./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7 --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 f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:31:35,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:31:35,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:31:35,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:31:35,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:31:35,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:31:35,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:31:35,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:31:35,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:31:35,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:31:35,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:31:35,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:31:35,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:31:35,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:31:35,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:31:35,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:31:35,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:31:35,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:31:35,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:31:35,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:31:35,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:31:35,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:31:35,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:31:35,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:31:35,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:31:35,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:31:35,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:31:35,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:31:35,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:31:35,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:31:35,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:31:35,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:31:35,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:31:35,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:31:35,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:31:35,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:31:35,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:31:35,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:31:36,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:31:36,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:31:36,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:31:36,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 20:31:36,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:31:36,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:31:36,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:31:36,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:31:36,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:31:36,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:31:36,043 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:31:36,044 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:31:36,044 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:31:36,044 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:31:36,045 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:31:36,045 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:31:36,045 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:31:36,046 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:31:36,046 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:31:36,046 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:31:36,046 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:31:36,047 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:31:36,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 20:31:36,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 20:31:36,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:31:36,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:31:36,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:31:36,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:31:36,050 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 20:31:36,050 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 20:31:36,050 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 20:31:36,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:31:36,051 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:31:36,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:31:36,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:31:36,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:31:36,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:31:36,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:31:36,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:31:36,053 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:31:36,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:31:36,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:31:36,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:31:36,053 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 [2021-11-25 20:31:36,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:31:36,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:31:36,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:31:36,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:31:36,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:31:36,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-11-25 20:31:36,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data/78c189295/b69539bb32264302991b862ad4e861d7/FLAGdacddd9ea [2021-11-25 20:31:37,154 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:31:37,155 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-11-25 20:31:37,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data/78c189295/b69539bb32264302991b862ad4e861d7/FLAGdacddd9ea [2021-11-25 20:31:37,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data/78c189295/b69539bb32264302991b862ad4e861d7 [2021-11-25 20:31:37,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:31:37,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:31:37,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:31:37,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:31:37,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:31:37,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:31:37" (1/1) ... [2021-11-25 20:31:37,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30491d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:31:37, skipping insertion in model container [2021-11-25 20:31:37,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:31:37" (1/1) ... [2021-11-25 20:31:37,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:31:37,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:31:38,604 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 20:31:38,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@715ece94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:31:38, skipping insertion in model container [2021-11-25 20:31:38,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:31:38,617 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 20:31:38,619 INFO L158 Benchmark]: Toolchain (without parser) took 1313.39ms. Allocated memory is still 104.9MB. Free memory was 68.6MB in the beginning and 46.8MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-25 20:31:38,620 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:31:38,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.70ms. Allocated memory is still 104.9MB. Free memory was 68.3MB in the beginning and 46.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-25 20:31:38,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.70ms. Allocated memory is still 104.9MB. Free memory was 68.3MB in the beginning and 46.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7 --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 f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:31:40,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:31:40,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:31:40,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:31:40,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:31:40,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:31:40,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:31:40,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:31:40,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:31:40,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:31:40,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:31:40,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:31:40,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:31:40,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:31:40,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:31:40,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:31:40,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:31:40,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:31:40,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:31:40,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:31:40,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:31:40,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:31:40,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:31:40,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:31:40,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:31:40,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:31:40,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:31:40,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:31:40,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:31:40,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:31:40,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:31:40,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:31:40,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:31:40,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:31:40,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:31:40,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:31:40,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:31:40,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:31:40,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:31:40,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:31:40,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:31:40,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 20:31:40,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:31:40,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:31:40,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:31:40,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:31:40,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:31:40,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:31:40,976 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:31:40,977 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:31:40,977 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:31:40,977 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:31:40,977 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:31:40,977 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:31:40,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 20:31:40,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 20:31:40,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:31:40,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:31:40,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:31:40,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:31:40,979 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 20:31:40,979 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 20:31:40,979 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 20:31:40,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:31:40,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 20:31:40,979 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 20:31:40,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 20:31:40,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:31:40,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:31:40,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 20:31:40,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:31:40,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:31:40,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:31:40,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:31:40,981 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 20:31:40,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 20:31:40,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:31:40,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:31:40,981 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_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 [2021-11-25 20:31:41,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:31:41,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:31:41,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:31:41,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:31:41,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:31:41,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-11-25 20:31:41,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data/36a6ea15a/76bda070f5a746aeb27d0a0c5b5ad919/FLAGa5882e8b5 [2021-11-25 20:31:42,279 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:31:42,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2021-11-25 20:31:42,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data/36a6ea15a/76bda070f5a746aeb27d0a0c5b5ad919/FLAGa5882e8b5 [2021-11-25 20:31:42,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040f263a-d4f2-4524-a7db-15ea0a8a73db/bin/utaipan-eEHZpOm5b7/data/36a6ea15a/76bda070f5a746aeb27d0a0c5b5ad919 [2021-11-25 20:31:42,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:31:42,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:31:42,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:31:42,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:31:42,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:31:42,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:31:42" (1/1) ... [2021-11-25 20:31:42,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ac98cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:31:42, skipping insertion in model container [2021-11-25 20:31:42,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:31:42" (1/1) ... [2021-11-25 20:31:42,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:31:42,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:31:43,771 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 20:31:43,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41d2aaf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:31:43, skipping insertion in model container [2021-11-25 20:31:43,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:31:43,772 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 20:31:43,774 INFO L158 Benchmark]: Toolchain (without parser) took 1310.28ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 24.8MB in the beginning and 45.2MB in the end (delta: -20.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-25 20:31:43,775 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:31:43,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1307.65ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 24.6MB in the beginning and 45.2MB in the end (delta: -20.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-25 20:31:43,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1307.65ms. Allocated memory was 52.4MB in the beginning and 73.4MB in the end (delta: 21.0MB). Free memory was 24.6MB in the beginning and 45.2MB in the end (delta: -20.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: 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