./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 23:40:51,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 23:40:51,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 23:40:51,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 23:40:51,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 23:40:51,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 23:40:51,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 23:40:51,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 23:40:51,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 23:40:51,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 23:40:51,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 23:40:51,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 23:40:51,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 23:40:51,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 23:40:51,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 23:40:51,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 23:40:51,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 23:40:51,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 23:40:51,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 23:40:51,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 23:40:51,708 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 23:40:51,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 23:40:51,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 23:40:51,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 23:40:51,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 23:40:51,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 23:40:51,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 23:40:51,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 23:40:51,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 23:40:51,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 23:40:51,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 23:40:51,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 23:40:51,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 23:40:51,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 23:40:51,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 23:40:51,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 23:40:51,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 23:40:51,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 23:40:51,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 23:40:51,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 23:40:51,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 23:40:51,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 23:40:51,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-07-21 23:40:51,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 23:40:51,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 23:40:51,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 23:40:51,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 23:40:51,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 23:40:51,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 23:40:51,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 23:40:51,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 23:40:51,773 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 23:40:51,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 23:40:51,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 23:40:51,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 23:40:51,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 23:40:51,775 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 23:40:51,775 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 23:40:51,775 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 23:40:51,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 23:40:51,776 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 23:40:51,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 23:40:51,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 23:40:51,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 23:40:51,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 23:40:51,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 23:40:51,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 23:40:51,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 23:40:51,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 23:40:51,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 23:40:51,778 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-07-21 23:40:52,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 23:40:52,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 23:40:52,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 23:40:52,129 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 23:40:52,130 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 23:40:52,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-07-21 23:40:52,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4665dbe/02d963fa72a24af89c26312591cc8f7b/FLAG720e83f8e [2022-07-21 23:40:52,792 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 23:40:52,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-07-21 23:40:52,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4665dbe/02d963fa72a24af89c26312591cc8f7b/FLAG720e83f8e [2022-07-21 23:40:53,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4665dbe/02d963fa72a24af89c26312591cc8f7b [2022-07-21 23:40:53,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 23:40:53,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 23:40:53,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 23:40:53,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 23:40:53,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 23:40:53,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:53" (1/1) ... [2022-07-21 23:40:53,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbe6457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:53, skipping insertion in model container [2022-07-21 23:40:53,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:53" (1/1) ... [2022-07-21 23:40:53,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 23:40:53,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 23:40:53,893 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-07-21 23:40:53,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56747d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:53, skipping insertion in model container [2022-07-21 23:40:53,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 23:40:53,896 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 23:40:53,898 INFO L158 Benchmark]: Toolchain (without parser) took 704.68ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 39.1MB in the end (delta: 7.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-07-21 23:40:53,899 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 48.2MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 23:40:53,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.67ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 39.1MB in the end (delta: 7.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-07-21 23:40:53,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 48.2MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.67ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 39.1MB in the end (delta: 7.0MB). Peak memory consumption was 14.3MB. 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/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 23:40:55,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 23:40:55,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 23:40:55,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 23:40:55,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 23:40:55,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 23:40:55,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 23:40:55,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 23:40:55,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 23:40:55,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 23:40:55,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 23:40:55,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 23:40:55,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 23:40:55,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 23:40:55,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 23:40:55,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 23:40:55,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 23:40:55,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 23:40:55,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 23:40:55,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 23:40:55,592 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 23:40:55,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 23:40:55,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 23:40:55,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 23:40:55,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 23:40:55,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 23:40:55,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 23:40:55,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 23:40:55,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 23:40:55,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 23:40:55,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 23:40:55,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 23:40:55,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 23:40:55,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 23:40:55,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 23:40:55,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 23:40:55,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 23:40:55,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 23:40:55,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 23:40:55,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 23:40:55,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 23:40:55,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 23:40:55,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-07-21 23:40:55,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 23:40:55,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 23:40:55,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 23:40:55,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 23:40:55,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 23:40:55,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 23:40:55,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 23:40:55,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 23:40:55,655 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 23:40:55,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 23:40:55,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 23:40:55,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 23:40:55,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 23:40:55,657 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 23:40:55,657 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 23:40:55,664 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 23:40:55,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 23:40:55,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 23:40:55,665 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 23:40:55,665 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 23:40:55,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 23:40:55,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 23:40:55,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 23:40:55,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 23:40:55,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 23:40:55,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 23:40:55,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 23:40:55,667 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 23:40:55,667 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 23:40:55,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 23:40:55,668 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-07-21 23:40:55,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 23:40:56,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 23:40:56,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 23:40:56,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 23:40:56,013 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 23:40:56,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-07-21 23:40:56,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009eae80c/251e68dacdf44ffeb8ce4508a42cc724/FLAGb3f7bb963 [2022-07-21 23:40:56,620 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 23:40:56,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-07-21 23:40:56,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009eae80c/251e68dacdf44ffeb8ce4508a42cc724/FLAGb3f7bb963 [2022-07-21 23:40:57,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009eae80c/251e68dacdf44ffeb8ce4508a42cc724 [2022-07-21 23:40:57,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 23:40:57,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 23:40:57,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 23:40:57,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 23:40:57,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 23:40:57,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:57" (1/1) ... [2022-07-21 23:40:57,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f2af22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:57, skipping insertion in model container [2022-07-21 23:40:57,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:40:57" (1/1) ... [2022-07-21 23:40:57,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 23:40:57,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 23:40:58,199 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-07-21 23:40:58,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fca51bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:40:58, skipping insertion in model container [2022-07-21 23:40:58,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 23:40:58,201 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 23:40:58,203 INFO L158 Benchmark]: Toolchain (without parser) took 1105.83ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.9MB in the beginning and 45.2MB in the end (delta: -14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 23:40:58,204 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 23:40:58,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1102.35ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 45.2MB in the end (delta: -14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 23:40:58,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1102.35ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 45.2MB in the end (delta: -14.4MB). Peak memory consumption was 8.4MB. 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