./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-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_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/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_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/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_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:22:26,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:22:26,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:22:26,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:22:26,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:22:26,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:22:26,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:22:26,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:22:26,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:22:26,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:22:26,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:22:26,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:22:26,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:22:26,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:22:26,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:22:26,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:22:26,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:22:26,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:22:26,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:22:26,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:22:26,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:22:26,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:22:26,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:22:26,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:22:26,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:22:26,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:22:26,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:22:26,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:22:26,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:22:26,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:22:26,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:22:26,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:22:26,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:22:26,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:22:26,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:22:26,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:22:26,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:22:26,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:22:26,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:22:26,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:22:26,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:22:26,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:22:26,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:22:26,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:22:26,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:22:26,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:22:26,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:22:26,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:22:26,815 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:22:26,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:22:26,816 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:22:26,816 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:22:26,816 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:22:26,817 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:22:26,817 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:22:26,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:22:26,818 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:22:26,819 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:22:26,819 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:22:26,819 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:22:26,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:22:26,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:22:26,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:22:26,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:22:26,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:22:26,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:22:26,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:22:26,822 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:22:26,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:22:26,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:22:26,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:22:26,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:22:26,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:22:26,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:22:26,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:22:26,824 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:22:26,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:22:26,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:22:26,825 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:22:26,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:22:26,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:22:26,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:22:26,826 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_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2022-11-25 23:22:27,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:22:27,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:22:27,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:22:27,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:22:27,212 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:22:27,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-11-25 23:22:30,497 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:22:31,081 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:22:31,082 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-11-25 23:22:31,122 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/data/47c5b0122/e40a7398a7b84662b6cdb938b718e1e9/FLAGce241ca38 [2022-11-25 23:22:31,148 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/data/47c5b0122/e40a7398a7b84662b6cdb938b718e1e9 [2022-11-25 23:22:31,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:22:31,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:22:31,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:22:31,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:22:31,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:22:31,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:31" (1/1) ... [2022-11-25 23:22:31,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441cabb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:31, skipping insertion in model container [2022-11-25 23:22:31,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:31" (1/1) ... [2022-11-25 23:22:31,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:22:31,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:22:32,906 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:22:32,916 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:22:32,920 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:22:32,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@500dab7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:32, skipping insertion in model container [2022-11-25 23:22:32,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:22:32,924 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:22:32,927 INFO L158 Benchmark]: Toolchain (without parser) took 1767.67ms. Allocated memory is still 176.2MB. Free memory was 145.0MB in the beginning and 116.2MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-25 23:22:32,927 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:22:32,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1760.42ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 116.2MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 23:22:32,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1760.42ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 116.2MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/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_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/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_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:22:35,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:22:35,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:22:35,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:22:35,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:22:35,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:22:35,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:22:35,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:22:35,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:22:35,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:22:35,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:22:35,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:22:35,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:22:35,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:22:35,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:22:35,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:22:35,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:22:35,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:22:35,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:22:35,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:22:35,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:22:35,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:22:35,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:22:35,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:22:35,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:22:35,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:22:35,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:22:35,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:22:35,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:22:35,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:22:35,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:22:35,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:22:35,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:22:35,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:22:35,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:22:35,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:22:35,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:22:35,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:22:35,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:22:35,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:22:35,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:22:35,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:22:35,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:22:35,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:22:35,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:22:35,686 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:22:35,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:22:35,687 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:22:35,688 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:22:35,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:22:35,688 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:22:35,689 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:22:35,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:22:35,690 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:22:35,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:22:35,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:22:35,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:22:35,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:22:35,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:22:35,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:22:35,694 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:22:35,694 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:22:35,694 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:22:35,695 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:22:35,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:22:35,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:22:35,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:22:35,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:22:35,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:22:35,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:22:35,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:22:35,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:22:35,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:22:35,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:22:35,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:22:35,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:22:35,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:22:35,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:22:35,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:22:35,701 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_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2022-11-25 23:22:36,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:22:36,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:22:36,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:22:36,292 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:22:36,294 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:22:36,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-11-25 23:22:39,953 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:22:40,499 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:22:40,501 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-11-25 23:22:40,546 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/data/0d655f154/0ec9fa24782a4d2d977dc9d08e299662/FLAGd5ae8efdc [2022-11-25 23:22:40,565 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c4c9f4-1f9a-4d54-9a21-eacac5491f77/bin/utaipan-ByfvJB40ur/data/0d655f154/0ec9fa24782a4d2d977dc9d08e299662 [2022-11-25 23:22:40,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:22:40,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:22:40,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:22:40,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:22:40,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:22:40,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:40" (1/1) ... [2022-11-25 23:22:40,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382fba0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:40, skipping insertion in model container [2022-11-25 23:22:40,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:40" (1/1) ... [2022-11-25 23:22:40,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:22:40,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:22:42,264 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:22:42,267 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:22:42,270 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:22:42,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3012c5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:42, skipping insertion in model container [2022-11-25 23:22:42,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:22:42,273 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:22:42,275 INFO L158 Benchmark]: Toolchain (without parser) took 1704.21ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 42.6MB in the beginning and 62.8MB in the end (delta: -20.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-11-25 23:22:42,276 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 71.3MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:22:42,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1701.12ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 42.4MB in the beginning and 62.8MB in the end (delta: -20.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-11-25 23:22:42,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 71.3MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1701.12ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 42.4MB in the beginning and 62.8MB in the end (delta: -20.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN