ca0cd4f/8f098948bbee4475901a7a743e399e10/FLAGe6c21da98 [2023-11-24 23:55:47,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/bin/utaipan-verify-SwPr7d2a91/data/55ca0cd4f/8f098948bbee4475901a7a743e399e10 [2023-11-24 23:55:47,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:47,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:47,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:47,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:47,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:47,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:47" (1/1) ... [2023-11-24 23:55:48,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3c762b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:48, skipping insertion in model container [2023-11-24 23:55:48,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:47" (1/1) ... [2023-11-24 23:55:48,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:48,934 ERROR L324 MainTranslator]: Unsupported Syntax: identifier is not declared (neither a variable nor a function name): argv in file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:55:48,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17c52f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:48, skipping insertion in model container [2023-11-24 23:55:48,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:48,936 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:55:48,938 INFO L158 Benchmark]: Toolchain (without parser) took 946.74ms. Allocated memory is still 71.3MB. Free memory was 45.4MB in the beginning and 46.0MB in the end (delta: -613.2kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:55:48,938 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 54.5MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:55:48,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.16ms. Allocated memory is still 71.3MB. Free memory was 45.2MB in the beginning and 46.0MB in the end (delta: -797.1kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:55:48,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 54.5MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.16ms. Allocated memory is still 71.3MB. Free memory was 45.2MB in the beginning and 46.0MB in the end (delta: -797.1kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1284]: Unsupported Syntax identifier is not declared (neither a variable nor a function name): argv in file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b428a52-9da4-4cd2-a776-3c9859ca33b4/sv-benchmarks/c/pthread/twostage_3.i 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