./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/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 60e87bbb338de49f951bcda640064e8dc1c76515 ........................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/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 60e87bbb338de49f951bcda640064e8dc1c76515 ........................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:53:11,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:53:11,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:53:11,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:53:11,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:53:11,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:53:11,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:53:11,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:53:11,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:53:11,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:53:11,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:53:11,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:53:11,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:53:11,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:53:11,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:53:11,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:53:11,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:53:11,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:53:11,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:53:11,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:53:11,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:53:11,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:53:11,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:53:11,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:53:11,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:53:11,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:53:11,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:53:11,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:53:11,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:53:11,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:53:11,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:53:11,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:53:11,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:53:11,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:53:11,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:53:11,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:53:11,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:53:11,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:53:11,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:53:11,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:53:11,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:53:11,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-12-07 18:53:11,257 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:53:11,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:53:11,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:53:11,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:53:11,258 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:53:11,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:53:11,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:53:11,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:53:11,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:53:11,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:53:11,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:53:11,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:53:11,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:53:11,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:53:11,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:53:11,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:53:11,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:53:11,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-12-07 18:53:11,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:53:11,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:53:11,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:53:11,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:53:11,375 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:53:11,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-12-07 18:53:11,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data/af749e363/313a5dc34a1445c085d9a2166035e7ba/FLAG8684ce00d [2019-12-07 18:53:11,975 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:53:11,975 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-12-07 18:53:11,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data/af749e363/313a5dc34a1445c085d9a2166035e7ba/FLAG8684ce00d [2019-12-07 18:53:12,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data/af749e363/313a5dc34a1445c085d9a2166035e7ba [2019-12-07 18:53:12,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:53:12,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:53:12,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:12,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:53:12,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:53:12,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:12" (1/1) ... [2019-12-07 18:53:12,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5046e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:12, skipping insertion in model container [2019-12-07 18:53:12,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:12" (1/1) ... [2019-12-07 18:53:12,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:53:12,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:53:13,211 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-12-07 18:53:13,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a28ffb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:13, skipping insertion in model container [2019-12-07 18:53:13,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:13,212 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 18:53:13,214 INFO L168 Benchmark]: Toolchain (without parser) took 764.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:13,214 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:13,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:13,216 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 763.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:53:14,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:53:14,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:53:14,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:53:14,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:53:14,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:53:14,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:53:14,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:53:14,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:53:14,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:53:14,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:53:14,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:53:14,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:53:14,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:53:14,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:53:14,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:53:14,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:53:14,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:53:14,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:53:14,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:53:14,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:53:14,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:53:14,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:53:14,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:53:14,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:53:14,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:53:14,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:53:14,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:53:14,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:53:14,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:53:14,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:53:14,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:53:14,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:53:14,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:53:14,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:53:14,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:53:14,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:53:14,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:53:14,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:53:14,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:53:14,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:53:14,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-12-07 18:53:14,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:53:14,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:53:14,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:53:14,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:53:14,431 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:53:14,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:53:14,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:53:14,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:53:14,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:53:14,432 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:53:14,432 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:53:14,432 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:53:14,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:53:14,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:53:14,433 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:53:14,433 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:53:14,433 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:53:14,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:53:14,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:53:14,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:53:14,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:53:14,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:53:14,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:53:14,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:53:14,434 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:53:14,434 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:53:14,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:53:14,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:53:14,434 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-12-07 18:53:14,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:53:14,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:53:14,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:53:14,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:53:14,605 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:53:14,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-12-07 18:53:14,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data/40fa9a823/871a71972992496a9a6e9aaa01a49649/FLAGcc9c302bb [2019-12-07 18:53:15,180 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:53:15,181 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-12-07 18:53:15,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data/40fa9a823/871a71972992496a9a6e9aaa01a49649/FLAGcc9c302bb [2019-12-07 18:53:15,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3068f9c6-3fb7-4f2a-95c5-430e401ad2bb/bin/uautomizer/data/40fa9a823/871a71972992496a9a6e9aaa01a49649 [2019-12-07 18:53:15,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:53:15,628 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:53:15,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:15,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:53:15,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:53:15,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:15" (1/1) ... [2019-12-07 18:53:15,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12116f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:15, skipping insertion in model container [2019-12-07 18:53:15,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:53:15" (1/1) ... [2019-12-07 18:53:15,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:53:15,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:53:16,449 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-12-07 18:53:16,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ba253dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:53:16, skipping insertion in model container [2019-12-07 18:53:16,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:53:16,450 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 18:53:16,452 INFO L168 Benchmark]: Toolchain (without parser) took 822.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:16,452 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:53:16,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:53:16,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 821.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -137.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...