./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5 --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 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:50:54,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:50:54,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-21 19:50:54,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:50:54,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:50:54,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:50:54,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:50:54,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:50:54,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:50:54,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:50:54,342 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:50:54,343 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:50:54,344 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:50:54,344 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:50:54,345 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:50:54,346 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:50:54,346 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:50:54,347 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:50:54,347 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:50:54,348 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:50:54,349 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:50:54,350 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:50:54,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 19:50:54,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 19:50:54,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:50:54,353 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:50:54,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:50:54,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:50:54,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:50:54,355 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 19:50:54,356 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 19:50:54,356 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 19:50:54,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:50:54,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:50:54,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:50:54,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:50:54,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:50:54,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:50:54,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:50:54,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:50:54,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:50:54,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:50:54,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:50:54,362 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:50:54,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:50:54,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:50:54,363 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:50:54,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:50:54,364 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_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 [2023-11-21 19:50:54,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:50:54,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:50:54,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:50:54,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:50:54,686 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:50:54,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2023-11-21 19:50:57,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:50:58,148 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:50:58,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2023-11-21 19:50:58,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/data/65c26cb41/bfe5da96b3694df0afc2d3d61cb19fa1/FLAG1029fd2b6 [2023-11-21 19:50:58,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/data/65c26cb41/bfe5da96b3694df0afc2d3d61cb19fa1 [2023-11-21 19:50:58,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:50:58,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:50:58,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:50:58,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:50:58,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:50:58,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:50:58" (1/1) ... [2023-11-21 19:50:58,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b038589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:58, skipping insertion in model container [2023-11-21 19:50:58,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:50:58" (1/1) ... [2023-11-21 19:50:58,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:50:58,744 ERROR L324 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2023-11-21 19:50:58,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68d83a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:58, skipping insertion in model container [2023-11-21 19:50:58,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:50:58,746 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 19:50:58,748 INFO L158 Benchmark]: Toolchain (without parser) took 564.64ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 93.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:50:58,748 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:50:58,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.36ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.4MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 19:50:58,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.36ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.4MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 710]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5 --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 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:51:01,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:51:01,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-21 19:51:01,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:51:01,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:51:01,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:51:01,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:51:01,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:51:01,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:51:01,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:51:01,238 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:51:01,239 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:51:01,239 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:51:01,240 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:51:01,240 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:51:01,241 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:51:01,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 19:51:01,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 19:51:01,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:51:01,244 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:51:01,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:51:01,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:51:01,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:51:01,246 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 19:51:01,246 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 19:51:01,247 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 19:51:01,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:51:01,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:51:01,248 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:51:01,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:51:01,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:51:01,249 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:51:01,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:51:01,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:51:01,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:51:01,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:51:01,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:51:01,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:51:01,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:51:01,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:51:01,252 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:51:01,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:51:01,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:51:01,253 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:51:01,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:51:01,253 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_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 [2023-11-21 19:51:01,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:51:01,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:51:01,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:51:01,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:51:01,628 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:51:01,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2023-11-21 19:51:04,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:51:05,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:51:05,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2023-11-21 19:51:05,273 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/data/97fa343d0/8cb1dc2bd2804136bb5078628806e5c6/FLAGd7a831a02 [2023-11-21 19:51:05,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b561c-aa35-4274-9d9e-b33266da1924/bin/utaipan-verify-QoSU8krkJ5/data/97fa343d0/8cb1dc2bd2804136bb5078628806e5c6 [2023-11-21 19:51:05,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:51:05,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:51:05,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:51:05,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:51:05,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:51:05,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:51:05" (1/1) ... [2023-11-21 19:51:05,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a98fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:05, skipping insertion in model container [2023-11-21 19:51:05,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:51:05" (1/1) ... [2023-11-21 19:51:05,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:51:06,056 ERROR L324 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2023-11-21 19:51:06,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bc350fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:51:06, skipping insertion in model container [2023-11-21 19:51:06,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:51:06,058 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 19:51:06,060 INFO L158 Benchmark]: Toolchain (without parser) took 575.75ms. Allocated memory is still 100.7MB. Free memory was 79.9MB in the beginning and 67.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:51:06,061 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:51:06,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.07ms. Allocated memory is still 100.7MB. Free memory was 79.9MB in the beginning and 67.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:51:06,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.07ms. Allocated memory is still 100.7MB. Free memory was 79.9MB in the beginning and 67.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 710]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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