./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.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_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/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_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/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_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/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 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 --- 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 15:05:44,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:05:44,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:05:44,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:05:44,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:05:44,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:05:44,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:05:44,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:05:44,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:05:44,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:05:44,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:05:44,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:05:44,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:05:44,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:05:44,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:05:44,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:05:44,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:05:44,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:05:44,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:05:44,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:05:44,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:05:44,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:05:44,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:05:44,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:05:44,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:05:44,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:05:44,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:05:44,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:05:44,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:05:44,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:05:44,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:05:44,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:05:44,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:05:44,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:05:44,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:05:44,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:05:44,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:05:44,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:05:44,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:05:44,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:05:44,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:05:44,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-23 15:05:44,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:05:44,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:05:44,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:05:44,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:05:44,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:05:44,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:05:44,696 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:05:44,696 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:05:44,696 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:05:44,697 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:05:44,697 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:05:44,697 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:05:44,698 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:05:44,698 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:05:44,698 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:05:44,699 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:05:44,699 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:05:44,700 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:05:44,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 15:05:44,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 15:05:44,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:05:44,702 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:05:44,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:05:44,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:05:44,703 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 15:05:44,703 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 15:05:44,703 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 15:05:44,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:05:44,704 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:05:44,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:05:44,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:05:44,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:05:44,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:05:44,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:05:44,706 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:05:44,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:05:44,707 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:05:44,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:05:44,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:05:44,708 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_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 [2022-11-23 15:05:44,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:05:44,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:05:44,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:05:44,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:05:44,997 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:05:44,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2022-11-23 15:05:48,110 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:05:50,068 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:05:50,069 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2022-11-23 15:05:50,246 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/data/65e93dba2/0230efb306b146a691ca3b21983ce992/FLAG4a14a6ce3 [2022-11-23 15:05:50,265 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/data/65e93dba2/0230efb306b146a691ca3b21983ce992 [2022-11-23 15:05:50,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:05:50,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:05:50,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:05:50,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:05:50,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:05:50,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:50" (1/1) ... [2022-11-23 15:05:50,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d59b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:50, skipping insertion in model container [2022-11-23 15:05:50,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:50" (1/1) ... [2022-11-23 15:05:50,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:05:50,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:06:17,629 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-23 15:06:17,631 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-23 15:06:17,641 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-23 15:06:17,643 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-23 15:06:17,645 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-23 15:06:17,646 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-23 15:06:17,648 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-23 15:06:17,650 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-23 15:06:17,651 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-23 15:06:17,700 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-23 15:06:17,979 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-23 15:06:18,014 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl [2022-11-23 15:06:18,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e3183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:18, skipping insertion in model container [2022-11-23 15:06:18,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:06:18,018 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:06:18,020 INFO L158 Benchmark]: Toolchain (without parser) took 27747.79ms. Allocated memory was 197.1MB in the beginning and 287.3MB in the end (delta: 90.2MB). Free memory was 122.6MB in the beginning and 97.5MB in the end (delta: 25.1MB). Peak memory consumption was 151.8MB. Max. memory is 16.1GB. [2022-11-23 15:06:18,021 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:06:18,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 27742.83ms. Allocated memory was 197.1MB in the beginning and 287.3MB in the end (delta: 90.2MB). Free memory was 122.0MB in the beginning and 97.5MB in the end (delta: 24.5MB). Peak memory consumption was 151.8MB. Max. memory is 16.1GB. [2022-11-23 15:06:18,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 27742.83ms. Allocated memory was 197.1MB in the beginning and 287.3MB in the end (delta: 90.2MB). Free memory was 122.0MB in the beginning and 97.5MB in the end (delta: 24.5MB). Peak memory consumption was 151.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11970]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl 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_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/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_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/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_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/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 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 --- 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 15:06:20,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:06:20,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:06:20,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:06:20,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:06:20,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:06:20,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:06:20,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:06:20,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:06:20,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:06:20,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:06:20,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:06:20,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:06:20,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:06:20,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:06:20,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:06:20,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:06:20,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:06:20,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:06:20,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:06:20,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:06:20,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:06:20,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:06:20,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:06:20,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:06:20,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:06:20,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:06:20,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:06:20,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:06:20,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:06:20,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:06:20,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:06:20,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:06:20,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:06:20,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:06:20,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:06:20,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:06:20,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:06:20,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:06:20,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:06:20,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:06:20,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-23 15:06:20,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:06:20,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:06:20,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:06:20,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:06:20,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:06:20,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:06:20,595 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:06:20,596 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:06:20,596 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:06:20,596 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:06:20,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:06:20,598 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:06:20,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 15:06:20,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 15:06:20,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:06:20,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:06:20,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:06:20,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:06:20,600 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 15:06:20,601 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 15:06:20,601 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 15:06:20,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:06:20,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:06:20,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:06:20,602 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:06:20,602 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:06:20,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:06:20,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:06:20,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:06:20,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:06:20,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:06:20,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:06:20,605 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:06:20,605 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:06:20,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:06:20,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:06:20,606 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_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f7be000be519abe1ca18329c9838ba75d5c3631e353184761c039203f134940 [2022-11-23 15:06:21,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:06:21,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:06:21,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:06:21,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:06:21,064 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:06:21,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2022-11-23 15:06:24,176 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:06:26,233 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:06:26,234 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/sv-benchmarks/c/goblint-coreutils/instrumented_interval_nohup_comb.i [2022-11-23 15:06:26,457 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/data/af084e521/e72b2f3a1ca24bb4bc86a2354acb57d4/FLAG6f225f77d [2022-11-23 15:06:26,476 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8b7c98-e4ee-4a87-bd33-ce69f3cfc0a7/bin/utaipan-Q6hlc19bkW/data/af084e521/e72b2f3a1ca24bb4bc86a2354acb57d4 [2022-11-23 15:06:26,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:06:26,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:06:26,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:06:26,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:06:26,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:06:26,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:26" (1/1) ... [2022-11-23 15:06:26,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150fa848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:26, skipping insertion in model container [2022-11-23 15:06:26,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:26" (1/1) ... [2022-11-23 15:06:26,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:06:27,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:06:54,402 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2022-11-23 15:06:54,406 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2022-11-23 15:06:54,409 WARN L611 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2022-11-23 15:06:54,412 WARN L611 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2022-11-23 15:06:54,417 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2022-11-23 15:06:54,418 WARN L611 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2022-11-23 15:06:54,420 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2022-11-23 15:06:54,423 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2022-11-23 15:06:54,425 WARN L611 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2022-11-23 15:06:54,519 WARN L611 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2022-11-23 15:06:54,737 WARN L611 FunctionHandler]: implicit declaration of function __builtin_strspn [2022-11-23 15:06:54,770 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl [2022-11-23 15:06:54,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a4ced32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:54, skipping insertion in model container [2022-11-23 15:06:54,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:06:54,772 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:06:54,775 INFO L158 Benchmark]: Toolchain (without parser) took 28289.33ms. Allocated memory was 100.7MB in the beginning and 180.4MB in the end (delta: 79.7MB). Free memory was 33.0MB in the beginning and 79.9MB in the end (delta: -46.9MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2022-11-23 15:06:54,776 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:06:54,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 28259.05ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 81.4MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2022-11-23 15:06:54,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 28259.05ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 81.4MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11970]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: rpl_fcntl 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