./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/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_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:18:44,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:18:44,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:18:44,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:18:44,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:18:44,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:18:44,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:18:44,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:18:44,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:18:44,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:18:44,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:18:44,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:18:44,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:18:44,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:18:44,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:18:44,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:18:44,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:18:44,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:18:44,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:18:44,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:18:44,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:18:44,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:18:44,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:18:44,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:18:44,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:18:44,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:18:44,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:18:44,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:18:44,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:18:44,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:18:44,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:18:44,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:18:44,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:18:44,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:18:44,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:18:44,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:18:44,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:18:44,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:18:44,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:18:44,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:18:44,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:18:44,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-11-20 11:18:44,523 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:18:44,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:18:44,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:18:44,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:18:44,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:18:44,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:18:44,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:18:44,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:18:44,526 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:18:44,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:18:44,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:18:44,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:18:44,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:18:44,527 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 11:18:44,528 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 11:18:44,528 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 11:18:44,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:18:44,528 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:18:44,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:18:44,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:18:44,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:18:44,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:18:44,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:18:44,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:18:44,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:18:44,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:18:44,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:18:44,531 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_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-20 11:18:44,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:18:44,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:18:44,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:18:44,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:18:44,905 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:18:44,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-20 11:18:48,411 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:18:49,019 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:18:49,023 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-20 11:18:49,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/data/db8e75434/e590584fe739460692ea45e2f0f0d26e/FLAG326a86acb [2022-11-20 11:18:49,091 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/data/db8e75434/e590584fe739460692ea45e2f0f0d26e [2022-11-20 11:18:49,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:18:49,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:18:49,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:18:49,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:18:49,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:18:49,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:49" (1/1) ... [2022-11-20 11:18:49,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6886bb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:49, skipping insertion in model container [2022-11-20 11:18:49,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:49" (1/1) ... [2022-11-20 11:18:49,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:18:49,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:18:50,848 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 [2022-11-20 11:18:50,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6878905a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:50, skipping insertion in model container [2022-11-20 11:18:50,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:18:50,850 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 11:18:50,852 INFO L158 Benchmark]: Toolchain (without parser) took 1755.80ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 108.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 11:18:50,853 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 172.0MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:18:50,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1752.70ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 108.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 11:18:50,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 172.0MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1752.70ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 108.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/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_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:18:53,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:18:53,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:18:53,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:18:53,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:18:53,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:18:53,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:18:53,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:18:53,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:18:53,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:18:53,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:18:53,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:18:53,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:18:53,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:18:53,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:18:53,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:18:53,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:18:53,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:18:53,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:18:53,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:18:53,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:18:53,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:18:53,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:18:53,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:18:53,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:18:53,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:18:53,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:18:53,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:18:53,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:18:53,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:18:53,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:18:53,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:18:53,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:18:53,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:18:53,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:18:53,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:18:53,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:18:53,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:18:53,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:18:53,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:18:53,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:18:53,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-11-20 11:18:53,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:18:53,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:18:53,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:18:53,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:18:53,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:18:53,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:18:53,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:18:53,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:18:53,769 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:18:53,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:18:53,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:18:53,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:18:53,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:18:53,771 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 11:18:53,772 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 11:18:53,772 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 11:18:53,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:18:53,773 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:18:53,773 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:18:53,773 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:18:53,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:18:53,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:18:53,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:18:53,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:18:53,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:18:53,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:18:53,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:18:53,776 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:18:53,776 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:18:53,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:18:53,777 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_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-20 11:18:54,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:18:54,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:18:54,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:18:54,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:18:54,330 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:18:54,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-20 11:18:57,668 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:18:58,322 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:18:58,323 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-20 11:18:58,368 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/data/565bd756a/2ffdbde611a141ddbb1e62f6d7244524/FLAG68a141073 [2022-11-20 11:18:58,387 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3317f107-0ea6-4f9a-8c29-e573701d13f2/bin/uautomizer-ug76WZFUDN/data/565bd756a/2ffdbde611a141ddbb1e62f6d7244524 [2022-11-20 11:18:58,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:18:58,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:18:58,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:18:58,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:18:58,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:18:58,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:58" (1/1) ... [2022-11-20 11:18:58,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36201d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:58, skipping insertion in model container [2022-11-20 11:18:58,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:58" (1/1) ... [2022-11-20 11:18:58,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:18:58,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:18:59,887 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 [2022-11-20 11:18:59,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fcce74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:59, skipping insertion in model container [2022-11-20 11:18:59,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:18:59,890 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 11:18:59,893 INFO L158 Benchmark]: Toolchain (without parser) took 1499.21ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 46.1MB in the beginning and 49.0MB in the end (delta: -2.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-20 11:18:59,894 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:18:59,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1496.35ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 46.0MB in the beginning and 49.0MB in the end (delta: -3.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-20 11:18:59,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1496.35ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 46.0MB in the beginning and 49.0MB in the end (delta: -3.0MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * 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