./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 6b4ec56b 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_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/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_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9 --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-6b4ec56 [2022-11-20 21:26:13,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:26:13,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:26:13,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:26:13,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:26:13,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:26:13,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:26:13,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:26:13,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:26:13,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:26:13,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:26:13,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:26:13,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:26:13,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:26:13,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:26:13,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:26:13,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:26:13,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:26:13,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:26:13,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:26:13,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:26:13,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:26:13,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:26:13,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:26:13,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:26:13,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:26:13,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:26:13,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:26:13,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:26:13,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:26:13,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:26:13,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:26:13,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:26:13,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:26:13,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:26:13,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:26:13,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:26:13,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:26:13,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:26:13,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:26:13,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:26:13,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-20 21:26:13,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:26:13,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:26:13,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:26:13,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:26:13,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:26:13,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:26:13,947 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:26:13,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:26:13,947 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:26:13,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:26:13,949 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:26:13,949 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:26:13,949 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:26:13,949 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:26:13,950 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:26:13,950 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:26:13,950 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:26:13,950 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:26:13,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 21:26:13,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 21:26:13,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:26:13,952 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:26:13,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:26:13,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:26:13,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:26:13,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:26:13,954 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 21:26:13,954 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 21:26:13,954 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 21:26:13,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:26:13,955 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:26:13,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:26:13,955 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:26:13,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:26:13,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:26:13,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:26:13,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:26:13,957 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:26:13,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:26:13,957 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:26:13,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:26:13,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:26:13,958 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_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-11-20 21:26:14,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:26:14,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:26:14,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:26:14,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:26:14,275 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:26:14,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-20 21:26:17,292 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:26:17,660 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:26:17,660 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-20 21:26:17,681 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/data/efb801342/b3fa7e85559b49bb971ab2887e078cca/FLAG8d5ad68b3 [2022-11-20 21:26:17,698 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/data/efb801342/b3fa7e85559b49bb971ab2887e078cca [2022-11-20 21:26:17,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:26:17,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:26:17,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:26:17,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:26:17,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:26:17,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:26:17" (1/1) ... [2022-11-20 21:26:17,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277c9cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:17, skipping insertion in model container [2022-11-20 21:26:17,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:26:17" (1/1) ... [2022-11-20 21:26:17,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:26:17,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:26:17,952 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_1c68d407-2213-4e6b-a412-d575ee08c809/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-11-20 21:26:18,335 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-11-20 21:26:18,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@609a3d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:18, skipping insertion in model container [2022-11-20 21:26:18,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:26:18,336 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 21:26:18,338 INFO L158 Benchmark]: Toolchain (without parser) took 632.92ms. Allocated memory is still 134.2MB. Free memory was 88.6MB in the beginning and 72.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 21:26:18,339 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:26:18,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.20ms. Allocated memory is still 134.2MB. Free memory was 88.6MB in the beginning and 72.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 21:26:18,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.20ms. Allocated memory is still 134.2MB. Free memory was 88.6MB in the beginning and 72.8MB in the end (delta: 15.8MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/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_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9 --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-6b4ec56 [2022-11-20 21:26:20,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:26:20,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:26:20,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:26:20,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:26:20,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:26:20,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:26:20,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:26:20,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:26:20,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:26:20,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:26:20,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:26:20,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:26:20,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:26:20,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:26:20,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:26:20,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:26:20,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:26:20,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:26:20,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:26:20,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:26:20,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:26:20,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:26:20,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:26:20,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:26:20,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:26:20,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:26:20,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:26:20,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:26:20,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:26:20,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:26:20,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:26:20,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:26:20,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:26:20,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:26:20,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:26:20,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:26:20,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:26:20,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:26:20,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:26:20,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:26:20,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-20 21:26:20,797 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:26:20,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:26:20,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:26:20,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:26:20,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:26:20,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:26:20,800 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:26:20,800 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:26:20,801 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:26:20,801 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:26:20,802 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:26:20,803 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:26:20,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 21:26:20,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 21:26:20,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:26:20,805 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:26:20,805 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:26:20,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:26:20,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:26:20,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:26:20,806 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 21:26:20,806 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 21:26:20,807 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 21:26:20,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:26:20,807 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:26:20,808 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:26:20,808 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:26:20,808 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:26:20,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:26:20,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:26:20,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:26:20,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:26:20,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:26:20,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:26:20,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:26:20,811 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:26:20,811 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:26:20,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:26:20,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:26:20,812 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_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-11-20 21:26:21,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:26:21,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:26:21,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:26:21,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:26:21,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:26:21,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-20 21:26:24,275 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:26:24,609 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:26:24,610 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-20 21:26:24,624 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/data/56cc83f64/9ceec0039d414131aa2d604a1fd46197/FLAGb6d3ec774 [2022-11-20 21:26:24,644 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c68d407-2213-4e6b-a412-d575ee08c809/bin/utaipan-6cKwYrpEi9/data/56cc83f64/9ceec0039d414131aa2d604a1fd46197 [2022-11-20 21:26:24,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:26:24,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:26:24,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:26:24,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:26:24,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:26:24,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:26:24" (1/1) ... [2022-11-20 21:26:24,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b823c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:24, skipping insertion in model container [2022-11-20 21:26:24,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:26:24" (1/1) ... [2022-11-20 21:26:24,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:26:24,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:26:24,973 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_1c68d407-2213-4e6b-a412-d575ee08c809/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-11-20 21:26:25,471 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-11-20 21:26:25,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a37b11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:26:25, skipping insertion in model container [2022-11-20 21:26:25,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:26:25,473 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 21:26:25,474 INFO L158 Benchmark]: Toolchain (without parser) took 825.16ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 47.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 21:26:25,475 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:26:25,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 821.10ms. Allocated memory is still 83.9MB. Free memory was 63.2MB in the beginning and 47.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 21:26:25,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 821.10ms. Allocated memory is still 83.9MB. Free memory was 63.2MB in the beginning and 47.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. 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