./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 9bd2c7ff 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_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/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_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:05:41,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:05:41,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:05:41,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:05:41,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:05:41,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:05:41,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:05:41,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:05:41,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:05:41,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:05:41,564 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:05:41,564 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:05:41,565 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:05:41,565 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:05:41,566 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:05:41,566 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:05:41,567 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:05:41,567 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:05:41,568 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:05:41,568 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:05:41,569 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:05:41,570 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:05:41,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:05:41,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:05:41,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:05:41,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:05:41,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:05:41,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:05:41,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:05:41,574 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:05:41,574 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:05:41,574 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:05:41,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:05:41,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:05:41,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:05:41,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:05:41,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:05:41,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:05:41,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:05:41,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:41,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:05:41,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:05:41,579 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:05:41,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:05:41,579 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:05:41,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:05:41,580 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_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2023-11-19 05:05:41,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:05:41,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:05:41,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:05:41,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:05:41,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:05:41,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-19 05:05:45,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:05:45,444 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:05:45,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-19 05:05:45,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/data/e4b7f916a/62c4892379b54e5887ac53d591b9a6ed/FLAG22248cf18 [2023-11-19 05:05:45,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/data/e4b7f916a/62c4892379b54e5887ac53d591b9a6ed [2023-11-19 05:05:45,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:05:45,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:05:45,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:45,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:05:45,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:05:45,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:45" (1/1) ... [2023-11-19 05:05:45,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc00797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:45, skipping insertion in model container [2023-11-19 05:05:45,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:45" (1/1) ... [2023-11-19 05:05:45,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:45,719 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:05:46,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:46,292 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) [2023-11-19 05:05:46,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e1a339d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:46, skipping insertion in model container [2023-11-19 05:05:46,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:46,293 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:05:46,295 INFO L158 Benchmark]: Toolchain (without parser) took 797.91ms. Allocated memory is still 148.9MB. Free memory was 112.9MB in the beginning and 94.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 05:05:46,295 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:46,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.61ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 94.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:05:46,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.61ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 94.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. 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_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/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_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:05:48,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:05:49,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 05:05:49,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:05:49,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:05:49,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:05:49,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:05:49,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:05:49,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:05:49,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:05:49,142 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:05:49,143 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:05:49,144 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:05:49,146 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:05:49,146 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:05:49,146 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:05:49,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:05:49,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:05:49,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:05:49,149 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:05:49,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:05:49,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:05:49,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:05:49,151 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:05:49,152 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:05:49,152 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:05:49,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:05:49,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:05:49,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:05:49,154 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:05:49,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:05:49,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:05:49,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:05:49,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:05:49,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:05:49,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:05:49,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:49,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:05:49,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:05:49,159 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:05:49,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:05:49,160 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:05:49,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:05:49,160 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_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2023-11-19 05:05:49,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:05:49,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:05:49,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:05:49,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:05:49,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:05:49,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-19 05:05:52,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:05:53,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:05:53,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2023-11-19 05:05:53,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/data/daed8c88a/9fb710d3ca494b5e97dae43268d09436/FLAGed77fcdd6 [2023-11-19 05:05:53,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/data/daed8c88a/9fb710d3ca494b5e97dae43268d09436 [2023-11-19 05:05:53,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:05:53,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:05:53,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:53,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:05:53,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:05:53,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:53" (1/1) ... [2023-11-19 05:05:53,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27099f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:53, skipping insertion in model container [2023-11-19 05:05:53,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:53" (1/1) ... [2023-11-19 05:05:53,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:53,451 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:05:54,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:54,117 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:05:54,135 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:54,141 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:05:54,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:54,222 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:05:54,233 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:05:54,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:54,502 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:54,502 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:54,502 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:05:54,510 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:05:54,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54 WrapperNode [2023-11-19 05:05:54,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:54,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:54,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:05:54,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:05:54,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,630 INFO L138 Inliner]: procedures = 473, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 160 [2023-11-19 05:05:54,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:54,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:05:54,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:05:54,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:05:54,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:05:54,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:05:54,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:05:54,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:05:54,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (1/1) ... [2023-11-19 05:05:54,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:05:54,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:05:54,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03226e1d-63aa-4163-96e6-ec2b0c40a5a8/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:05:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 05:05:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:05:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:05:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:05:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 05:05:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 05:05:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:05:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:05:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:05:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:05:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:05:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-19 05:05:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-19 05:05:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:05:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:05:54,816 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:05:55,183 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:05:55,185 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:05:56,000 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:05:56,129 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:05:56,129 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:05:56,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:56 BoogieIcfgContainer [2023-11-19 05:05:56,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:05:56,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:05:56,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:05:56,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:05:56,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:05:53" (1/3) ... [2023-11-19 05:05:56,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f06f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:56, skipping insertion in model container [2023-11-19 05:05:56,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:54" (2/3) ... [2023-11-19 05:05:56,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f06f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:56, skipping insertion in model container [2023-11-19 05:05:56,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:56" (3/3) ... [2023-11-19 05:05:56,150 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-11-19 05:05:56,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:05:56,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2023-11-19 05:05:56,167 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:05:56,282 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 05:05:56,333 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:05:56,355 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 251 transitions, 516 flow [2023-11-19 05:05:56,360 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 251 transitions, 516 flow [2023-11-19 05:05:56,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 243 places, 251 transitions, 516 flow [2023-11-19 05:05:56,527 INFO L124 PetriNetUnfolderBase]: 22/337 cut-off events. [2023-11-19 05:05:56,527 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 05:05:56,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 337 events. 22/337 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1020 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 168. Up to 6 conditions per place. [2023-11-19 05:05:56,545 INFO L119 LiptonReduction]: Number of co-enabled transitions 9724