./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/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_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/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_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/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 da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:59:24,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:59:25,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:59:25,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:59:25,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:59:25,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:59:25,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:59:25,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:59:25,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:59:25,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:59:25,166 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:59:25,166 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:59:25,167 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:59:25,168 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:59:25,169 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:59:25,170 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:59:25,171 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:59:25,171 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:59:25,172 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:59:25,172 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:59:25,173 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:59:25,173 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:59:25,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:59:25,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:59:25,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:59:25,176 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:59:25,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:59:25,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:59:25,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:59:25,177 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:59:25,179 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:59:25,179 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:59:25,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:59:25,179 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:59:25,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:59:25,180 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:59:25,180 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:59:25,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:59:25,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:59:25,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:59:25,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:59:25,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:59:25,182 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:59:25,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:59:25,183 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:59:25,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:59:25,183 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_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2023-11-06 20:59:25,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:59:25,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:59:25,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:59:25,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:59:25,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:59:25,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-06 20:59:28,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:59:28,986 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:59:28,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-06 20:59:29,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/data/86402ceff/0f55602e6ca7424a9476b5a2e9b597b0/FLAG8097908f5 [2023-11-06 20:59:29,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/data/86402ceff/0f55602e6ca7424a9476b5a2e9b597b0 [2023-11-06 20:59:29,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:59:29,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:59:29,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:59:29,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:59:29,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:59:29,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:59:29" (1/1) ... [2023-11-06 20:59:29,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6593640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:29, skipping insertion in model container [2023-11-06 20:59:29,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:59:29" (1/1) ... [2023-11-06 20:59:29,148 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:59:29,370 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 20:59:30,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:59:30,021 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 20:59:30,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b874c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:30, skipping insertion in model container [2023-11-06 20:59:30,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:59:30,023 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:59:30,025 INFO L158 Benchmark]: Toolchain (without parser) took 974.29ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 121.6MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:59:30,026 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:59:30,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.52ms. Allocated memory is still 163.6MB. Free memory was 122.4MB in the beginning and 121.6MB in the end (delta: 815.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:59:30,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.52ms. Allocated memory is still 163.6MB. Free memory was 122.4MB in the beginning and 121.6MB in the end (delta: 815.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1691]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/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_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/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_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/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 da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:59:32,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:59:32,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:59:32,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:59:32,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:59:32,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:59:32,715 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:59:32,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:59:32,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:59:32,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:59:32,723 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:59:32,724 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:59:32,725 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:59:32,726 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:59:32,727 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:59:32,727 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:59:32,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:59:32,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:59:32,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:59:32,731 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:59:32,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:59:32,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:59:32,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:59:32,733 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:59:32,733 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:59:32,734 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:59:32,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:59:32,735 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:59:32,735 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:59:32,736 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:59:32,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:59:32,738 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:59:32,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:59:32,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:59:32,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:59:32,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:59:32,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:59:32,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:59:32,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:59:32,742 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:59:32,742 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:59:32,743 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:59:32,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:59:32,743 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_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2023-11-06 20:59:33,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:59:33,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:59:33,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:59:33,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:59:33,178 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:59:33,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-06 20:59:36,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:59:36,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:59:36,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-06 20:59:36,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/data/b4bb1ab7a/5b39f57235e2485395047e441825bd8e/FLAG56ea16874 [2023-11-06 20:59:36,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/data/b4bb1ab7a/5b39f57235e2485395047e441825bd8e [2023-11-06 20:59:36,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:59:36,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:59:36,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:59:36,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:59:36,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:59:36,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:59:36" (1/1) ... [2023-11-06 20:59:36,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79455061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:36, skipping insertion in model container [2023-11-06 20:59:36,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:59:36" (1/1) ... [2023-11-06 20:59:36,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:59:37,145 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 20:59:37,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:59:37,944 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:59:37,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:59:37,967 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 20:59:38,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:59:38,077 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:59:38,092 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 20:59:38,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:59:38,305 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:59:38,305 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:59:38,305 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:59:38,313 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:59:38,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38 WrapperNode [2023-11-06 20:59:38,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:59:38,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:59:38,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:59:38,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:59:38,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,392 INFO L138 Inliner]: procedures = 473, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 160 [2023-11-06 20:59:38,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:59:38,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:59:38,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:59:38,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:59:38,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:59:38,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:59:38,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:59:38,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:59:38,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (1/1) ... [2023-11-06 20:59:38,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:59:38,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:59:38,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:59:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6d525d-ddc3-4946-b1ae-eba9ebd97713/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:59:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 20:59:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:59:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:59:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 20:59:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 20:59:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 20:59:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:59:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 20:59:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:59:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:59:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:59:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 20:59:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 20:59:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:59:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:59:38,592 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 20:59:38,923 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:59:38,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:59:39,651 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:59:39,753 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:59:39,754 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 20:59:39,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:59:39 BoogieIcfgContainer [2023-11-06 20:59:39,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:59:39,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:59:39,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:59:39,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:59:39,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:59:36" (1/3) ... [2023-11-06 20:59:39,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f32004c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:59:39, skipping insertion in model container [2023-11-06 20:59:39,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:59:38" (2/3) ... [2023-11-06 20:59:39,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f32004c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:59:39, skipping insertion in model container [2023-11-06 20:59:39,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:59:39" (3/3) ... [2023-11-06 20:59:39,770 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-11-06 20:59:39,793 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:59:39,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2023-11-06 20:59:39,793 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:59:39,903 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 20:59:39,944 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:59:39,959 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 247 transitions, 508 flow [2023-11-06 20:59:39,962 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 247 transitions, 508 flow [2023-11-06 20:59:39,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 243 places, 247 transitions, 508 flow [2023-11-06 20:59:40,178 INFO L124 PetriNetUnfolderBase]: 14/329 cut-off events. [2023-11-06 20:59:40,178 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 20:59:40,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 329 events. 14/329 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1014 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 164. Up to 4 conditions per place. [2023-11-06 20:59:40,196 INFO L119 LiptonReduction]: Number of co-enabled transitions 9372