./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/du-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF --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 a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:29:49,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:29:49,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:29:49,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:29:49,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:29:49,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:29:49,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:29:49,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:29:49,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:29:49,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:29:49,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:29:49,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:29:49,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:29:49,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:29:49,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:29:49,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:29:49,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:29:49,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:29:49,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:29:49,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:29:49,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:29:49,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:29:49,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:29:49,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:29:49,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:29:49,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:29:49,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:29:49,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:29:49,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:29:49,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:29:49,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:29:49,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:29:49,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:29:49,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:29:49,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:29:49,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:29:49,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:29:49,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:29:49,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:29:49,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:29:49,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:29:49,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-13 02:29:49,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:29:49,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:29:49,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:29:49,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:29:49,286 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:29:49,286 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:29:49,286 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:29:49,287 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:29:49,287 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:29:49,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:29:49,288 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:29:49,289 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:29:49,289 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:29:49,289 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:29:49,290 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:29:49,290 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:29:49,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 02:29:49,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 02:29:49,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:29:49,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 02:29:49,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:29:49,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:29:49,293 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 02:29:49,293 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 02:29:49,293 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 02:29:49,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:29:49,295 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:29:49,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:29:49,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:29:49,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:29:49,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:29:49,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:29:49,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:29:49,298 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:29:49,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:29:49,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:29:49,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:29:49,299 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_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 [2021-11-13 02:29:49,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:29:49,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:29:49,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:29:49,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:29:49,656 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:29:49,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-13 02:29:49,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data/8240977ce/d151d0db4dc64eca86099b752eb9c492/FLAGb239f8ca5 [2021-11-13 02:29:50,582 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:29:50,584 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-13 02:29:50,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data/8240977ce/d151d0db4dc64eca86099b752eb9c492/FLAGb239f8ca5 [2021-11-13 02:29:51,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data/8240977ce/d151d0db4dc64eca86099b752eb9c492 [2021-11-13 02:29:51,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:29:51,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:29:51,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:29:51,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:29:51,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:29:51,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:51" (1/1) ... [2021-11-13 02:29:51,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e24a8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:51, skipping insertion in model container [2021-11-13 02:29:51,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:51" (1/1) ... [2021-11-13 02:29:51,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:29:51,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:29:52,756 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-13 02:29:52,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bd90b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:52, skipping insertion in model container [2021-11-13 02:29:52,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:29:52,758 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:29:52,761 INFO L158 Benchmark]: Toolchain (without parser) took 1635.24ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 53.5MB in the beginning and 76.6MB in the end (delta: -23.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-13 02:29:52,762 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:29:52,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1631.72ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 53.4MB in the beginning and 77.0MB in the end (delta: -23.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-13 02:29:52,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1631.72ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 53.4MB in the beginning and 77.0MB in the end (delta: -23.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: 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_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF --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 a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:29:55,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:29:55,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:29:55,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:29:55,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:29:55,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:29:55,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:29:55,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:29:55,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:29:55,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:29:55,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:29:55,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:29:55,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:29:55,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:29:55,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:29:55,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:29:55,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:29:55,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:29:55,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:29:55,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:29:55,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:29:55,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:29:55,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:29:55,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:29:55,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:29:55,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:29:55,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:29:55,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:29:55,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:29:55,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:29:55,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:29:55,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:29:55,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:29:55,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:29:55,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:29:55,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:29:55,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:29:55,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:29:55,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:29:55,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:29:55,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:29:55,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-13 02:29:55,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:29:55,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:29:55,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:29:55,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:29:55,708 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:29:55,708 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:29:55,708 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:29:55,709 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:29:55,709 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:29:55,709 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:29:55,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 02:29:55,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 02:29:55,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:29:55,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 02:29:55,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:29:55,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:29:55,714 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 02:29:55,714 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 02:29:55,714 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 02:29:55,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:29:55,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:29:55,715 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:29:55,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:29:55,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:29:55,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:29:55,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:29:55,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:29:55,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:29:55,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:29:55,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:29:55,717 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:29:55,717 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:29:55,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:29:55,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:29:55,718 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_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 [2021-11-13 02:29:56,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:29:56,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:29:56,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:29:56,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:29:56,269 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:29:56,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-13 02:29:56,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data/d263613c7/2343a787eac44f85a109965b1c1d1882/FLAG9255e3636 [2021-11-13 02:29:57,458 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:29:57,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-13 02:29:57,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data/d263613c7/2343a787eac44f85a109965b1c1d1882/FLAG9255e3636 [2021-11-13 02:29:57,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9dd1633-6818-4281-b582-71aa5ac7e9b0/bin/utaipan-vmNK8stdcF/data/d263613c7/2343a787eac44f85a109965b1c1d1882 [2021-11-13 02:29:57,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:29:57,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:29:57,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:29:57,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:29:57,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:29:57,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:57" (1/1) ... [2021-11-13 02:29:57,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afe52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:57, skipping insertion in model container [2021-11-13 02:29:57,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:57" (1/1) ... [2021-11-13 02:29:57,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:29:57,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:29:59,764 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-13 02:29:59,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@959eb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:59, skipping insertion in model container [2021-11-13 02:29:59,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:29:59,765 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:29:59,771 INFO L158 Benchmark]: Toolchain (without parser) took 1956.36ms. Allocated memory is still 79.7MB. Free memory was 51.3MB in the beginning and 44.0MB in the end (delta: 7.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-13 02:29:59,773 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:29:59,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1953.27ms. Allocated memory is still 79.7MB. Free memory was 51.0MB in the beginning and 44.0MB in the end (delta: 7.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-13 02:29:59,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1953.27ms. Allocated memory is still 79.7MB. Free memory was 51.0MB in the beginning and 44.0MB in the end (delta: 7.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: 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