./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:23:43,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:23:43,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:23:43,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:23:43,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:23:43,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:23:43,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:23:43,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:23:43,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:23:43,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:23:43,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:23:43,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:23:43,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:23:43,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:23:43,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:23:43,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:23:43,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:23:43,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:23:43,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:23:43,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:23:43,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:23:43,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:23:43,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:23:43,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:23:43,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:23:43,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:23:43,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:23:43,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:23:43,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:23:43,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:23:43,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:23:43,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:23:43,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:23:43,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:23:43,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:23:43,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:23:43,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:23:43,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:23:43,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:23:43,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:23:43,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:23:43,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 18:23:43,912 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:23:43,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:23:43,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:23:43,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:23:43,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:23:43,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:23:43,916 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:23:43,916 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:23:43,916 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:23:43,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:23:43,917 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:23:43,918 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:23:43,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:23:43,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:23:43,919 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:23:43,919 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:23:43,919 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:23:43,919 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:23:43,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 18:23:43,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 18:23:43,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:23:43,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:23:43,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:23:43,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:23:43,922 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 18:23:43,922 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 18:23:43,922 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 18:23:43,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:23:43,923 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:23:43,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:23:43,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:23:43,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:23:43,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:43,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:23:43,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:23:43,925 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:23:43,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:23:43,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:23:43,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:23:43,926 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2021-11-25 18:23:44,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:23:44,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:23:44,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:23:44,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:23:44,340 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:23:44,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-11-25 18:23:44,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data/8c577feff/6ad2cfb9fc3a4d6ba8e51c4a213f2317/FLAGf975c55c2 [2021-11-25 18:23:45,308 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:23:45,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-11-25 18:23:45,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data/8c577feff/6ad2cfb9fc3a4d6ba8e51c4a213f2317/FLAGf975c55c2 [2021-11-25 18:23:45,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data/8c577feff/6ad2cfb9fc3a4d6ba8e51c4a213f2317 [2021-11-25 18:23:45,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:23:45,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:23:45,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:45,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:23:45,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:23:45,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:45" (1/1) ... [2021-11-25 18:23:45,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6043f840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:45, skipping insertion in model container [2021-11-25 18:23:45,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:45" (1/1) ... [2021-11-25 18:23:45,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:23:45,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:23:46,437 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2021-11-25 18:23:46,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c4ade83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:46, skipping insertion in model container [2021-11-25 18:23:46,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:46,438 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 18:23:46,440 INFO L158 Benchmark]: Toolchain (without parser) took 1036.46ms. Allocated memory is still 104.9MB. Free memory was 65.8MB in the beginning and 72.6MB in the end (delta: -6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 18:23:46,441 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:23:46,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.91ms. Allocated memory is still 104.9MB. Free memory was 65.6MB in the beginning and 72.6MB in the end (delta: -7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 18:23:46,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.91ms. Allocated memory is still 104.9MB. Free memory was 65.6MB in the beginning and 72.6MB in the end (delta: -7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:23:48,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:23:48,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:23:49,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:23:49,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:23:49,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:23:49,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:23:49,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:23:49,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:23:49,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:23:49,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:23:49,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:23:49,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:23:49,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:23:49,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:23:49,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:23:49,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:23:49,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:23:49,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:23:49,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:23:49,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:23:49,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:23:49,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:23:49,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:23:49,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:23:49,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:23:49,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:23:49,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:23:49,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:23:49,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:23:49,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:23:49,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:23:49,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:23:49,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:23:49,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:23:49,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:23:49,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:23:49,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:23:49,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:23:49,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:23:49,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:23:49,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 18:23:49,149 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:23:49,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:23:49,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:23:49,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:23:49,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:23:49,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:23:49,151 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:23:49,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:23:49,152 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:23:49,152 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:23:49,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:23:49,154 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:23:49,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 18:23:49,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 18:23:49,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:23:49,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:23:49,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:23:49,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:23:49,156 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 18:23:49,157 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 18:23:49,157 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 18:23:49,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:23:49,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:23:49,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:23:49,158 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:23:49,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:23:49,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:23:49,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:23:49,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:23:49,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:49,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:23:49,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:23:49,160 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:23:49,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:23:49,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:23:49,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:23:49,161 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_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2021-11-25 18:23:49,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:23:49,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:23:49,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:23:49,660 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:23:49,662 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:23:49,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-11-25 18:23:49,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data/5704d35d3/fd974cc677af4e64ad0a9e79ae9a7d13/FLAG9edcac7ec [2021-11-25 18:23:50,629 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:23:50,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2021-11-25 18:23:50,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data/5704d35d3/fd974cc677af4e64ad0a9e79ae9a7d13/FLAG9edcac7ec [2021-11-25 18:23:50,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f56c2-1990-4c82-9e96-6dd7da072f84/bin/utaipan-eEHZpOm5b7/data/5704d35d3/fd974cc677af4e64ad0a9e79ae9a7d13 [2021-11-25 18:23:50,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:23:50,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:23:50,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:50,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:23:50,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:23:50,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:50" (1/1) ... [2021-11-25 18:23:50,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1afc0888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:50, skipping insertion in model container [2021-11-25 18:23:50,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:50" (1/1) ... [2021-11-25 18:23:50,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:23:50,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:23:51,928 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2021-11-25 18:23:51,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cc3c472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:51, skipping insertion in model container [2021-11-25 18:23:51,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:51,932 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 18:23:51,934 INFO L158 Benchmark]: Toolchain (without parser) took 1197.76ms. Allocated memory is still 67.1MB. Free memory was 44.3MB in the beginning and 40.2MB in the end (delta: 4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,935 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:23:51,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1192.89ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 40.2MB in the end (delta: 3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 18:23:51,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1192.89ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 40.2MB in the end (delta: 3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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