./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/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_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:13:50,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:13:50,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:13:50,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:13:50,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:13:50,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:13:50,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:13:50,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:13:50,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:13:50,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:13:50,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:13:50,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:13:50,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:13:50,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:13:50,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:13:50,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:13:50,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:13:50,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:13:50,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:13:50,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:13:50,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:13:50,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:13:50,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:13:50,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:13:50,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:13:50,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:13:50,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:13:50,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:13:50,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:13:50,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:13:50,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:13:50,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:13:50,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:13:50,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:13:50,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:13:50,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:13:50,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:13:50,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:13:50,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:13:50,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:13:50,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:13:50,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 02:13:50,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:13:50,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:13:50,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:13:50,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:13:50,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:13:50,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:13:50,276 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:13:50,277 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:13:50,277 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:13:50,277 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:13:50,277 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:13:50,278 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:13:50,278 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:13:50,278 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:13:50,278 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:13:50,279 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:13:50,279 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:13:50,279 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:13:50,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:13:50,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:13:50,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:13:50,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:13:50,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:13:50,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:13:50,281 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:13:50,282 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:13:50,282 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:13:50,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:13:50,282 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:13:50,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:13:50,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:13:50,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:13:50,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:13:50,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:13:50,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:13:50,284 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:13:50,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:13:50,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:13:50,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:13:50,285 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 [2021-11-23 02:13:50,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:13:50,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:13:50,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:13:50,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:13:50,614 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:13:50,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-11-23 02:13:50,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data/c7875133a/53506e31c256456eb9728722e90eb65e/FLAG92c606cb9 [2021-11-23 02:13:51,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:13:51,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-11-23 02:13:51,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data/c7875133a/53506e31c256456eb9728722e90eb65e/FLAG92c606cb9 [2021-11-23 02:13:51,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data/c7875133a/53506e31c256456eb9728722e90eb65e [2021-11-23 02:13:51,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:13:51,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:13:51,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:13:51,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:13:51,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:13:51,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:51" (1/1) ... [2021-11-23 02:13:51,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7b9965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:51, skipping insertion in model container [2021-11-23 02:13:51,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:51" (1/1) ... [2021-11-23 02:13:51,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:13:51,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:13:52,831 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 02:13:52,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39ab363d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:52, skipping insertion in model container [2021-11-23 02:13:52,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:13:52,833 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:13:52,835 INFO L158 Benchmark]: Toolchain (without parser) took 1310.11ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 72.1MB in the end (delta: -20.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 02:13:52,836 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory was 62.7MB in the beginning and 62.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:13:52,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1303.80ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.5MB in the beginning and 72.1MB in the end (delta: -20.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 02:13:52,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory was 62.7MB in the beginning and 62.7MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1303.80ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.5MB in the beginning and 72.1MB in the end (delta: -20.6MB). Peak memory consumption was 9.5MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/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_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:13:55,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:13:55,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:13:55,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:13:55,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:13:55,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:13:55,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:13:55,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:13:55,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:13:55,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:13:55,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:13:55,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:13:55,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:13:55,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:13:55,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:13:55,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:13:55,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:13:55,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:13:55,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:13:55,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:13:55,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:13:55,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:13:55,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:13:55,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:13:55,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:13:55,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:13:55,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:13:55,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:13:55,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:13:55,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:13:55,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:13:55,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:13:55,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:13:55,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:13:55,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:13:55,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:13:55,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:13:55,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:13:55,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:13:55,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:13:55,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:13:55,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 02:13:55,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:13:55,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:13:55,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:13:55,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:13:55,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:13:55,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:13:55,350 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:13:55,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:13:55,351 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:13:55,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:13:55,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:13:55,351 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:13:55,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:13:55,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:13:55,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:13:55,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:13:55,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:13:55,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:13:55,354 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:13:55,354 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:13:55,354 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:13:55,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:13:55,355 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:13:55,355 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:13:55,355 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:13:55,356 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:13:55,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:13:55,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:13:55,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:13:55,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:13:55,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:13:55,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:13:55,358 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:13:55,358 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:13:55,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:13:55,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:13:55,359 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_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 [2021-11-23 02:13:55,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:13:55,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:13:55,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:13:55,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:13:55,804 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:13:55,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-11-23 02:13:55,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data/a3f88e1ee/872d411199454b15bb1f6111773c3b31/FLAG9b1784dbb [2021-11-23 02:13:56,683 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:13:56,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-11-23 02:13:56,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data/a3f88e1ee/872d411199454b15bb1f6111773c3b31/FLAG9b1784dbb [2021-11-23 02:13:56,810 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_533b7067-c688-465a-98cf-a92720f3af30/bin/utaipan-EQgc7hIp5V/data/a3f88e1ee/872d411199454b15bb1f6111773c3b31 [2021-11-23 02:13:56,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:13:56,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:13:56,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:13:56,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:13:56,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:13:56,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:56" (1/1) ... [2021-11-23 02:13:56,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1305a762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:56, skipping insertion in model container [2021-11-23 02:13:56,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:56" (1/1) ... [2021-11-23 02:13:56,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:13:56,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:13:58,126 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 02:13:58,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@488e533b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:58, skipping insertion in model container [2021-11-23 02:13:58,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:13:58,128 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:13:58,129 INFO L158 Benchmark]: Toolchain (without parser) took 1314.94ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 36.6MB in the end (delta: 5.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-23 02:13:58,130 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:13:58,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1312.93ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 36.6MB in the end (delta: 5.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-23 02:13:58,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1312.93ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 36.6MB in the end (delta: 5.4MB). Peak memory consumption was 15.4MB. 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