./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- 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-5e519f3 [2022-11-03 03:45:40,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:45:40,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:45:40,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:45:40,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:45:40,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:45:40,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:45:40,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:45:40,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:45:40,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:45:40,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:45:40,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:45:40,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:45:40,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:45:40,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:45:40,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:45:40,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:45:40,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:45:40,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:45:40,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:45:40,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:45:40,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:45:40,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:45:40,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:45:40,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:45:40,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:45:40,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:45:40,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:45:40,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:45:40,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:45:40,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:45:40,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:45:40,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:45:40,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:45:40,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:45:40,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:45:40,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:45:40,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:45:40,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:45:40,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:45:40,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:45:40,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-03 03:45:40,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:45:40,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:45:40,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:45:40,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:45:40,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:45:40,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:45:40,749 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:45:40,750 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:45:40,750 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:45:40,750 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:45:40,751 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:45:40,751 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:45:40,752 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:45:40,752 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:45:40,752 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:45:40,752 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:45:40,752 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:45:40,753 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:45:40,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 03:45:40,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 03:45:40,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:45:40,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:45:40,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:45:40,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:45:40,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 03:45:40,756 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 03:45:40,756 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 03:45:40,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:45:40,757 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:45:40,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:45:40,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:45:40,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:45:40,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:40,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:45:40,758 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:45:40,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:45:40,759 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:45:40,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:45:40,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:45:40,759 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_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-03 03:45:41,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:45:41,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:45:41,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:45:41,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:45:41,151 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:45:41,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-03 03:45:41,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data/1dc2de5e9/ec45b409b09f44b2a268a1efc0a03914/FLAG1041c88e0 [2022-11-03 03:45:42,038 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:45:42,039 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-03 03:45:42,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data/1dc2de5e9/ec45b409b09f44b2a268a1efc0a03914/FLAG1041c88e0 [2022-11-03 03:45:42,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data/1dc2de5e9/ec45b409b09f44b2a268a1efc0a03914 [2022-11-03 03:45:42,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:45:42,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:45:42,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:42,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:45:42,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:45:42,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:42" (1/1) ... [2022-11-03 03:45:42,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26dcf4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:42, skipping insertion in model container [2022-11-03 03:45:42,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:42" (1/1) ... [2022-11-03 03:45:42,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:45:42,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:45:43,442 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-03 03:45:43,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fd196a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:43, skipping insertion in model container [2022-11-03 03:45:43,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:43,444 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:45:43,446 INFO L158 Benchmark]: Toolchain (without parser) took 1303.52ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 107.7MB in the end (delta: -2.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 03:45:43,446 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:45:43,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1296.99ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 107.7MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 03:45:43,449 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 88.1MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1296.99ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 107.7MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- 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-5e519f3 [2022-11-03 03:45:45,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:45:45,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:45:45,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:45:45,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:45:45,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:45:45,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:45:45,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:45:45,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:45:45,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:45:45,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:45:45,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:45:45,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:45:45,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:45:45,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:45:45,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:45:45,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:45:45,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:45:45,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:45:45,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:45:45,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:45:45,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:45:45,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:45:45,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:45:45,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:45:45,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:45:45,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:45:45,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:45:45,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:45:45,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:45:45,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:45:45,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:45:45,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:45:45,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:45:45,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:45:45,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:45:45,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:45:45,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:45:45,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:45:45,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:45:45,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:45:45,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-03 03:45:45,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:45:45,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:45:45,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:45:45,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:45:45,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:45:45,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:45:45,782 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:45:45,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:45:45,782 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:45:45,782 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:45:45,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:45:45,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:45:45,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 03:45:45,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 03:45:45,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:45:45,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:45:45,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:45:45,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:45:45,786 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 03:45:45,786 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 03:45:45,786 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 03:45:45,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:45:45,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:45:45,787 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:45:45,787 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:45:45,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:45:45,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:45:45,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:45:45,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:45:45,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:45,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:45:45,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:45:45,789 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:45:45,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:45:45,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:45:45,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:45:45,790 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_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-03 03:45:46,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:45:46,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:45:46,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:45:46,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:45:46,205 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:45:46,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-03 03:45:46,266 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data/5e4c49b18/686add8dd29643d3b75e838bedfb8f3e/FLAGfd0878177 [2022-11-03 03:45:47,105 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:45:47,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-03 03:45:47,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data/5e4c49b18/686add8dd29643d3b75e838bedfb8f3e/FLAGfd0878177 [2022-11-03 03:45:47,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f5e7850-e327-43f6-b2a7-c80e3a7622e7/bin/utaipan-7li7fVZpFI/data/5e4c49b18/686add8dd29643d3b75e838bedfb8f3e [2022-11-03 03:45:47,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:45:47,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:45:47,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:47,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:45:47,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:45:47,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:47" (1/1) ... [2022-11-03 03:45:47,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e1c0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:47, skipping insertion in model container [2022-11-03 03:45:47,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:47" (1/1) ... [2022-11-03 03:45:47,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:45:47,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:45:48,465 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-03 03:45:48,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@172e7638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:48, skipping insertion in model container [2022-11-03 03:45:48,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:48,466 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:45:48,469 INFO L158 Benchmark]: Toolchain (without parser) took 1186.54ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 45.4MB in the beginning and 76.1MB in the end (delta: -30.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-03 03:45:48,470 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:45:48,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1184.09ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 45.2MB in the beginning and 76.1MB in the end (delta: -30.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-03 03:45:48,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1184.09ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 45.2MB in the beginning and 76.1MB in the end (delta: -30.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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