./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/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_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/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_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- 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 23:16:02,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:16:02,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:16:02,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:16:02,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:16:02,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:16:02,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:16:02,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:16:02,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:16:02,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:16:02,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:16:02,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:16:02,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:16:02,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:16:02,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:16:02,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:16:02,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:16:02,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:16:02,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:16:02,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:16:02,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:16:02,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:16:02,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:16:02,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:16:02,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:16:02,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:16:02,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:16:02,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:16:02,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:16:02,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:16:02,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:16:02,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:16:02,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:16:02,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:16:02,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:16:02,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:16:02,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:16:02,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:16:02,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:16:02,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:16:02,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:16:02,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-25 23:16:02,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:16:02,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:16:02,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:16:02,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:16:02,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:16:02,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:16:02,690 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:16:02,690 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:16:02,690 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:16:02,691 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:16:02,692 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:16:02,692 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:16:02,693 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:16:02,693 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:16:02,693 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:16:02,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:16:02,694 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:16:02,694 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:16:02,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:16:02,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:16:02,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:16:02,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:16:02,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:16:02,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:16:02,700 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:16:02,700 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:16:02,701 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:16:02,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:16:02,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:16:02,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:16:02,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:16:02,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:16:02,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:02,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:16:02,704 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:16:02,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:16:02,705 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:16:02,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:16:02,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:16:02,706 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_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-11-25 23:16:03,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:16:03,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:16:03,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:16:03,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:16:03,061 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:16:03,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-25 23:16:06,298 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:16:06,918 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:16:06,918 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-25 23:16:06,956 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/data/5b057e0a6/baf67ca89aea4bff855ae3de5a751f63/FLAG087d2e278 [2022-11-25 23:16:06,977 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/data/5b057e0a6/baf67ca89aea4bff855ae3de5a751f63 [2022-11-25 23:16:06,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:16:06,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:16:06,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:06,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:16:06,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:16:06,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:06" (1/1) ... [2022-11-25 23:16:06,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7381a0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:06, skipping insertion in model container [2022-11-25 23:16:06,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:06" (1/1) ... [2022-11-25 23:16:07,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:16:07,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:16:08,654 WARN L623 FunctionHandler]: Unknown extern function execvp [2022-11-25 23:16:08,655 WARN L623 FunctionHandler]: Unknown extern function execvp [2022-11-25 23:16:08,659 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-25 23:16:08,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@146fff75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:08, skipping insertion in model container [2022-11-25 23:16:08,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:08,661 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:16:08,663 INFO L158 Benchmark]: Toolchain (without parser) took 1677.25ms. Allocated memory is still 186.6MB. Free memory was 149.0MB in the beginning and 126.1MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:08,664 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:16:08,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1674.00ms. Allocated memory is still 186.6MB. Free memory was 149.0MB in the beginning and 126.1MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:08,666 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 142.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1674.00ms. Allocated memory is still 186.6MB. Free memory was 149.0MB in the beginning and 126.1MB in the end (delta: 22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/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_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/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_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- 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 23:16:11,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:16:11,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:16:11,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:16:11,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:16:11,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:16:11,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:16:11,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:16:11,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:16:11,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:16:11,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:16:11,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:16:11,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:16:11,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:16:11,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:16:11,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:16:11,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:16:11,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:16:11,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:16:11,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:16:11,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:16:11,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:16:11,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:16:11,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:16:11,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:16:11,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:16:11,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:16:11,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:16:11,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:16:11,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:16:11,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:16:11,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:16:11,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:16:11,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:16:11,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:16:11,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:16:11,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:16:11,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:16:11,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:16:11,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:16:11,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:16:11,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-25 23:16:11,426 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:16:11,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:16:11,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:16:11,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:16:11,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:16:11,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:16:11,429 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:16:11,429 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:16:11,429 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:16:11,429 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:16:11,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:16:11,430 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:16:11,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 23:16:11,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 23:16:11,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:16:11,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:16:11,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:16:11,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:16:11,432 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 23:16:11,433 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 23:16:11,433 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 23:16:11,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:16:11,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:16:11,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:16:11,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:16:11,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:16:11,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:16:11,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:16:11,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:16:11,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:11,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:16:11,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:16:11,439 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:16:11,440 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:16:11,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:16:11,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:16:11,441 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_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-11-25 23:16:11,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:16:11,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:16:11,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:16:11,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:16:11,912 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:16:11,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-25 23:16:15,334 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:16:15,891 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:16:15,892 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-25 23:16:15,930 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/data/8504f94e7/3b2b1e94874045259177a0004d51110f/FLAG4612a5cba [2022-11-25 23:16:15,961 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ff6278-1988-4d9f-9aaf-1f900ce870e2/bin/utaipan-ByfvJB40ur/data/8504f94e7/3b2b1e94874045259177a0004d51110f [2022-11-25 23:16:15,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:16:15,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:16:15,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:15,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:16:15,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:16:15,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:15" (1/1) ... [2022-11-25 23:16:15,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bed970d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:15, skipping insertion in model container [2022-11-25 23:16:15,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:15" (1/1) ... [2022-11-25 23:16:15,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:16:16,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:16:17,511 WARN L623 FunctionHandler]: Unknown extern function execvp [2022-11-25 23:16:17,512 WARN L623 FunctionHandler]: Unknown extern function execvp [2022-11-25 23:16:17,516 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-25 23:16:17,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e048b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:17, skipping insertion in model container [2022-11-25 23:16:17,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:17,518 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:16:17,520 INFO L158 Benchmark]: Toolchain (without parser) took 1550.60ms. Allocated memory is still 79.7MB. Free memory was 53.8MB in the beginning and 49.7MB in the end (delta: 4.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-25 23:16:17,521 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:16:17,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1545.44ms. Allocated memory is still 79.7MB. Free memory was 53.5MB in the beginning and 49.7MB in the end (delta: 3.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-25 23:16:17,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1545.44ms. Allocated memory is still 79.7MB. Free memory was 53.5MB in the beginning and 49.7MB in the end (delta: 3.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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