./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/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_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/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_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/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 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- 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 05:33:20,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:33:20,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:33:20,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:33:20,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:33:20,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:33:20,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:33:20,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:33:20,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:33:20,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:33:20,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:33:20,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:33:20,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:33:20,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:33:20,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:33:20,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:33:20,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:33:20,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:33:20,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:33:20,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:33:20,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:33:20,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:33:20,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:33:20,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:33:20,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:33:20,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:33:20,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:33:20,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:33:20,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:33:20,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:33:20,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:33:20,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:33:20,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:33:20,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:33:20,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:33:20,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:33:20,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:33:20,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:33:20,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:33:20,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:33:20,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:33:20,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 05:33:20,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:33:20,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:33:20,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:33:20,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:33:20,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:33:20,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:33:20,506 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:33:20,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:33:20,506 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:33:20,506 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:33:20,506 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:33:20,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:33:20,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:33:20,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:33:20,507 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:33:20,507 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:33:20,508 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:33:20,508 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:33:20,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:33:20,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:33:20,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:33:20,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:33:20,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:33:20,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:33:20,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:33:20,510 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:33:20,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:33:20,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:33:20,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:33:20,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:33:20,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:33:20,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:33:20,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:33:20,511 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:33:20,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:33:20,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:33:20,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:33:20,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:33:20,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:33:20,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:33:20,513 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_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2022-12-14 05:33:20,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:33:20,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:33:20,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:33:20,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:33:20,751 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:33:20,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-12-14 05:33:23,320 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:33:23,541 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:33:23,542 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-12-14 05:33:23,555 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/data/cf1cb3a96/7cf8454d514b4072841bbb5e9f21e988/FLAGafe03d522 [2022-12-14 05:33:23,567 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/data/cf1cb3a96/7cf8454d514b4072841bbb5e9f21e988 [2022-12-14 05:33:23,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:33:23,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:33:23,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:33:23,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:33:23,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:33:23,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:33:23" (1/1) ... [2022-12-14 05:33:23,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264a0f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:23, skipping insertion in model container [2022-12-14 05:33:23,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:33:23" (1/1) ... [2022-12-14 05:33:23,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:33:23,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:33:24,224 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 05:33:24,231 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 05:33:24,233 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2022-12-14 05:33:24,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7efe65f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:24, skipping insertion in model container [2022-12-14 05:33:24,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:33:24,234 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 05:33:24,235 INFO L158 Benchmark]: Toolchain (without parser) took 665.14ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 67.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 05:33:24,236 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory was 90.0MB in the beginning and 89.9MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:33:24,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.14ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 67.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 05:33:24,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory was 90.0MB in the beginning and 89.9MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.14ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 67.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/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_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/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_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/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 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- 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 05:33:25,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:33:25,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:33:25,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:33:25,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:33:25,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:33:25,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:33:25,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:33:25,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:33:25,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:33:25,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:33:25,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:33:25,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:33:25,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:33:25,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:33:25,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:33:25,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:33:25,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:33:25,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:33:25,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:33:25,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:33:25,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:33:25,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:33:25,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:33:25,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:33:25,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:33:25,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:33:25,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:33:25,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:33:25,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:33:25,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:33:25,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:33:25,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:33:25,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:33:25,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:33:25,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:33:25,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:33:25,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:33:25,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:33:25,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:33:25,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:33:25,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 05:33:25,620 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:33:25,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:33:25,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:33:25,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:33:25,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:33:25,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:33:25,622 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:33:25,622 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:33:25,622 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:33:25,622 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:33:25,622 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:33:25,622 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:33:25,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:33:25,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:33:25,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:33:25,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:33:25,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:33:25,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:33:25,623 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:33:25,624 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:33:25,624 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:33:25,624 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:33:25,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:33:25,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:33:25,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:33:25,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:33:25,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:33:25,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:33:25,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:33:25,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:33:25,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:33:25,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:33:25,625 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:33:25,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:33:25,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:33:25,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:33:25,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:33:25,626 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_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2022-12-14 05:33:25,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:33:25,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:33:25,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:33:25,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:33:25,881 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:33:25,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-12-14 05:33:28,400 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:33:28,667 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:33:28,667 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-12-14 05:33:28,684 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/data/163e3ac3f/7248f9821b13468096e2163d313a735e/FLAG74a8e1b48 [2022-12-14 05:33:28,697 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e7ccf7-44e3-4855-8a8c-bdc9d18949c0/bin/utaipan-gh47qXpMRh/data/163e3ac3f/7248f9821b13468096e2163d313a735e [2022-12-14 05:33:28,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:33:28,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:33:28,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:33:28,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:33:28,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:33:28,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:33:28" (1/1) ... [2022-12-14 05:33:28,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ebe1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:28, skipping insertion in model container [2022-12-14 05:33:28,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:33:28" (1/1) ... [2022-12-14 05:33:28,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:33:28,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:33:29,412 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 05:33:29,422 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 05:33:29,426 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2022-12-14 05:33:29,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b18e984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:29, skipping insertion in model container [2022-12-14 05:33:29,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:33:29,427 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 05:33:29,428 INFO L158 Benchmark]: Toolchain (without parser) took 727.16ms. Allocated memory is still 102.8MB. Free memory was 77.2MB in the beginning and 77.5MB in the end (delta: -219.4kB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-12-14 05:33:29,429 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:33:29,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.33ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 77.5MB in the end (delta: -464.3kB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-12-14 05:33:29,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.33ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 77.5MB in the end (delta: -464.3kB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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