./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- 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-2329fc7 [2022-12-14 14:29:03,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:29:03,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:29:03,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:29:03,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:29:03,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:29:03,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:29:03,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:29:03,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:29:03,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:29:03,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:29:03,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:29:03,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:29:03,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:29:03,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:29:03,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:29:03,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:29:03,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:29:03,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:29:03,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:29:03,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:29:03,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:29:03,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:29:03,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:29:03,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:29:03,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:29:03,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:29:03,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:29:03,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:29:03,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:29:03,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:29:03,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:29:03,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:29:03,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:29:03,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:29:03,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:29:03,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:29:03,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:29:03,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:29:03,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:29:03,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:29:03,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 14:29:03,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:29:03,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:29:03,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:29:03,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:29:03,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:29:03,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:29:03,611 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:29:03,611 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:29:03,612 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:29:03,612 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:29:03,612 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:29:03,612 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:29:03,612 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:29:03,613 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:29:03,613 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:29:03,613 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:29:03,613 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:29:03,613 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:29:03,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 14:29:03,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 14:29:03,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:29:03,615 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:29:03,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:29:03,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:29:03,615 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 14:29:03,615 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 14:29:03,616 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 14:29:03,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:29:03,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:29:03,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:29:03,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:29:03,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:29:03,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:29:03,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:29:03,617 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:29:03,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:29:03,618 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:29:03,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:29:03,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:29:03,618 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_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2022-12-14 14:29:03,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:29:03,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:29:03,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:29:03,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:29:03,809 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:29:03,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-12-14 14:29:06,342 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:29:06,664 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:29:06,665 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-12-14 14:29:06,685 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/data/d14edb22c/232ef690bd9841cea0f29974dfec636c/FLAGc3053d983 [2022-12-14 14:29:06,930 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/data/d14edb22c/232ef690bd9841cea0f29974dfec636c [2022-12-14 14:29:06,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:29:06,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:29:06,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:29:06,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:29:06,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:29:06,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:29:06" (1/1) ... [2022-12-14 14:29:06,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f659e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:29:06, skipping insertion in model container [2022-12-14 14:29:06,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:29:06" (1/1) ... [2022-12-14 14:29:06,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:29:06,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:29:07,890 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:29:07,891 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:29:07,893 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 14:29:07,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1416d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:29:07, skipping insertion in model container [2022-12-14 14:29:07,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:29:07,893 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:29:07,895 INFO L158 Benchmark]: Toolchain (without parser) took 961.26ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 102.9MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 14:29:07,895 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:29:07,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.78ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 102.9MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 14:29:07,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.78ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 102.9MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- 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-2329fc7 [2022-12-14 14:29:09,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:29:09,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:29:09,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:29:09,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:29:09,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:29:09,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:29:09,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:29:09,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:29:09,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:29:09,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:29:09,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:29:09,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:29:09,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:29:09,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:29:09,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:29:09,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:29:09,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:29:09,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:29:09,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:29:09,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:29:09,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:29:09,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:29:09,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:29:09,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:29:09,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:29:09,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:29:09,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:29:09,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:29:09,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:29:09,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:29:09,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:29:09,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:29:09,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:29:09,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:29:09,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:29:09,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:29:09,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:29:09,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:29:09,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:29:09,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:29:09,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 14:29:09,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:29:09,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:29:09,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:29:09,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:29:09,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:29:09,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:29:09,302 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:29:09,302 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:29:09,302 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:29:09,303 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:29:09,303 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:29:09,303 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:29:09,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 14:29:09,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 14:29:09,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:29:09,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:29:09,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:29:09,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:29:09,305 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 14:29:09,305 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 14:29:09,305 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 14:29:09,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:29:09,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:29:09,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:29:09,306 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:29:09,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:29:09,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:29:09,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:29:09,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:29:09,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:29:09,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:29:09,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:29:09,308 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:29:09,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:29:09,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:29:09,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:29:09,312 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_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2022-12-14 14:29:09,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:29:09,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:29:09,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:29:09,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:29:09,544 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:29:09,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-12-14 14:29:12,095 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:29:12,414 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:29:12,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-12-14 14:29:12,439 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/data/57acf23a1/759ed2d117e0433e913d7d8bf8bb8c96/FLAGfc818ea1d [2022-12-14 14:29:12,453 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f740304f-d6c9-4115-bff2-49a42c0f5d23/bin/utaipan-gh47qXpMRh/data/57acf23a1/759ed2d117e0433e913d7d8bf8bb8c96 [2022-12-14 14:29:12,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:29:12,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:29:12,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:29:12,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:29:12,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:29:12,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:29:12" (1/1) ... [2022-12-14 14:29:12,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262ff096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:29:12, skipping insertion in model container [2022-12-14 14:29:12,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:29:12" (1/1) ... [2022-12-14 14:29:12,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:29:12,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:29:13,242 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:29:13,247 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:29:13,249 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 14:29:13,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1965a9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:29:13, skipping insertion in model container [2022-12-14 14:29:13,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:29:13,250 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:29:13,251 INFO L158 Benchmark]: Toolchain (without parser) took 794.38ms. Allocated memory is still 69.2MB. Free memory was 42.4MB in the beginning and 44.5MB in the end (delta: -2.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-12-14 14:29:13,251 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:29:13,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.41ms. Allocated memory is still 69.2MB. Free memory was 42.3MB in the beginning and 44.5MB in the end (delta: -2.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-12-14 14:29:13,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.41ms. Allocated memory is still 69.2MB. Free memory was 42.3MB in the beginning and 44.5MB in the end (delta: -2.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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