./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer --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 ae47ea464d7b3654b12768aa5faafe9c13473b69 .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer --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 ae47ea464d7b3654b12768aa5faafe9c13473b69 ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:00:50,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:51,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:51,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:51,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:51,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:51,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:51,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:51,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:51,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:51,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:51,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:51,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:51,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:51,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:51,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:51,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:51,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:51,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:51,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:51,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:51,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:51,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:51,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:51,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:51,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:51,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:51,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:51,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:51,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:51,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:51,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:51,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:51,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:51,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:51,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:51,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:51,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:51,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:51,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:51,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:51,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-11-28 03:00:51,247 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:51,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:51,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:51,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:51,250 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:51,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:51,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:00:51,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:51,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:51,252 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:00:51,253 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:00:51,254 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:00:51,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:00:51,254 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:00:51,254 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:51,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:51,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:51,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:00:51,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:00:51,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:00:51,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:51,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:00:51,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:00:51,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:00:51,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:51,258 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-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2020-11-28 03:00:51,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:51,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:51,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:51,691 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:51,692 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:51,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-28 03:00:51,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data/321aec743/3db58b7f79e64decac8f069870d5fa23/FLAG50c26f4a2 [2020-11-28 03:00:52,664 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:52,665 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-28 03:00:52,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data/321aec743/3db58b7f79e64decac8f069870d5fa23/FLAG50c26f4a2 [2020-11-28 03:00:53,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data/321aec743/3db58b7f79e64decac8f069870d5fa23 [2020-11-28 03:00:53,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:53,214 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:00:53,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:53,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:53,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:53,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796329e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53, skipping insertion in model container [2020-11-28 03:00:53,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:53,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:00:54,463 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 03:00:54,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@544b5f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:54, skipping insertion in model container [2020-11-28 03:00:54,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:54,465 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:00:54,468 INFO L168 Benchmark]: Toolchain (without parser) took 1252.39 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.0 MB in the beginning and 69.7 MB in the end (delta: -21.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:54,469 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:54,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1244.78 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.8 MB in the beginning and 69.7 MB in the end (delta: -21.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:54,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1244.78 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.8 MB in the beginning and 69.7 MB in the end (delta: -21.9 MB). Peak memory consumption was 11.5 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 0.2.0-a4ecdab [2020-11-28 03:00:56,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:56,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:56,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:56,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:56,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:56,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:56,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:56,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:56,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:56,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:56,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:56,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:56,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:56,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:56,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:56,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:56,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:56,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:56,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:56,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:57,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:57,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:57,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:57,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:57,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:57,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:57,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:57,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:57,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:57,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:57,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:57,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:57,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:57,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:57,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:57,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:57,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:57,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:57,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:57,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:57,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-11-28 03:00:57,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:57,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:57,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:57,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:57,115 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:57,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:57,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:00:57,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:57,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:57,117 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:00:57,118 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:00:57,119 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:00:57,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:00:57,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:00:57,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:00:57,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:00:57,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:57,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:57,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:57,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:00:57,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:00:57,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:00:57,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:57,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:00:57,123 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:00:57,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:00:57,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:57,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:00:57,124 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-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2020-11-28 03:00:57,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:57,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:57,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:57,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:57,665 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:57,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-28 03:00:57,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data/bad15371a/bace589721dd4be4aa8a38e35dd6040d/FLAG95f413db2 [2020-11-28 03:00:58,685 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:58,688 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2020-11-28 03:00:58,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data/bad15371a/bace589721dd4be4aa8a38e35dd6040d/FLAG95f413db2 [2020-11-28 03:00:58,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1cd26b8e-6c9a-4cb1-b09d-e0506fe94deb/bin/uautomizer/data/bad15371a/bace589721dd4be4aa8a38e35dd6040d [2020-11-28 03:00:58,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:58,800 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:00:58,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:58,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:58,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:58,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:58" (1/1) ... [2020-11-28 03:00:58,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17086ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:58, skipping insertion in model container [2020-11-28 03:00:58,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:58" (1/1) ... [2020-11-28 03:00:58,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:58,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:01:00,100 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 03:01:00,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45761cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:00, skipping insertion in model container [2020-11-28 03:01:00,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:00,102 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:01:00,106 INFO L168 Benchmark]: Toolchain (without parser) took 1303.28 ms. Allocated memory is still 86.0 MB. Free memory was 65.6 MB in the beginning and 62.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,109 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 41.9 MB in the beginning and 41.9 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:00,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1299.49 ms. Allocated memory is still 86.0 MB. Free memory was 65.4 MB in the beginning and 62.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:00,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 41.9 MB in the beginning and 41.9 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1299.49 ms. Allocated memory is still 86.0 MB. Free memory was 65.4 MB in the beginning and 62.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 16.8 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...