./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:12:22,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:12:22,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:12:22,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:12:22,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:12:22,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:12:22,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:12:22,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:12:22,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:12:22,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:12:22,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:12:22,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:12:22,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:12:22,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:12:22,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:12:22,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:12:22,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:12:22,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:12:22,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:12:22,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:12:22,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:12:22,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:12:22,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:12:22,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:12:22,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:12:22,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:12:22,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:12:22,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:12:22,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:12:22,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:12:22,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:12:22,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:12:22,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:12:22,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:12:22,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:12:22,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:12:22,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:12:22,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:12:22,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:12:22,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:12:22,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:12:22,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-28 09:12:22,610 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:12:22,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:12:22,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:12:22,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:12:22,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:12:22,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:12:22,614 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:12:22,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:12:22,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:12:22,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:12:22,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:12:22,615 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:12:22,616 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:12:22,616 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:12:22,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:12:22,617 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:12:22,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:12:22,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:12:22,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:12:22,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:12:22,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:12:22,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:12:22,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:12:22,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:12:22,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:12:22,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:12:22,621 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_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-10-28 09:12:22,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:12:22,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:12:22,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:12:22,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:12:22,982 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:12:22,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-28 09:12:23,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data/1e34ea7fd/6296e8a497f04e81a189c887a4318649/FLAG0c05064b4 [2021-10-28 09:12:24,088 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:12:24,090 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-28 09:12:24,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data/1e34ea7fd/6296e8a497f04e81a189c887a4318649/FLAG0c05064b4 [2021-10-28 09:12:24,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data/1e34ea7fd/6296e8a497f04e81a189c887a4318649 [2021-10-28 09:12:24,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:12:24,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:12:24,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:12:24,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:12:24,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:12:24,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:12:24" (1/1) ... [2021-10-28 09:12:24,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b77762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:24, skipping insertion in model container [2021-10-28 09:12:24,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:12:24" (1/1) ... [2021-10-28 09:12:24,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:12:24,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:12:25,935 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-28 09:12:25,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78108c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:25, skipping insertion in model container [2021-10-28 09:12:25,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:12:25,937 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:12:25,940 INFO L168 Benchmark]: Toolchain (without parser) took 1341.73 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.4 MB in the beginning and 78.4 MB in the end (delta: -23.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:25,941 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 94.4 MB. Free memory was 67.1 MB in the beginning and 67.1 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:12:25,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1336.14 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 78.4 MB in the end (delta: -23.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:25,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 94.4 MB. Free memory was 67.1 MB in the beginning and 67.1 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1336.14 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 78.4 MB in the end (delta: -23.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:12:28,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:12:28,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:12:28,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:12:28,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:12:28,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:12:28,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:12:28,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:12:28,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:12:28,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:12:28,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:12:28,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:12:28,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:12:28,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:12:28,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:12:28,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:12:28,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:12:28,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:12:29,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:12:29,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:12:29,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:12:29,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:12:29,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:12:29,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:12:29,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:12:29,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:12:29,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:12:29,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:12:29,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:12:29,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:12:29,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:12:29,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:12:29,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:12:29,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:12:29,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:12:29,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:12:29,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:12:29,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:12:29,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:12:29,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:12:29,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:12:29,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-28 09:12:29,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:12:29,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:12:29,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:12:29,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:12:29,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:12:29,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:12:29,121 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:12:29,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:12:29,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:12:29,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:12:29,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:12:29,124 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:12:29,124 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:12:29,125 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:12:29,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:12:29,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:12:29,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:12:29,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:12:29,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:12:29,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:12:29,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:12:29,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:12:29,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:12:29,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:12:29,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:12:29,129 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:12:29,130 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:12:29,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:12:29,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:12:29,131 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_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-10-28 09:12:29,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:12:29,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:12:29,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:12:29,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:12:29,699 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:12:29,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-28 09:12:29,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data/de3bcdd2b/9afa263157d34101a38cecd78e935ae3/FLAG1b2b89f54 [2021-10-28 09:12:30,653 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:12:30,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-28 09:12:30,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data/de3bcdd2b/9afa263157d34101a38cecd78e935ae3/FLAG1b2b89f54 [2021-10-28 09:12:30,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8346a7a3-4139-4a6a-b0aa-2b50fe48f451/bin/uautomizer-UnR33cPsHg/data/de3bcdd2b/9afa263157d34101a38cecd78e935ae3 [2021-10-28 09:12:30,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:12:30,797 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:12:30,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:12:30,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:12:30,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:12:30,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:12:30" (1/1) ... [2021-10-28 09:12:30,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbea394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:30, skipping insertion in model container [2021-10-28 09:12:30,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:12:30" (1/1) ... [2021-10-28 09:12:30,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:12:30,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:12:32,100 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-28 09:12:32,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b3f6b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:32, skipping insertion in model container [2021-10-28 09:12:32,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:12:32,103 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:12:32,107 INFO L168 Benchmark]: Toolchain (without parser) took 1307.62 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.6 MB in the beginning and 41.9 MB in the end (delta: -15.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:32,109 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory is still 34.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:12:32,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1299.87 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.4 MB in the beginning and 42.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:32,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory is still 34.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1299.87 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.4 MB in the beginning and 42.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * 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...