./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.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_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire --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 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:34,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:34,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 21:09:34,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:34,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:34,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:34,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:34,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:34,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:34,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:34,572 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:34,573 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:34,574 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:34,576 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:34,576 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:34,576 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:34,577 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:34,577 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:34,578 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:34,578 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:34,579 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:34,579 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:34,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:34,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:34,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:09:34,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:34,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:09:34,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:34,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:34,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:34,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:34,585 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:09:34,585 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:09:34,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:09:34,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:34,586 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:34,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:34,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:34,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:34,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:34,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:34,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:34,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:34,588 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:34,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:34,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:34,589 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:34,590 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:34,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:34,590 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_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 [2023-11-23 21:09:34,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:34,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:34,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:34,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:34,946 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:34,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2023-11-23 21:09:38,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:38,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:38,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2023-11-23 21:09:38,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/data/2a944c406/91f1e2826fcd4213939b8a65c8cd8cc1/FLAGdb71fdffc [2023-11-23 21:09:38,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/data/2a944c406/91f1e2826fcd4213939b8a65c8cd8cc1 [2023-11-23 21:09:38,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:38,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:38,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:38,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:38,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:38,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:38" (1/1) ... [2023-11-23 21:09:38,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bbad77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:38, skipping insertion in model container [2023-11-23 21:09:38,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:38" (1/1) ... [2023-11-23 21:09:38,468 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:38,922 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. [2023-11-23 21:09:38,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2785e616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:38, skipping insertion in model container [2023-11-23 21:09:38,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:38,923 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:09:38,927 INFO L158 Benchmark]: Toolchain (without parser) took 516.69ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 86.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:09:38,928 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:38,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.04ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 86.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:09:38,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.04ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 86.1MB in the end (delta: 12.1MB). 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 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_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.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_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire --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 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:41,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:41,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-23 21:09:41,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:41,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:41,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:41,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:41,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:41,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:41,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:41,497 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:41,497 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:41,498 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:41,499 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:41,499 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:41,500 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:41,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:41,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:41,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:09:41,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:09:41,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:41,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:41,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:41,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:41,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:09:41,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:09:41,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:09:41,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:09:41,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:09:41,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:09:41,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:41,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:41,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:41,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:09:41,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:41,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:41,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:41,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:41,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:41,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:41,514 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:09:41,514 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:09:41,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:41,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:41,516 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:41,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:41,516 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_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c1f632db98267ccd924a3fe5a6c3aeb9e2efaa284be928aea18fc6f688690e8 [2023-11-23 21:09:41,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:42,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:42,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:42,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:42,017 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:42,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2023-11-23 21:09:45,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:45,522 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:45,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/sv-benchmarks/c/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2023-11-23 21:09:45,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/data/9b35e9951/d657b6f8e6b347bda1af4081379d4f2c/FLAG4c90b6d27 [2023-11-23 21:09:45,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207fb52-ae46-4fa5-a4d9-b064d1c77e49/bin/utaipan-verify-mE87zJ7Ire/data/9b35e9951/d657b6f8e6b347bda1af4081379d4f2c [2023-11-23 21:09:45,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:45,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:45,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:45,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:45,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:45,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:45" (1/1) ... [2023-11-23 21:09:45,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bea6c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:45, skipping insertion in model container [2023-11-23 21:09:45,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:45" (1/1) ... [2023-11-23 21:09:45,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:46,120 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. [2023-11-23 21:09:46,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cd0a9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:46, skipping insertion in model container [2023-11-23 21:09:46,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:46,121 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 21:09:46,123 INFO L158 Benchmark]: Toolchain (without parser) took 555.70ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 29.3MB in the beginning and 51.2MB in the end (delta: -21.9MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-23 21:09:46,124 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 65.0MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:46,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.88ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 29.2MB in the beginning and 51.2MB in the end (delta: -22.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-23 21:09:46,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 65.0MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.88ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 29.2MB in the beginning and 51.2MB in the end (delta: -22.1MB). Peak memory consumption was 3.2MB. 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