./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/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_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/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 64bit --witnessprinter.graph.data.programhash a03274b44088171a51731c36d55f1a442c2d09c6ddb4f1c439b71ea1098e4d1d --- 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 23:34:33,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:34:33,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:34:33,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:34:33,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:34:33,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:34:33,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:34:33,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:34:33,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:34:33,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:34:33,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:34:33,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:34:33,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:34:33,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:34:33,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:34:33,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:34:33,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:34:33,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:34:33,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:34:33,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:34:33,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:34:33,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:34:33,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:34:33,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:34:33,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:34:33,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:34:33,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:34:33,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:34:33,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:34:33,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:34:33,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:34:33,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:34:33,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:34:33,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:34:33,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:34:33,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:34:33,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:34:33,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:34:33,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:34:33,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:34:33,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:34:33,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-25 23:34:33,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:34:33,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:34:33,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:34:33,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:34:33,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:34:33,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:34:33,682 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:34:33,682 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:34:33,682 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:34:33,683 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:34:33,684 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:34:33,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:34:33,685 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:34:33,685 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:34:33,685 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:34:33,686 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:34:33,686 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:34:33,686 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:34:33,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:34:33,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:34:33,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:34:33,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:34:33,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:34:33,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:34:33,689 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:34:33,689 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:34:33,689 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:34:33,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:34:33,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:34:33,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:34:33,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:34:33,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:34:33,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:34:33,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:34:33,692 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:34:33,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:34:33,692 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:34:33,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:34:33,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:34:33,693 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_4492ca32-6581-4a75-885b-bedf342af93e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03274b44088171a51731c36d55f1a442c2d09c6ddb4f1c439b71ea1098e4d1d [2022-11-25 23:34:34,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:34:34,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:34:34,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:34:34,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:34:34,114 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:34:34,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2022-11-25 23:34:37,369 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:34:37,907 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:34:37,909 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2022-11-25 23:34:37,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/data/4ae387135/6bcaa71702574ae199f7426d37149aab/FLAG8ee524d21 [2022-11-25 23:34:37,974 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/data/4ae387135/6bcaa71702574ae199f7426d37149aab [2022-11-25 23:34:37,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:34:37,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:34:37,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:34:37,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:34:37,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:34:37,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:34:37" (1/1) ... [2022-11-25 23:34:37,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f01568a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:37, skipping insertion in model container [2022-11-25 23:34:37,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:34:37" (1/1) ... [2022-11-25 23:34:38,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:34:38,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:34:39,867 WARN L623 FunctionHandler]: Unknown extern function umask [2022-11-25 23:34:39,869 WARN L623 FunctionHandler]: Unknown extern function umask [2022-11-25 23:34:39,870 WARN L623 FunctionHandler]: Unknown extern function umask [2022-11-25 23:34:39,871 WARN L623 FunctionHandler]: Unknown extern function mkdir [2022-11-25 23:34:39,874 WARN L623 FunctionHandler]: Unknown extern function stat [2022-11-25 23:34:39,878 WARN L623 FunctionHandler]: Unknown extern function chmod [2022-11-25 23:34:39,881 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:34:39,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@440e5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:39, skipping insertion in model container [2022-11-25 23:34:39,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:34:39,883 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:34:39,885 INFO L158 Benchmark]: Toolchain (without parser) took 1901.83ms. Allocated memory is still 140.5MB. Free memory was 102.9MB in the beginning and 70.3MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-25 23:34:39,886 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:34:39,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1897.54ms. Allocated memory is still 140.5MB. Free memory was 102.9MB in the beginning and 70.3MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-25 23:34:39,888 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 140.5MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1897.54ms. Allocated memory is still 140.5MB. Free memory was 102.9MB in the beginning and 70.3MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2569]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/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_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/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 64bit --witnessprinter.graph.data.programhash a03274b44088171a51731c36d55f1a442c2d09c6ddb4f1c439b71ea1098e4d1d --- 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 23:34:42,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:34:42,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:34:42,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:34:42,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:34:42,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:34:42,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:34:42,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:34:42,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:34:42,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:34:42,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:34:42,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:34:42,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:34:42,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:34:42,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:34:42,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:34:42,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:34:42,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:34:42,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:34:42,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:34:42,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:34:42,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:34:42,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:34:42,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:34:42,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:34:42,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:34:42,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:34:42,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:34:42,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:34:42,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:34:42,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:34:42,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:34:42,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:34:42,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:34:42,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:34:42,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:34:42,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:34:42,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:34:42,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:34:42,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:34:42,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:34:42,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-25 23:34:42,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:34:42,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:34:42,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:34:42,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:34:42,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:34:42,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:34:42,683 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:34:42,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:34:42,684 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:34:42,684 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:34:42,685 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:34:42,686 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:34:42,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:34:42,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:34:42,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:34:42,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:34:42,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:34:42,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:34:42,688 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:34:42,688 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:34:42,688 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:34:42,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:34:42,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:34:42,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:34:42,689 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:34:42,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:34:42,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:34:42,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:34:42,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:34:42,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:34:42,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:34:42,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:34:42,692 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:34:42,692 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:34:42,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:34:42,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:34:42,692 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_4492ca32-6581-4a75-885b-bedf342af93e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03274b44088171a51731c36d55f1a442c2d09c6ddb4f1c439b71ea1098e4d1d [2022-11-25 23:34:43,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:34:43,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:34:43,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:34:43,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:34:43,180 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:34:43,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2022-11-25 23:34:46,304 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:34:46,924 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:34:46,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2022-11-25 23:34:46,967 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/data/2b8322a26/772bb37980da4c4c8d80f9ae43df7f0d/FLAG38d70fcc3 [2022-11-25 23:34:46,995 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4492ca32-6581-4a75-885b-bedf342af93e/bin/utaipan-ByfvJB40ur/data/2b8322a26/772bb37980da4c4c8d80f9ae43df7f0d [2022-11-25 23:34:46,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:34:46,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:34:47,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:34:47,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:34:47,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:34:47,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:34:46" (1/1) ... [2022-11-25 23:34:47,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6772b3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:47, skipping insertion in model container [2022-11-25 23:34:47,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:34:46" (1/1) ... [2022-11-25 23:34:47,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:34:47,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:34:48,659 WARN L623 FunctionHandler]: Unknown extern function umask [2022-11-25 23:34:48,663 WARN L623 FunctionHandler]: Unknown extern function umask [2022-11-25 23:34:48,665 WARN L623 FunctionHandler]: Unknown extern function umask [2022-11-25 23:34:48,666 WARN L623 FunctionHandler]: Unknown extern function mkdir [2022-11-25 23:34:48,673 WARN L623 FunctionHandler]: Unknown extern function stat [2022-11-25 23:34:48,679 WARN L623 FunctionHandler]: Unknown extern function chmod [2022-11-25 23:34:48,685 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:34:48,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b4371cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:34:48, skipping insertion in model container [2022-11-25 23:34:48,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:34:48,687 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:34:48,689 INFO L158 Benchmark]: Toolchain (without parser) took 1688.64ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.1MB in the beginning and 70.6MB in the end (delta: -24.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-25 23:34:48,690 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:34:48,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1684.02ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.1MB in the beginning and 70.6MB in the end (delta: -24.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-25 23:34:48,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1684.02ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.1MB in the beginning and 70.6MB in the end (delta: -24.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2569]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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