./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-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_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/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_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/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_0cdd079f-df67-45cb-99ef-403a3f959fcf/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 a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe --- 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 15:13:12,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:13:12,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:13:12,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:13:12,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:13:12,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:13:12,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:13:12,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:13:12,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:13:12,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:13:12,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:13:12,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:13:12,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:13:12,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:13:12,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:13:12,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:13:12,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:13:12,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:13:12,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:13:12,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:13:12,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:13:12,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:13:12,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:13:12,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:13:12,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:13:12,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:13:12,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:13:12,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:13:12,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:13:12,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:13:12,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:13:12,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:13:12,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:13:12,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:13:12,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:13:12,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:13:12,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:13:12,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:13:12,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:13:12,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:13:12,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:13:12,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 15:13:12,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:13:12,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:13:12,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:13:12,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:13:12,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:13:12,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:13:12,733 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:13:12,733 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:13:12,733 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:13:12,733 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:13:12,733 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:13:12,734 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:13:12,734 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:13:12,734 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:13:12,734 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:13:12,735 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:13:12,735 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:13:12,735 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:13:12,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:13:12,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:13:12,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:13:12,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:13:12,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:13:12,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:13:12,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:13:12,737 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:13:12,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:13:12,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:13:12,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:13:12,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:13:12,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:13:12,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:13:12,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:13:12,739 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:13:12,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:13:12,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:13:12,739 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:13:12,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:13:12,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:13:12,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:13:12,740 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_0cdd079f-df67-45cb-99ef-403a3f959fcf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2022-12-14 15:13:12,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:13:12,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:13:12,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:13:12,961 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:13:12,962 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:13:12,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-12-14 15:13:15,519 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:13:15,818 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:13:15,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-12-14 15:13:15,838 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/data/52ef410ef/025d1b9a275548759b78b3f6f1b84483/FLAG1b8707ac1 [2022-12-14 15:13:16,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/data/52ef410ef/025d1b9a275548759b78b3f6f1b84483 [2022-12-14 15:13:16,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:13:16,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:13:16,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:13:16,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:13:16,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:13:16,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:13:16" (1/1) ... [2022-12-14 15:13:16,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7d257a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:16, skipping insertion in model container [2022-12-14 15:13:16,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:13:16" (1/1) ... [2022-12-14 15:13:16,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:13:16,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:13:17,386 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 15:13:17,387 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 15:13:17,388 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 15:13:17,388 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 15:13:17,390 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 15:13:17,395 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 15:13:17,399 WARN L623 FunctionHandler]: Unknown extern function cfgetispeed [2022-12-14 15:13:17,400 WARN L623 FunctionHandler]: Unknown extern function cfgetospeed [2022-12-14 15:13:17,402 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2022-12-14 15:13:17,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66383939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:17, skipping insertion in model container [2022-12-14 15:13:17,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:13:17,403 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:13:17,405 INFO L158 Benchmark]: Toolchain (without parser) took 1307.18ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 76.7MB in the beginning and 71.6MB in the end (delta: 5.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-12-14 15:13:17,405 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:13:17,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1305.63ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 76.7MB in the beginning and 71.6MB in the end (delta: 5.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-12-14 15:13:17,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1305.63ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 76.7MB in the beginning and 71.6MB in the end (delta: 5.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf 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_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/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_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/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_0cdd079f-df67-45cb-99ef-403a3f959fcf/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 a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe --- 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 15:13:18,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:13:18,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:13:18,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:13:18,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:13:18,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:13:18,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:13:18,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:13:18,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:13:18,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:13:18,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:13:18,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:13:18,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:13:18,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:13:18,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:13:18,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:13:18,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:13:18,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:13:18,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:13:18,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:13:18,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:13:18,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:13:18,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:13:18,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:13:18,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:13:18,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:13:18,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:13:18,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:13:18,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:13:18,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:13:18,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:13:18,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:13:18,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:13:18,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:13:18,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:13:18,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:13:18,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:13:18,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:13:18,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:13:18,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:13:18,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:13:18,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 15:13:18,848 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:13:18,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:13:18,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:13:18,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:13:18,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:13:18,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:13:18,850 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:13:18,850 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:13:18,850 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:13:18,850 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:13:18,850 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:13:18,850 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:13:18,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:13:18,851 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:13:18,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:13:18,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:13:18,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:13:18,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:13:18,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:13:18,852 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:13:18,852 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:13:18,852 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:13:18,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:13:18,852 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:13:18,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:13:18,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:13:18,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:13:18,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:13:18,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:13:18,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:13:18,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:13:18,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:13:18,867 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:13:18,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:13:18,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:13:18,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:13:18,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:13:18,868 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_0cdd079f-df67-45cb-99ef-403a3f959fcf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2022-12-14 15:13:19,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:13:19,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:13:19,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:13:19,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:13:19,091 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:13:19,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-12-14 15:13:21,686 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:13:21,971 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:13:21,971 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-12-14 15:13:21,987 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/data/584794454/8054614d1d6c49d0a3c53ace4712888b/FLAG42a60267a [2022-12-14 15:13:21,998 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cdd079f-df67-45cb-99ef-403a3f959fcf/bin/utaipan-gh47qXpMRh/data/584794454/8054614d1d6c49d0a3c53ace4712888b [2022-12-14 15:13:22,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:13:22,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:13:22,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:13:22,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:13:22,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:13:22,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:13:21" (1/1) ... [2022-12-14 15:13:22,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83845a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:22, skipping insertion in model container [2022-12-14 15:13:22,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:13:21" (1/1) ... [2022-12-14 15:13:22,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:13:22,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:13:23,211 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 15:13:23,212 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 15:13:23,213 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 15:13:23,213 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 15:13:23,215 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 15:13:23,220 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 15:13:23,225 WARN L623 FunctionHandler]: Unknown extern function cfgetispeed [2022-12-14 15:13:23,225 WARN L623 FunctionHandler]: Unknown extern function cfgetospeed [2022-12-14 15:13:23,228 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2022-12-14 15:13:23,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19ce6afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:13:23, skipping insertion in model container [2022-12-14 15:13:23,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:13:23,228 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:13:23,230 INFO L158 Benchmark]: Toolchain (without parser) took 1228.56ms. Allocated memory is still 109.1MB. Free memory was 86.3MB in the beginning and 78.8MB in the end (delta: 7.5MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-12-14 15:13:23,230 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:13:23,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1227.00ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 78.8MB in the end (delta: 7.1MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-12-14 15:13:23,231 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 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1227.00ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 78.8MB in the end (delta: 7.1MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf 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