./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-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_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/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_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/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_62fd6d70-1522-4c49-a676-18fa5e9bb446/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 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- 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 22:14:23,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:14:23,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:14:23,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:14:23,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:14:23,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:14:23,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:14:23,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:14:23,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:14:23,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:14:23,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:14:23,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:14:23,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:14:23,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:14:23,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:14:23,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:14:23,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:14:23,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:14:23,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:14:23,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:14:23,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:14:23,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:14:23,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:14:23,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:14:23,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:14:23,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:14:23,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:14:23,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:14:23,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:14:23,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:14:23,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:14:23,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:14:23,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:14:23,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:14:23,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:14:23,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:14:23,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:14:23,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:14:23,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:14:23,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:14:23,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:14:23,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:14:23,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:14:23,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:14:23,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:14:23,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:14:23,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:14:23,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:14:23,634 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:14:23,635 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:14:23,635 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:14:23,635 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:14:23,636 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:14:23,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:14:23,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:14:23,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:14:23,637 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:14:23,638 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:14:23,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:14:23,638 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:14:23,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:14:23,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:14:23,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:14:23,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:14:23,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:14:23,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:14:23,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:14:23,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:14:23,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:14:23,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:14:23,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:14:23,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:14:23,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:14:23,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:14:23,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:14:23,644 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:14:23,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:14:23,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:14:23,644 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:14:23,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:14:23,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:14:23,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:14:23,646 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_62fd6d70-1522-4c49-a676-18fa5e9bb446/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2022-11-25 22:14:23,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:14:24,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:14:24,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:14:24,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:14:24,022 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:14:24,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-25 22:14:27,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:14:27,610 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:14:27,611 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-25 22:14:27,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/data/f24b9244c/11c888ee3d7045a485d1dfb9b831eab8/FLAG76ccf1586 [2022-11-25 22:14:27,678 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/data/f24b9244c/11c888ee3d7045a485d1dfb9b831eab8 [2022-11-25 22:14:27,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:14:27,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:14:27,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:27,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:14:27,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:14:27,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:27" (1/1) ... [2022-11-25 22:14:27,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17360014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:27, skipping insertion in model container [2022-11-25 22:14:27,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:27" (1/1) ... [2022-11-25 22:14:27,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:14:27,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:14:29,013 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-25 22:14:29,025 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 22:14:29,026 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 22:14:29,029 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 22:14:29,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d9acfa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:29, skipping insertion in model container [2022-11-25 22:14:29,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:29,030 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:14:29,032 INFO L158 Benchmark]: Toolchain (without parser) took 1349.65ms. Allocated memory is still 136.3MB. Free memory was 108.4MB in the beginning and 76.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-25 22:14:29,033 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:14:29,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.29ms. Allocated memory is still 136.3MB. Free memory was 108.1MB in the beginning and 76.9MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-25 22:14:29,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.29ms. Allocated memory is still 136.3MB. Free memory was 108.1MB in the beginning and 76.9MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/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_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/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_62fd6d70-1522-4c49-a676-18fa5e9bb446/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 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- 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 22:14:31,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:14:31,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:14:31,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:14:31,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:14:31,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:14:31,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:14:31,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:14:31,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:14:31,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:14:31,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:14:31,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:14:31,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:14:31,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:14:31,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:14:31,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:14:31,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:14:31,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:14:31,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:14:31,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:14:31,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:14:31,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:14:31,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:14:31,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:14:31,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:14:31,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:14:31,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:14:31,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:14:31,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:14:31,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:14:31,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:14:31,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:14:31,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:14:31,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:14:31,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:14:31,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:14:31,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:14:31,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:14:31,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:14:31,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:14:31,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:14:31,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:14:31,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:14:31,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:14:31,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:14:31,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:14:31,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:14:31,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:14:31,542 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:14:31,542 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:14:31,543 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:14:31,543 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:14:31,543 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:14:31,543 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:14:31,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:14:31,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:14:31,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:14:31,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:14:31,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:14:31,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:14:31,546 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:14:31,546 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:14:31,547 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:14:31,547 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:14:31,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:14:31,548 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:14:31,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:14:31,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:14:31,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:14:31,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:14:31,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:14:31,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:14:31,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:14:31,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:14:31,550 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:14:31,551 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:14:31,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:14:31,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:14:31,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:14:31,552 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_62fd6d70-1522-4c49-a676-18fa5e9bb446/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2022-11-25 22:14:31,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:14:31,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:14:31,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:14:31,970 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:14:31,970 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:14:31,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-25 22:14:35,084 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:14:35,663 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:14:35,663 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-25 22:14:35,707 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/data/567814437/5774eeee4cb343b9a8caacd06c52d1a8/FLAG4c5e8f4b2 [2022-11-25 22:14:35,732 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62fd6d70-1522-4c49-a676-18fa5e9bb446/bin/utaipan-ByfvJB40ur/data/567814437/5774eeee4cb343b9a8caacd06c52d1a8 [2022-11-25 22:14:35,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:14:35,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:14:35,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:35,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:14:35,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:14:35,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:35" (1/1) ... [2022-11-25 22:14:35,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535d0b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:35, skipping insertion in model container [2022-11-25 22:14:35,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:35" (1/1) ... [2022-11-25 22:14:35,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:14:35,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:14:37,215 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-25 22:14:37,232 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 22:14:37,233 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 22:14:37,236 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 22:14:37,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27a8ccdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:37, skipping insertion in model container [2022-11-25 22:14:37,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:37,238 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:14:37,240 INFO L158 Benchmark]: Toolchain (without parser) took 1491.98ms. Allocated memory is still 79.7MB. Free memory was 52.4MB in the beginning and 38.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-25 22:14:37,240 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:14:37,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1486.29ms. Allocated memory is still 79.7MB. Free memory was 52.2MB in the beginning and 38.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-25 22:14:37,243 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 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1486.29ms. Allocated memory is still 79.7MB. Free memory was 52.2MB in the beginning and 38.8MB in the end (delta: 13.4MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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