./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:48:29,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:48:29,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:48:29,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:48:29,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:48:29,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:48:29,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:48:29,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:48:29,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:48:29,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:48:29,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:48:29,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:48:29,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:48:29,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:48:29,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:48:29,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:48:29,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:48:29,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:48:29,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:48:29,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:48:29,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:48:29,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:48:29,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:48:29,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:48:29,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:48:29,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:48:29,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:48:29,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:48:29,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:48:29,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:48:29,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:48:29,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:48:29,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:48:29,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:48:29,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:48:29,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:48:29,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:48:29,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:48:29,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:48:29,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:48:29,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:48:29,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-28 08:48:29,294 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:48:29,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:48:29,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:48:29,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:48:29,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:48:29,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:48:29,299 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:48:29,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:48:29,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:48:29,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:48:29,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:48:29,302 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:48:29,302 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:48:29,302 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:48:29,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:48:29,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:48:29,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:48:29,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:48:29,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:48:29,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:48:29,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:48:29,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:48:29,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:48:29,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:48:29,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:48:29,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:48:29,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-10-28 08:48:29,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:48:29,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:48:29,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:48:29,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:48:29,719 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:48:29,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-28 08:48:29,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data/20814f8f2/8402e80afdb24dffb9364487cfe52e67/FLAG9e3fc56b2 [2021-10-28 08:48:30,747 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:48:30,748 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-28 08:48:30,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data/20814f8f2/8402e80afdb24dffb9364487cfe52e67/FLAG9e3fc56b2 [2021-10-28 08:48:30,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data/20814f8f2/8402e80afdb24dffb9364487cfe52e67 [2021-10-28 08:48:30,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:48:30,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:48:30,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:30,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:48:30,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:48:30,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:30" (1/1) ... [2021-10-28 08:48:30,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a63e499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:30, skipping insertion in model container [2021-10-28 08:48:30,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:30" (1/1) ... [2021-10-28 08:48:30,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:48:30,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:48:32,396 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 [2021-10-28 08:48:32,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2db94b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:32, skipping insertion in model container [2021-10-28 08:48:32,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:32,398 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 08:48:32,401 INFO L168 Benchmark]: Toolchain (without parser) took 1539.48 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 60.6 MB in the beginning and 85.3 MB in the end (delta: -24.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:32,402 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 98.6 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:48:32,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1534.28 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 60.4 MB in the beginning and 85.3 MB in the end (delta: -24.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:32,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 98.6 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1534.28 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 60.4 MB in the beginning and 85.3 MB in the end (delta: -24.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: 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 0.2.1-dev-b2eff8b [2021-10-28 08:48:35,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:48:35,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:48:35,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:48:35,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:48:35,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:48:35,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:48:35,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:48:35,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:48:35,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:48:35,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:48:35,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:48:35,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:48:35,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:48:35,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:48:35,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:48:35,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:48:35,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:48:35,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:48:35,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:48:35,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:48:35,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:48:35,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:48:35,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:48:35,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:48:35,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:48:35,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:48:35,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:48:35,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:48:35,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:48:35,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:48:35,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:48:35,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:48:35,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:48:35,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:48:35,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:48:35,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:48:35,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:48:35,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:48:35,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:48:35,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:48:35,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-28 08:48:35,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:48:35,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:48:35,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:48:35,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:48:35,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:48:35,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:48:35,550 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:48:35,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:48:35,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:48:35,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:48:35,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:48:35,553 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 08:48:35,553 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 08:48:35,554 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 08:48:35,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:48:35,554 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 08:48:35,555 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 08:48:35,555 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 08:48:35,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:48:35,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:48:35,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:48:35,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:48:35,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:48:35,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:48:35,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:48:35,558 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 08:48:35,558 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 08:48:35,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:48:35,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 08:48:35,559 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_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-10-28 08:48:36,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:48:36,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:48:36,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:48:36,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:48:36,121 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:48:36,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-28 08:48:36,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data/1e7318e19/e4bb96ad2f6f4df895863aaf128c5dfb/FLAG6ee251a3b [2021-10-28 08:48:37,242 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:48:37,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-28 08:48:37,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data/1e7318e19/e4bb96ad2f6f4df895863aaf128c5dfb/FLAG6ee251a3b [2021-10-28 08:48:37,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8fcec-75a5-4345-a9d5-20ca4fee01d7/bin/uautomizer-UnR33cPsHg/data/1e7318e19/e4bb96ad2f6f4df895863aaf128c5dfb [2021-10-28 08:48:37,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:48:37,769 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 08:48:37,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:37,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:48:37,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:48:37,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:37" (1/1) ... [2021-10-28 08:48:37,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ad1092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:37, skipping insertion in model container [2021-10-28 08:48:37,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:37" (1/1) ... [2021-10-28 08:48:37,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:48:37,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:48:39,466 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 [2021-10-28 08:48:39,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e10ceda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:39, skipping insertion in model container [2021-10-28 08:48:39,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:39,468 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 08:48:39,470 INFO L168 Benchmark]: Toolchain (without parser) took 1699.56 ms. Allocated memory is still 60.8 MB. Free memory was 33.1 MB in the beginning and 28.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:39,471 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 41.2 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:48:39,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1695.98 ms. Allocated memory is still 60.8 MB. Free memory was 32.9 MB in the beginning and 28.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:48:39,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 41.2 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1695.98 ms. Allocated memory is still 60.8 MB. Free memory was 32.9 MB in the beginning and 28.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: 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...