./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b 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_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS --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 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- 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-8393723 [2022-11-19 07:03:45,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:03:45,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:03:45,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:03:45,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:03:45,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:03:45,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:03:45,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:03:45,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:03:45,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:03:45,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:03:45,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:03:45,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:03:45,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:03:45,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:03:45,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:03:45,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:03:45,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:03:45,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:03:45,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:03:45,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:03:45,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:03:45,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:03:45,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:03:45,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:03:45,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:03:45,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:03:45,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:03:45,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:03:45,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:03:45,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:03:45,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:03:45,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:03:45,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:03:45,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:03:45,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:03:45,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:03:45,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:03:45,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:03:45,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:03:45,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:03:45,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-19 07:03:45,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:03:45,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:03:45,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:03:45,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:03:45,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:03:45,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:03:45,407 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:03:45,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:03:45,407 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:03:45,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:03:45,408 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:03:45,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:03:45,409 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:03:45,409 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:03:45,409 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:03:45,409 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:03:45,409 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:03:45,409 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:03:45,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:03:45,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:03:45,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:03:45,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:03:45,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:03:45,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:03:45,413 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:03:45,413 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:03:45,413 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:03:45,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:03:45,413 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:03:45,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:03:45,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:03:45,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:03:45,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:03:45,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:03:45,415 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:03:45,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:03:45,415 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:03:45,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:03:45,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:03:45,416 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_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2022-11-19 07:03:45,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:03:45,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:03:45,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:03:45,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:03:45,778 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:03:45,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-19 07:03:45,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data/b93cabc1f/86586cca8f7548e48f18cd01a0d22bfc/FLAG6dd4ff784 [2022-11-19 07:03:46,618 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:03:46,619 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-19 07:03:46,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data/b93cabc1f/86586cca8f7548e48f18cd01a0d22bfc/FLAG6dd4ff784 [2022-11-19 07:03:46,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data/b93cabc1f/86586cca8f7548e48f18cd01a0d22bfc [2022-11-19 07:03:46,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:03:46,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:03:46,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:03:46,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:03:46,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:03:46,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:03:46" (1/1) ... [2022-11-19 07:03:46,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b9994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:03:46, skipping insertion in model container [2022-11-19 07:03:46,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:03:46" (1/1) ... [2022-11-19 07:03:46,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:03:46,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:03:48,432 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-19 07:03:48,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@546164a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:03:48, skipping insertion in model container [2022-11-19 07:03:48,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:03:48,434 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:03:48,436 INFO L158 Benchmark]: Toolchain (without parser) took 1700.67ms. Allocated memory is still 109.1MB. Free memory was 63.2MB in the beginning and 66.3MB in the end (delta: -3.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-11-19 07:03:48,437 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:03:48,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1693.36ms. Allocated memory is still 109.1MB. Free memory was 63.0MB in the beginning and 66.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-11-19 07:03:48,440 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 109.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1693.36ms. Allocated memory is still 109.1MB. Free memory was 63.0MB in the beginning and 66.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS --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 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- 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-8393723 [2022-11-19 07:03:50,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:03:50,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:03:50,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:03:50,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:03:50,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:03:50,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:03:50,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:03:50,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:03:50,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:03:50,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:03:50,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:03:50,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:03:50,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:03:50,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:03:50,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:03:50,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:03:50,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:03:50,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:03:50,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:03:50,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:03:50,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:03:50,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:03:50,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:03:50,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:03:50,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:03:50,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:03:50,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:03:50,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:03:50,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:03:50,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:03:50,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:03:50,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:03:50,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:03:50,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:03:50,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:03:50,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:03:50,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:03:50,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:03:50,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:03:50,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:03:50,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-19 07:03:50,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:03:50,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:03:50,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:03:50,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:03:50,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:03:50,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:03:50,852 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:03:50,852 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:03:50,853 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:03:50,853 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:03:50,854 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:03:50,854 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:03:50,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:03:50,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:03:50,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:03:50,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:03:50,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:03:50,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:03:50,857 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:03:50,857 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:03:50,858 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:03:50,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:03:50,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:03:50,858 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:03:50,858 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:03:50,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:03:50,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:03:50,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:03:50,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:03:50,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:03:50,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:03:50,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:03:50,861 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:03:50,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:03:50,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:03:50,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:03:50,862 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_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2022-11-19 07:03:51,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:03:51,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:03:51,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:03:51,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:03:51,309 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:03:51,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-19 07:03:51,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data/ff6c990b2/1a4e2a6c5c0146908ee40bd7470c0479/FLAGac333f01e [2022-11-19 07:03:52,363 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:03:52,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-19 07:03:52,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data/ff6c990b2/1a4e2a6c5c0146908ee40bd7470c0479/FLAGac333f01e [2022-11-19 07:03:52,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bef7ca6-dbe4-490c-88b3-ccf6ddc95e13/bin/utaipan-I9t0OCRTmS/data/ff6c990b2/1a4e2a6c5c0146908ee40bd7470c0479 [2022-11-19 07:03:52,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:03:52,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:03:52,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:03:52,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:03:52,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:03:52,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:03:52" (1/1) ... [2022-11-19 07:03:52,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1574d68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:03:52, skipping insertion in model container [2022-11-19 07:03:52,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:03:52" (1/1) ... [2022-11-19 07:03:52,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:03:52,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:03:54,501 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-19 07:03:54,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33ce616c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:03:54, skipping insertion in model container [2022-11-19 07:03:54,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:03:54,505 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:03:54,508 INFO L158 Benchmark]: Toolchain (without parser) took 1647.42ms. Allocated memory is still 77.6MB. Free memory was 56.3MB in the beginning and 42.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 07:03:54,510 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:03:54,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1644.97ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 42.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 07:03:54,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1644.97ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 42.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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