./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/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_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:48:57,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:48:57,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:48:57,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:48:57,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:48:57,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:48:57,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:48:57,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:48:57,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:48:57,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:48:57,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:48:57,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:48:57,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:48:57,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:48:57,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:48:57,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:48:57,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:48:57,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:48:57,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:48:57,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:48:57,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:48:57,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:48:57,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:48:57,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:48:57,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:48:57,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:48:57,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:48:57,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:48:57,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:48:57,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:48:57,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:48:57,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:48:57,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:48:57,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:48:57,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:48:57,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:48:57,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:48:57,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:48:57,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:48:57,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:48:57,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:48:57,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-11-02 22:48:57,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:48:57,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:48:57,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:48:57,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:48:57,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:48:57,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:48:57,157 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:48:57,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:48:57,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:48:57,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:48:57,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:48:57,158 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-02 22:48:57,158 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-02 22:48:57,159 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-02 22:48:57,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:48:57,159 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-02 22:48:57,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:48:57,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:48:57,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:48:57,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:48:57,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:48:57,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:48:57,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:48:57,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:48:57,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:48:57,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:48:57,162 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_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-02 22:48:57,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:48:57,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:48:57,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:48:57,423 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:48:57,423 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:48:57,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-02 22:48:57,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data/e42d7840d/5d74e527e01a498b8ed8bbf9a5ad7a05/FLAG6d52e2baf [2021-11-02 22:48:58,361 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:48:58,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-02 22:48:58,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data/e42d7840d/5d74e527e01a498b8ed8bbf9a5ad7a05/FLAG6d52e2baf [2021-11-02 22:48:58,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data/e42d7840d/5d74e527e01a498b8ed8bbf9a5ad7a05 [2021-11-02 22:48:58,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:48:58,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-02 22:48:58,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:48:58,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:48:58,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:48:58,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:48:58" (1/1) ... [2021-11-02 22:48:58,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a0ef23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:48:58, skipping insertion in model container [2021-11-02 22:48:58,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:48:58" (1/1) ... [2021-11-02 22:48:58,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:48:59,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:49:00,570 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 [2021-11-02 22:49:00,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e42ea71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:49:00, skipping insertion in model container [2021-11-02 22:49:00,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:49:00,572 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-02 22:49:00,575 INFO L168 Benchmark]: Toolchain (without parser) took 1646.78 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 64.1 MB in the beginning and 102.8 MB in the end (delta: -38.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:49:00,576 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 102.8 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:49:00,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1643.98 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 63.8 MB in the beginning and 103.7 MB in the end (delta: -39.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:49:00,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 102.8 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1643.98 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 63.8 MB in the beginning and 103.7 MB in the end (delta: -39.8 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... --- 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_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/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_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:49:02,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:49:02,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:49:03,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:49:03,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:49:03,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:49:03,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:49:03,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:49:03,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:49:03,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:49:03,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:49:03,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:49:03,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:49:03,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:49:03,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:49:03,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:49:03,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:49:03,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:49:03,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:49:03,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:49:03,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:49:03,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:49:03,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:49:03,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:49:03,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:49:03,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:49:03,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:49:03,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:49:03,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:49:03,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:49:03,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:49:03,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:49:03,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:49:03,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:49:03,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:49:03,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:49:03,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:49:03,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:49:03,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:49:03,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:49:03,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:49:03,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-11-02 22:49:03,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:49:03,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:49:03,143 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:49:03,143 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:49:03,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:49:03,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:49:03,145 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:49:03,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:49:03,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:49:03,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:49:03,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:49:03,146 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-02 22:49:03,147 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-02 22:49:03,147 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-02 22:49:03,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:49:03,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-02 22:49:03,148 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-02 22:49:03,149 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-02 22:49:03,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:49:03,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:49:03,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:49:03,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:49:03,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:49:03,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:49:03,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:49:03,151 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-02 22:49:03,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-02 22:49:03,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:49:03,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-02 22:49:03,153 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_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-02 22:49:03,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:49:03,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:49:03,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:49:03,531 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:49:03,532 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:49:03,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-02 22:49:03,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data/fb51f5999/4c6d0dcf502d4f0b8da0083d567274e7/FLAGa5be3bada [2021-11-02 22:49:04,416 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:49:04,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-02 22:49:04,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data/fb51f5999/4c6d0dcf502d4f0b8da0083d567274e7/FLAGa5be3bada [2021-11-02 22:49:04,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39f84412-7061-4678-bfd8-b3b0bb65da6a/bin/uautomizer-tBqnrhUYjU/data/fb51f5999/4c6d0dcf502d4f0b8da0083d567274e7 [2021-11-02 22:49:04,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:49:04,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-02 22:49:04,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:49:04,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:49:04,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:49:04,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:49:04" (1/1) ... [2021-11-02 22:49:04,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc6f994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:49:04, skipping insertion in model container [2021-11-02 22:49:04,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:49:04" (1/1) ... [2021-11-02 22:49:04,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:49:04,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:49:06,107 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 [2021-11-02 22:49:06,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7de9dc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:49:06, skipping insertion in model container [2021-11-02 22:49:06,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:49:06,108 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-02 22:49:06,111 INFO L168 Benchmark]: Toolchain (without parser) took 1588.63 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 31.4 MB in the end (delta: 794.5 kB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:49:06,112 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 31.2 MB in the beginning and 31.1 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:49:06,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1585.91 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 31.9 MB in the beginning and 31.4 MB in the end (delta: 541.0 kB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:49:06,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 31.2 MB in the beginning and 31.1 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1585.91 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 31.9 MB in the beginning and 31.4 MB in the end (delta: 541.0 kB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN