./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --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 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:05:53,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:05:53,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:05:53,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:05:53,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:05:53,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:05:53,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:05:53,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:05:53,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:05:53,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:05:53,463 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:05:53,464 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:05:53,464 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:05:53,465 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:05:53,465 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:05:53,466 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:05:53,467 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:05:53,467 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:05:53,468 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:05:53,468 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:05:53,469 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:05:53,469 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:05:53,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:05:53,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:05:53,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:05:53,472 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:05:53,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:05:53,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:05:53,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:05:53,473 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:05:53,474 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:05:53,474 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:05:53,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:05:53,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:05:53,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:05:53,476 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:05:53,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:05:53,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:05:53,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:05:53,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:05:53,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:05:53,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:05:53,480 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:05:53,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:05:53,481 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:05:53,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:05:53,482 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_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 [2023-11-06 21:05:53,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:05:53,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:05:53,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:05:53,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:05:53,755 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:05:53,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-06 21:05:56,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:05:57,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:05:57,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-06 21:05:57,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/data/446264ef4/f674936752b04544b8a49c62942674a2/FLAG4d70c3e04 [2023-11-06 21:05:57,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/data/446264ef4/f674936752b04544b8a49c62942674a2 [2023-11-06 21:05:57,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:05:57,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:05:57,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:05:57,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:05:57,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:05:57,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:57" (1/1) ... [2023-11-06 21:05:57,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32cdd988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:57, skipping insertion in model container [2023-11-06 21:05:57,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:57" (1/1) ... [2023-11-06 21:05:57,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:05:58,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:05:58,416 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-06 21:05:58,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c9195ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:58, skipping insertion in model container [2023-11-06 21:05:58,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:05:58,417 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:05:58,419 INFO L158 Benchmark]: Toolchain (without parser) took 1055.17ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 91.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 21:05:58,420 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:05:58,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.70ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 91.3MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 21:05:58,422 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.70ms. Allocated memory is still 144.7MB. Free memory was 109.8MB in the beginning and 91.3MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1709]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --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 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:06:00,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:06:00,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:06:00,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:06:00,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:06:00,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:06:00,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:06:00,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:06:00,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:06:00,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:06:00,958 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:06:00,959 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:06:00,960 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:06:00,961 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:06:00,961 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:06:00,962 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:06:00,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:06:00,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:06:00,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:06:00,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:06:00,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:06:00,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:06:00,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:06:00,967 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:06:00,968 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:06:00,968 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:06:00,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:06:00,969 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:06:00,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:06:00,970 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:06:00,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:06:00,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:06:00,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:06:00,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:06:00,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:06:00,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:06:00,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:06:00,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:06:00,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:06:00,974 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:06:00,974 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:06:00,974 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:06:00,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:06:00,975 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_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 [2023-11-06 21:06:01,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:06:01,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:06:01,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:06:01,448 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:06:01,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:06:01,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-06 21:06:04,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:06:05,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:06:05,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-06 21:06:05,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/data/d3871f3b8/740f89f332664c2c8681a513de599a61/FLAG9ec018ea3 [2023-11-06 21:06:05,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/data/d3871f3b8/740f89f332664c2c8681a513de599a61 [2023-11-06 21:06:05,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:06:05,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:06:05,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:06:05,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:06:05,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:06:05,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:06:05" (1/1) ... [2023-11-06 21:06:05,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ba9e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:05, skipping insertion in model container [2023-11-06 21:06:05,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:06:05" (1/1) ... [2023-11-06 21:06:05,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:06:06,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:06:06,208 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:06:06,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:06:06,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:06:06,293 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:06:06,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:06:06,630 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:06:06,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06 WrapperNode [2023-11-06 21:06:06,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:06:06,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:06:06,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:06:06,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:06:06,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,724 INFO L138 Inliner]: procedures = 486, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 151 [2023-11-06 21:06:06,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:06:06,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:06:06,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:06:06,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:06:06,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:06:06,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:06:06,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:06:06,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:06:06,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (1/1) ... [2023-11-06 21:06:06,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:06:06,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:06:06,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:06:06,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0132bda5-d6ac-4c8d-a820-e48221e1900b/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:06:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:06:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:06:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 21:06:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 21:06:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:06:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:06:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:06:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:06:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:06:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 21:06:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 21:06:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:06:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:06:06,903 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:06:07,260 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:06:07,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:06:07,894 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:06:07,903 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:06:07,903 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:06:07,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:06:07 BoogieIcfgContainer [2023-11-06 21:06:07,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:06:07,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:06:07,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:06:07,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:06:07,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:06:05" (1/3) ... [2023-11-06 21:06:07,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b82b036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:06:07, skipping insertion in model container [2023-11-06 21:06:07,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:06:06" (2/3) ... [2023-11-06 21:06:07,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b82b036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:06:07, skipping insertion in model container [2023-11-06 21:06:07,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:06:07" (3/3) ... [2023-11-06 21:06:07,927 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-11-06 21:06:07,959 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:06:07,959 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-11-06 21:06:07,959 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:06:08,108 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 21:06:08,161 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 21:06:08,186 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 272 transitions, 558 flow [2023-11-06 21:06:08,192 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 272 transitions, 558 flow [2023-11-06 21:06:08,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 264 places, 272 transitions, 558 flow [2023-11-06 21:06:08,374 INFO L124 PetriNetUnfolderBase]: 18/340 cut-off events. [2023-11-06 21:06:08,375 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 21:06:08,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 340 events. 18/340 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 895 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 189. Up to 4 conditions per place. [2023-11-06 21:06:08,393 INFO L119 LiptonReduction]: Number of co-enabled transitions 8140