./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/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_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/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_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- 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 22:14:22,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:14:22,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:14:22,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:14:22,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:14:22,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:14:22,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:14:22,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:14:22,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:14:22,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:14:22,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:14:22,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:14:22,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:14:22,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:14:22,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:14:22,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:14:22,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:14:22,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:14:22,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:14:22,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:14:22,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:14:22,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:14:22,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:14:22,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:14:22,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:14:22,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:14:22,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:14:22,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:14:22,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:14:22,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:14:22,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:14:22,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:14:22,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:14:22,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:14:22,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:14:22,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:14:22,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:14:22,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:14:22,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:14:22,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:14:22,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:14:22,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:14:22,608 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:14:22,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:14:22,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:14:22,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:14:22,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:14:22,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:14:22,610 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:14:22,611 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:14:22,611 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:14:22,611 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:14:22,611 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:14:22,612 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:14:22,612 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:14:22,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:14:22,613 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:14:22,613 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:14:22,613 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:14:22,613 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:14:22,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:14:22,615 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:14:22,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:14:22,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:14:22,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:14:22,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:14:22,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:14:22,616 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:14:22,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:14:22,617 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:14:22,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:14:22,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:14:22,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:14:22,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:14:22,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:14:22,618 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:14:22,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:14:22,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:14:22,619 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:14:22,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:14:22,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:14:22,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:14:22,621 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_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-25 22:14:22,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:14:22,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:14:22,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:14:22,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:14:22,949 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:14:22,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-25 22:14:26,159 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:14:26,814 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:14:26,815 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-25 22:14:26,854 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/data/9ae00a609/5e446a69f5bb485b9adc57a2c65b6f90/FLAGee5a03850 [2022-11-25 22:14:26,881 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/data/9ae00a609/5e446a69f5bb485b9adc57a2c65b6f90 [2022-11-25 22:14:26,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:14:26,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:14:26,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:26,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:14:26,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:14:26,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:26" (1/1) ... [2022-11-25 22:14:26,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc9aeca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:26, skipping insertion in model container [2022-11-25 22:14:26,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:26" (1/1) ... [2022-11-25 22:14:26,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:14:27,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:14:28,269 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 22:14:28,277 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 22:14:28,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@256abb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:28, skipping insertion in model container [2022-11-25 22:14:28,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:28,279 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:14:28,282 INFO L158 Benchmark]: Toolchain (without parser) took 1394.12ms. Allocated memory is still 144.7MB. Free memory was 110.7MB in the beginning and 90.1MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:14:28,283 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:14:28,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1391.24ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 90.1MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:14:28,286 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 111.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1391.24ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 90.1MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/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_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/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_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- 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 22:14:31,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:14:31,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:14:31,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:14:31,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:14:31,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:14:31,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:14:31,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:14:31,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:14:31,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:14:31,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:14:31,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:14:31,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:14:31,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:14:31,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:14:31,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:14:31,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:14:31,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:14:31,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:14:31,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:14:31,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:14:31,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:14:31,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:14:31,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:14:31,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:14:31,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:14:31,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:14:31,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:14:31,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:14:31,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:14:31,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:14:31,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:14:31,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:14:31,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:14:31,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:14:31,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:14:31,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:14:31,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:14:31,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:14:31,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:14:31,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:14:31,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:14:31,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:14:31,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:14:31,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:14:31,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:14:31,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:14:31,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:14:31,249 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:14:31,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:14:31,250 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:14:31,250 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:14:31,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:14:31,251 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:14:31,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:14:31,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:14:31,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:14:31,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:14:31,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:14:31,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:14:31,254 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:14:31,254 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:14:31,254 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:14:31,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:14:31,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:14:31,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:14:31,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:14:31,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:14:31,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:14:31,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:14:31,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:14:31,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:14:31,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:14:31,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:14:31,258 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:14:31,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:14:31,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:14:31,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:14:31,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:14:31,259 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_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-25 22:14:31,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:14:31,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:14:31,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:14:31,724 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:14:31,724 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:14:31,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-25 22:14:35,010 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:14:35,567 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:14:35,571 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-25 22:14:35,613 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/data/f7f172918/772ac74cbc3641f5ad4a307dd15a055a/FLAG77320d614 [2022-11-25 22:14:35,640 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b2ce09-f0c8-4488-9a6f-f245dbc01da3/bin/utaipan-ByfvJB40ur/data/f7f172918/772ac74cbc3641f5ad4a307dd15a055a [2022-11-25 22:14:35,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:14:35,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:14:35,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:35,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:14:35,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:14:35,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:35" (1/1) ... [2022-11-25 22:14:35,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6553b12f 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 22:14:35,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:35" (1/1) ... [2022-11-25 22:14:35,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:14:35,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:14:37,158 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 22:14:37,166 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 22:14:37,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44bf083c 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 22:14:37,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:37,168 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 22:14:37,171 INFO L158 Benchmark]: Toolchain (without parser) took 1522.44ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 43.8MB in the beginning and 66.6MB in the end (delta: -22.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-25 22:14:37,172 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:14:37,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1517.46ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 43.6MB in the beginning and 66.6MB in the end (delta: -23.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-25 22:14:37,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1517.46ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 43.6MB in the beginning and 66.6MB in the end (delta: -23.0MB). Peak memory consumption was 21.9MB. 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