./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:34:12,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:34:12,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:34:12,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:34:12,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:34:12,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:34:12,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:34:12,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:34:12,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:34:12,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:34:12,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:34:12,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:34:12,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:34:12,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:34:12,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:34:12,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:34:12,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:34:12,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:34:12,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:34:12,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:34:12,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:34:12,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:34:12,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:34:12,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:34:12,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:34:12,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:34:12,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:34:12,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:34:12,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:34:12,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:34:12,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:34:12,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:34:12,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:34:12,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:34:12,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:34:12,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:34:12,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:34:12,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:34:12,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:34:12,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:34:12,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:34:12,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:34:12,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:34:12,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:34:12,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:34:12,173 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:34:12,174 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:34:12,174 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:34:12,174 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:34:12,175 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:34:12,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:34:12,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:34:12,176 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:34:12,176 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:34:12,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:34:12,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:34:12,177 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:34:12,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:34:12,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:34:12,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:34:12,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:34:12,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:34:12,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:34:12,179 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:34:12,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:34:12,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:34:12,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:34:12,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:34:12,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:34:12,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:34:12,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:34:12,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:34:12,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:34:12,183 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:34:12,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:34:12,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:34:12,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:34:12,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:34:12,184 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_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2021-11-03 04:34:12,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:34:12,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:34:12,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:34:12,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:34:12,524 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:34:12,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-03 04:34:12,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data/e9cbb0b27/218158319b174e978e3d37b19de9d590/FLAG4d8d3716f [2021-11-03 04:34:13,498 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:34:13,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-03 04:34:13,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data/e9cbb0b27/218158319b174e978e3d37b19de9d590/FLAG4d8d3716f [2021-11-03 04:34:13,965 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data/e9cbb0b27/218158319b174e978e3d37b19de9d590 [2021-11-03 04:34:13,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:34:13,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:34:13,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:34:13,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:34:13,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:34:13,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:34:13" (1/1) ... [2021-11-03 04:34:13,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4681989a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:13, skipping insertion in model container [2021-11-03 04:34:13,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:34:13" (1/1) ... [2021-11-03 04:34:13,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:34:14,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:34:14,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-03 04:34:14,515 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-03 04:34:14,545 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:34:14,551 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:34:15,869 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:15,871 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:15,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:15,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:15,874 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:15,892 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:15,894 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:15,898 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:15,899 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:16,403 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:34:16,405 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:34:16,406 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:34:16,408 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:34:16,410 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:34:16,411 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:34:16,412 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:34:16,413 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:34:16,414 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:34:16,415 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:34:16,675 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:34:16,694 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1369) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2938) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2101) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:34:16,700 INFO L168 Benchmark]: Toolchain (without parser) took 2728.79 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 69.7 MB in the beginning and 88.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:16,700 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:34:16,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2726.34 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 69.7 MB in the beginning and 88.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:34:16,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2726.34 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 69.7 MB in the beginning and 88.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) 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_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:34:19,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:34:19,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:34:19,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:34:19,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:34:19,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:34:19,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:34:19,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:34:19,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:34:19,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:34:19,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:34:19,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:34:19,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:34:19,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:34:19,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:34:19,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:34:19,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:34:19,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:34:19,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:34:19,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:34:19,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:34:19,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:34:19,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:34:19,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:34:19,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:34:19,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:34:19,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:34:19,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:34:19,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:34:19,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:34:19,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:34:19,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:34:19,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:34:19,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:34:19,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:34:19,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:34:19,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:34:19,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:34:19,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:34:19,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:34:19,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:34:19,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:34:19,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:34:19,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:34:19,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:34:19,316 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:34:19,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:34:19,317 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:34:19,317 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:34:19,318 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:34:19,318 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:34:19,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:34:19,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:34:19,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:34:19,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:34:19,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:34:19,322 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:34:19,323 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:34:19,323 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:34:19,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:34:19,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:34:19,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:34:19,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:34:19,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:34:19,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:34:19,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:34:19,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:34:19,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:34:19,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:34:19,326 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:34:19,326 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:34:19,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:34:19,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:34:19,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:34:19,328 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_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2021-11-03 04:34:19,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:34:19,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:34:19,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:34:19,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:34:19,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:34:19,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-03 04:34:19,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data/1ff0cc277/411d7e10ab8144b882590a1c747bae25/FLAG9bef5a013 [2021-11-03 04:34:20,781 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:34:20,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-03 04:34:20,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data/1ff0cc277/411d7e10ab8144b882590a1c747bae25/FLAG9bef5a013 [2021-11-03 04:34:21,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/data/1ff0cc277/411d7e10ab8144b882590a1c747bae25 [2021-11-03 04:34:21,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:34:21,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:34:21,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:34:21,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:34:21,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:34:21,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:34:21" (1/1) ... [2021-11-03 04:34:21,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177c76dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:21, skipping insertion in model container [2021-11-03 04:34:21,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:34:21" (1/1) ... [2021-11-03 04:34:21,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:34:21,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:34:21,738 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-03 04:34:21,766 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-03 04:34:21,792 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:34:21,809 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:34:22,897 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:22,898 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:22,898 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:22,899 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:22,900 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:22,921 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:22,928 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:22,930 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:22,930 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:23,400 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:34:23,402 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:34:23,403 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:34:23,405 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:34:23,407 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:34:23,408 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:34:23,409 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:34:23,410 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:34:23,410 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:34:23,411 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:34:23,611 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:34:23,705 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:23,706 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:23,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:34:23,873 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:34:23,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:34:23,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-03 04:34:23,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-03 04:34:23,940 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:34:23,941 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:34:24,009 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,011 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,011 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,012 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,013 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,152 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:34:24,153 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:34:24,153 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:34:24,157 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:34:24,158 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:34:24,159 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:34:24,160 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:34:24,161 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:34:24,161 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:34:24,162 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:34:24,207 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:34:24,300 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,301 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:34:24,419 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:34:24,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-03 04:34:24,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-03 04:34:24,448 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:34:24,449 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:34:24,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,491 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,497 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,498 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,526 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:34:24,527 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:34:24,528 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:34:24,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:34:24,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:34:24,530 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:34:24,531 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:34:24,531 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:34:24,532 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:34:24,533 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:34:24,572 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:34:24,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:34:24,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:34:24,985 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:34:24,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24 WrapperNode [2021-11-03 04:34:24,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:34:24,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:34:24,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:34:24,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:34:24,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:34:25,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:34:25,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:34:25,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:34:25,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:34:25,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:34:25,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:34:25,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:34:25,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (1/1) ... [2021-11-03 04:34:25,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:34:25,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:34:25,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:34:25,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:34:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure ntohs [2021-11-03 04:34:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:34:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:34:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:34:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:34:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-03 04:34:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:34:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:34:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 04:34:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 04:34:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 04:34:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 04:34:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:34:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:34:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:34:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:34:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 04:34:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 04:34:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 04:34:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:34:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:34:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:34:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:34:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 04:34:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:34:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-03 04:34:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-03 04:34:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-03 04:34:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 04:34:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 04:34:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 04:34:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 04:34:48,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:34:48,495 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-11-03 04:34:48,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:34:48 BoogieIcfgContainer [2021-11-03 04:34:48,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:34:48,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:34:48,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:34:48,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:34:48,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:34:21" (1/3) ... [2021-11-03 04:34:48,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8cfaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:34:48, skipping insertion in model container [2021-11-03 04:34:48,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:34:24" (2/3) ... [2021-11-03 04:34:48,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8cfaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:34:48, skipping insertion in model container [2021-11-03 04:34:48,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:34:48" (3/3) ... [2021-11-03 04:34:48,507 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2021-11-03 04:34:48,513 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:34:48,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-03 04:34:48,579 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:34:48,585 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:34:48,585 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-03 04:34:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 238 states, 223 states have (on average 1.4798206278026906) internal successors, (330), 237 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:34:48,625 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:34:48,626 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:34:48,628 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:34:48,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:34:48,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1601055385, now seen corresponding path program 1 times [2021-11-03 04:34:48,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:34:48,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883311668] [2021-11-03 04:34:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:34:48,659 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:34:48,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:34:48,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:34:48,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:34:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:34:53,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:34:53,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:34:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:53,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:34:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:53,774 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:34:53,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883311668] [2021-11-03 04:34:53,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883311668] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:34:53,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:34:53,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:34:53,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484539626] [2021-11-03 04:34:53,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:34:53,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:34:53,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:34:53,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:34:53,801 INFO L87 Difference]: Start difference. First operand has 238 states, 223 states have (on average 1.4798206278026906) internal successors, (330), 237 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:53,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:34:53,843 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-11-03 04:34:53,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:34:53,845 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 04:34:53,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:34:53,857 INFO L225 Difference]: With dead ends: 471 [2021-11-03 04:34:53,858 INFO L226 Difference]: Without dead ends: 233 [2021-11-03 04:34:53,862 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:34:53,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-03 04:34:53,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-03 04:34:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 219 states have (on average 1.360730593607306) internal successors, (298), 232 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 298 transitions. [2021-11-03 04:34:53,915 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 298 transitions. Word has length 54 [2021-11-03 04:34:53,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:34:53,922 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 298 transitions. [2021-11-03 04:34:53,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 298 transitions. [2021-11-03 04:34:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:34:53,925 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:34:53,925 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:34:53,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:34:54,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:34:54,126 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:34:54,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:34:54,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1113430879, now seen corresponding path program 1 times [2021-11-03 04:34:54,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:34:54,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242364967] [2021-11-03 04:34:54,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:34:54,144 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:34:54,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:34:54,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:34:54,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:34:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:34:58,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:34:58,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:34:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:59,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:34:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:59,587 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:34:59,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242364967] [2021-11-03 04:34:59,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242364967] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:34:59,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:34:59,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:34:59,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881846799] [2021-11-03 04:34:59,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:34:59,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:34:59,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:34:59,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:34:59,591 INFO L87 Difference]: Start difference. First operand 233 states and 298 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:00,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:35:00,110 INFO L93 Difference]: Finished difference Result 441 states and 564 transitions. [2021-11-03 04:35:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:35:00,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 04:35:00,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:35:00,117 INFO L225 Difference]: With dead ends: 441 [2021-11-03 04:35:00,117 INFO L226 Difference]: Without dead ends: 233 [2021-11-03 04:35:00,119 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:35:00,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-03 04:35:00,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-03 04:35:00,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 219 states have (on average 1.3470319634703196) internal successors, (295), 232 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:00,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 295 transitions. [2021-11-03 04:35:00,160 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 295 transitions. Word has length 54 [2021-11-03 04:35:00,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:35:00,161 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 295 transitions. [2021-11-03 04:35:00,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 295 transitions. [2021-11-03 04:35:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-03 04:35:00,166 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:35:00,166 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:35:00,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:35:00,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:35:00,375 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 04:35:00,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:35:00,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1476329313, now seen corresponding path program 1 times [2021-11-03 04:35:00,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:35:00,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446554313] [2021-11-03 04:35:00,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:35:00,386 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:35:00,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:35:00,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:35:00,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93113cfe-1794-4a8a-a7e5-73bf114a5688/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:35:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:35:05,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1870 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 04:35:05,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:35:05,801 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:05,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 158 treesize of output 62 [2021-11-03 04:35:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:35:06,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:35:23,585 WARN L207 SmtUtils]: Spent 16.80 s on a formula simplification. DAG size of input: 523 DAG size of output: 269 [2021-11-03 04:35:23,627 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-03 04:35:23,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 129 treesize of output 772