./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur --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 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 --- 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-38b53e6 [2022-11-26 01:06:45,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:06:45,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:06:45,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:06:45,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:06:45,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:06:45,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:06:45,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:06:45,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:06:45,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:06:45,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:06:45,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:06:45,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:06:45,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:06:45,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:06:45,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:06:45,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:06:45,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:06:45,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:06:45,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:06:45,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:06:45,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:06:45,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:06:45,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:06:45,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:06:45,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:06:45,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:06:45,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:06:45,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:06:45,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:06:45,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:06:45,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:06:45,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:06:45,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:06:45,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:06:45,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:06:45,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:06:45,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:06:45,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:06:45,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:06:45,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:06:45,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 01:06:45,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:06:45,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:06:45,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:06:45,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:06:45,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:06:45,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:06:45,425 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:06:45,425 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:06:45,426 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:06:45,426 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:06:45,428 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:06:45,428 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:06:45,428 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:06:45,429 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:06:45,429 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:06:45,429 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:06:45,430 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:06:45,430 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:06:45,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 01:06:45,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 01:06:45,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:06:45,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:06:45,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:06:45,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:06:45,434 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 01:06:45,434 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 01:06:45,434 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 01:06:45,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:06:45,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:06:45,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:06:45,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:06:45,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:06:45,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:45,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:06:45,437 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:06:45,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:06:45,438 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:06:45,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:06:45,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:06:45,439 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_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 [2022-11-26 01:06:45,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:06:45,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:06:45,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:06:45,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:06:45,780 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:06:45,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2022-11-26 01:06:49,174 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:06:49,649 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:06:49,649 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/sv-benchmarks/c/busybox-1.22.0/head-1.i [2022-11-26 01:06:49,705 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/data/8e796594b/56e7efe413b94d87b53aaacc021e4cec/FLAGb759eb4cf [2022-11-26 01:06:49,729 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/data/8e796594b/56e7efe413b94d87b53aaacc021e4cec [2022-11-26 01:06:49,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:06:49,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:06:49,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:49,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:06:49,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:06:49,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:49" (1/1) ... [2022-11-26 01:06:49,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ec120f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:49, skipping insertion in model container [2022-11-26 01:06:49,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:49" (1/1) ... [2022-11-26 01:06:49,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:06:49,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:06:51,372 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 01:06:51,390 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:06:51,397 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:06:51,401 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 01:06:51,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15a90102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:51, skipping insertion in model container [2022-11-26 01:06:51,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:51,403 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:06:51,406 INFO L158 Benchmark]: Toolchain (without parser) took 1667.43ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 93.4MB in the beginning and 141.3MB in the end (delta: -47.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-11-26 01:06:51,407 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 81.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:06:51,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1664.33ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 93.4MB in the beginning and 141.3MB in the end (delta: -47.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-11-26 01:06:51,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 81.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1664.33ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 93.4MB in the beginning and 141.3MB in the end (delta: -47.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur --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 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 --- 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-38b53e6 [2022-11-26 01:06:54,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:06:54,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:06:54,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:06:54,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:06:54,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:06:54,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:06:54,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:06:54,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:06:54,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:06:54,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:06:54,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:06:54,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:06:54,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:06:54,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:06:54,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:06:54,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:06:54,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:06:54,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:06:54,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:06:54,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:06:54,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:06:54,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:06:54,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:06:54,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:06:54,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:06:54,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:06:54,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:06:54,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:06:54,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:06:54,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:06:54,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:06:54,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:06:54,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:06:54,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:06:54,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:06:54,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:06:54,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:06:54,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:06:54,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:06:54,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:06:54,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 01:06:54,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:06:54,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:06:54,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:06:54,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:06:54,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:06:54,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:06:54,456 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:06:54,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:06:54,456 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:06:54,456 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:06:54,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:06:54,457 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:06:54,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 01:06:54,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 01:06:54,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:06:54,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:06:54,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:06:54,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:06:54,460 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 01:06:54,460 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 01:06:54,460 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 01:06:54,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:06:54,461 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:06:54,461 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:06:54,461 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:06:54,461 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:06:54,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:06:54,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:06:54,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:06:54,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:54,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:06:54,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:06:54,463 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:06:54,464 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:06:54,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:06:54,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:06:54,464 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_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 [2022-11-26 01:06:54,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:06:54,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:06:54,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:06:54,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:06:54,998 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:06:55,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2022-11-26 01:06:58,630 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:06:59,265 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:06:59,265 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/sv-benchmarks/c/busybox-1.22.0/head-1.i [2022-11-26 01:06:59,317 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/data/e12c96f99/ab0f722c43054416aff39c0fbae07456/FLAGda9bcb0cf [2022-11-26 01:06:59,348 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20be7a93-0dd1-4676-9cfa-1822768414fc/bin/utaipan-ByfvJB40ur/data/e12c96f99/ab0f722c43054416aff39c0fbae07456 [2022-11-26 01:06:59,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:06:59,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:06:59,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:59,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:06:59,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:06:59,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2647419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:59, skipping insertion in model container [2022-11-26 01:06:59,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:59" (1/1) ... [2022-11-26 01:06:59,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:06:59,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:07:01,178 WARN L623 FunctionHandler]: Unknown extern function _IO_getc [2022-11-26 01:07:01,189 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:07:01,191 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:07:01,195 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 01:07:01,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@574cfa70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:07:01, skipping insertion in model container [2022-11-26 01:07:01,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:07:01,197 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:07:01,200 INFO L158 Benchmark]: Toolchain (without parser) took 1844.99ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.8MB in the beginning and 78.7MB in the end (delta: -21.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-26 01:07:01,201 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 82.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:07:01,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1840.36ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.6MB in the beginning and 78.7MB in the end (delta: -22.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-26 01:07:01,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 82.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1840.36ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.6MB in the beginning and 78.7MB in the end (delta: -22.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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