./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/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_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/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_3cad5c4e-983a-4ad6-a243-d6173ab3b253/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 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- 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 [2022-11-25 23:27:55,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:27:55,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:27:55,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:27:55,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:27:55,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:27:55,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:27:55,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:27:55,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:27:55,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:27:55,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:27:55,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:27:55,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:27:55,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:27:55,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:27:55,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:27:55,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:27:55,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:27:55,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:27:55,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:27:55,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:27:55,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:27:55,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:27:55,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:27:55,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:27:55,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:27:55,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:27:55,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:27:55,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:27:55,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:27:55,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:27:55,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:27:55,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:27:55,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:27:55,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:27:55,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:27:55,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:27:55,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:27:55,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:27:55,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:27:55,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:27:55,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-25 23:27:56,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:27:56,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:27:56,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:27:56,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:27:56,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:27:56,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:27:56,020 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:27:56,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:27:56,020 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:27:56,020 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:27:56,022 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:27:56,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:27:56,022 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:27:56,022 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:27:56,023 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:27:56,023 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:27:56,023 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:27:56,023 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:27:56,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:27:56,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:27:56,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:27:56,025 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:27:56,025 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:27:56,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:27:56,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:27:56,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:27:56,026 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:27:56,027 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:27:56,027 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:27:56,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:27:56,028 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:27:56,028 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:27:56,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:27:56,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:27:56,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:27:56,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:27:56,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:27:56,029 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:27:56,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:27:56,030 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:27:56,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:27:56,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:27:56,030 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_3cad5c4e-983a-4ad6-a243-d6173ab3b253/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-11-25 23:27:56,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:27:56,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:27:56,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:27:56,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:27:56,344 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:27:56,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-25 23:27:59,389 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:27:59,740 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:27:59,741 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-25 23:27:59,756 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/data/c4d65a255/34a022d8c4854946b45578f22759fdbe/FLAGd0cb033d6 [2022-11-25 23:27:59,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/data/c4d65a255/34a022d8c4854946b45578f22759fdbe [2022-11-25 23:27:59,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:27:59,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:27:59,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:27:59,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:27:59,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:27:59,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:27:59" (1/1) ... [2022-11-25 23:27:59,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3614d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:27:59, skipping insertion in model container [2022-11-25 23:27:59,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:27:59" (1/1) ... [2022-11-25 23:27:59,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:27:59,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:28:00,038 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_3cad5c4e-983a-4ad6-a243-d6173ab3b253/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-11-25 23:28:00,471 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-11-25 23:28:00,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b09c280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:00, skipping insertion in model container [2022-11-25 23:28:00,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:28:00,472 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:28:00,474 INFO L158 Benchmark]: Toolchain (without parser) took 690.33ms. Allocated memory is still 174.1MB. Free memory was 141.3MB in the beginning and 125.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:28:00,474 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:28:00,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.02ms. Allocated memory is still 174.1MB. Free memory was 140.7MB in the beginning and 125.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:28:00,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.02ms. Allocated memory is still 174.1MB. Free memory was 140.7MB in the beginning and 125.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/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_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/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_3cad5c4e-983a-4ad6-a243-d6173ab3b253/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 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 --- 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 [2022-11-25 23:28:02,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:28:02,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:28:02,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:28:02,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:28:02,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:28:02,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:28:02,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:28:02,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:28:02,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:28:02,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:28:02,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:28:02,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:28:02,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:28:02,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:28:02,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:28:02,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:28:02,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:28:02,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:28:02,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:28:02,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:28:02,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:28:02,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:28:02,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:28:02,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:28:02,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:28:02,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:28:02,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:28:02,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:28:02,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:28:02,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:28:02,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:28:02,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:28:02,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:28:02,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:28:02,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:28:03,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:28:03,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:28:03,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:28:03,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:28:03,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:28:03,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-25 23:28:03,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:28:03,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:28:03,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:28:03,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:28:03,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:28:03,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:28:03,049 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:28:03,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:28:03,049 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:28:03,050 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:28:03,051 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:28:03,051 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:28:03,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:28:03,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:28:03,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:28:03,053 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:28:03,053 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:28:03,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:28:03,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:28:03,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:28:03,054 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:28:03,054 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:28:03,055 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:28:03,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:28:03,055 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:28:03,055 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:28:03,056 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:28:03,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:28:03,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:28:03,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:28:03,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:28:03,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:28:03,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:28:03,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:28:03,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:28:03,059 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:28:03,059 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:28:03,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:28:03,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:28:03,060 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_3cad5c4e-983a-4ad6-a243-d6173ab3b253/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-11-25 23:28:03,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:28:03,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:28:03,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:28:03,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:28:03,485 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:28:03,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-25 23:28:06,808 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:28:07,146 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:28:07,147 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-25 23:28:07,163 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/data/ae5742f92/e2acea84c3954c6681e2d56723439dfa/FLAGae79956f1 [2022-11-25 23:28:07,183 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cad5c4e-983a-4ad6-a243-d6173ab3b253/bin/utaipan-ByfvJB40ur/data/ae5742f92/e2acea84c3954c6681e2d56723439dfa [2022-11-25 23:28:07,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:28:07,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:28:07,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:28:07,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:28:07,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:28:07,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:28:07" (1/1) ... [2022-11-25 23:28:07,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0143e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:07, skipping insertion in model container [2022-11-25 23:28:07,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:28:07" (1/1) ... [2022-11-25 23:28:07,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:28:07,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:28:07,439 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_3cad5c4e-983a-4ad6-a243-d6173ab3b253/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-11-25 23:28:07,878 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-11-25 23:28:07,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a75ff25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:28:07, skipping insertion in model container [2022-11-25 23:28:07,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:28:07,880 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:28:07,882 INFO L158 Benchmark]: Toolchain (without parser) took 693.85ms. Allocated memory is still 75.5MB. Free memory was 48.3MB in the beginning and 49.3MB in the end (delta: -1.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-11-25 23:28:07,882 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:28:07,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.38ms. Allocated memory is still 75.5MB. Free memory was 48.1MB in the beginning and 49.3MB in the end (delta: -1.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-11-25 23:28:07,885 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 54.5MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.38ms. Allocated memory is still 75.5MB. Free memory was 48.1MB in the beginning and 49.3MB in the end (delta: -1.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1369]: Unsupported Syntax Unsupported function: pthread_attr_init RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN