./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan --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 7a1a46a65403deca33ed3628f9f5b1d5abad7635 .......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan --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 7a1a46a65403deca33ed3628f9f5b1d5abad7635 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:27:21,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:27:21,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:27:21,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:27:21,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:27:21,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:27:21,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:27:21,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:27:21,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:27:21,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:27:21,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:27:21,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:27:21,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:27:21,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:27:21,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:27:21,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:27:21,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:27:21,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:27:21,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:27:21,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:27:21,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:27:21,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:27:21,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:27:21,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:27:21,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:27:21,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:27:21,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:27:21,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:27:21,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:27:21,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:27:21,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:27:21,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:27:21,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:27:21,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:27:21,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:27:21,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:27:21,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:27:21,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:27:21,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:27:21,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:27:21,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:27:21,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:27:21,878 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:27:21,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:27:21,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:27:21,880 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:27:21,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:27:21,881 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:27:21,881 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:27:21,881 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:27:21,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:27:21,882 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:27:21,883 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:27:21,883 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:27:21,883 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:27:21,884 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:27:21,884 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:27:21,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:27:21,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:27:21,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:27:21,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:27:21,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:27:21,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:27:21,886 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:27:21,886 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:27:21,887 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:27:21,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:27:21,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:27:21,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:27:21,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:27:21,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:27:21,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:27:21,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:27:21,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:27:21,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:27:21,891 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:27:21,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:27:21,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:27:21,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:27:21,892 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-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a1a46a65403deca33ed3628f9f5b1d5abad7635 [2020-11-28 07:27:22,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:27:22,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:27:22,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:27:22,216 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:27:22,216 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:27:22,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/touch-2.i [2020-11-28 07:27:22,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data/afec9311f/3daa1e100ed24d62a8c0edfbb6807ec1/FLAG05455e117 [2020-11-28 07:27:23,197 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:27:23,198 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/sv-benchmarks/c/busybox-1.22.0/touch-2.i [2020-11-28 07:27:23,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data/afec9311f/3daa1e100ed24d62a8c0edfbb6807ec1/FLAG05455e117 [2020-11-28 07:27:23,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data/afec9311f/3daa1e100ed24d62a8c0edfbb6807ec1 [2020-11-28 07:27:23,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:27:23,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:27:23,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:23,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:27:23,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:27:23,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:23" (1/1) ... [2020-11-28 07:27:23,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5239ccc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:23, skipping insertion in model container [2020-11-28 07:27:23,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:23" (1/1) ... [2020-11-28 07:27:23,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:27:23,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:27:25,185 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:27:25,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@130e0d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:25, skipping insertion in model container [2020-11-28 07:27:25,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:25,188 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:27:25,192 INFO L168 Benchmark]: Toolchain (without parser) took 1908.64 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 44.1 MB in the beginning and 66.8 MB in the end (delta: -22.7 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:25,194 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 56.5 MB in the beginning and 56.4 MB in the end (delta: 31.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:27:25,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1903.22 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 43.9 MB in the beginning and 66.8 MB in the end (delta: -22.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:25,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 56.5 MB in the beginning and 56.4 MB in the end (delta: 31.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1903.22 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 43.9 MB in the beginning and 66.8 MB in the end (delta: -22.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2613]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:27:27,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:27:27,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:27:27,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:27:27,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:27:27,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:27:27,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:27:27,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:27:27,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:27:27,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:27:27,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:27:27,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:27:27,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:27:27,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:27:27,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:27:27,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:27:27,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:27:27,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:27:27,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:27:27,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:27:27,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:27:27,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:27:27,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:27:27,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:27:27,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:27:27,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:27:27,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:27:27,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:27:27,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:27:27,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:27:27,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:27:27,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:27:27,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:27:27,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:27:27,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:27:27,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:27:27,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:27:27,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:27:27,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:27:27,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:27:27,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:27:27,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:27:27,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:27:27,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:27:27,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:27:27,654 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:27:27,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:27:27,655 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:27:27,655 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:27:27,655 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:27:27,655 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:27:27,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:27:27,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:27:27,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:27:27,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:27:27,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:27:27,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:27:27,659 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:27:27,659 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:27:27,659 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:27:27,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:27:27,660 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:27:27,660 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:27:27,660 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:27:27,660 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:27:27,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:27:27,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:27:27,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:27:27,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:27:27,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:27:27,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:27:27,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:27:27,662 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:27:27,662 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:27:27,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:27:27,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:27:27,663 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-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a1a46a65403deca33ed3628f9f5b1d5abad7635 [2020-11-28 07:27:28,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:27:28,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:27:28,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:27:28,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:27:28,113 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:27:28,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/touch-2.i [2020-11-28 07:27:28,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data/5483b3fe3/9700e005def1416aa8be80907958db40/FLAGe112ed2a1 [2020-11-28 07:27:29,078 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:27:29,079 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/sv-benchmarks/c/busybox-1.22.0/touch-2.i [2020-11-28 07:27:29,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data/5483b3fe3/9700e005def1416aa8be80907958db40/FLAGe112ed2a1 [2020-11-28 07:27:29,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1061cf37-df24-45ec-9833-7ad9e5614d0e/bin/utaipan/data/5483b3fe3/9700e005def1416aa8be80907958db40 [2020-11-28 07:27:29,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:27:29,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:27:29,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:29,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:27:29,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:27:29,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:29,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1959f3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:29, skipping insertion in model container [2020-11-28 07:27:29,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:27:29" (1/1) ... [2020-11-28 07:27:29,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:27:29,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:27:31,354 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:27:31,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@645d81e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:27:31, skipping insertion in model container [2020-11-28 07:27:31,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:27:31,356 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:27:31,358 INFO L168 Benchmark]: Toolchain (without parser) took 1734.70 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 32.1 MB in the beginning and 39.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:31,359 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 43.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:27:31,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1730.14 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 31.9 MB in the beginning and 39.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:27:31,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 58.7 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 43.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1730.14 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 31.9 MB in the beginning and 39.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2613]: 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...