./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI --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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:23:05,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:23:05,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:23:05,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:23:05,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:23:05,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:23:05,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:23:05,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:23:05,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:23:05,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:23:05,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:23:05,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:23:05,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:23:05,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:23:05,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:23:05,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:23:05,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:23:05,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:23:05,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:23:05,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:23:05,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:23:05,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:23:05,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:23:05,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:23:05,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:23:05,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:23:05,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:23:05,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:23:05,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:23:05,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:23:05,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:23:05,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:23:05,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:23:05,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:23:05,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:23:05,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:23:05,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:23:05,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:23:05,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:23:05,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:23:05,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:23:05,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-03 02:23:05,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:23:05,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:23:05,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:23:05,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:23:05,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:23:05,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:23:05,264 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:23:05,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:23:05,265 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:23:05,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:23:05,265 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:23:05,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:23:05,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:23:05,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:23:05,266 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:23:05,267 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:23:05,267 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:23:05,267 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:23:05,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 02:23:05,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 02:23:05,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:23:05,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:23:05,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:23:05,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:23:05,270 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 02:23:05,270 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 02:23:05,270 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 02:23:05,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:23:05,271 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:23:05,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:23:05,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:23:05,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:23:05,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:23:05,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:23:05,273 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:23:05,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:23:05,273 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:23:05,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:23:05,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:23:05,274 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_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2022-11-03 02:23:05,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:23:05,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:23:05,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:23:05,642 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:23:05,643 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:23:05,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-11-03 02:23:05,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data/b90c63563/b563efd212024f3c8ef4835146913994/FLAGde81b9e8e [2022-11-03 02:23:06,600 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:23:06,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-11-03 02:23:06,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data/b90c63563/b563efd212024f3c8ef4835146913994/FLAGde81b9e8e [2022-11-03 02:23:06,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data/b90c63563/b563efd212024f3c8ef4835146913994 [2022-11-03 02:23:06,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:23:06,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:23:06,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:23:06,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:23:06,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:23:06,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:23:06" (1/1) ... [2022-11-03 02:23:06,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e663719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:06, skipping insertion in model container [2022-11-03 02:23:06,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:23:06" (1/1) ... [2022-11-03 02:23:06,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:23:06,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:23:08,428 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-03 02:23:08,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f159601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:08, skipping insertion in model container [2022-11-03 02:23:08,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:23:08,431 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:23:08,433 INFO L158 Benchmark]: Toolchain (without parser) took 1696.36ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 63.1MB in the end (delta: 3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 02:23:08,435 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:23:08,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1690.12ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 63.1MB in the end (delta: 3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 02:23:08,439 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 102.8MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1690.12ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 63.1MB in the end (delta: 3.1MB). Peak memory consumption was 14.7MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI --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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:23:10,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:23:10,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:23:10,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:23:10,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:23:10,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:23:10,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:23:10,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:23:10,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:23:10,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:23:10,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:23:10,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:23:10,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:23:10,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:23:10,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:23:10,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:23:10,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:23:10,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:23:10,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:23:10,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:23:10,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:23:10,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:23:10,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:23:10,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:23:10,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:23:10,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:23:10,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:23:10,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:23:10,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:23:10,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:23:10,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:23:10,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:23:10,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:23:10,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:23:10,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:23:10,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:23:10,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:23:10,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:23:10,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:23:10,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:23:10,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:23:10,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-03 02:23:11,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:23:11,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:23:11,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:23:11,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:23:11,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:23:11,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:23:11,035 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:23:11,036 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:23:11,036 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:23:11,036 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:23:11,037 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:23:11,037 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:23:11,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 02:23:11,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 02:23:11,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:23:11,040 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:23:11,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:23:11,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:23:11,041 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 02:23:11,041 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 02:23:11,041 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 02:23:11,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:23:11,042 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:23:11,042 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:23:11,042 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:23:11,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:23:11,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:23:11,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:23:11,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:23:11,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:23:11,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:23:11,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:23:11,044 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:23:11,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:23:11,045 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:23:11,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:23:11,045 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_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2022-11-03 02:23:11,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:23:11,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:23:11,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:23:11,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:23:11,516 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:23:11,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-11-03 02:23:11,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data/ce571c0a3/b38913cd330043358fb43727efcf15e0/FLAGc3f0133fb [2022-11-03 02:23:12,537 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:23:12,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2022-11-03 02:23:12,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data/ce571c0a3/b38913cd330043358fb43727efcf15e0/FLAGc3f0133fb [2022-11-03 02:23:13,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db84975c-b23f-4f21-af76-0511db3af198/bin/utaipan-7li7fVZpFI/data/ce571c0a3/b38913cd330043358fb43727efcf15e0 [2022-11-03 02:23:13,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:23:13,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:23:13,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:23:13,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:23:13,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:23:13,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:23:13" (1/1) ... [2022-11-03 02:23:13,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58464889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:13, skipping insertion in model container [2022-11-03 02:23:13,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:23:13" (1/1) ... [2022-11-03 02:23:13,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:23:13,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:23:14,469 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-03 02:23:14,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19e26f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:23:14, skipping insertion in model container [2022-11-03 02:23:14,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:23:14,471 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:23:14,472 INFO L158 Benchmark]: Toolchain (without parser) took 1401.50ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 46.5MB in the end (delta: 6.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-03 02:23:14,473 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 77.6MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:23:14,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1398.94ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 46.5MB in the end (delta: 6.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-03 02:23:14,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 77.6MB. Free memory was 57.1MB in the beginning and 57.0MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1398.94ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 46.5MB in the end (delta: 6.5MB). Peak memory consumption was 15.0MB. 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