./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a03274b44088171a51731c36d55f1a442c2d09c6ddb4f1c439b71ea1098e4d1d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:51:44,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:51:44,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:51:45,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:51:45,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:51:45,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:51:45,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:51:45,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:51:45,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:51:45,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:51:45,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:51:45,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:51:45,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:51:45,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:51:45,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:51:45,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:51:45,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:51:45,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:51:45,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:51:45,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:51:45,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:51:45,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:51:45,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:51:45,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:51:45,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:51:45,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:51:45,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:51:45,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:51:45,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:51:45,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:51:45,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:51:45,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:51:45,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:51:45,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:51:45,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:51:45,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:51:45,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:51:45,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:51:45,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:51:45,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:51:45,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:51:45,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 03:51:45,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:51:45,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:51:45,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:51:45,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:51:45,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:51:45,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:51:45,241 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:51:45,242 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:51:45,242 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:51:45,242 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:51:45,244 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:51:45,244 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:51:45,244 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:51:45,245 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:51:45,245 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:51:45,245 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:51:45,246 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:51:45,246 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:51:45,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:51:45,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:51:45,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:51:45,248 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:51:45,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:51:45,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:51:45,251 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:51:45,251 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:51:45,251 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 03:51:45,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:51:45,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:51:45,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:51:45,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:51:45,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:51:45,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:51:45,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:51:45,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:51:45,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:51:45,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:51:45,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:51:45,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:51:45,255 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03274b44088171a51731c36d55f1a442c2d09c6ddb4f1c439b71ea1098e4d1d [2021-11-23 03:51:45,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:51:45,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:51:45,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:51:45,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:51:45,675 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:51:45,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2021-11-23 03:51:45,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data/c00a0ff19/390f8b02b2b74b5eba6ff002bea9c1bc/FLAGb6061862c [2021-11-23 03:51:46,805 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:51:46,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2021-11-23 03:51:46,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data/c00a0ff19/390f8b02b2b74b5eba6ff002bea9c1bc/FLAGb6061862c [2021-11-23 03:51:47,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data/c00a0ff19/390f8b02b2b74b5eba6ff002bea9c1bc [2021-11-23 03:51:47,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:51:47,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:51:47,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:51:47,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:51:47,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:51:47,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:47" (1/1) ... [2021-11-23 03:51:47,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560dc0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47, skipping insertion in model container [2021-11-23 03:51:47,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:47" (1/1) ... [2021-11-23 03:51:47,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:51:47,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:51:49,283 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 03:51:49,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@191c3231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49, skipping insertion in model container [2021-11-23 03:51:49,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:51:49,285 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:51:49,288 INFO L158 Benchmark]: Toolchain (without parser) took 1963.86ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 41.3MB in the beginning and 74.4MB in the end (delta: -33.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 03:51:49,289 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:51:49,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1955.74ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 41.2MB in the beginning and 74.4MB in the end (delta: -33.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 03:51:49,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1955.74ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 41.2MB in the beginning and 74.4MB in the end (delta: -33.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2569]: 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a03274b44088171a51731c36d55f1a442c2d09c6ddb4f1c439b71ea1098e4d1d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:51:52,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:51:52,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:51:52,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:51:52,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:51:52,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:51:52,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:51:52,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:51:52,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:51:52,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:51:52,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:51:52,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:51:52,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:51:52,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:51:52,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:51:52,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:51:52,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:51:52,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:51:52,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:51:52,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:51:52,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:51:52,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:51:52,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:51:52,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:51:52,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:51:52,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:51:52,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:51:52,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:51:52,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:51:52,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:51:52,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:51:52,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:51:52,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:51:52,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:51:52,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:51:52,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:51:52,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:51:52,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:51:52,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:51:52,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:51:52,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:51:52,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 03:51:52,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:51:52,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:51:52,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:51:52,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:51:52,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:51:52,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:51:52,488 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:51:52,488 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:51:52,488 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:51:52,489 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:51:52,490 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:51:52,491 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:51:52,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:51:52,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:51:52,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:51:52,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:51:52,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:51:52,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:51:52,494 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:51:52,495 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:51:52,495 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 03:51:52,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:51:52,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:51:52,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:51:52,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:51:52,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:51:52,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:51:52,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:51:52,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:51:52,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:51:52,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:51:52,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:51:52,499 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:51:52,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:51:52,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:51:52,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:51:52,500 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_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03274b44088171a51731c36d55f1a442c2d09c6ddb4f1c439b71ea1098e4d1d [2021-11-23 03:51:53,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:51:53,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:51:53,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:51:53,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:51:53,047 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:51:53,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2021-11-23 03:51:53,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data/ff6a68938/3c32bdb0d9ff45308ea400e633f8d68a/FLAG9b3ac1816 [2021-11-23 03:51:54,312 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:51:54,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2021-11-23 03:51:54,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data/ff6a68938/3c32bdb0d9ff45308ea400e633f8d68a/FLAG9b3ac1816 [2021-11-23 03:51:54,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cba2a2-d511-441b-b591-7edd3c81ccf6/bin/utaipan-EQgc7hIp5V/data/ff6a68938/3c32bdb0d9ff45308ea400e633f8d68a [2021-11-23 03:51:54,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:51:54,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:51:54,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:51:54,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:51:54,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:51:54,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:54" (1/1) ... [2021-11-23 03:51:54,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fa598f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54, skipping insertion in model container [2021-11-23 03:51:54,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:54" (1/1) ... [2021-11-23 03:51:54,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:51:54,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:51:56,829 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 03:51:56,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5315b5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:56, skipping insertion in model container [2021-11-23 03:51:56,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:51:56,833 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:51:56,836 INFO L158 Benchmark]: Toolchain (without parser) took 2186.29ms. Allocated memory is still 86.0MB. Free memory was 69.3MB in the beginning and 51.4MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-23 03:51:56,838 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:51:56,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2178.09ms. Allocated memory is still 86.0MB. Free memory was 69.3MB in the beginning and 51.4MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-23 03:51:56,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 86.0MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 136.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2178.09ms. Allocated memory is still 86.0MB. Free memory was 69.3MB in the beginning and 51.4MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2569]: 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