./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/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_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e --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 --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:05:13,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:05:13,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:05:13,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:05:13,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:05:13,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:05:13,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:05:13,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:05:13,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:05:13,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:05:13,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:05:13,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:05:13,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:05:13,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:05:13,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:05:13,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:05:13,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:05:13,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:05:13,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:05:13,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:05:13,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:05:13,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:05:13,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:05:13,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:05:13,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:05:13,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:05:13,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:05:13,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:05:13,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:05:13,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:05:13,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:05:13,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:05:13,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:05:13,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:05:13,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:05:13,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:05:13,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:05:13,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:05:13,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:05:13,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:05:13,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:05:13,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 21:05:13,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:05:13,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:05:13,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:05:13,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:05:13,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:05:13,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:05:13,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:05:13,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:05:13,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:05:13,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:05:13,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:05:13,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:05:13,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:05:13,677 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 21:05:13,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:05:13,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:05:13,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:05:13,678 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:05:13,678 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:05:13,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:05:13,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:05:13,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:05:13,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:05:13,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:05:13,679 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:05:13,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:05:13,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:05:13,680 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_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-13 21:05:13,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:05:13,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:05:14,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:05:14,002 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:05:14,003 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:05:14,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-13 21:05:14,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/data/41c48973d/8d1e219ab1784cb5b37e236d17756aac/FLAG99c16d111 [2021-11-13 21:05:14,851 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:05:14,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-13 21:05:14,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/data/41c48973d/8d1e219ab1784cb5b37e236d17756aac/FLAG99c16d111 [2021-11-13 21:05:15,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/data/41c48973d/8d1e219ab1784cb5b37e236d17756aac [2021-11-13 21:05:15,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:05:15,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:05:15,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:15,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:05:15,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:05:15,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:15" (1/1) ... [2021-11-13 21:05:15,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1acb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:15, skipping insertion in model container [2021-11-13 21:05:15,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:15" (1/1) ... [2021-11-13 21:05:15,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:05:15,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:05:16,141 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-13 21:05:16,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bc1d2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:16, skipping insertion in model container [2021-11-13 21:05:16,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:16,143 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 21:05:16,145 INFO L158 Benchmark]: Toolchain (without parser) took 1061.94ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 64.2MB in the end (delta: -20.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-13 21:05:16,146 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 81.8MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:05:16,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1058.36ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 64.2MB in the end (delta: -21.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-13 21:05:16,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 81.8MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1058.36ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 64.2MB in the end (delta: -21.0MB). Peak memory consumption was 6.8MB. 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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_381da7b1-da54-480b-8925-8935c6f543ea/bin/ukojak-2xVlg8857e/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN