./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:57:42,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:57:42,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:57:42,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:57:42,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:57:42,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:57:43,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:57:43,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:57:43,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:57:43,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:57:43,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:57:43,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:57:43,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:57:43,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:57:43,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:57:43,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:57:43,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:57:43,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:57:43,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:57:43,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:57:43,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:57:43,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:57:43,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:57:43,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:57:43,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:57:43,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:57:43,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:57:43,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:57:43,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:57:43,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:57:43,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:57:43,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:57:43,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:57:43,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:57:43,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:57:43,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:57:43,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:57:43,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:57:43,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:57:43,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:57:43,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:57:43,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-26 00:57:43,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:57:43,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:57:43,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:57:43,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:57:43,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:57:43,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:57:43,118 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:57:43,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:57:43,119 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:57:43,119 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:57:43,119 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:57:43,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:57:43,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:57:43,120 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:57:43,120 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:57:43,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:57:43,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:57:43,120 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:57:43,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:57:43,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:57:43,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:57:43,122 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:57:43,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:57:43,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:57:43,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:57:43,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:57:43,127 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:57:43,127 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:57:43,128 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:57:43,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:57:43,128 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:57:43,129 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:57:43,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:57:43,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:57:43,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:57:43,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:43,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:57:43,131 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:57:43,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:57:43,131 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:57:43,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:57:43,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:57:43,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2022-11-26 00:57:43,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:57:43,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:57:43,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:57:43,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:57:43,494 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:57:43,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2022-11-26 00:57:46,610 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:57:46,978 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:57:46,986 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2022-11-26 00:57:47,016 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/data/0aba6dfdf/c939e32b36f04171a3a3ac7b44568173/FLAG9f2628c12 [2022-11-26 00:57:47,036 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/data/0aba6dfdf/c939e32b36f04171a3a3ac7b44568173 [2022-11-26 00:57:47,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:57:47,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:57:47,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:47,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:57:47,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:57:47,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:47" (1/1) ... [2022-11-26 00:57:47,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780fb2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:47, skipping insertion in model container [2022-11-26 00:57:47,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:47" (1/1) ... [2022-11-26 00:57:47,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:57:47,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:47,304 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:47,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2022-11-26 00:57:47,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:47,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:47,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:47,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:47,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:47,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:47,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:47,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:47,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:47,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:47,904 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:47,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:47,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:47,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:47,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:47,952 ERROR L326 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) [2022-11-26 00:57:47,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7646dc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:47, skipping insertion in model container [2022-11-26 00:57:47,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:47,955 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:57:47,957 INFO L158 Benchmark]: Toolchain (without parser) took 912.62ms. Allocated memory is still 163.6MB. Free memory was 127.5MB in the beginning and 122.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-26 00:57:47,958 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 91.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:47,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.10ms. Allocated memory is still 163.6MB. Free memory was 127.5MB in the beginning and 122.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-26 00:57:47,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 91.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.10ms. Allocated memory is still 163.6MB. Free memory was 127.5MB in the beginning and 122.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. 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_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:57:50,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:57:50,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:57:50,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:57:50,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:57:50,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:57:50,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:57:50,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:57:50,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:57:50,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:57:50,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:57:50,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:57:50,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:57:50,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:57:50,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:57:50,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:57:50,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:57:50,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:57:50,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:57:50,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:57:50,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:57:50,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:57:50,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:57:50,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:57:50,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:57:50,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:57:50,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:57:50,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:57:50,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:57:50,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:57:50,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:57:50,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:57:50,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:57:50,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:57:50,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:57:50,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:57:50,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:57:50,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:57:50,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:57:50,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:57:50,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:57:50,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-26 00:57:50,419 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:57:50,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:57:50,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:57:50,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:57:50,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:57:50,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:57:50,421 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:57:50,421 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:57:50,421 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:57:50,421 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:57:50,422 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:57:50,422 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:57:50,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:57:50,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:57:50,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:57:50,423 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:57:50,423 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:57:50,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:57:50,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:57:50,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:57:50,424 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:57:50,424 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:57:50,424 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:57:50,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:57:50,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:57:50,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:57:50,425 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:57:50,425 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:57:50,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:57:50,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:57:50,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:57:50,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:57:50,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:50,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:57:50,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:57:50,427 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:57:50,427 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:57:50,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:57:50,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:57:50,428 INFO L138 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_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2022-11-26 00:57:50,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:57:50,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:57:50,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:57:50,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:57:50,866 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:57:50,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2022-11-26 00:57:53,978 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:57:54,393 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:57:54,395 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2022-11-26 00:57:54,419 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/data/d3b33b7c1/5eead2990e1f4f35ac611f509507e9d3/FLAG0d3f075b2 [2022-11-26 00:57:54,439 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/data/d3b33b7c1/5eead2990e1f4f35ac611f509507e9d3 [2022-11-26 00:57:54,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:57:54,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:57:54,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:54,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:57:54,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:57:54,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:54" (1/1) ... [2022-11-26 00:57:54,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6fc57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:54, skipping insertion in model container [2022-11-26 00:57:54,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:54" (1/1) ... [2022-11-26 00:57:54,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:57:54,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:54,675 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:55,297 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2022-11-26 00:57:55,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:55,362 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-26 00:57:55,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:55,393 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:55,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2022-11-26 00:57:55,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,424 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,424 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,425 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,425 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,432 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:55,444 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:57:55,458 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:55,490 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2022-11-26 00:57:55,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:57:55,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:57:55,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:55,688 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:57:55,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55 WrapperNode [2022-11-26 00:57:55,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:55,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:55,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:57:55,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:57:55,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,771 INFO L138 Inliner]: procedures = 473, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 141 [2022-11-26 00:57:55,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:55,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:57:55,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:57:55,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:57:55,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:57:55,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:57:55,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:57:55,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:57:55,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (1/1) ... [2022-11-26 00:57:55,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:55,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:55,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:57:55,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d7831e3-1ccb-43f5-a1f6-2e17fb26705e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:57:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:57:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:57:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:57:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 00:57:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:57:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-26 00:57:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:57:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:57:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:57:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:57:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:57:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-26 00:57:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-26 00:57:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:57:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:57:55,952 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:57:56,359 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:57:56,361 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:57:57,050 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:57:57,109 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:57:57,109 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:57:57,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:57 BoogieIcfgContainer [2022-11-26 00:57:57,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:57:57,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:57:57,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:57:57,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:57:57,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:57:54" (1/3) ... [2022-11-26 00:57:57,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6b005e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:57, skipping insertion in model container [2022-11-26 00:57:57,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:55" (2/3) ... [2022-11-26 00:57:57,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6b005e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:57, skipping insertion in model container [2022-11-26 00:57:57,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:57" (3/3) ... [2022-11-26 00:57:57,120 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2022-11-26 00:57:57,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:57:57,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2022-11-26 00:57:57,139 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:57:57,232 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-26 00:57:57,265 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:57:57,280 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 225 transitions, 466 flow [2022-11-26 00:57:57,283 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 225 transitions, 466 flow [2022-11-26 00:57:57,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 225 places, 225 transitions, 466 flow [2022-11-26 00:57:57,405 INFO L130 PetriNetUnfolder]: 8/282 cut-off events. [2022-11-26 00:57:57,405 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-26 00:57:57,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 282 events. 8/282 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 723 event pairs, 0 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 142. Up to 4 conditions per place. [2022-11-26 00:57:57,416 INFO L119 LiptonReduction]: Number of co-enabled transitions 6612 [2022-11-26 00:58:53,199 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 112 DAG size of output: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:59:01,984 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 112 DAG size of output: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:00:14,428 WARN L233 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 133 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:00:25,051 WARN L233 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 133 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:00:53,852 WARN L233 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:00:59,059 WARN L233 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:02:20,396 WARN L233 SmtUtils]: Spent 50.22s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:02:59,498 WARN L233 SmtUtils]: Spent 39.10s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:03:56,431 WARN L233 SmtUtils]: Spent 56.93s on a formula simplification that was a NOOP. DAG size: 186 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:04:43,461 WARN L233 SmtUtils]: Spent 47.03s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:05:21,082 WARN L233 SmtUtils]: Spent 37.25s on a formula simplification. DAG size of input: 213 DAG size of output: 212 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:05:38,742 WARN L233 SmtUtils]: Spent 17.66s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:06:34,439 WARN L233 SmtUtils]: Spent 55.69s on a formula simplification. DAG size of input: 213 DAG size of output: 212 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:07:03,480 WARN L233 SmtUtils]: Spent 29.04s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:10:18,189 WARN L233 SmtUtils]: Spent 3.24m on a formula simplification. DAG size of input: 254 DAG size of output: 246 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:11:49,632 WARN L233 SmtUtils]: Spent 1.52m on a formula simplification that was a NOOP. DAG size: 242 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)