./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 b5237d83 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_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/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_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:23:06,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:23:06,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:23:06,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:23:06,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:23:06,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:23:06,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:23:06,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:23:06,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:23:06,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:23:06,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:23:06,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:23:06,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:23:06,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:23:06,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:23:06,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:23:06,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:23:06,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:23:06,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:23:06,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:23:06,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:23:06,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:23:06,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:23:06,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:23:06,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:23:06,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:23:06,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:23:06,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:23:06,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:23:06,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:23:06,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:23:06,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:23:06,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:23:06,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:23:06,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:23:06,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:23:06,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:23:06,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:23:06,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:23:06,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:23:06,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:23:06,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-22 01:23:07,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:23:07,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:23:07,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:23:07,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:23:07,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:23:07,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:23:07,024 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:23:07,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:23:07,024 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:23:07,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:23:07,025 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:23:07,026 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:23:07,026 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:23:07,026 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:23:07,026 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:23:07,027 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:23:07,027 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:23:07,027 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:23:07,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 01:23:07,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 01:23:07,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:23:07,029 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:23:07,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:23:07,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:23:07,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:23:07,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:23:07,030 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 01:23:07,031 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 01:23:07,031 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 01:23:07,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:23:07,031 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:23:07,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:23:07,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:23:07,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:23:07,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:23:07,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:23:07,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:23:07,033 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:23:07,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:23:07,034 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:23:07,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:23:07,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:23:07,034 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_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-11-22 01:23:07,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:23:07,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:23:07,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:23:07,349 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:23:07,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:23:07,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-22 01:23:10,540 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:23:10,904 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:23:10,905 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-22 01:23:10,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/data/e7793910c/ef1dc9f3096449f59bbe414100ce85ec/FLAG3b4b8c107 [2022-11-22 01:23:10,940 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/data/e7793910c/ef1dc9f3096449f59bbe414100ce85ec [2022-11-22 01:23:10,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:23:10,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:23:10,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:23:10,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:23:10,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:23:10,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:23:10" (1/1) ... [2022-11-22 01:23:10,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612aeedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:10, skipping insertion in model container [2022-11-22 01:23:10,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:23:10" (1/1) ... [2022-11-22 01:23:10,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:23:11,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:23:11,183 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_bf83dbfd-eac3-435a-b18e-2e77338d385e/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-11-22 01:23:11,628 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-11-22 01:23:11,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32cd6479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:11, skipping insertion in model container [2022-11-22 01:23:11,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:23:11,629 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:23:11,631 INFO L158 Benchmark]: Toolchain (without parser) took 685.48ms. Allocated memory is still 182.5MB. Free memory was 148.6MB in the beginning and 132.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:23:11,632 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:23:11,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.00ms. Allocated memory is still 182.5MB. Free memory was 148.6MB in the beginning and 132.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:23:11,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.00ms. Allocated memory is still 182.5MB. Free memory was 148.6MB in the beginning and 132.9MB in the end (delta: 15.7MB). 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_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/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_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:23:13,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:23:13,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:23:13,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:23:13,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:23:13,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:23:13,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:23:13,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:23:13,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:23:13,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:23:13,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:23:13,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:23:13,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:23:13,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:23:13,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:23:13,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:23:13,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:23:13,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:23:13,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:23:13,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:23:13,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:23:13,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:23:13,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:23:13,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:23:13,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:23:13,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:23:13,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:23:13,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:23:13,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:23:13,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:23:13,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:23:13,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:23:13,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:23:13,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:23:13,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:23:13,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:23:13,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:23:13,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:23:13,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:23:13,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:23:13,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:23:13,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-22 01:23:14,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:23:14,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:23:14,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:23:14,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:23:14,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:23:14,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:23:14,019 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:23:14,019 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:23:14,019 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:23:14,020 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:23:14,020 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:23:14,020 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:23:14,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 01:23:14,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 01:23:14,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:23:14,022 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:23:14,023 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:23:14,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:23:14,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:23:14,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:23:14,024 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 01:23:14,024 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 01:23:14,024 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 01:23:14,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:23:14,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:23:14,025 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:23:14,025 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:23:14,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:23:14,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:23:14,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:23:14,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:23:14,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:23:14,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:23:14,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:23:14,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:23:14,028 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:23:14,028 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:23:14,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:23:14,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:23:14,029 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_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b7e77d93c189e6cf0c800b98695aaeb3cd6c5d5cdcba8cc401c4aa43960d01 [2022-11-22 01:23:14,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:23:14,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:23:14,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:23:14,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:23:14,396 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:23:14,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-22 01:23:17,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:23:17,831 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:23:17,831 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i [2022-11-22 01:23:17,853 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/data/3c030463e/78153eb674544b9985c3cc4139c1b08e/FLAG1aa46be97 [2022-11-22 01:23:17,874 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf83dbfd-eac3-435a-b18e-2e77338d385e/bin/utaipan-g80aRyZoba/data/3c030463e/78153eb674544b9985c3cc4139c1b08e [2022-11-22 01:23:17,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:23:17,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:23:17,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:23:17,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:23:17,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:23:17,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:23:17" (1/1) ... [2022-11-22 01:23:17,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66310376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:17, skipping insertion in model container [2022-11-22 01:23:17,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:23:17" (1/1) ... [2022-11-22 01:23:17,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:23:17,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:23:18,192 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_bf83dbfd-eac3-435a-b18e-2e77338d385e/sv-benchmarks/c/pthread-C-DAC/pthread-finding-k-matches.i[820,833] [2022-11-22 01:23:18,671 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: pthread_attr_init [2022-11-22 01:23:18,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2440342a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:18, skipping insertion in model container [2022-11-22 01:23:18,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:23:18,672 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:23:18,675 INFO L158 Benchmark]: Toolchain (without parser) took 796.01ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 29.1MB in the beginning and 63.2MB in the end (delta: -34.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-22 01:23:18,675 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:23:18,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.63ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 28.9MB in the beginning and 63.2MB in the end (delta: -34.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-22 01:23:18,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.63ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 28.9MB in the beginning and 63.2MB in the end (delta: -34.3MB). Peak memory consumption was 8.1MB. 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