./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 567bc0d233f0722a72697eacc5a2cb236f12fd3a .......................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:35:52,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:35:52,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:35:52,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:35:52,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:35:52,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:35:52,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:35:52,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:35:52,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:35:52,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:35:52,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:35:52,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:35:52,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:35:52,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:35:52,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:35:52,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:35:52,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:35:52,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:35:52,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:35:52,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:35:52,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:35:52,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:35:52,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:35:52,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:35:52,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:35:52,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:35:52,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:35:52,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:35:52,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:35:52,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:35:52,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:35:52,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:35:52,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:35:52,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:35:52,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:35:52,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:35:52,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:35:52,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:35:52,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:35:52,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:35:52,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:35:52,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2019-11-26 02:35:52,992 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:35:52,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:35:52,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:35:52,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:35:52,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:35:52,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:35:52,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:35:52,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:35:52,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:35:52,994 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:35:52,994 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:35:52,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:35:52,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:35:52,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:35:52,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:35:52,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:35:52,995 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:35:52,996 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:35:52,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:35:52,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:35:52,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:35:52,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:35:52,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:35:52,997 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:35:52,997 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:35:52,997 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-26 02:35:52,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:35:52,997 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak 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 -> Kojak 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 -> 567bc0d233f0722a72697eacc5a2cb236f12fd3a [2019-11-26 02:35:53,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:35:53,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:35:53,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:35:53,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:35:53,154 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:35:53,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2019-11-26 02:35:53,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/data/94e15ca11/0d5ba84e7aab4ad9833d4f72ac579a28/FLAGef3e984b6 [2019-11-26 02:35:53,813 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:35:53,814 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2019-11-26 02:35:53,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/data/94e15ca11/0d5ba84e7aab4ad9833d4f72ac579a28/FLAGef3e984b6 [2019-11-26 02:35:53,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a39f5ec2-9b31-494f-988a-8d968f432f82/bin/ukojak/data/94e15ca11/0d5ba84e7aab4ad9833d4f72ac579a28 [2019-11-26 02:35:53,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:35:53,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:35:53,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:35:53,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:35:53,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:35:53,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:35:53" (1/1) ... [2019-11-26 02:35:53,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf08d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:53, skipping insertion in model container [2019-11-26 02:35:53,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:35:53" (1/1) ... [2019-11-26 02:35:53,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:35:54,070 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:35:55,109 ERROR L323 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2019-11-26 02:35:55,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@345cc9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:55, skipping insertion in model container [2019-11-26 02:35:55,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:35:55,110 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 02:35:55,113 INFO L168 Benchmark]: Toolchain (without parser) took 1130.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:55,113 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:35:55,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1127.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:35:55,116 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1127.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1857]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...