./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/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_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG --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 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/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_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG --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 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:50:21,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:50:21,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:50:21,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:50:21,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:50:21,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:50:21,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:50:21,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:50:21,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:50:21,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:50:21,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:50:21,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:50:21,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:50:21,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:50:21,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:50:21,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:50:21,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:50:21,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:50:21,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:50:21,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:50:21,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:50:21,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:50:21,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:50:21,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:50:21,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:50:21,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:50:21,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:50:21,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:50:21,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:50:21,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:50:21,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:50:21,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:50:21,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:50:21,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:50:21,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:50:21,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:50:21,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:50:21,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:50:21,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:50:21,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:50:21,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:50:21,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-29 04:50:21,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:50:21,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:50:21,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:50:21,639 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:50:21,639 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:50:21,639 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:50:21,639 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:50:21,640 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:50:21,640 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:50:21,640 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:50:21,640 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:50:21,640 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:50:21,641 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:50:21,641 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:50:21,641 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:50:21,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:50:21,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:50:21,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:50:21,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:50:21,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:50:21,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:50:21,644 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:50:21,644 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:50:21,644 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:50:21,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:50:21,645 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:50:21,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:50:21,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:50:21,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:50:21,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:50:21,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:50:21,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:50:21,646 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:50:21,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:50:21,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:50:21,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:50:21,647 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_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 [2021-10-29 04:50:21,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:50:21,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:50:21,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:50:21,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:50:21,979 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:50:21,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-10-29 04:50:22,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data/592355b77/d69fecc1918c46929d139e872c6b52d2/FLAG7a84cbf5a [2021-10-29 04:50:22,916 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:50:22,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-10-29 04:50:22,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data/592355b77/d69fecc1918c46929d139e872c6b52d2/FLAG7a84cbf5a [2021-10-29 04:50:22,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data/592355b77/d69fecc1918c46929d139e872c6b52d2 [2021-10-29 04:50:22,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:50:22,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:50:22,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:50:22,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:50:22,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:50:22,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:50:22" (1/1) ... [2021-10-29 04:50:22,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af24db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:22, skipping insertion in model container [2021-10-29 04:50:22,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:50:22" (1/1) ... [2021-10-29 04:50:23,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:50:23,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:50:24,520 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-29 04:50:24,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4554933c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:24, skipping insertion in model container [2021-10-29 04:50:24,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:50:24,522 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:50:24,524 INFO L168 Benchmark]: Toolchain (without parser) took 1534.85 ms. Allocated memory is still 109.1 MB. Free memory was 85.6 MB in the beginning and 73.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:50:24,526 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 86.0 MB. Free memory was 56.2 MB in the beginning and 56.2 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:50:24,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1531.90 ms. Allocated memory is still 109.1 MB. Free memory was 85.6 MB in the beginning and 73.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:50:24,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 86.0 MB. Free memory was 56.2 MB in the beginning and 56.2 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1531.90 ms. Allocated memory is still 109.1 MB. Free memory was 85.6 MB in the beginning and 73.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:50:27,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:50:27,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:50:27,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:50:27,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:50:27,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:50:27,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:50:27,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:50:27,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:50:27,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:50:27,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:50:27,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:50:27,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:50:27,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:50:27,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:50:27,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:50:27,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:50:27,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:50:27,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:50:27,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:50:27,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:50:27,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:50:27,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:50:27,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:50:27,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:50:27,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:50:27,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:50:27,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:50:27,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:50:27,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:50:27,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:50:27,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:50:27,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:50:27,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:50:27,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:50:27,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:50:27,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:50:27,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:50:27,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:50:27,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:50:27,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:50:27,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-29 04:50:27,267 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:50:27,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:50:27,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:50:27,269 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:50:27,269 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:50:27,269 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:50:27,269 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:50:27,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:50:27,270 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:50:27,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:50:27,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:50:27,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:50:27,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:50:27,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:50:27,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:50:27,273 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:50:27,273 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:50:27,273 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:50:27,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:50:27,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:50:27,274 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:50:27,274 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:50:27,274 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:50:27,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:50:27,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 04:50:27,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:50:27,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:50:27,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:50:27,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:50:27,276 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:50:27,276 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:50:27,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:50:27,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:50:27,277 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_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 [2021-10-29 04:50:27,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:50:27,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:50:27,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:50:27,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:50:27,656 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:50:27,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-10-29 04:50:27,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data/d03018c61/a58962ca407b49d4972264921f685d71/FLAG16475305d [2021-10-29 04:50:28,552 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:50:28,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-10-29 04:50:28,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data/d03018c61/a58962ca407b49d4972264921f685d71/FLAG16475305d [2021-10-29 04:50:28,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d119641c-3161-429a-b03e-48d7276ac623/bin/utaipan-SDwSMHVbGG/data/d03018c61/a58962ca407b49d4972264921f685d71 [2021-10-29 04:50:28,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:50:28,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:50:28,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:50:28,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:50:28,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:50:28,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:50:28" (1/1) ... [2021-10-29 04:50:28,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1068e561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:28, skipping insertion in model container [2021-10-29 04:50:28,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:50:28" (1/1) ... [2021-10-29 04:50:28,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:50:28,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:50:29,876 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-29 04:50:29,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e5d0a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:29, skipping insertion in model container [2021-10-29 04:50:29,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:50:29,877 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 04:50:29,880 INFO L168 Benchmark]: Toolchain (without parser) took 1233.74 ms. Allocated memory is still 92.3 MB. Free memory was 52.0 MB in the beginning and 63.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:50:29,880 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 73.4 MB in the beginning and 73.4 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:50:29,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1230.31 ms. Allocated memory is still 92.3 MB. Free memory was 51.8 MB in the beginning and 63.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:50:29,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 73.4 MB in the beginning and 73.4 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1230.31 ms. Allocated memory is still 92.3 MB. Free memory was 51.8 MB in the beginning and 63.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * 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...