./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba --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 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 --- 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-b5237d8 [2022-11-22 02:18:51,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:18:51,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:18:51,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:18:51,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:18:51,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:18:51,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:18:51,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:18:51,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:18:51,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:18:51,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:18:51,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:18:51,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:18:51,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:18:51,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:18:51,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:18:51,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:18:51,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:18:51,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:18:51,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:18:51,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:18:51,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:18:51,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:18:51,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:18:51,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:18:51,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:18:51,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:18:51,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:18:51,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:18:51,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:18:51,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:18:51,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:18:51,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:18:51,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:18:51,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:18:51,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:18:51,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:18:51,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:18:51,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:18:51,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:18:51,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:18:51,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 02:18:51,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:18:51,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:18:51,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:18:51,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:18:51,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:18:51,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:18:51,946 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:18:51,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:18:51,946 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:18:51,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:18:51,947 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:18:51,947 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:18:51,947 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:18:51,948 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:18:51,948 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:18:51,948 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:18:51,948 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:18:51,949 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:18:51,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:18:51,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:18:51,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:18:51,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:18:51,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:18:51,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:18:51,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:18:51,951 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:18:51,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:18:51,952 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:18:51,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:18:51,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:18:51,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:18:51,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:18:51,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:18:51,954 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:18:51,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:18:51,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:18:51,954 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:18:51,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:18:51,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:18:51,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:18:51,955 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_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 [2022-11-22 02:18:52,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:18:52,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:18:52,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:18:52,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:18:52,229 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:18:52,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/fold-2.i [2022-11-22 02:18:55,328 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:18:55,787 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:18:55,788 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/sv-benchmarks/c/busybox-1.22.0/fold-2.i [2022-11-22 02:18:55,809 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/data/6f2c4c1b9/0f7a25bd1ee842e787f40aaa06444909/FLAGd092ee88e [2022-11-22 02:18:55,825 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/data/6f2c4c1b9/0f7a25bd1ee842e787f40aaa06444909 [2022-11-22 02:18:55,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:18:55,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:18:55,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:18:55,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:18:55,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:18:55,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:55" (1/1) ... [2022-11-22 02:18:55,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd9ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:55, skipping insertion in model container [2022-11-22 02:18:55,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:55" (1/1) ... [2022-11-22 02:18:55,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:18:55,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:18:57,361 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-22 02:18:57,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43e43844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:57, skipping insertion in model container [2022-11-22 02:18:57,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:18:57,362 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:18:57,364 INFO L158 Benchmark]: Toolchain (without parser) took 1531.41ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 90.0MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 02:18:57,365 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:18:57,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1523.72ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 90.0MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 02:18:57,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1523.72ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 90.0MB in the end (delta: 27.6MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba --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 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 --- 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-b5237d8 [2022-11-22 02:18:59,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:18:59,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:18:59,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:18:59,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:18:59,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:18:59,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:18:59,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:18:59,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:18:59,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:18:59,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:18:59,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:18:59,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:18:59,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:18:59,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:18:59,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:18:59,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:18:59,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:18:59,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:18:59,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:18:59,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:18:59,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:18:59,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:18:59,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:18:59,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:18:59,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:18:59,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:18:59,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:18:59,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:18:59,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:18:59,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:18:59,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:18:59,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:18:59,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:18:59,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:18:59,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:18:59,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:18:59,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:18:59,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:18:59,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:18:59,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:18:59,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-22 02:18:59,691 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:18:59,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:18:59,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:18:59,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:18:59,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:18:59,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:18:59,697 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:18:59,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:18:59,698 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:18:59,698 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:18:59,699 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:18:59,699 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:18:59,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:18:59,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:18:59,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:18:59,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:18:59,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:18:59,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:18:59,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:18:59,702 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:18:59,702 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:18:59,702 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:18:59,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:18:59,703 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:18:59,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:18:59,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:18:59,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:18:59,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:18:59,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:18:59,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:18:59,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:18:59,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:18:59,705 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:18:59,706 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:18:59,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:18:59,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:18:59,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:18:59,706 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_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 [2022-11-22 02:19:00,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:19:00,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:19:00,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:19:00,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:19:00,108 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:19:00,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/fold-2.i [2022-11-22 02:19:03,310 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:19:03,826 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:19:03,827 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/sv-benchmarks/c/busybox-1.22.0/fold-2.i [2022-11-22 02:19:03,866 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/data/87d8237d7/d504aa06a3f14c67853855978cbec05a/FLAG1a12129d0 [2022-11-22 02:19:03,893 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b94086ce-d9e7-4123-bedd-a698c44cbcc2/bin/utaipan-g80aRyZoba/data/87d8237d7/d504aa06a3f14c67853855978cbec05a [2022-11-22 02:19:03,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:19:03,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:19:03,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:19:03,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:19:03,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:19:03,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:19:03" (1/1) ... [2022-11-22 02:19:03,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1796f7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:03, skipping insertion in model container [2022-11-22 02:19:03,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:19:03" (1/1) ... [2022-11-22 02:19:03,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:19:04,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:19:05,282 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-22 02:19:05,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1dc12781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:05, skipping insertion in model container [2022-11-22 02:19:05,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:19:05,285 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:19:05,287 INFO L158 Benchmark]: Toolchain (without parser) took 1387.74ms. Allocated memory is still 67.1MB. Free memory was 40.7MB in the beginning and 43.2MB in the end (delta: -2.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-11-22 02:19:05,288 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:19:05,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.34ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 43.2MB in the end (delta: -2.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-11-22 02:19:05,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.34ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 43.2MB in the end (delta: -2.7MB). Peak memory consumption was 18.6MB. 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