./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 4e7fbc69 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_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/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_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 14:42:30,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:42:30,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:42:30,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:42:30,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:42:30,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:42:30,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:42:30,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:42:30,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:42:30,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:42:30,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:42:30,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:42:30,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:42:30,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:42:30,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:42:30,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:42:30,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:42:30,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:42:30,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:42:30,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:42:30,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:42:30,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:42:30,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:42:30,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:42:30,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:42:30,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:42:30,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:42:30,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:42:30,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:42:30,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:42:30,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:42:30,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:42:30,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:42:30,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:42:30,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:42:30,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:42:30,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:42:30,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:42:30,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:42:30,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:42:30,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:42:30,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-23 14:42:30,776 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:42:30,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:42:30,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:42:30,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:42:30,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:42:30,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:42:30,779 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:42:30,780 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:42:30,780 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:42:30,780 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:42:30,780 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:42:30,780 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:42:30,780 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:42:30,781 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:42:30,781 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:42:30,781 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:42:30,781 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:42:30,782 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:42:30,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 14:42:30,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 14:42:30,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:42:30,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:42:30,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:42:30,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:42:30,783 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 14:42:30,784 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 14:42:30,784 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 14:42:30,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:42:30,784 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:42:30,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:42:30,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:42:30,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:42:30,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:42:30,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:42:30,785 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:42:30,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:42:30,786 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:42:30,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:42:30,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:42:30,786 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_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-23 14:42:31,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:42:31,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:42:31,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:42:31,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:42:31,083 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:42:31,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-23 14:42:34,277 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:42:34,698 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:42:34,699 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-23 14:42:34,721 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/data/15ebb36eb/938c89f4db784aa1a6ad494fd7ba7ef9/FLAG455c932d9 [2022-11-23 14:42:34,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/data/15ebb36eb/938c89f4db784aa1a6ad494fd7ba7ef9 [2022-11-23 14:42:34,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:42:34,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:42:34,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:34,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:42:34,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:42:34,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:34" (1/1) ... [2022-11-23 14:42:34,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6212e889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:34, skipping insertion in model container [2022-11-23 14:42:34,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:34" (1/1) ... [2022-11-23 14:42:34,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:42:34,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:42:36,085 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-23 14:42:36,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64a0ad62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:36, skipping insertion in model container [2022-11-23 14:42:36,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:36,091 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:42:36,093 INFO L158 Benchmark]: Toolchain (without parser) took 1209.92ms. Allocated memory is still 138.4MB. Free memory was 102.5MB in the beginning and 79.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 14:42:36,094 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:42:36,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.26ms. Allocated memory is still 138.4MB. Free memory was 102.5MB in the beginning and 80.1MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 14:42:36,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.26ms. Allocated memory is still 138.4MB. Free memory was 102.5MB in the beginning and 80.1MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/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_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 14:42:38,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:42:38,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:42:38,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:42:38,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:42:38,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:42:38,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:42:38,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:42:38,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:42:38,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:42:38,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:42:38,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:42:38,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:42:38,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:42:38,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:42:38,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:42:38,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:42:38,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:42:38,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:42:38,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:42:38,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:42:38,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:42:38,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:42:38,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:42:38,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:42:38,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:42:38,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:42:38,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:42:38,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:42:38,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:42:38,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:42:38,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:42:38,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:42:38,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:42:38,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:42:38,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:42:38,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:42:38,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:42:38,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:42:38,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:42:38,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:42:38,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-23 14:42:38,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:42:38,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:42:38,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:42:38,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:42:38,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:42:38,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:42:38,689 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:42:38,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:42:38,689 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:42:38,689 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:42:38,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:42:38,691 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:42:38,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 14:42:38,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 14:42:38,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:42:38,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:42:38,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:42:38,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:42:38,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 14:42:38,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 14:42:38,694 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 14:42:38,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:42:38,694 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:42:38,694 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:42:38,694 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:42:38,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:42:38,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:42:38,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:42:38,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:42:38,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:42:38,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:42:38,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:42:38,697 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:42:38,697 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:42:38,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:42:38,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:42:38,698 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_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-23 14:42:39,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:42:39,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:42:39,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:42:39,122 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:42:39,123 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:42:39,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-23 14:42:42,273 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:42:42,753 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:42:42,754 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-23 14:42:42,794 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/data/9eb86c443/9aeb5ffdbb9b49c9b8006e4461115e72/FLAGc6b331592 [2022-11-23 14:42:42,819 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b19561d1-d951-49bc-93a2-48cac7643b34/bin/utaipan-Q6hlc19bkW/data/9eb86c443/9aeb5ffdbb9b49c9b8006e4461115e72 [2022-11-23 14:42:42,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:42:42,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:42:42,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:42,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:42:42,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:42:42,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:42" (1/1) ... [2022-11-23 14:42:42,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2edbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:42, skipping insertion in model container [2022-11-23 14:42:42,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:42" (1/1) ... [2022-11-23 14:42:42,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:42:42,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:42:44,102 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-23 14:42:44,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d52277a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:44, skipping insertion in model container [2022-11-23 14:42:44,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:44,106 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:42:44,108 INFO L158 Benchmark]: Toolchain (without parser) took 1283.71ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 46.1MB in the beginning and 59.6MB in the end (delta: -13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:42:44,109 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:42:44,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.07ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 59.6MB in the end (delta: -13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:42:44,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.07ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 59.6MB in the end (delta: -13.7MB). Peak memory consumption was 14.7MB. 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