./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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/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_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 20:54:29,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:54:29,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:54:29,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:54:29,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:54:29,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:54:29,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:54:29,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:54:29,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:54:29,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:54:29,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:54:29,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:54:29,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:54:29,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:54:29,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:54:29,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:54:29,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:54:29,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:54:29,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:54:29,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:54:29,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:54:29,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:54:29,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:54:29,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:54:29,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:54:29,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:54:29,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:54:29,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:54:29,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:54:29,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:54:29,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:54:29,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:54:29,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:54:29,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:54:29,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:54:29,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:54:29,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:54:29,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:54:29,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:54:29,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:54:29,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:54:29,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:54:29,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:54:29,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:54:29,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:54:29,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:54:29,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:54:29,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:54:29,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:54:29,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:54:29,670 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:54:29,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:54:29,671 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:54:29,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:54:29,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:54:29,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:54:29,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:54:29,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:54:29,671 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:54:29,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:54:29,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:54:29,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:54:29,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:54:29,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:54:29,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:54:29,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:54:29,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:54:29,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:54:29,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:54:29,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:54:29,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:54:29,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:54:29,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:54:29,673 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:54:29,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:54:29,674 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:54:29,674 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_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-12-13 20:54:29,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:54:29,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:54:29,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:54:29,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:54:29,855 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:54:29,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-13 20:54:32,366 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:54:32,653 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:54:32,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-13 20:54:32,674 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/data/56e1dc4fa/5b607cb956384f6ba04445281204c342/FLAG1b54d3a55 [2022-12-13 20:54:32,940 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/data/56e1dc4fa/5b607cb956384f6ba04445281204c342 [2022-12-13 20:54:32,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:54:32,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:54:32,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:54:32,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:54:32,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:54:32,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:32" (1/1) ... [2022-12-13 20:54:32,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb88d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:32, skipping insertion in model container [2022-12-13 20:54:32,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:32" (1/1) ... [2022-12-13 20:54:32,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:54:33,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:54:33,588 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 20:54:33,590 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-13 20:54:33,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@544ca4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:33, skipping insertion in model container [2022-12-13 20:54:33,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:54:33,591 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 20:54:33,592 INFO L158 Benchmark]: Toolchain (without parser) took 648.03ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 68.5MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:54:33,593 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:54:33,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.29ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 68.5MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:54:33,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.29ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 68.5MB in the end (delta: 20.4MB). 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_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/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_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 20:54:34,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:54:34,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:54:34,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:54:34,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:54:34,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:54:34,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:54:34,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:54:34,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:54:34,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:54:34,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:54:34,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:54:34,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:54:34,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:54:34,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:54:34,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:54:34,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:54:34,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:54:34,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:54:34,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:54:34,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:54:34,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:54:34,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:54:34,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:54:34,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:54:34,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:54:34,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:54:34,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:54:34,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:54:34,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:54:34,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:54:34,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:54:34,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:54:34,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:54:34,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:54:34,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:54:34,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:54:34,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:54:34,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:54:34,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:54:34,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:54:34,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 20:54:35,001 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:54:35,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:54:35,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:54:35,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:54:35,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:54:35,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:54:35,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:54:35,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:54:35,003 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:54:35,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:54:35,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:54:35,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:54:35,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:54:35,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:54:35,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:54:35,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:54:35,004 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:54:35,004 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:54:35,004 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:54:35,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:54:35,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:54:35,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:54:35,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:54:35,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:54:35,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:54:35,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:54:35,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:54:35,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:54:35,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:54:35,006 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:54:35,006 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:54:35,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:54:35,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:54:35,007 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:54:35,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:54:35,007 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:54:35,007 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:54:35,007 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_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-12-13 20:54:35,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:54:35,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:54:35,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:54:35,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:54:35,234 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:54:35,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-13 20:54:37,835 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:54:38,112 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:54:38,113 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-13 20:54:38,131 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/data/a55a14fe0/5d73bf476e7c45de8b213d44226ca69d/FLAGdd4f95bed [2022-12-13 20:54:38,143 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a6b3e9e-2472-447d-a777-82cec3f9f942/bin/uautomizer-uyxdKDjOR8/data/a55a14fe0/5d73bf476e7c45de8b213d44226ca69d [2022-12-13 20:54:38,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:54:38,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:54:38,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:54:38,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:54:38,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:54:38,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:38" (1/1) ... [2022-12-13 20:54:38,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b8bf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:38, skipping insertion in model container [2022-12-13 20:54:38,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:38" (1/1) ... [2022-12-13 20:54:38,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:54:38,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:54:38,886 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-13 20:54:38,889 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-13 20:54:38,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@712d69be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:38, skipping insertion in model container [2022-12-13 20:54:38,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:54:38,891 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 20:54:38,892 INFO L158 Benchmark]: Toolchain (without parser) took 744.29ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 47.5MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 20:54:38,893 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:54:38,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.01ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 47.5MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 20:54:38,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.01ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 47.5MB in the end (delta: 23.2MB). 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