./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/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_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF --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 --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:07:44,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:07:44,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:07:44,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:07:44,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:07:44,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:07:44,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:07:44,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:07:44,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:07:44,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:07:44,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:07:44,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:07:44,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:07:44,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:07:44,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:07:44,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:07:44,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:07:44,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:07:44,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:07:44,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:07:44,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:07:44,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:07:44,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:07:44,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:07:44,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:07:44,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:07:44,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:07:44,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:07:44,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:07:44,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:07:44,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:07:44,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:07:44,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:07:44,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:07:44,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:07:44,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:07:44,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:07:44,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:07:44,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:07:44,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:07:44,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:07:44,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-12 23:07:44,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:07:44,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:07:44,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:07:44,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:07:44,985 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:07:44,985 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:07:44,985 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:07:44,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:07:44,986 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:07:44,986 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:07:44,988 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:07:44,988 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:07:44,988 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:07:44,989 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:07:44,989 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:07:44,990 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:07:44,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:07:44,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:07:44,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:07:44,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:07:44,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:07:44,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:07:44,992 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:07:44,993 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:07:44,993 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 23:07:44,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:07:44,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:07:44,994 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:07:44,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:07:44,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:07:44,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:07:44,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:07:44,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:07:44,996 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:07:44,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:07:44,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:07:44,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:07:44,998 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_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-11-12 23:07:45,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:07:45,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:07:45,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:07:45,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:07:45,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:07:45,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-12 23:07:45,521 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data/524192245/8c9c8526343443d08094880c8fd5488b/FLAG3a87e0196 [2021-11-12 23:07:46,383 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:07:46,385 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-12 23:07:46,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data/524192245/8c9c8526343443d08094880c8fd5488b/FLAG3a87e0196 [2021-11-12 23:07:46,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data/524192245/8c9c8526343443d08094880c8fd5488b [2021-11-12 23:07:46,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:07:46,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:07:46,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:46,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:07:46,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:07:46,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:46" (1/1) ... [2021-11-12 23:07:46,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212b6da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:46, skipping insertion in model container [2021-11-12 23:07:46,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:46" (1/1) ... [2021-11-12 23:07:46,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:07:47,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:07:48,570 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 [2021-11-12 23:07:48,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@367437b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:48, skipping insertion in model container [2021-11-12 23:07:48,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:48,572 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:07:48,575 INFO L158 Benchmark]: Toolchain (without parser) took 1695.42ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 74.7MB in the end (delta: -8.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-12 23:07:48,576 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:07:48,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1691.54ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 74.7MB in the end (delta: -8.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-12 23:07:48,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1691.54ms. Allocated memory is still 109.1MB. Free memory was 66.4MB in the beginning and 74.7MB in the end (delta: -8.3MB). Peak memory consumption was 9.8MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/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_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF --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 --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:07:51,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:07:51,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:07:51,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:07:51,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:07:51,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:07:51,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:07:51,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:07:51,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:07:51,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:07:51,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:07:51,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:07:51,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:07:51,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:07:51,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:07:51,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:07:51,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:07:51,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:07:51,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:07:51,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:07:51,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:07:51,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:07:51,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:07:51,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:07:51,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:07:51,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:07:51,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:07:51,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:07:51,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:07:51,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:07:51,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:07:51,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:07:51,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:07:51,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:07:51,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:07:51,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:07:51,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:07:51,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:07:51,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:07:51,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:07:51,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:07:51,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-12 23:07:51,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:07:51,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:07:51,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:07:51,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:07:51,589 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:07:51,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:07:51,590 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:07:51,590 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:07:51,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:07:51,591 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:07:51,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 23:07:51,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 23:07:51,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:07:51,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:07:51,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:07:51,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:07:51,595 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 23:07:51,595 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 23:07:51,595 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 23:07:51,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:07:51,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:07:51,596 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:07:51,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:07:51,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:07:51,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:07:51,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:07:51,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:07:51,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:07:51,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:07:51,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:07:51,599 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:07:51,599 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:07:51,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:07:51,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:07:51,600 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_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-11-12 23:07:52,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:07:52,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:07:52,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:07:52,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:07:52,109 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:07:52,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-12 23:07:52,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data/dcb99d18c/e425f7fa38364c17954d7b847c1199ea/FLAGc1d3dfecf [2021-11-12 23:07:53,108 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:07:53,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-12 23:07:53,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data/dcb99d18c/e425f7fa38364c17954d7b847c1199ea/FLAGc1d3dfecf [2021-11-12 23:07:53,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f4284b-08d2-494d-b46c-798bff592229/bin/utaipan-vmNK8stdcF/data/dcb99d18c/e425f7fa38364c17954d7b847c1199ea [2021-11-12 23:07:53,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:07:53,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:07:53,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:53,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:07:53,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:07:53,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:53" (1/1) ... [2021-11-12 23:07:53,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f6b26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:53, skipping insertion in model container [2021-11-12 23:07:53,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:53" (1/1) ... [2021-11-12 23:07:53,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:07:53,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:07:54,743 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 [2021-11-12 23:07:54,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ba4c1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:54, skipping insertion in model container [2021-11-12 23:07:54,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:54,745 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:07:54,751 INFO L158 Benchmark]: Toolchain (without parser) took 1547.34ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.6MB in the beginning and 58.6MB in the end (delta: -18.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-12 23:07:54,753 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:07:54,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.73ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.5MB in the beginning and 58.6MB in the end (delta: -19.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-12 23:07:54,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.73ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.5MB in the beginning and 58.6MB in the end (delta: -19.1MB). Peak memory consumption was 9.2MB. 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