./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 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_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/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_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/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_093e9988-50cf-4bc7-bf56-48e13aa820d2/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 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- 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 14:41:48,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:41:48,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:41:48,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:41:48,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:41:48,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:41:48,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:41:48,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:41:48,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:41:48,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:41:48,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:41:48,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:41:48,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:41:48,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:41:48,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:41:48,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:41:48,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:41:48,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:41:48,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:41:48,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:41:48,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:41:48,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:41:48,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:41:48,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:41:48,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:41:48,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:41:48,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:41:48,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:41:48,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:41:48,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:41:48,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:41:48,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:41:48,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:41:48,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:41:48,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:41:48,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:41:48,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:41:48,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:41:48,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:41:48,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:41:48,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:41:48,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-23 14:41:48,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:41:48,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:41:48,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:41:48,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:41:48,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:41:48,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:41:48,924 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:41:48,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:41:48,925 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:41:48,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:41:48,926 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:41:48,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:41:48,927 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:41:48,927 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:41:48,927 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:41:48,928 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:41:48,928 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:41:48,928 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:41:48,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 14:41:48,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 14:41:48,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:41:48,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:41:48,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:41:48,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:41:48,931 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 14:41:48,931 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 14:41:48,931 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 14:41:48,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:41:48,932 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:41:48,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:41:48,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:41:48,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:41:48,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:41:48,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:41:48,934 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:41:48,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:41:48,935 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:41:48,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:41:48,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:41:48,950 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_093e9988-50cf-4bc7-bf56-48e13aa820d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-23 14:41:49,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:41:49,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:41:49,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:41:49,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:41:49,263 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:41:49,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-23 14:41:52,515 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:41:53,097 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:41:53,098 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-23 14:41:53,150 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/data/0f2c26dfc/34138c8154684ad0a3259a7a909fbb11/FLAG573013f48 [2022-11-23 14:41:53,172 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/data/0f2c26dfc/34138c8154684ad0a3259a7a909fbb11 [2022-11-23 14:41:53,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:41:53,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:41:53,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:41:53,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:41:53,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:41:53,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:53" (1/1) ... [2022-11-23 14:41:53,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdde75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:53, skipping insertion in model container [2022-11-23 14:41:53,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:41:53" (1/1) ... [2022-11-23 14:41:53,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:41:53,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:41:55,318 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-23 14:41:55,338 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-23 14:41:55,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@619ea018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:55, skipping insertion in model container [2022-11-23 14:41:55,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:41:55,340 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:41:55,342 INFO L158 Benchmark]: Toolchain (without parser) took 2161.06ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 61.9MB in the beginning and 124.9MB in the end (delta: -63.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-23 14:41:55,342 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:41:55,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2152.98ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 61.6MB in the beginning and 124.9MB in the end (delta: -63.2MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-23 14:41:55,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2152.98ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 61.6MB in the beginning and 124.9MB in the end (delta: -63.2MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2858]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/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_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/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_093e9988-50cf-4bc7-bf56-48e13aa820d2/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 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- 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 14:41:57,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:41:57,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:41:57,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:41:57,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:41:57,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:41:57,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:41:57,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:41:57,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:41:57,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:41:57,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:41:57,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:41:57,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:41:57,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:41:57,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:41:57,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:41:57,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:41:57,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:41:57,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:41:57,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:41:57,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:41:57,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:41:57,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:41:57,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:41:57,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:41:57,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:41:57,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:41:57,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:41:57,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:41:57,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:41:57,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:41:57,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:41:57,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:41:57,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:41:57,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:41:57,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:41:57,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:41:57,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:41:57,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:41:57,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:41:57,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:41:57,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-23 14:41:57,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:41:57,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:41:57,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:41:57,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:41:57,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:41:57,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:41:57,839 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:41:57,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:41:57,839 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:41:57,840 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:41:57,841 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:41:57,841 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:41:57,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 14:41:57,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 14:41:57,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:41:57,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:41:57,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:41:57,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:41:57,844 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 14:41:57,844 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 14:41:57,844 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 14:41:57,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:41:57,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:41:57,845 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:41:57,845 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:41:57,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:41:57,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:41:57,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:41:57,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:41:57,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:41:57,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:41:57,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:41:57,847 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:41:57,848 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:41:57,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:41:57,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:41:57,848 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_093e9988-50cf-4bc7-bf56-48e13aa820d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-23 14:41:58,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:41:58,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:41:58,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:41:58,264 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:41:58,265 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:41:58,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-23 14:42:01,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:42:01,895 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:42:01,895 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-23 14:42:01,928 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/data/741a040a2/c9b6f696e8f74bc0bfe13c3dc1aba1d9/FLAG10fa92dc5 [2022-11-23 14:42:01,949 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/bin/utaipan-Q6hlc19bkW/data/741a040a2/c9b6f696e8f74bc0bfe13c3dc1aba1d9 [2022-11-23 14:42:01,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:42:01,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:42:01,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:01,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:42:01,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:42:01,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:01" (1/1) ... [2022-11-23 14:42:01,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ec9ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:01, skipping insertion in model container [2022-11-23 14:42:01,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:01" (1/1) ... [2022-11-23 14:42:01,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:42:02,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:42:04,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093e9988-50cf-4bc7-bf56-48e13aa820d2/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-23 14:42:04,213 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-23 14:42:04,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@428b49a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:04, skipping insertion in model container [2022-11-23 14:42:04,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:04,216 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:42:04,218 INFO L158 Benchmark]: Toolchain (without parser) took 2263.56ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 61.1MB in the end (delta: 3.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-23 14:42:04,219 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:42:04,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2259.23ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-23 14:42:04,223 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 67.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2259.23ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2858]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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