./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 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_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/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_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/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_7783756d-19c1-41b4-8155-def02ef6c420/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_7783756d-19c1-41b4-8155-def02ef6c420/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 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-38b53e6 [2022-11-26 01:02:32,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:02:32,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:02:32,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:02:32,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:02:32,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:02:32,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:02:32,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:02:32,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:02:32,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:02:32,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:02:32,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:02:32,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:02:32,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:02:32,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:02:32,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:02:32,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:02:32,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:02:32,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:02:32,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:02:32,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:02:32,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:02:32,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:02:32,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:02:32,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:02:32,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:02:32,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:02:32,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:02:32,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:02:32,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:02:32,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:02:32,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:02:32,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:02:32,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:02:32,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:02:32,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:02:32,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:02:32,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:02:32,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:02:32,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:02:32,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:02:32,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 01:02:32,716 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:02:32,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:02:32,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:02:32,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:02:32,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:02:32,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:02:32,718 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:02:32,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:02:32,718 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:02:32,719 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:02:32,719 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:02:32,719 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:02:32,719 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:02:32,720 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:02:32,720 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:02:32,720 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:02:32,720 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:02:32,721 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:02:32,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 01:02:32,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 01:02:32,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:02:32,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:02:32,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:02:32,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:02:32,723 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 01:02:32,723 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 01:02:32,723 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 01:02:32,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:02:32,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:02:32,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:02:32,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:02:32,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:02:32,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:32,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:02:32,734 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:02:32,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:02:32,734 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:02:32,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:02:32,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:02:32,735 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_7783756d-19c1-41b4-8155-def02ef6c420/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-26 01:02:33,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:02:33,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:02:33,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:02:33,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:02:33,066 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:02:33,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-26 01:02:36,082 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:02:36,478 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:02:36,479 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-26 01:02:36,515 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/data/dbc480be4/5c21add86f9e42709162cab405655511/FLAGd6b35cdc7 [2022-11-26 01:02:36,530 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/data/dbc480be4/5c21add86f9e42709162cab405655511 [2022-11-26 01:02:36,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:02:36,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:02:36,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:36,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:02:36,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:02:36,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:36" (1/1) ... [2022-11-26 01:02:36,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b012dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:36, skipping insertion in model container [2022-11-26 01:02:36,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:36" (1/1) ... [2022-11-26 01:02:36,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:02:36,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:02:37,776 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 01:02:37,795 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 01:02:37,809 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-26 01:02:37,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e1d00d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:37, skipping insertion in model container [2022-11-26 01:02:37,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:37,813 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:02:37,815 INFO L158 Benchmark]: Toolchain (without parser) took 1279.23ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 55.7MB in the beginning and 111.5MB in the end (delta: -55.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-26 01:02:37,815 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 93.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:02:37,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1274.78ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 55.6MB in the beginning and 111.5MB in the end (delta: -55.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-26 01:02:37,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 93.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1274.78ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 55.6MB in the beginning and 111.5MB in the end (delta: -55.9MB). Peak memory consumption was 15.1MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/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_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/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_7783756d-19c1-41b4-8155-def02ef6c420/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_7783756d-19c1-41b4-8155-def02ef6c420/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 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-38b53e6 [2022-11-26 01:02:39,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:02:39,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:02:40,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:02:40,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:02:40,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:02:40,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:02:40,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:02:40,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:02:40,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:02:40,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:02:40,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:02:40,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:02:40,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:02:40,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:02:40,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:02:40,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:02:40,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:02:40,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:02:40,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:02:40,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:02:40,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:02:40,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:02:40,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:02:40,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:02:40,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:02:40,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:02:40,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:02:40,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:02:40,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:02:40,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:02:40,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:02:40,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:02:40,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:02:40,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:02:40,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:02:40,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:02:40,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:02:40,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:02:40,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:02:40,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:02:40,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 01:02:40,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:02:40,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:02:40,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:02:40,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:02:40,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:02:40,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:02:40,165 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:02:40,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:02:40,166 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:02:40,166 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:02:40,167 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:02:40,168 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:02:40,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 01:02:40,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 01:02:40,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:02:40,169 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:02:40,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:02:40,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:02:40,170 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 01:02:40,170 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 01:02:40,171 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 01:02:40,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:02:40,171 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:02:40,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:02:40,172 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:02:40,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:02:40,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:02:40,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:02:40,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:02:40,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:02:40,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:02:40,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:02:40,174 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:02:40,175 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:02:40,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:02:40,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:02:40,176 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_7783756d-19c1-41b4-8155-def02ef6c420/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-26 01:02:40,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:02:40,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:02:40,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:02:40,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:02:40,618 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:02:40,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-26 01:02:43,927 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:02:44,361 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:02:44,362 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-26 01:02:44,398 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/data/7813a0fa0/efc4da734f5945368abf92f7b9b71e6d/FLAGad08fa6d7 [2022-11-26 01:02:44,531 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7783756d-19c1-41b4-8155-def02ef6c420/bin/utaipan-ByfvJB40ur/data/7813a0fa0/efc4da734f5945368abf92f7b9b71e6d [2022-11-26 01:02:44,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:02:44,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:02:44,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:44,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:02:44,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:02:44,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a20a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:44, skipping insertion in model container [2022-11-26 01:02:44,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:02:44" (1/1) ... [2022-11-26 01:02:44,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:02:44,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:02:45,753 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 01:02:45,766 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 01:02:45,772 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-26 01:02:45,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a61a706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:02:45, skipping insertion in model container [2022-11-26 01:02:45,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:02:45,774 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:02:45,775 INFO L158 Benchmark]: Toolchain (without parser) took 1237.18ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 42.7MB in the end (delta: 3.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-26 01:02:45,776 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:02:45,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1231.80ms. Allocated memory is still 75.5MB. Free memory was 46.3MB in the beginning and 42.7MB in the end (delta: 3.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-26 01:02:45,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1231.80ms. Allocated memory is still 75.5MB. Free memory was 46.3MB in the beginning and 42.7MB in the end (delta: 3.6MB). Peak memory consumption was 14.8MB. 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