./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 2329fc70 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_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4 --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 Kojak --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-2329fc7 [2022-12-14 20:44:17,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:44:17,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:44:17,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:44:17,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:44:17,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:44:17,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:44:17,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:44:17,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:44:17,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:44:17,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:44:17,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:44:17,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:44:17,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:44:17,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:44:17,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:44:17,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:44:17,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:44:17,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:44:17,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:44:17,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:44:17,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:44:17,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:44:17,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:44:17,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:44:17,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:44:17,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:44:17,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:44:17,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:44:17,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:44:17,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:44:17,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:44:17,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:44:17,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:44:17,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:44:17,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:44:17,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:44:17,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:44:17,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:44:17,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:44:17,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:44:17,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 20:44:17,408 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:44:17,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:44:17,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:44:17,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:44:17,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:44:17,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:44:17,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:44:17,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:44:17,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:44:17,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:44:17,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:44:17,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:44:17,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:44:17,411 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:44:17,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:44:17,411 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:44:17,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:44:17,412 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:44:17,412 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:44:17,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:44:17,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:44:17,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:44:17,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:44:17,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:44:17,413 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:44:17,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:44:17,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:44:17,413 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_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-12-14 20:44:17,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:44:17,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:44:17,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:44:17,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:44:17,621 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:44:17,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-14 20:44:20,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:44:20,455 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:44:20,456 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-14 20:44:20,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/data/9248e9890/99432c212f2a429ba9fb751aaade85e2/FLAG2dc084656 [2022-12-14 20:44:20,483 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/data/9248e9890/99432c212f2a429ba9fb751aaade85e2 [2022-12-14 20:44:20,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:44:20,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:44:20,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:44:20,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:44:20,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:44:20,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:44:20" (1/1) ... [2022-12-14 20:44:20,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e948f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:20, skipping insertion in model container [2022-12-14 20:44:20,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:44:20" (1/1) ... [2022-12-14 20:44:20,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:44:20,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:44:21,127 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 20:44:21,130 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 20:44:21,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3884e69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:21, skipping insertion in model container [2022-12-14 20:44:21,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:44:21,131 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 20:44:21,132 INFO L158 Benchmark]: Toolchain (without parser) took 645.55ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 109.6MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:44:21,132 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:44:21,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.89ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 109.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:44:21,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.89ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 109.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. 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_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4 --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 Kojak --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-2329fc7 [2022-12-14 20:44:22,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:44:22,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:44:22,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:44:22,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:44:22,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:44:22,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:44:22,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:44:22,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:44:22,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:44:22,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:44:22,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:44:22,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:44:22,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:44:22,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:44:22,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:44:22,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:44:22,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:44:22,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:44:22,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:44:22,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:44:22,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:44:22,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:44:22,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:44:22,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:44:22,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:44:22,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:44:22,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:44:22,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:44:22,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:44:22,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:44:22,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:44:22,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:44:22,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:44:22,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:44:22,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:44:22,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:44:22,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:44:22,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:44:22,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:44:22,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:44:22,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-12-14 20:44:22,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:44:22,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:44:22,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:44:22,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:44:22,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:44:22,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:44:22,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:44:22,576 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:44:22,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:44:22,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:44:22,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:44:22,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:44:22,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:44:22,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:44:22,577 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:44:22,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:44:22,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:44:22,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:44:22,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:44:22,578 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:44:22,578 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:44:22,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:44:22,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:44:22,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:44:22,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:44:22,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:44:22,579 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:44:22,579 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:44:22,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:44:22,579 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:44:22,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:44:22,585 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_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-12-14 20:44:22,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:44:22,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:44:22,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:44:22,851 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:44:22,851 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:44:22,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-14 20:44:25,411 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:44:25,643 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:44:25,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-14 20:44:25,657 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/data/4460a16fe/1f6e6324de6946b9b38eae8f9268d021/FLAG12d01fd1b [2022-12-14 20:44:25,984 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e211bd4-a65d-4119-af59-b91950787427/bin/ukojak-rkRKPMF4O4/data/4460a16fe/1f6e6324de6946b9b38eae8f9268d021 [2022-12-14 20:44:25,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:44:25,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:44:25,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:44:25,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:44:25,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:44:26,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:44:25" (1/1) ... [2022-12-14 20:44:26,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30426e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:26, skipping insertion in model container [2022-12-14 20:44:26,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:44:25" (1/1) ... [2022-12-14 20:44:26,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:44:26,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:44:26,618 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 20:44:26,620 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 20:44:26,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55c2d95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:44:26, skipping insertion in model container [2022-12-14 20:44:26,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:44:26,621 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 20:44:26,622 INFO L158 Benchmark]: Toolchain (without parser) took 629.80ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 45.9MB in the end (delta: 2.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-12-14 20:44:26,622 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:44:26,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.37ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 45.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-12-14 20:44:26,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.37ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 45.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.7MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN