./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh --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 798315a8ad0c4d81fda2a5ac7b68944b6ce53b094d274ccbe8c9dc2d6fa510be --- 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-2329fc7 [2022-12-14 15:17:51,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:17:51,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:17:51,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:17:51,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:17:51,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:17:51,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:17:51,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:17:51,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:17:51,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:17:51,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:17:51,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:17:51,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:17:51,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:17:51,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:17:51,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:17:51,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:17:51,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:17:51,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:17:51,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:17:51,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:17:51,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:17:51,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:17:51,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:17:51,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:17:51,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:17:51,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:17:51,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:17:51,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:17:51,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:17:51,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:17:51,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:17:51,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:17:51,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:17:51,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:17:51,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:17:51,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:17:51,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:17:51,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:17:51,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:17:51,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:17:51,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 15:17:51,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:17:51,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:17:51,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:17:51,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:17:51,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:17:51,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:17:51,261 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:17:51,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:17:51,261 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:17:51,261 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:17:51,261 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:17:51,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:17:51,261 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:17:51,262 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:17:51,262 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:17:51,262 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:17:51,262 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:17:51,262 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:17:51,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:17:51,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:17:51,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:17:51,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:17:51,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:17:51,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:17:51,263 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:17:51,263 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:17:51,263 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 15:17:51,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:17:51,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:17:51,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:17:51,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:17:51,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:17:51,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:17:51,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:17:51,264 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:17:51,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:17:51,265 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:17:51,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:17:51,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:17:51,265 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_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 798315a8ad0c4d81fda2a5ac7b68944b6ce53b094d274ccbe8c9dc2d6fa510be [2022-12-14 15:17:51,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:17:51,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:17:51,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:17:51,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:17:51,442 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:17:51,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/touch-2.i [2022-12-14 15:17:54,099 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:17:54,350 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:17:54,351 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/sv-benchmarks/c/busybox-1.22.0/touch-2.i [2022-12-14 15:17:54,370 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/data/3084bb40d/3c5d43a7382c4a119b4dc78e00a17de6/FLAGb30688cfd [2022-12-14 15:17:54,382 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/data/3084bb40d/3c5d43a7382c4a119b4dc78e00a17de6 [2022-12-14 15:17:54,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:17:54,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:17:54,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:17:54,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:17:54,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:17:54,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:17:54" (1/1) ... [2022-12-14 15:17:54,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18528fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:54, skipping insertion in model container [2022-12-14 15:17:54,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:17:54" (1/1) ... [2022-12-14 15:17:54,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:17:54,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:17:55,449 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 15:17:55,450 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 15:17:55,452 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 15:17:55,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2407a3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:55, skipping insertion in model container [2022-12-14 15:17:55,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:17:55,453 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:17:55,455 INFO L158 Benchmark]: Toolchain (without parser) took 1069.54ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 57.6MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 15:17:55,455 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:17:55,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1068.02ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 57.6MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 15:17:55,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 130.0MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1068.02ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 57.6MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2613]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/touch-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh --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 798315a8ad0c4d81fda2a5ac7b68944b6ce53b094d274ccbe8c9dc2d6fa510be --- 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-2329fc7 [2022-12-14 15:17:56,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:17:56,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:17:56,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:17:56,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:17:56,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:17:56,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:17:56,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:17:56,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:17:56,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:17:56,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:17:56,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:17:56,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:17:56,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:17:56,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:17:56,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:17:56,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:17:56,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:17:56,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:17:56,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:17:56,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:17:56,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:17:56,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:17:56,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:17:56,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:17:56,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:17:56,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:17:56,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:17:56,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:17:56,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:17:56,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:17:56,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:17:56,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:17:56,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:17:56,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:17:56,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:17:56,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:17:56,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:17:56,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:17:56,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:17:56,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:17:56,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 15:17:56,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:17:56,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:17:56,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:17:56,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:17:56,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:17:56,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:17:56,788 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:17:56,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:17:56,788 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:17:56,789 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:17:56,789 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:17:56,789 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:17:56,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 15:17:56,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 15:17:56,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:17:56,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:17:56,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:17:56,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:17:56,790 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 15:17:56,790 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 15:17:56,791 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 15:17:56,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:17:56,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 15:17:56,791 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 15:17:56,791 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 15:17:56,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:17:56,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:17:56,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 15:17:56,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:17:56,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:17:56,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:17:56,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:17:56,793 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 15:17:56,793 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 15:17:56,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:17:56,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 15:17:56,793 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_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 798315a8ad0c4d81fda2a5ac7b68944b6ce53b094d274ccbe8c9dc2d6fa510be [2022-12-14 15:17:57,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:17:57,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:17:57,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:17:57,042 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:17:57,042 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:17:57,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/touch-2.i [2022-12-14 15:17:59,567 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:17:59,859 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:17:59,859 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/sv-benchmarks/c/busybox-1.22.0/touch-2.i [2022-12-14 15:17:59,877 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/data/9860658ae/f4716d4b7f164dc8aba64c526006fc9a/FLAGce2a51c30 [2022-12-14 15:18:00,121 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f694f1b-7a57-4a02-a562-c11c5478a9c5/bin/utaipan-gh47qXpMRh/data/9860658ae/f4716d4b7f164dc8aba64c526006fc9a [2022-12-14 15:18:00,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:18:00,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:18:00,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:18:00,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:18:00,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:18:00,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:18:00" (1/1) ... [2022-12-14 15:18:00,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a53fedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:00, skipping insertion in model container [2022-12-14 15:18:00,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:18:00" (1/1) ... [2022-12-14 15:18:00,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:18:00,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:18:01,100 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 15:18:01,101 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 15:18:01,103 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 15:18:01,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1929e1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:18:01, skipping insertion in model container [2022-12-14 15:18:01,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:18:01,104 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 15:18:01,105 INFO L158 Benchmark]: Toolchain (without parser) took 981.15ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 43.1MB in the beginning and 58.4MB in the end (delta: -15.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-12-14 15:18:01,106 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:18:01,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 979.69ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 42.9MB in the beginning and 58.4MB in the end (delta: -15.5MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-12-14 15:18:01,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 979.69ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 42.9MB in the beginning and 58.4MB in the end (delta: -15.5MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2613]: 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