./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/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_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ed38c9e762f8d87ccf81e9a295a29e195d4fc2cff176b5fc2b708cdf806c3c5 --- 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 12:04:33,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:04:33,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:04:33,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:04:33,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:04:33,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:04:33,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:04:33,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:04:33,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:04:33,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:04:33,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:04:33,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:04:33,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:04:33,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:04:33,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:04:33,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:04:33,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:04:33,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:04:33,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:04:33,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:04:33,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:04:33,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:04:33,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:04:33,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:04:33,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:04:33,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:04:33,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:04:33,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:04:33,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:04:33,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:04:33,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:04:33,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:04:33,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:04:33,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:04:33,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:04:33,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:04:33,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:04:33,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:04:33,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:04:33,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:04:33,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:04:33,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:04:33,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:04:33,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:04:33,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:04:33,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:04:33,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:04:33,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:04:33,446 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:04:33,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:04:33,447 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:04:33,447 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:04:33,447 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:04:33,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:04:33,448 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:04:33,448 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:04:33,448 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:04:33,448 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:04:33,448 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:04:33,449 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:04:33,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:04:33,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:04:33,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:04:33,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:04:33,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:04:33,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:04:33,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:04:33,451 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:04:33,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:04:33,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:04:33,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:04:33,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:04:33,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:04:33,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:04:33,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:04:33,452 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:04:33,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:04:33,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:04:33,453 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:04:33,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:04:33,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:04:33,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:04:33,453 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_a2043fbf-9cac-4c57-89d6-0206e7f48298/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed38c9e762f8d87ccf81e9a295a29e195d4fc2cff176b5fc2b708cdf806c3c5 [2022-12-14 12:04:33,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:04:33,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:04:33,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:04:33,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:04:33,687 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:04:33,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i [2022-12-14 12:04:36,294 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:04:36,608 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:04:36,609 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/sv-benchmarks/c/busybox-1.22.0/uudecode-2.i [2022-12-14 12:04:36,627 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/data/1c693c378/11a04a4602b74ace99ae06263a83e6fd/FLAGb88dbefb6 [2022-12-14 12:04:36,638 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/data/1c693c378/11a04a4602b74ace99ae06263a83e6fd [2022-12-14 12:04:36,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:04:36,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:04:36,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:04:36,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:04:36,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:04:36,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:04:36" (1/1) ... [2022-12-14 12:04:36,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccf1e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:04:36, skipping insertion in model container [2022-12-14 12:04:36,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:04:36" (1/1) ... [2022-12-14 12:04:36,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:04:36,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:04:37,589 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-12-14 12:04:37,594 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 12:04:37,595 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 12:04:37,597 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 12:04:37,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38bdd6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:04:37, skipping insertion in model container [2022-12-14 12:04:37,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:04:37,598 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 12:04:37,600 INFO L158 Benchmark]: Toolchain (without parser) took 958.14ms. Allocated memory is still 140.5MB. Free memory was 102.4MB in the beginning and 67.6MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-14 12:04:37,600 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:04:37,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 956.42ms. Allocated memory is still 140.5MB. Free memory was 101.8MB in the beginning and 67.6MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 12:04:37,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 956.42ms. Allocated memory is still 140.5MB. Free memory was 101.8MB in the beginning and 67.6MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/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_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ed38c9e762f8d87ccf81e9a295a29e195d4fc2cff176b5fc2b708cdf806c3c5 --- 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 12:04:38,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:04:38,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:04:39,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:04:39,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:04:39,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:04:39,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:04:39,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:04:39,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:04:39,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:04:39,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:04:39,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:04:39,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:04:39,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:04:39,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:04:39,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:04:39,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:04:39,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:04:39,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:04:39,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:04:39,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:04:39,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:04:39,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:04:39,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:04:39,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:04:39,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:04:39,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:04:39,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:04:39,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:04:39,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:04:39,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:04:39,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:04:39,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:04:39,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:04:39,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:04:39,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:04:39,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:04:39,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:04:39,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:04:39,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:04:39,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:04:39,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 12:04:39,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:04:39,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:04:39,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:04:39,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:04:39,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:04:39,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:04:39,056 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:04:39,056 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:04:39,056 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:04:39,056 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:04:39,056 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:04:39,056 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:04:39,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:04:39,057 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:04:39,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:04:39,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:04:39,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:04:39,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:04:39,057 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:04:39,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:04:39,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:04:39,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:04:39,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:04:39,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:04:39,059 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:04:39,059 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:04:39,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:04:39,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:04:39,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:04:39,059 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_a2043fbf-9cac-4c57-89d6-0206e7f48298/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed38c9e762f8d87ccf81e9a295a29e195d4fc2cff176b5fc2b708cdf806c3c5 [2022-12-14 12:04:39,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:04:39,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:04:39,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:04:39,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:04:39,285 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:04:39,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i [2022-12-14 12:04:41,823 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:04:42,092 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:04:42,092 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/sv-benchmarks/c/busybox-1.22.0/uudecode-2.i [2022-12-14 12:04:42,109 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/data/d52889b1e/4a44f367faa846969d08f82fe99935de/FLAG1e5b813f0 [2022-12-14 12:04:42,119 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2043fbf-9cac-4c57-89d6-0206e7f48298/bin/utaipan-gh47qXpMRh/data/d52889b1e/4a44f367faa846969d08f82fe99935de [2022-12-14 12:04:42,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:04:42,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:04:42,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:04:42,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:04:42,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:04:42,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:04:42" (1/1) ... [2022-12-14 12:04:42,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cfd6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:04:42, skipping insertion in model container [2022-12-14 12:04:42,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:04:42" (1/1) ... [2022-12-14 12:04:42,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:04:42,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:04:43,020 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-12-14 12:04:43,025 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 12:04:43,026 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 12:04:43,028 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 12:04:43,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a341a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:04:43, skipping insertion in model container [2022-12-14 12:04:43,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:04:43,029 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 12:04:43,030 INFO L158 Benchmark]: Toolchain (without parser) took 906.85ms. Allocated memory is still 77.6MB. Free memory was 50.4MB in the beginning and 39.0MB in the end (delta: 11.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-12-14 12:04:43,030 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:04:43,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 905.36ms. Allocated memory is still 77.6MB. Free memory was 50.2MB in the beginning and 39.0MB in the end (delta: 11.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-12-14 12:04:43,031 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 77.6MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 905.36ms. Allocated memory is still 77.6MB. Free memory was 50.2MB in the beginning and 39.0MB in the end (delta: 11.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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