./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW --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 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf --- 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-4e7fbc6 [2022-11-23 14:05:14,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:05:14,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:05:14,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:05:14,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:05:14,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:05:14,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:05:14,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:05:14,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:05:14,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:05:14,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:05:14,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:05:14,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:05:14,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:05:14,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:05:14,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:05:14,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:05:14,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:05:14,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:05:14,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:05:14,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:05:14,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:05:14,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:05:14,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:05:14,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:05:14,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:05:14,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:05:14,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:05:14,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:05:14,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:05:14,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:05:14,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:05:14,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:05:14,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:05:14,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:05:14,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:05:14,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:05:14,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:05:14,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:05:14,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:05:14,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:05:14,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 14:05:14,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:05:14,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:05:14,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:05:14,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:05:14,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:05:14,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:05:14,556 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:05:14,556 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:05:14,556 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:05:14,557 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:05:14,558 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:05:14,558 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:05:14,558 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:05:14,558 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:05:14,559 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:05:14,559 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:05:14,559 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:05:14,560 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:05:14,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:05:14,561 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:05:14,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:05:14,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:05:14,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:05:14,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:05:14,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:05:14,562 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:05:14,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:05:14,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:05:14,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:05:14,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:05:14,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:05:14,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:05:14,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:05:14,565 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:05:14,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:05:14,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:05:14,565 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:05:14,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:05:14,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:05:14,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:05:14,566 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_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-11-23 14:05:14,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:05:14,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:05:14,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:05:14,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:05:14,884 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:05:14,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-23 14:05:17,974 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:05:18,410 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:05:18,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-23 14:05:18,436 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/data/2997fdfc6/55f1088ebe3b4007a1dac3c6192ff612/FLAG562dccd54 [2022-11-23 14:05:18,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/data/2997fdfc6/55f1088ebe3b4007a1dac3c6192ff612 [2022-11-23 14:05:18,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:05:18,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:05:18,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:05:18,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:05:18,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:05:18,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:18" (1/1) ... [2022-11-23 14:05:18,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2785d610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:18, skipping insertion in model container [2022-11-23 14:05:18,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:18" (1/1) ... [2022-11-23 14:05:18,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:05:18,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:05:19,651 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-23 14:05:19,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b2e2198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:19, skipping insertion in model container [2022-11-23 14:05:19,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:05:19,653 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:05:19,655 INFO L158 Benchmark]: Toolchain (without parser) took 1192.19ms. Allocated memory is still 144.7MB. Free memory was 102.2MB in the beginning and 107.8MB in the end (delta: -5.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:05:19,656 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:05:19,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1186.63ms. Allocated memory is still 144.7MB. Free memory was 102.2MB in the beginning and 107.8MB in the end (delta: -5.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:05:19,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1186.63ms. Allocated memory is still 144.7MB. Free memory was 102.2MB in the beginning and 107.8MB in the end (delta: -5.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: 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_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW --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 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf --- 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-4e7fbc6 [2022-11-23 14:05:22,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:05:22,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:05:22,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:05:22,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:05:22,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:05:22,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:05:22,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:05:22,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:05:22,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:05:22,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:05:22,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:05:22,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:05:22,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:05:22,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:05:22,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:05:22,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:05:22,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:05:22,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:05:22,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:05:22,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:05:22,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:05:22,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:05:22,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:05:22,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:05:22,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:05:22,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:05:22,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:05:22,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:05:22,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:05:22,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:05:22,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:05:22,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:05:22,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:05:22,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:05:22,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:05:22,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:05:22,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:05:22,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:05:22,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:05:22,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:05:22,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 14:05:22,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:05:22,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:05:22,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:05:22,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:05:22,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:05:22,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:05:22,253 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:05:22,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:05:22,254 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:05:22,254 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:05:22,255 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:05:22,255 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:05:22,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:05:22,256 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:05:22,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:05:22,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:05:22,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:05:22,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:05:22,258 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:05:22,258 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:05:22,258 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:05:22,259 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:05:22,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:05:22,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:05:22,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:05:22,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:05:22,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:05:22,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:05:22,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:05:22,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:05:22,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:05:22,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:05:22,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:05:22,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:05:22,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:05:22,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:05:22,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:05:22,263 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_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-11-23 14:05:22,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:05:22,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:05:22,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:05:22,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:05:22,657 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:05:22,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-23 14:05:25,730 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:05:26,242 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:05:26,248 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-23 14:05:26,285 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/data/13c12ec23/615f1ce23e7c4d938fe33b7595944aa9/FLAG4a3fb6b52 [2022-11-23 14:05:26,309 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79e84a73-3817-4d7d-8f3e-b53e2c627290/bin/utaipan-Q6hlc19bkW/data/13c12ec23/615f1ce23e7c4d938fe33b7595944aa9 [2022-11-23 14:05:26,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:05:26,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:05:26,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:05:26,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:05:26,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:05:26,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:26" (1/1) ... [2022-11-23 14:05:26,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521eb2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:26, skipping insertion in model container [2022-11-23 14:05:26,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:26" (1/1) ... [2022-11-23 14:05:26,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:05:26,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:05:27,548 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-23 14:05:27,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3246c198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:27, skipping insertion in model container [2022-11-23 14:05:27,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:05:27,550 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:05:27,552 INFO L158 Benchmark]: Toolchain (without parser) took 1236.05ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 75.2MB in the end (delta: -2.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-23 14:05:27,553 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:05:27,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1233.23ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 75.2MB in the end (delta: -2.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-23 14:05:27,555 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 69.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1233.23ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 75.2MB in the end (delta: -2.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: 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