./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-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_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/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_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/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_3d142527-8581-4dce-a1cf-a17997fab66c/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 64b70d709fcf91425b4d924aa16c47bf27caac0bca27c95a63838e54a803b231 --- 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 [2022-11-26 01:03:14,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:03:14,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:03:14,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:03:14,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:03:14,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:03:14,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:03:14,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:03:14,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:03:14,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:03:14,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:03:14,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:03:14,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:03:14,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:03:14,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:03:14,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:03:14,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:03:14,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:03:14,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:03:14,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:03:14,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:03:14,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:03:14,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:03:14,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:03:14,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:03:14,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:03:14,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:03:14,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:03:14,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:03:14,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:03:14,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:03:14,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:03:14,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:03:14,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:03:14,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:03:14,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:03:14,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:03:14,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:03:14,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:03:14,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:03:14,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:03:14,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 01:03:14,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:03:14,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:03:14,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:03:14,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:03:14,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:03:14,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:03:14,983 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:03:14,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:03:14,983 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:03:14,984 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:03:14,985 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:03:14,985 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:03:14,985 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:03:14,985 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:03:14,986 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:03:14,986 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:03:14,986 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:03:14,986 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:03:14,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:03:14,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:03:14,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:03:14,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:03:14,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:03:14,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:03:14,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:03:14,989 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:03:14,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:03:14,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:03:14,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:03:14,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:03:14,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:03:14,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:03:14,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:03:14,992 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:03:14,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:03:14,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:03:14,992 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:03:14,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:03:14,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:03:14,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:03:14,993 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_3d142527-8581-4dce-a1cf-a17997fab66c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b70d709fcf91425b4d924aa16c47bf27caac0bca27c95a63838e54a803b231 [2022-11-26 01:03:15,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:03:15,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:03:15,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:03:15,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:03:15,336 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:03:15,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2022-11-26 01:03:18,406 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:03:18,879 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:03:18,880 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2022-11-26 01:03:18,922 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/data/cf1b3e9e5/b62f9cd47b9546d3b3527d60b32a5dcb/FLAGaad315a44 [2022-11-26 01:03:18,942 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/data/cf1b3e9e5/b62f9cd47b9546d3b3527d60b32a5dcb [2022-11-26 01:03:18,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:03:18,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:03:18,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:18,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:03:18,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:03:18,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:18" (1/1) ... [2022-11-26 01:03:18,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a22799b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:18, skipping insertion in model container [2022-11-26 01:03:18,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:18" (1/1) ... [2022-11-26 01:03:18,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:03:19,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:03:20,643 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 01:03:20,652 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:03:20,653 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 01:03:20,656 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 01:03:20,673 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 01:03:20,675 WARN L623 FunctionHandler]: Unknown extern function ferror [2022-11-26 01:03:20,677 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-26 01:03:20,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@196470ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:20, skipping insertion in model container [2022-11-26 01:03:20,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:20,678 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:03:20,680 INFO L158 Benchmark]: Toolchain (without parser) took 1730.32ms. Allocated memory is still 163.6MB. Free memory was 126.0MB in the beginning and 96.1MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-26 01:03:20,681 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory was 105.8MB in the beginning and 105.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:03:20,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1725.74ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 96.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-26 01:03:20,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory was 105.8MB in the beginning and 105.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1725.74ms. Allocated memory is still 163.6MB. Free memory was 125.4MB in the beginning and 96.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die 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_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/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_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/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_3d142527-8581-4dce-a1cf-a17997fab66c/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 64b70d709fcf91425b4d924aa16c47bf27caac0bca27c95a63838e54a803b231 --- 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 [2022-11-26 01:03:22,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:03:22,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:03:22,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:03:22,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:03:22,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:03:22,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:03:22,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:03:22,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:03:23,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:03:23,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:03:23,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:03:23,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:03:23,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:03:23,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:03:23,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:03:23,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:03:23,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:03:23,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:03:23,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:03:23,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:03:23,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:03:23,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:03:23,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:03:23,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:03:23,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:03:23,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:03:23,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:03:23,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:03:23,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:03:23,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:03:23,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:03:23,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:03:23,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:03:23,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:03:23,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:03:23,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:03:23,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:03:23,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:03:23,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:03:23,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:03:23,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 01:03:23,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:03:23,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:03:23,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:03:23,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:03:23,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:03:23,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:03:23,113 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:03:23,113 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:03:23,114 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:03:23,114 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:03:23,115 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:03:23,115 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:03:23,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:03:23,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:03:23,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:03:23,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:03:23,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:03:23,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:03:23,118 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:03:23,118 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:03:23,119 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:03:23,119 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:03:23,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:03:23,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:03:23,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:03:23,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:03:23,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:03:23,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:03:23,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:03:23,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:03:23,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:03:23,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:03:23,122 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:03:23,122 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:03:23,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:03:23,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:03:23,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:03:23,123 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_3d142527-8581-4dce-a1cf-a17997fab66c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64b70d709fcf91425b4d924aa16c47bf27caac0bca27c95a63838e54a803b231 [2022-11-26 01:03:23,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:03:23,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:03:23,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:03:23,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:03:23,571 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:03:23,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2022-11-26 01:03:26,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:03:27,169 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:03:27,175 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/sv-benchmarks/c/busybox-1.22.0/uniq-1.i [2022-11-26 01:03:27,214 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/data/5cc76d0aa/86ce9d5c608f4beb9a17cfe2f3a25498/FLAG7503c459e [2022-11-26 01:03:27,235 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d142527-8581-4dce-a1cf-a17997fab66c/bin/utaipan-ByfvJB40ur/data/5cc76d0aa/86ce9d5c608f4beb9a17cfe2f3a25498 [2022-11-26 01:03:27,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:03:27,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:03:27,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:27,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:03:27,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:03:27,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:27" (1/1) ... [2022-11-26 01:03:27,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418d7d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:27, skipping insertion in model container [2022-11-26 01:03:27,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:27" (1/1) ... [2022-11-26 01:03:27,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:03:27,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:03:28,621 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 01:03:28,634 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:03:28,644 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 01:03:28,647 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 01:03:28,670 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 01:03:28,674 WARN L623 FunctionHandler]: Unknown extern function ferror [2022-11-26 01:03:28,676 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-26 01:03:28,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62b802de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:28, skipping insertion in model container [2022-11-26 01:03:28,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:28,677 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:03:28,679 INFO L158 Benchmark]: Toolchain (without parser) took 1438.94ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 42.6MB in the beginning and 65.1MB in the end (delta: -22.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-26 01:03:28,680 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:03:28,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1434.68ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 42.4MB in the beginning and 65.6MB in the end (delta: -23.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-26 01:03:28,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1434.68ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 42.4MB in the beginning and 65.6MB in the end (delta: -23.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die 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