./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 2329fc70 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_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/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_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/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_6131129d-d80f-4651-9102-c45b0e370a73/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 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-2329fc7 [2022-12-15 01:10:50,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:10:50,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:10:50,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:10:50,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:10:50,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:10:50,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:10:50,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:10:50,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:10:50,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:10:50,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:10:50,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:10:50,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:10:50,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:10:50,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:10:50,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:10:50,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:10:50,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:10:50,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:10:50,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:10:50,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:10:50,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:10:50,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:10:50,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:10:50,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:10:50,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:10:50,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:10:50,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:10:50,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:10:50,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:10:50,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:10:50,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:10:50,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:10:50,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:10:50,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:10:50,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:10:50,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:10:50,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:10:50,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:10:50,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:10:50,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:10:50,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:10:50,289 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:10:50,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:10:50,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:10:50,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:10:50,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:10:50,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:10:50,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:10:50,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:10:50,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:10:50,292 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:10:50,292 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:10:50,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:10:50,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:10:50,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:10:50,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:10:50,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:10:50,293 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:10:50,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:10:50,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:10:50,293 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_6131129d-d80f-4651-9102-c45b0e370a73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-12-15 01:10:50,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:10:50,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:10:50,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:10:50,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:10:50,503 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:10:50,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-12-15 01:10:53,066 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:10:53,339 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:10:53,340 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-12-15 01:10:53,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/data/38e4f7bdf/8e3a6102624d493c8d6a78078a3bdabb/FLAG9d7fde29b [2022-12-15 01:10:53,635 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/data/38e4f7bdf/8e3a6102624d493c8d6a78078a3bdabb [2022-12-15 01:10:53,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:10:53,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:10:53,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:10:53,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:10:53,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:10:53,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:53" (1/1) ... [2022-12-15 01:10:53,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4928a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:53, skipping insertion in model container [2022-12-15 01:10:53,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:53" (1/1) ... [2022-12-15 01:10:53,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:10:53,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:10:54,367 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-15 01:10:54,369 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-15 01:10:54,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46f023de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:54, skipping insertion in model container [2022-12-15 01:10:54,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:10:54,370 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-15 01:10:54,371 INFO L158 Benchmark]: Toolchain (without parser) took 732.96ms. Allocated memory is still 138.4MB. Free memory was 97.2MB in the beginning and 76.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 01:10:54,372 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory was 110.5MB in the beginning and 110.5MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:10:54,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.33ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 76.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 01:10:54,373 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 138.4MB. Free memory was 110.5MB in the beginning and 110.5MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.33ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 76.3MB in the end (delta: 20.4MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/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_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/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_6131129d-d80f-4651-9102-c45b0e370a73/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 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-2329fc7 [2022-12-15 01:10:55,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:10:55,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:10:55,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:10:55,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:10:55,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:10:55,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:10:55,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:10:55,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:10:55,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:10:55,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:10:55,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:10:55,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:10:55,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:10:55,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:10:55,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:10:55,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:10:55,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:10:55,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:10:55,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:10:55,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:10:55,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:10:55,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:10:55,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:10:55,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:10:55,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:10:55,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:10:55,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:10:55,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:10:55,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:10:55,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:10:55,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:10:55,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:10:55,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:10:55,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:10:55,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:10:55,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:10:55,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:10:55,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:10:55,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:10:55,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:10:55,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-12-15 01:10:55,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:10:55,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:10:55,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:10:55,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:10:55,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:10:55,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:10:55,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:10:55,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:10:55,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:10:55,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:10:55,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:10:55,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:10:55,838 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 01:10:55,838 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 01:10:55,839 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:10:55,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 01:10:55,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:10:55,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:10:55,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:10:55,839 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:10:55,839 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:10:55,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:10:55,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:10:55,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:10:55,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:10:55,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:10:55,840 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 01:10:55,840 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 01:10:55,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:10:55,841 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 01:10:55,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 01:10:55,841 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_6131129d-d80f-4651-9102-c45b0e370a73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-12-15 01:10:56,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:10:56,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:10:56,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:10:56,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:10:56,061 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:10:56,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-12-15 01:10:58,627 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:10:58,853 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:10:58,853 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-12-15 01:10:58,868 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/data/6e03e2b10/6760522376fb4969b873a810b93112c4/FLAGdd4af88b3 [2022-12-15 01:10:58,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6131129d-d80f-4651-9102-c45b0e370a73/bin/ukojak-rkRKPMF4O4/data/6e03e2b10/6760522376fb4969b873a810b93112c4 [2022-12-15 01:10:58,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:10:58,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:10:58,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:10:58,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:10:58,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:10:58,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:58" (1/1) ... [2022-12-15 01:10:58,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e04cd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:58, skipping insertion in model container [2022-12-15 01:10:58,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:10:58" (1/1) ... [2022-12-15 01:10:58,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:10:58,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:10:59,525 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-15 01:10:59,527 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-15 01:10:59,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45111320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:10:59, skipping insertion in model container [2022-12-15 01:10:59,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:10:59,528 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-15 01:10:59,529 INFO L158 Benchmark]: Toolchain (without parser) took 646.97ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 56.3MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-15 01:10:59,529 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:10:59,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.38ms. Allocated memory is still 104.9MB. Free memory was 78.8MB in the beginning and 56.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-15 01:10:59,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.38ms. Allocated memory is still 104.9MB. Free memory was 78.8MB in the beginning and 56.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. 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