./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/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_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/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_06b1bce3-2693-49b0-bc58-c762521668e5/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 5ed38c9e762f8d87ccf81e9a295a29e195d4fc2cff176b5fc2b708cdf806c3c5 --- 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 00:08:49,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:08:49,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:08:49,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:08:49,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:08:49,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:08:49,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:08:49,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:08:49,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:08:49,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:08:49,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:08:49,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:08:49,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:08:49,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:08:49,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:08:49,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:08:49,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:08:49,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:08:49,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:08:49,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:08:49,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:08:49,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:08:49,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:08:49,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:08:49,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:08:49,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:08:49,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:08:49,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:08:49,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:08:49,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:08:49,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:08:49,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:08:49,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:08:49,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:08:49,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:08:49,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:08:49,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:08:49,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:08:49,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:08:49,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:08:49,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:08:49,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:08:49,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:08:49,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:08:49,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:08:49,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:08:49,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:08:49,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:08:49,829 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:08:49,829 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:08:49,830 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:08:49,830 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:08:49,831 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:08:49,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:08:49,832 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:08:49,832 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:08:49,833 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:08:49,833 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:08:49,834 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:08:49,834 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:08:49,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:08:49,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:08:49,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:08:49,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:08:49,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:08:49,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:08:49,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:08:49,838 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:08:49,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:08:49,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:08:49,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:08:49,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:08:49,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:08:49,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:08:49,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:08:49,841 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:08:49,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:08:49,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:08:49,843 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:08:49,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:08:49,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:08:49,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:08:49,844 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_06b1bce3-2693-49b0-bc58-c762521668e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed38c9e762f8d87ccf81e9a295a29e195d4fc2cff176b5fc2b708cdf806c3c5 [2022-11-26 00:08:50,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:08:50,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:08:50,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:08:50,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:08:50,229 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:08:50,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i [2022-11-26 00:08:53,283 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:08:53,756 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:08:53,760 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/sv-benchmarks/c/busybox-1.22.0/uudecode-2.i [2022-11-26 00:08:53,810 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/data/e5c905a9c/8ebc5f65054d49e08ef527fc1fba3468/FLAG33f2c1d17 [2022-11-26 00:08:53,831 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/data/e5c905a9c/8ebc5f65054d49e08ef527fc1fba3468 [2022-11-26 00:08:53,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:08:53,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:08:53,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:08:53,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:08:53,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:08:53,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:08:53" (1/1) ... [2022-11-26 00:08:53,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188243f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:53, skipping insertion in model container [2022-11-26 00:08:53,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:08:53" (1/1) ... [2022-11-26 00:08:53,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:08:53,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:08:55,580 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 00:08:55,603 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:08:55,605 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:08:55,609 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:08:55,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@813e92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:08:55, skipping insertion in model container [2022-11-26 00:08:55,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:08:55,612 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:08:55,614 INFO L158 Benchmark]: Toolchain (without parser) took 1774.97ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 112.3MB in the end (delta: -5.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-26 00:08:55,615 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 85.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:08:55,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1770.32ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 112.3MB in the end (delta: -5.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-26 00:08:55,618 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 109.1MB. Free memory was 85.5MB in the beginning and 85.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1770.32ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 112.3MB in the end (delta: -5.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/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_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/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_06b1bce3-2693-49b0-bc58-c762521668e5/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 5ed38c9e762f8d87ccf81e9a295a29e195d4fc2cff176b5fc2b708cdf806c3c5 --- 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 00:08:58,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:08:58,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:08:58,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:08:58,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:08:58,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:08:58,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:08:58,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:08:58,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:08:58,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:08:58,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:08:58,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:08:58,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:08:58,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:08:58,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:08:58,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:08:58,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:08:58,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:08:58,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:08:58,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:08:58,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:08:58,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:08:58,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:08:58,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:08:58,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:08:58,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:08:58,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:08:58,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:08:58,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:08:58,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:08:58,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:08:58,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:08:58,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:08:58,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:08:58,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:08:58,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:08:58,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:08:58,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:08:58,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:08:58,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:08:58,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:08:58,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:08:58,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:08:58,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:08:58,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:08:58,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:08:58,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:08:58,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:08:58,169 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:08:58,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:08:58,169 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:08:58,169 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:08:58,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:08:58,171 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:08:58,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:08:58,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:08:58,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:08:58,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:08:58,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:08:58,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:08:58,173 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:08:58,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:08:58,174 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:08:58,174 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:08:58,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:08:58,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:08:58,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:08:58,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:08:58,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:08:58,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:08:58,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:08:58,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:08:58,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:08:58,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:08:58,177 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:08:58,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:08:58,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:08:58,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:08:58,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:08:58,178 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_06b1bce3-2693-49b0-bc58-c762521668e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed38c9e762f8d87ccf81e9a295a29e195d4fc2cff176b5fc2b708cdf806c3c5 [2022-11-26 00:08:58,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:08:58,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:08:58,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:08:58,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:08:58,609 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:08:58,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/uudecode-2.i [2022-11-26 00:09:01,771 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:09:02,305 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:09:02,309 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/sv-benchmarks/c/busybox-1.22.0/uudecode-2.i [2022-11-26 00:09:02,362 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/data/758589465/26b07139c9f648559a231dc9e041b48f/FLAG2876ca5d1 [2022-11-26 00:09:02,389 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1bce3-2693-49b0-bc58-c762521668e5/bin/utaipan-ByfvJB40ur/data/758589465/26b07139c9f648559a231dc9e041b48f [2022-11-26 00:09:02,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:09:02,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:09:02,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:09:02,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:09:02,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:09:02,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:09:02" (1/1) ... [2022-11-26 00:09:02,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d10ff27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:02, skipping insertion in model container [2022-11-26 00:09:02,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:09:02" (1/1) ... [2022-11-26 00:09:02,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:09:02,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:09:04,134 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 00:09:04,142 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:09:04,143 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:09:04,146 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:09:04,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@761269db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:09:04, skipping insertion in model container [2022-11-26 00:09:04,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:09:04,147 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:09:04,149 INFO L158 Benchmark]: Toolchain (without parser) took 1751.15ms. Allocated memory is still 75.5MB. Free memory was 45.7MB in the beginning and 32.4MB in the end (delta: 13.3MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-26 00:09:04,150 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:09:04,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1741.61ms. Allocated memory is still 75.5MB. Free memory was 45.5MB in the beginning and 32.4MB in the end (delta: 13.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-26 00:09:04,152 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 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1741.61ms. Allocated memory is still 75.5MB. Free memory was 45.5MB in the beginning and 32.4MB in the end (delta: 13.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2436]: 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