./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/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_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:31,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:31,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-25 00:06:31,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:31,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:31,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:31,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:31,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:31,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:31,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:31,361 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:31,362 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:31,363 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:31,363 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:06:31,364 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:31,364 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:31,365 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:06:31,365 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:06:31,366 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:31,366 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:06:31,367 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:06:31,368 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:06:31,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-25 00:06:31,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-25 00:06:31,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:31,370 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:31,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:06:31,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:31,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:31,372 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-25 00:06:31,372 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-25 00:06:31,372 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-25 00:06:31,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:31,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:06:31,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:06:31,374 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:31,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:31,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:31,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:31,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:31,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:31,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:31,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:31,378 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:06:31,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:06:31,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:31,379 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:31,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:31,379 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_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2023-11-25 00:06:31,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:31,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:31,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:31,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:31,698 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:31,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-11-25 00:06:34,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:35,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:35,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-11-25 00:06:35,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/data/836e36835/983dbef912dc4f24bab0f061e7a25be8/FLAGd2babf638 [2023-11-25 00:06:35,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/data/836e36835/983dbef912dc4f24bab0f061e7a25be8 [2023-11-25 00:06:35,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:35,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:35,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:35,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:35,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:35,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:35" (1/1) ... [2023-11-25 00:06:35,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d68412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:35, skipping insertion in model container [2023-11-25 00:06:35,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:35" (1/1) ... [2023-11-25 00:06:35,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:36,295 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-11-25 00:06:36,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@298e742f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:36, skipping insertion in model container [2023-11-25 00:06:36,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:36,298 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:06:36,301 INFO L158 Benchmark]: Toolchain (without parser) took 1093.22ms. Allocated memory is still 136.3MB. Free memory was 96.9MB in the beginning and 80.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-25 00:06:36,302 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 136.3MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:36,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1089.00ms. Allocated memory is still 136.3MB. Free memory was 96.5MB in the beginning and 80.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-25 00:06:36,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 136.3MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1089.00ms. Allocated memory is still 136.3MB. Free memory was 96.5MB in the beginning and 80.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init 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_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/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_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:38,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:38,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-25 00:06:38,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:38,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:39,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:39,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:39,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:39,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:39,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:39,007 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:39,007 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:39,008 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:39,009 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:39,009 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:39,010 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:39,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-25 00:06:39,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-25 00:06:39,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:39,012 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:39,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:06:39,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:39,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:39,014 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-25 00:06:39,015 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-25 00:06:39,015 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-25 00:06:39,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:39,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:06:39,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:06:39,017 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:06:39,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:06:39,018 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:39,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:39,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:39,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:06:39,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:39,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:39,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:39,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:39,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:39,022 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:06:39,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:06:39,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:39,023 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:39,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:39,024 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_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2023-11-25 00:06:39,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:39,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:39,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:39,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:39,499 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:39,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-11-25 00:06:42,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:43,178 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:43,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2023-11-25 00:06:43,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/data/5fd66f2e6/ea042366eeec4aa6a22aa0d4d5a93e03/FLAG79fa7eee5 [2023-11-25 00:06:43,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52f8c86f-a8d1-4b4f-96bb-5917c782abaa/bin/utaipan-verify-SwPr7d2a91/data/5fd66f2e6/ea042366eeec4aa6a22aa0d4d5a93e03 [2023-11-25 00:06:43,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:43,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:43,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:43,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:43,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:43,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:43" (1/1) ... [2023-11-25 00:06:43,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb45be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:43, skipping insertion in model container [2023-11-25 00:06:43,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:43" (1/1) ... [2023-11-25 00:06:43,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:44,367 ERROR L324 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2023-11-25 00:06:44,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39a532c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:44, skipping insertion in model container [2023-11-25 00:06:44,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:44,369 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-25 00:06:44,372 INFO L158 Benchmark]: Toolchain (without parser) took 1142.20ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 49.5MB in the beginning and 85.5MB in the end (delta: -36.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:06:44,374 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:44,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1138.99ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 49.4MB in the beginning and 85.5MB in the end (delta: -36.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:06:44,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1138.99ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 49.4MB in the beginning and 85.5MB in the end (delta: -36.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init 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