./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/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_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/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_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 23:50:13,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:13,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:50:13,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:13,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:13,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:13,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:13,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:13,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:13,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:13,305 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:13,306 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:13,307 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:13,309 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:50:13,311 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:13,311 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:13,312 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:50:13,312 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:50:13,313 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:13,314 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:50:13,316 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:50:13,317 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:50:13,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:13,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:13,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:13,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:50:13,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:13,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:13,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:13,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:13,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:13,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:50:13,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:50:13,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:13,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:13,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:13,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:13,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:13,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:13,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:13,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:13,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:13,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:13,329 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:50:13,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:50:13,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:13,330 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:13,331 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:13,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:13,331 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_6c3a9955-172e-4fb4-95aa-cf743e819f78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-24 23:50:13,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:13,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:13,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:13,716 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:13,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:13,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:50:17,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:17,441 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:17,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:50:17,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/data/23d4455f9/9a8e06824ef14bc7961b206a74bef79d/FLAG06713dedf [2023-11-24 23:50:17,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/data/23d4455f9/9a8e06824ef14bc7961b206a74bef79d [2023-11-24 23:50:17,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:17,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:17,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:17,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:17,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:17,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:17" (1/1) ... [2023-11-24 23:50:17,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2e3009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:17, skipping insertion in model container [2023-11-24 23:50:17,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:17" (1/1) ... [2023-11-24 23:50:17,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:18,500 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_6c3a9955-172e-4fb4-95aa-cf743e819f78/sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:50:18,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22387784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:18, skipping insertion in model container [2023-11-24 23:50:18,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:18,506 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:50:18,508 INFO L158 Benchmark]: Toolchain (without parser) took 1009.63ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 90.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:50:18,509 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:18,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.65ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 90.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:50:18,511 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.65ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 90.0MB in the end (delta: 15.3MB). 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_6c3a9955-172e-4fb4-95aa-cf743e819f78/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_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/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_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/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_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 23:50:21,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:21,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-24 23:50:21,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:21,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:21,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:21,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:21,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:21,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:21,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:21,712 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:21,713 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:21,713 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:21,715 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:21,715 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:21,716 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:21,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:21,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:21,718 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:21,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:21,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:21,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:21,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:21,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:21,722 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:50:21,722 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:50:21,722 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:50:21,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:50:21,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:50:21,724 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:21,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:21,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:21,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:21,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:50:21,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:21,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:21,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:21,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:21,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:21,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:21,727 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:50:21,728 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:50:21,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:21,728 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:21,729 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:21,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:21,729 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_6c3a9955-172e-4fb4-95aa-cf743e819f78/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-24 23:50:22,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:22,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:22,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:22,223 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:22,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:22,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:50:25,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:26,357 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:26,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:50:26,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/data/3fe78ce62/81874eb933784a1c97ac2931a399b3d8/FLAG703636682 [2023-11-24 23:50:26,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3a9955-172e-4fb4-95aa-cf743e819f78/bin/utaipan-verify-SwPr7d2a91/data/3fe78ce62/81874eb933784a1c97ac2931a399b3d8 [2023-11-24 23:50:26,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:26,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:26,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:26,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:26,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:26,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:26" (1/1) ... [2023-11-24 23:50:26,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ad5c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:26, skipping insertion in model container [2023-11-24 23:50:26,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:26" (1/1) ... [2023-11-24 23:50:26,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:27,570 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_6c3a9955-172e-4fb4-95aa-cf743e819f78/sv-benchmarks/c/pthread/twostage_3.i [2023-11-24 23:50:27,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@542fd8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:27, skipping insertion in model container [2023-11-24 23:50:27,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:27,572 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 23:50:27,574 INFO L158 Benchmark]: Toolchain (without parser) took 1131.97ms. Allocated memory is still 77.6MB. Free memory was 51.7MB in the beginning and 53.8MB in the end (delta: -2.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-24 23:50:27,574 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 62.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:27,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1126.31ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 53.8MB in the end (delta: -2.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-24 23:50:27,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 62.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1126.31ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 53.8MB in the end (delta: -2.3MB). Peak memory consumption was 17.0MB. 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_6c3a9955-172e-4fb4-95aa-cf743e819f78/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