./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:02:03,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:02:03,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:02:03,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:02:03,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:02:03,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:02:03,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:02:03,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:02:03,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:02:03,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:02:03,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:02:03,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:02:03,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:02:03,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:02:03,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:02:03,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:02:03,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:02:03,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:02:03,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:02:03,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:02:03,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:02:03,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:02:03,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:02:03,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:02:03,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:02:03,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:02:03,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:02:03,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:02:03,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:02:03,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:02:03,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:02:03,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:02:03,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:02:03,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:02:03,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:02:03,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:02:03,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:02:03,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:02:03,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:02:03,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:02:03,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:02:03,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-23 01:02:03,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:02:03,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:02:03,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:02:03,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:02:03,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:02:03,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:02:03,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:02:03,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:02:03,795 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:02:03,795 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:02:03,796 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:02:03,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:02:03,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:02:03,797 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:02:03,797 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:02:03,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:02:03,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:03,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:02:03,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:02:03,798 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:02:03,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:02:03,799 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_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-23 01:02:04,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:02:04,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:02:04,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:02:04,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:02:04,222 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:02:04,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-23 01:02:04,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data/26e8481c3/993e5c2573384e65a482dbc4a2c8d7d5/FLAG456cefbd6 [2021-11-23 01:02:05,178 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:02:05,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-23 01:02:05,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data/26e8481c3/993e5c2573384e65a482dbc4a2c8d7d5/FLAG456cefbd6 [2021-11-23 01:02:05,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data/26e8481c3/993e5c2573384e65a482dbc4a2c8d7d5 [2021-11-23 01:02:05,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:02:05,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:02:05,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:05,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:02:05,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:02:05,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:05" (1/1) ... [2021-11-23 01:02:05,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707cccb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:05, skipping insertion in model container [2021-11-23 01:02:05,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:05" (1/1) ... [2021-11-23 01:02:05,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:02:05,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:02:06,781 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 [2021-11-23 01:02:06,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35b8b2dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:06, skipping insertion in model container [2021-11-23 01:02:06,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:06,783 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:02:06,785 INFO L158 Benchmark]: Toolchain (without parser) took 1518.37ms. Allocated memory is still 98.6MB. Free memory was 55.7MB in the beginning and 51.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-11-23 01:02:06,786 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:02:06,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.24ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 51.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-11-23 01:02:06,789 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 98.6MB. Free memory was 77.1MB in the beginning and 77.1MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.24ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 51.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.4MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:02:09,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:02:09,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:02:09,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:02:09,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:02:09,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:02:09,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:02:09,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:02:09,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:02:09,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:02:09,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:02:09,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:02:09,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:02:09,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:02:09,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:02:09,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:02:09,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:02:09,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:02:09,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:02:09,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:02:09,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:02:09,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:02:09,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:02:09,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:02:09,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:02:09,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:02:09,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:02:09,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:02:09,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:02:09,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:02:09,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:02:09,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:02:09,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:02:09,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:02:09,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:02:09,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:02:09,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:02:09,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:02:09,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:02:09,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:02:09,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:02:09,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2021-11-23 01:02:09,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:02:09,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:02:09,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:02:09,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:02:09,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:02:09,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:02:09,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:02:09,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:02:09,898 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:02:09,898 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:02:09,900 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:02:09,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:02:09,901 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:02:09,901 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:02:09,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:02:09,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:02:09,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:02:09,902 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:02:09,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:02:09,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:02:09,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:02:09,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:02:09,904 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:02:09,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:02:09,904 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:02:09,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:02:09,905 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_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-23 01:02:10,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:02:10,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:02:10,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:02:10,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:02:10,383 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:02:10,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-23 01:02:10,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data/4b2cce61c/95f4aeccf080429dae2b0ca9b1877be8/FLAG05d769b62 [2021-11-23 01:02:11,589 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:02:11,590 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-23 01:02:11,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data/4b2cce61c/95f4aeccf080429dae2b0ca9b1877be8/FLAG05d769b62 [2021-11-23 01:02:12,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f661c7-1640-43e5-a116-f470d649d44b/bin/ukojak-LBtLqBUTdQ/data/4b2cce61c/95f4aeccf080429dae2b0ca9b1877be8 [2021-11-23 01:02:12,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:02:12,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:02:12,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:12,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:02:12,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:02:12,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:12" (1/1) ... [2021-11-23 01:02:12,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f98cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:12, skipping insertion in model container [2021-11-23 01:02:12,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:02:12" (1/1) ... [2021-11-23 01:02:12,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:02:12,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:02:13,856 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 [2021-11-23 01:02:13,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33798416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:02:13, skipping insertion in model container [2021-11-23 01:02:13,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:02:13,859 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 01:02:13,862 INFO L158 Benchmark]: Toolchain (without parser) took 1834.16ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 32.3MB in the beginning and 32.5MB in the end (delta: -219.8kB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 01:02:13,864 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 50.3MB. Free memory was 31.1MB in the beginning and 31.1MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:02:13,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1829.79ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 32.1MB in the beginning and 32.5MB in the end (delta: -487.4kB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 01:02:13,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 50.3MB. Free memory was 31.1MB in the beginning and 31.1MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1829.79ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 32.1MB in the beginning and 32.5MB in the end (delta: -487.4kB). Peak memory consumption was 13.5MB. 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