./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R --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 Automizer --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-38b53e6 [2022-11-25 18:04:21,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:04:21,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:04:21,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:04:21,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:04:21,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:04:21,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:04:21,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:04:21,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:04:21,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:04:21,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:04:21,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:04:21,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:04:21,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:04:21,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:04:21,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:04:21,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:04:21,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:04:21,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:04:21,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:04:21,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:04:21,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:04:21,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:04:21,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:04:21,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:04:21,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:04:21,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:04:21,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:04:21,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:04:21,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:04:21,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:04:21,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:04:21,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:04:21,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:04:21,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:04:21,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:04:21,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:04:21,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:04:21,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:04:21,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:04:21,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:04:21,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 18:04:21,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:04:21,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:04:21,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:04:21,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:04:21,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:04:21,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:04:21,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:04:21,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:04:21,501 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:04:21,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:04:21,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:04:21,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:04:21,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:04:21,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:04:21,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:04:21,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:04:21,503 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:04:21,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:04:21,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:04:21,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:04:21,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:04:21,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:04:21,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:04:21,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:04:21,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:04:21,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:04:21,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:04:21,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:04:21,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:04:21,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:04:21,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:04:21,506 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:04:21,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:04:21,507 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-11-25 18:04:21,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:04:21,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:04:21,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:04:21,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:04:21,812 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:04:21,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-25 18:04:24,987 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:04:25,373 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:04:25,373 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-25 18:04:25,404 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/data/30e013d5f/2544b53fa19e4edc8d32ae0be14450ca/FLAG32f65f9d4 [2022-11-25 18:04:25,423 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/data/30e013d5f/2544b53fa19e4edc8d32ae0be14450ca [2022-11-25 18:04:25,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:04:25,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:04:25,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:04:25,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:04:25,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:04:25,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:04:25" (1/1) ... [2022-11-25 18:04:25,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1543a766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:25, skipping insertion in model container [2022-11-25 18:04:25,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:04:25" (1/1) ... [2022-11-25 18:04:25,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:04:25,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:04:26,583 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 18:04:26,586 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 18:04:26,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ce0049d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:26, skipping insertion in model container [2022-11-25 18:04:26,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:04:26,587 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 18:04:26,589 INFO L158 Benchmark]: Toolchain (without parser) took 1156.46ms. Allocated memory is still 182.5MB. Free memory was 134.2MB in the beginning and 114.1MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:04:26,590 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 144.0MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:04:26,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1151.83ms. Allocated memory is still 182.5MB. Free memory was 134.2MB in the beginning and 114.1MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:04:26,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 144.0MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1151.83ms. Allocated memory is still 182.5MB. Free memory was 134.2MB in the beginning and 114.1MB in the end (delta: 20.1MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R --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 Automizer --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-38b53e6 [2022-11-25 18:04:28,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:04:28,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:04:29,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:04:29,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:04:29,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:04:29,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:04:29,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:04:29,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:04:29,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:04:29,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:04:29,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:04:29,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:04:29,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:04:29,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:04:29,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:04:29,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:04:29,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:04:29,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:04:29,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:04:29,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:04:29,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:04:29,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:04:29,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:04:29,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:04:29,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:04:29,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:04:29,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:04:29,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:04:29,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:04:29,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:04:29,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:04:29,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:04:29,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:04:29,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:04:29,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:04:29,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:04:29,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:04:29,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:04:29,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:04:29,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:04:29,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 18:04:29,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:04:29,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:04:29,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:04:29,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:04:29,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:04:29,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:04:29,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:04:29,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:04:29,169 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:04:29,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:04:29,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:04:29,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:04:29,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:04:29,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:04:29,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:04:29,171 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:04:29,171 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:04:29,172 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:04:29,172 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:04:29,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:04:29,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:04:29,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:04:29,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:04:29,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:04:29,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:04:29,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:04:29,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:04:29,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:04:29,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:04:29,174 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:04:29,175 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:04:29,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:04:29,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:04:29,175 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:04:29,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:04:29,176 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:04:29,176 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-11-25 18:04:29,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:04:29,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:04:29,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:04:29,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:04:29,571 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:04:29,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-25 18:04:32,587 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:04:33,035 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:04:33,036 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-25 18:04:33,073 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/data/e161911de/17a4eaae50f2402b9536cec6abc32e5b/FLAG07d5e7169 [2022-11-25 18:04:33,095 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915a264e-993d-4763-8549-4f9813587755/bin/uautomizer-ZsLfNo2U6R/data/e161911de/17a4eaae50f2402b9536cec6abc32e5b [2022-11-25 18:04:33,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:04:33,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:04:33,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:04:33,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:04:33,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:04:33,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:04:33" (1/1) ... [2022-11-25 18:04:33,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56290037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:33, skipping insertion in model container [2022-11-25 18:04:33,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:04:33" (1/1) ... [2022-11-25 18:04:33,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:04:33,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:04:34,374 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 18:04:34,377 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 18:04:34,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dae3f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:04:34, skipping insertion in model container [2022-11-25 18:04:34,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:04:34,379 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 18:04:34,380 INFO L158 Benchmark]: Toolchain (without parser) took 1278.60ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 57.7MB in the beginning and 89.5MB in the end (delta: -31.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-25 18:04:34,381 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:04:34,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1272.69ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 57.7MB in the beginning and 89.5MB in the end (delta: -31.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-25 18:04:34,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1272.69ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 57.7MB in the beginning and 89.5MB in the end (delta: -31.7MB). Peak memory consumption was 27.7MB. 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