./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu --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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:32,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:32,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:32,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:32,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:32,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:32,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:32,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:32,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:32,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:32,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:32,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:32,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:32,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:32,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:32,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:32,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:32,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:32,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:32,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:32,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:32,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:32,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:32,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:32,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:32,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:32,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:32,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:32,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:32,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:32,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:32,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:32,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:32,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:32,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:32,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:32,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:32,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:32,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:32,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:32,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:32,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-23 15:30:32,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:32,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:32,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:32,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:32,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:32,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:30:32,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:32,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:32,813 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:30:32,813 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:30:32,814 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:30:32,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:32,815 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:32,815 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:32,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:32,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:32,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:32,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:32,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:32,817 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:32,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:32,817 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_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2021-11-23 15:30:33,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:33,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:33,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:33,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:33,167 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:33,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-11-23 15:30:33,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data/e86e1f2b5/52b0cf242ed447ccb5d928585cb85712/FLAGaa8fa4d18 [2021-11-23 15:30:34,135 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:34,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-11-23 15:30:34,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data/e86e1f2b5/52b0cf242ed447ccb5d928585cb85712/FLAGaa8fa4d18 [2021-11-23 15:30:34,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data/e86e1f2b5/52b0cf242ed447ccb5d928585cb85712 [2021-11-23 15:30:34,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:34,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:34,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:34,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:34,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:34,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:34" (1/1) ... [2021-11-23 15:30:34,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29315e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:34, skipping insertion in model container [2021-11-23 15:30:34,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:34" (1/1) ... [2021-11-23 15:30:34,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:34,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:36,159 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 15:30:36,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@449197e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:36, skipping insertion in model container [2021-11-23 15:30:36,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:36,161 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 15:30:36,163 INFO L158 Benchmark]: Toolchain (without parser) took 1521.62ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 55.7MB in the end (delta: 10.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:30:36,164 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 67.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:36,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.48ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 55.7MB in the end (delta: 10.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:30:36,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 67.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.48ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 55.7MB in the end (delta: 10.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu --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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:38,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:38,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:38,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:38,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:38,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:38,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:38,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:38,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:38,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:38,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:38,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:38,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:38,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:38,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:38,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:38,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:38,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:38,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:38,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:38,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:38,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:38,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:38,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:38,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:38,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:38,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:38,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:38,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:38,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:38,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:38,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:38,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:38,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:38,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:38,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:38,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:38,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:38,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:38,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:39,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:39,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2021-11-23 15:30:39,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:39,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:39,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:39,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:39,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:39,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:30:39,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:39,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:39,051 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:30:39,051 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:30:39,053 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:30:39,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:39,053 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:39,053 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:39,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:39,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:39,054 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:39,054 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:39,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:39,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:39,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:39,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:39,056 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:39,056 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:39,056 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:39,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:39,057 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_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2021-11-23 15:30:39,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:39,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:39,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:39,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:39,495 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:39,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-11-23 15:30:39,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data/11b6ad2d3/00611164628d474a85c3c01b7cdf8459/FLAG3b5ba9b17 [2021-11-23 15:30:40,420 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:40,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-11-23 15:30:40,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data/11b6ad2d3/00611164628d474a85c3c01b7cdf8459/FLAG3b5ba9b17 [2021-11-23 15:30:40,508 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2012179a-fcee-4a1e-b12f-6a352edbd01e/bin/ukojak-CwSLpZB5Qu/data/11b6ad2d3/00611164628d474a85c3c01b7cdf8459 [2021-11-23 15:30:40,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:40,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:40,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:40,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:40,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:40,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:40,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35310113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40, skipping insertion in model container [2021-11-23 15:30:40,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:40,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:40,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:41,829 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 15:30:41,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e710ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:41, skipping insertion in model container [2021-11-23 15:30:41,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:41,830 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 15:30:41,832 INFO L158 Benchmark]: Toolchain (without parser) took 1319.04ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 33.9MB in the end (delta: 5.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 15:30:41,833 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:41,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.87ms. Allocated memory is still 65.0MB. Free memory was 39.1MB in the beginning and 33.9MB in the end (delta: 5.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 15:30:41,835 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.87ms. Allocated memory is still 65.0MB. Free memory was 39.1MB in the beginning and 33.9MB in the end (delta: 5.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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