./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tee-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur --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 63da5cc22f5a009319953c5785e163b443547f48da0154edcbca3710248611c6 --- 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-38b53e6 [2022-11-25 23:40:42,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:40:42,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:40:42,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:40:42,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:40:42,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:40:42,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:40:42,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:40:42,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:40:42,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:40:42,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:40:42,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:40:42,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:40:42,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:40:42,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:40:42,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:40:42,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:40:42,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:40:42,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:40:42,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:40:42,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:40:42,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:40:42,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:40:42,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:40:42,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:40:42,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:40:42,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:40:42,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:40:42,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:40:42,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:40:42,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:40:42,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:40:42,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:40:42,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:40:42,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:40:42,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:40:42,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:40:42,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:40:42,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:40:42,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:40:42,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:40:42,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:40:42,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:40:42,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:40:42,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:40:42,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:40:42,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:40:42,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:40:42,481 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:40:42,481 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:40:42,482 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:40:42,482 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:40:42,482 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:40:42,482 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:40:42,482 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:40:42,482 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:40:42,483 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:40:42,483 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:40:42,483 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:40:42,483 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:40:42,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:40:42,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:40:42,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:40:42,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:40:42,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:40:42,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:40:42,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:40:42,485 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:40:42,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:40:42,485 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:40:42,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:40:42,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:40:42,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:40:42,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:40:42,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:40:42,487 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:40:42,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:40:42,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:40:42,487 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:40:42,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:40:42,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:40:42,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:40:42,488 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_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63da5cc22f5a009319953c5785e163b443547f48da0154edcbca3710248611c6 [2022-11-25 23:40:42,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:40:42,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:40:42,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:40:42,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:40:42,815 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:40:42,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/tee-1.i [2022-11-25 23:40:45,867 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:40:46,355 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:40:46,356 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/sv-benchmarks/c/busybox-1.22.0/tee-1.i [2022-11-25 23:40:46,398 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/data/5cf245233/e0d10aea54a44558aeb5608c40f258ba/FLAG2d095125a [2022-11-25 23:40:46,422 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/data/5cf245233/e0d10aea54a44558aeb5608c40f258ba [2022-11-25 23:40:46,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:40:46,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:40:46,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:40:46,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:40:46,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:40:46,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:40:46" (1/1) ... [2022-11-25 23:40:46,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40846b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:40:46, skipping insertion in model container [2022-11-25 23:40:46,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:40:46" (1/1) ... [2022-11-25 23:40:46,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:40:46,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:40:47,713 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:40:47,714 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:40:47,719 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:40:47,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a07360a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:40:47, skipping insertion in model container [2022-11-25 23:40:47,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:40:47,721 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:40:47,723 INFO L158 Benchmark]: Toolchain (without parser) took 1291.00ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 97.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:40:47,723 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory was 88.1MB in the beginning and 87.9MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:40:47,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1281.81ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 97.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:40:47,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory was 88.1MB in the beginning and 87.9MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1281.81ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 97.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2272]: 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_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur --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 63da5cc22f5a009319953c5785e163b443547f48da0154edcbca3710248611c6 --- 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-38b53e6 [2022-11-25 23:40:50,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:40:50,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:40:50,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:40:50,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:40:50,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:40:50,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:40:50,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:40:50,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:40:50,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:40:50,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:40:50,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:40:50,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:40:50,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:40:50,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:40:50,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:40:50,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:40:50,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:40:50,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:40:50,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:40:50,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:40:50,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:40:50,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:40:50,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:40:50,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:40:50,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:40:50,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:40:50,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:40:50,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:40:50,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:40:50,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:40:50,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:40:50,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:40:50,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:40:50,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:40:50,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:40:50,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:40:50,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:40:50,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:40:50,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:40:50,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:40:50,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:40:50,359 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:40:50,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:40:50,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:40:50,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:40:50,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:40:50,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:40:50,364 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:40:50,364 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:40:50,364 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:40:50,364 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:40:50,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:40:50,366 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:40:50,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:40:50,368 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:40:50,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:40:50,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:40:50,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:40:50,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:40:50,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:40:50,370 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:40:50,370 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:40:50,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:40:50,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:40:50,371 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:40:50,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:40:50,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:40:50,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:40:50,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:40:50,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:40:50,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:40:50,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:40:50,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:40:50,374 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:40:50,374 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:40:50,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:40:50,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:40:50,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:40:50,375 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_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63da5cc22f5a009319953c5785e163b443547f48da0154edcbca3710248611c6 [2022-11-25 23:40:50,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:40:50,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:40:50,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:40:50,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:40:50,808 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:40:50,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/tee-1.i [2022-11-25 23:40:53,916 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:40:54,366 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:40:54,367 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/sv-benchmarks/c/busybox-1.22.0/tee-1.i [2022-11-25 23:40:54,407 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/data/2d92e1a2a/b70ea2a3dd0f4cc49f6bbee4eb569cac/FLAG16dd12583 [2022-11-25 23:40:54,431 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3ae00d-a133-4b1a-90c5-e72ef8f2ef1d/bin/utaipan-ByfvJB40ur/data/2d92e1a2a/b70ea2a3dd0f4cc49f6bbee4eb569cac [2022-11-25 23:40:54,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:40:54,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:40:54,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:40:54,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:40:54,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:40:54,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:40:54" (1/1) ... [2022-11-25 23:40:54,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ced2b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:40:54, skipping insertion in model container [2022-11-25 23:40:54,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:40:54" (1/1) ... [2022-11-25 23:40:54,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:40:54,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:40:55,856 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:40:55,861 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:40:55,864 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:40:55,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@502e8ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:40:55, skipping insertion in model container [2022-11-25 23:40:55,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:40:55,866 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:40:55,869 INFO L158 Benchmark]: Toolchain (without parser) took 1432.49ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 31.1MB in the beginning and 59.3MB in the end (delta: -28.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 23:40:55,869 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:40:55,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1425.97ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 30.8MB in the beginning and 59.3MB in the end (delta: -28.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 23:40:55,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1425.97ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 30.8MB in the beginning and 59.3MB in the end (delta: -28.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2272]: 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