./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.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_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/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_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/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_4412be58-ab28-4c6b-9093-30bebd04becc/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 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:41:59,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:41:59,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:41:59,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:41:59,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:41:59,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:41:59,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:41:59,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:41:59,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:41:59,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:41:59,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:41:59,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:41:59,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:41:59,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:41:59,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:41:59,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:41:59,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:41:59,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:41:59,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:41:59,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:41:59,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:41:59,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:41:59,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:41:59,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:41:59,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:41:59,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:41:59,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:41:59,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:41:59,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:41:59,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:41:59,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:41:59,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:41:59,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:41:59,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:41:59,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:41:59,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:41:59,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:41:59,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:41:59,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:41:59,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:41:59,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:41:59,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 02:41:59,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:41:59,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:41:59,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:41:59,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:41:59,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:41:59,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:41:59,562 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:41:59,563 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:41:59,563 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:41:59,563 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:41:59,564 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:41:59,565 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:41:59,565 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:41:59,565 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:41:59,565 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:41:59,565 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:41:59,566 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:41:59,566 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:41:59,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:41:59,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:41:59,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:41:59,567 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:41:59,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:41:59,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:41:59,570 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:41:59,570 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:41:59,570 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:41:59,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:41:59,571 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:41:59,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:41:59,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:41:59,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:41:59,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:41:59,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:41:59,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:41:59,573 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:41:59,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:41:59,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:41:59,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:41:59,574 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_4412be58-ab28-4c6b-9093-30bebd04becc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-23 02:41:59,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:41:59,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:41:59,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:41:59,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:41:59,875 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:41:59,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 02:41:59,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data/5a0540ed5/9717994f277847098a733f9843e4f60b/FLAG91e48a577 [2021-11-23 02:42:00,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:42:00,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 02:42:00,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data/5a0540ed5/9717994f277847098a733f9843e4f60b/FLAG91e48a577 [2021-11-23 02:42:01,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data/5a0540ed5/9717994f277847098a733f9843e4f60b [2021-11-23 02:42:01,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:42:01,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:42:01,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:42:01,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:42:01,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:42:01,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:01" (1/1) ... [2021-11-23 02:42:01,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c25ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:01, skipping insertion in model container [2021-11-23 02:42:01,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:01" (1/1) ... [2021-11-23 02:42:01,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:42:01,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:42:02,816 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 02:42:02,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9044320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:02, skipping insertion in model container [2021-11-23 02:42:02,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:42:02,817 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:42:02,819 INFO L158 Benchmark]: Toolchain (without parser) took 1501.90ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 44.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 02:42:02,820 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 79.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:42:02,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1499.75ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 44.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 02:42:02,823 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 88.1MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 79.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1499.75ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 44.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/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_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/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_4412be58-ab28-4c6b-9093-30bebd04becc/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 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:42:05,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:42:05,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:42:05,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:42:05,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:42:05,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:42:05,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:42:05,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:42:05,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:42:05,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:42:05,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:42:05,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:42:05,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:42:05,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:42:05,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:42:05,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:42:05,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:42:05,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:42:05,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:42:05,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:42:05,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:42:05,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:42:05,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:42:05,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:42:05,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:42:05,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:42:05,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:42:05,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:42:05,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:42:05,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:42:05,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:42:05,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:42:05,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:42:05,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:42:05,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:42:05,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:42:05,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:42:05,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:42:05,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:42:05,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:42:05,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:42:05,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 02:42:05,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:42:05,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:42:05,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:42:05,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:42:05,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:42:05,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:42:05,341 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:42:05,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:42:05,341 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:42:05,341 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:42:05,342 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:42:05,343 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:42:05,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:42:05,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:42:05,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:42:05,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:42:05,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:42:05,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:42:05,346 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 02:42:05,346 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 02:42:05,346 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 02:42:05,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:42:05,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:42:05,347 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:42:05,347 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:42:05,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:42:05,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:42:05,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:42:05,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:42:05,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:42:05,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:42:05,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:42:05,349 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:42:05,349 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:42:05,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:42:05,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:42:05,350 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_4412be58-ab28-4c6b-9093-30bebd04becc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-23 02:42:05,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:42:05,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:42:05,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:42:05,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:42:05,752 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:42:05,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 02:42:05,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data/1b1a65c6d/81b90d690b51406a88ffb52354b31d96/FLAGa0285936b [2021-11-23 02:42:06,619 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:42:06,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 02:42:06,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data/1b1a65c6d/81b90d690b51406a88ffb52354b31d96/FLAGa0285936b [2021-11-23 02:42:06,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412be58-ab28-4c6b-9093-30bebd04becc/bin/utaipan-EQgc7hIp5V/data/1b1a65c6d/81b90d690b51406a88ffb52354b31d96 [2021-11-23 02:42:06,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:42:06,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:42:06,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:42:06,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:42:06,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:42:06,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:06" (1/1) ... [2021-11-23 02:42:06,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51364c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:06, skipping insertion in model container [2021-11-23 02:42:06,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:06" (1/1) ... [2021-11-23 02:42:06,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:42:06,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:42:08,204 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 02:42:08,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6188268c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:08, skipping insertion in model container [2021-11-23 02:42:08,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:42:08,205 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:42:08,208 INFO L158 Benchmark]: Toolchain (without parser) took 1454.12ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 36.3MB in the beginning and 39.6MB in the end (delta: -3.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 02:42:08,208 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:42:08,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1450.87ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 39.6MB in the end (delta: -3.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 02:42:08,212 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 54.5MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1450.87ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 39.6MB in the end (delta: -3.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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