./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/twostage_3-race.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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/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 c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:14,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:14,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-25 00:02:14,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:14,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:14,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:14,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:14,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:14,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:14,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:14,334 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:14,336 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:14,336 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:14,338 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:14,338 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:14,339 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:14,339 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:14,339 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:14,341 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:14,342 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:14,342 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:14,343 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:14,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:14,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:14,345 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:14,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:14,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:14,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:14,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:14,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:14,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:14,348 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-25 00:02:14,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:02:14,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:14,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:14,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:14,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:14,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:14,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:14,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:14,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:14,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:14,351 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:14,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:14,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:14,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:14,353 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:14,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:14,353 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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e [2023-11-25 00:02:14,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:14,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:14,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:14,691 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:14,692 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:14,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread/twostage_3-race.i [2023-11-25 00:02:17,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:18,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:18,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/sv-benchmarks/c/pthread/twostage_3-race.i [2023-11-25 00:02:18,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/data/e4e7ac654/cc394105e9bf41c6a41e60328b492a5a/FLAG8c944151a [2023-11-25 00:02:18,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/data/e4e7ac654/cc394105e9bf41c6a41e60328b492a5a [2023-11-25 00:02:18,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:18,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:18,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:18,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:18,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:18,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:18" (1/1) ... [2023-11-25 00:02:18,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7849f5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:18, skipping insertion in model container [2023-11-25 00:02:18,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:18" (1/1) ... [2023-11-25 00:02:18,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:18,910 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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/sv-benchmarks/c/pthread/twostage_3-race.i [2023-11-25 00:02:18,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40081bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:18, skipping insertion in model container [2023-11-25 00:02:18,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:18,911 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:02:18,914 INFO L158 Benchmark]: Toolchain (without parser) took 728.47ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 116.4MB in the end (delta: 14.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-25 00:02:18,914 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 103.8MB in the beginning and 103.7MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:18,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.55ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 116.4MB in the end (delta: 14.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-25 00:02:18,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 103.8MB in the beginning and 103.7MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.55ms. Allocated memory is still 161.5MB. Free memory was 131.0MB in the beginning and 116.4MB in the end (delta: 14.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1280]: 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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/sv-benchmarks/c/pthread/twostage_3-race.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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/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 c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:21,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:21,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-25 00:02:21,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:21,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:21,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:21,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:21,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:21,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:21,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:21,643 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:21,644 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:21,645 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:21,646 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:21,647 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:21,647 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:21,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:21,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:21,650 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:21,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:21,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:21,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:21,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:21,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:21,654 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-25 00:02:21,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:02:21,655 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:02:21,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:02:21,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:21,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:21,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:21,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:21,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:02:21,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:21,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:21,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:21,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:21,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:21,661 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:02:21,662 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:21,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:21,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:21,663 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:21,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:21,664 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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e [2023-11-25 00:02:22,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:22,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:22,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:22,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:22,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:22,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread/twostage_3-race.i [2023-11-25 00:02:25,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:26,056 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:26,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/sv-benchmarks/c/pthread/twostage_3-race.i [2023-11-25 00:02:26,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/data/c2d74cfa7/26be918bf227432894d00a6881be974d/FLAGd133fecbb [2023-11-25 00:02:26,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04cc88d-8842-4788-8d81-eeccfb3ef88f/bin/utaipan-verify-SwPr7d2a91/data/c2d74cfa7/26be918bf227432894d00a6881be974d [2023-11-25 00:02:26,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:26,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:26,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:26,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:26,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:26,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:26" (1/1) ... [2023-11-25 00:02:26,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6032ef42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:26, skipping insertion in model container [2023-11-25 00:02:26,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:26" (1/1) ... [2023-11-25 00:02:26,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:27,104 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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/sv-benchmarks/c/pthread/twostage_3-race.i [2023-11-25 00:02:27,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7231356b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:27, skipping insertion in model container [2023-11-25 00:02:27,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:27,106 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:02:27,108 INFO L158 Benchmark]: Toolchain (without parser) took 989.05ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 69.6MB in the end (delta: -3.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-25 00:02:27,108 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:27,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 983.50ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 69.6MB in the end (delta: -3.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-25 00:02:27,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 983.50ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 69.6MB in the end (delta: -3.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1280]: 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_d04cc88d-8842-4788-8d81-eeccfb3ef88f/sv-benchmarks/c/pthread/twostage_3-race.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