./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/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 b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:53:27,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:53:27,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:53:27,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:53:27,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:53:27,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:53:27,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:53:27,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:53:27,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:53:27,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:53:27,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:53:27,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:53:27,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:53:27,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:53:27,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:53:27,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:53:27,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:53:27,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:53:27,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:53:27,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:53:27,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:53:27,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:53:27,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:53:27,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:53:27,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:53:27,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:53:27,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:53:27,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:53:27,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:53:27,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:53:27,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:53:27,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:53:27,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:53:27,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:53:27,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:53:27,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:53:27,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:53:27,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:53:27,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:53:27,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:53:27,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:53:27,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:53:27,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:53:27,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:53:27,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:53:27,545 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:53:27,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:53:27,546 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:53:27,546 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:53:27,546 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:53:27,552 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:53:27,553 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:53:27,554 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:53:27,554 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:53:27,555 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:53:27,555 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:53:27,555 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:53:27,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:53:27,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:53:27,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:53:27,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:53:27,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:53:27,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:53:27,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:53:27,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:53:27,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:53:27,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:53:27,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:53:27,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:53:27,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:53:27,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:53:27,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:53:27,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:53:27,562 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:53:27,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:53:27,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:53:27,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:53:27,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:53:27,564 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a [2021-11-03 03:53:27,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:53:27,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:53:27,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:53:27,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:53:27,826 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:53:27,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2021-11-03 03:53:27,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data/ade8d646f/956a004fb284473caddbd61cd37eb3e5/FLAGa3df3b4b4 [2021-11-03 03:53:28,693 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:53:28,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2021-11-03 03:53:28,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data/ade8d646f/956a004fb284473caddbd61cd37eb3e5/FLAGa3df3b4b4 [2021-11-03 03:53:29,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data/ade8d646f/956a004fb284473caddbd61cd37eb3e5 [2021-11-03 03:53:29,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:53:29,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:53:29,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:53:29,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:53:29,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:53:29,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:53:29" (1/1) ... [2021-11-03 03:53:29,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f18c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:29, skipping insertion in model container [2021-11-03 03:53:29,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:53:29" (1/1) ... [2021-11-03 03:53:29,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:53:29,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:53:29,754 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4500,4513] [2021-11-03 03:53:29,763 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4560,4573] [2021-11-03 03:53:29,797 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:53:29,811 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:53:30,954 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:30,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:30,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:30,956 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:30,956 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:30,968 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:30,968 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:30,970 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:30,971 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:31,334 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:53:31,336 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:53:31,337 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:53:31,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:53:31,340 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:53:31,341 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:53:31,342 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:53:31,342 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:53:31,343 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:53:31,344 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:53:31,516 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:53:31,532 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:53:31,537 INFO L168 Benchmark]: Toolchain (without parser) took 2280.64 ms. Allocated memory is still 123.7 MB. Free memory was 80.9 MB in the beginning and 63.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:53:31,538 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:53:31,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2276.63 ms. Allocated memory is still 123.7 MB. Free memory was 80.7 MB in the beginning and 63.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:53:31,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2276.63 ms. Allocated memory is still 123.7 MB. Free memory was 80.7 MB in the beginning and 63.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 19.2 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/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 b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:53:33,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:53:33,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:53:33,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:53:33,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:53:33,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:53:33,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:53:33,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:53:33,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:53:33,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:53:33,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:53:33,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:53:33,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:53:33,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:53:33,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:53:33,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:53:33,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:53:33,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:53:33,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:53:33,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:53:33,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:53:33,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:53:33,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:53:33,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:53:33,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:53:33,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:53:33,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:53:33,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:53:33,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:53:33,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:53:33,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:53:33,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:53:33,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:53:33,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:53:33,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:53:33,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:53:33,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:53:33,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:53:33,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:53:33,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:53:33,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:53:33,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:53:34,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:53:34,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:53:34,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:53:34,002 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:53:34,002 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:53:34,002 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:53:34,002 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:53:34,003 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:53:34,003 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:53:34,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:53:34,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:53:34,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:53:34,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:53:34,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:53:34,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:53:34,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:53:34,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:53:34,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:53:34,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:53:34,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:53:34,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:53:34,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:53:34,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:53:34,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:53:34,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:53:34,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:53:34,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:53:34,008 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:53:34,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:53:34,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:53:34,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:53:34,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:53:34,009 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a [2021-11-03 03:53:34,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:53:34,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:53:34,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:53:34,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:53:34,391 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:53:34,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2021-11-03 03:53:34,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data/023f4ac64/e8bf203c6d8b435d89117882b067cadb/FLAG610e50099 [2021-11-03 03:53:35,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:53:35,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2021-11-03 03:53:35,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data/023f4ac64/e8bf203c6d8b435d89117882b067cadb/FLAG610e50099 [2021-11-03 03:53:35,904 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/data/023f4ac64/e8bf203c6d8b435d89117882b067cadb [2021-11-03 03:53:35,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:53:35,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:53:35,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:53:35,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:53:35,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:53:35,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:53:35" (1/1) ... [2021-11-03 03:53:35,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f35ac63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:35, skipping insertion in model container [2021-11-03 03:53:35,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:53:35" (1/1) ... [2021-11-03 03:53:35,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:53:36,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:53:36,346 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4500,4513] [2021-11-03 03:53:36,375 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4560,4573] [2021-11-03 03:53:36,399 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:53:36,403 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:53:37,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,345 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,346 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,348 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,350 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,377 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,378 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,380 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,381 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:37,745 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:53:37,746 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:53:37,747 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:53:37,748 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:53:37,750 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:53:37,751 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:53:37,752 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:53:37,752 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:53:37,753 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:53:37,754 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:53:37,934 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:53:38,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,037 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:53:38,201 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:53:38,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:53:38,300 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4500,4513] [2021-11-03 03:53:38,301 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4560,4573] [2021-11-03 03:53:38,302 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:53:38,304 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:53:38,368 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,368 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,369 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,370 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,371 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,419 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,421 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,423 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,427 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,490 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:53:38,491 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:53:38,492 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:53:38,493 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:53:38,494 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:53:38,495 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:53:38,496 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:53:38,497 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:53:38,497 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:53:38,498 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:53:38,540 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:53:38,635 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,636 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:53:38,757 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:53:38,782 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4500,4513] [2021-11-03 03:53:38,783 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_fe3b872f-2b7e-49a6-8cd5-f488ff210392/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i[4560,4573] [2021-11-03 03:53:38,784 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:53:38,785 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:53:38,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,840 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,841 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:38,876 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:53:38,877 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:53:38,877 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:53:38,881 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:53:38,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:53:38,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:53:38,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:53:38,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:53:38,884 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:53:38,884 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:53:38,912 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:53:39,010 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:39,010 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:39,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:53:39,456 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:53:39,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39 WrapperNode [2021-11-03 03:53:39,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:53:39,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:53:39,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:53:39,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:53:39,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:53:39,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:53:39,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:53:39,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:53:39,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:53:39,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:53:39,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:53:39,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:53:39,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (1/1) ... [2021-11-03 03:53:39,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:53:39,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:53:39,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:53:39,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:53:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:53:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:53:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:53:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:53:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:53:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:53:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:53:39,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:53:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:53:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:53:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:53:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:53:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:53:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:53:53,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:53:53,913 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-11-03 03:53:53,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:53:53 BoogieIcfgContainer [2021-11-03 03:53:53,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:53:53,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:53:53,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:53:53,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:53:53,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:53:35" (1/3) ... [2021-11-03 03:53:53,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eef017f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:53:53, skipping insertion in model container [2021-11-03 03:53:53,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:39" (2/3) ... [2021-11-03 03:53:53,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eef017f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:53:53, skipping insertion in model container [2021-11-03 03:53:53,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:53:53" (3/3) ... [2021-11-03 03:53:53,924 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_c_str_harness.i [2021-11-03 03:53:53,929 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:53:53,930 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-03 03:53:53,979 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:53:53,984 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 03:53:53,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-03 03:53:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 72 states have internal predecessors, (96), 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 03:53:54,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 03:53:54,004 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:54,005 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:53:54,005 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:53:54,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:54,011 INFO L85 PathProgramCache]: Analyzing trace with hash 752367981, now seen corresponding path program 1 times [2021-11-03 03:53:54,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:53:54,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184790555] [2021-11-03 03:53:54,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:54,032 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:53:54,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:53:54,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:53:54,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:53:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:53:58,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1690 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 03:53:58,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:53:58,365 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 03:53:58,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:53:58,472 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 03:53:58,473 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:53:58,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184790555] [2021-11-03 03:53:58,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184790555] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:53:58,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:53:58,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:53:58,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434454617] [2021-11-03 03:53:58,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:53:58,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:53:58,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:53:58,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:53:58,504 INFO L87 Difference]: Start difference. First operand has 73 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 72 states have internal predecessors, (96), 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 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 03:53:58,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:53:58,629 INFO L93 Difference]: Finished difference Result 143 states and 188 transitions. [2021-11-03 03:53:58,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:53:58,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-03 03:53:58,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:53:58,643 INFO L225 Difference]: With dead ends: 143 [2021-11-03 03:53:58,643 INFO L226 Difference]: Without dead ends: 68 [2021-11-03 03:53:58,647 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:53:58,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-03 03:53:58,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2021-11-03 03:53:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 61 states have (on average 1.278688524590164) internal successors, (78), 66 states have internal predecessors, (78), 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 03:53:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2021-11-03 03:53:58,695 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 78 transitions. Word has length 12 [2021-11-03 03:53:58,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:53:58,696 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 78 transitions. [2021-11-03 03:53:58,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 03:53:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2021-11-03 03:53:58,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 03:53:58,697 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:53:58,698 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:53:58,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:53:58,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:53:58,921 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:53:58,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:53:58,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1767591953, now seen corresponding path program 1 times [2021-11-03 03:53:58,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:53:58,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814961285] [2021-11-03 03:53:58,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:53:58,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:53:58,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:53:58,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:53:58,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:54:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:02,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:54:02,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:03,094 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 03:54:03,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:03,153 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 03:54:03,154 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:03,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814961285] [2021-11-03 03:54:03,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814961285] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:03,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:03,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:54:03,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615308335] [2021-11-03 03:54:03,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:54:03,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:03,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:54:03,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:54:03,157 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 03:54:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:03,295 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2021-11-03 03:54:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:54:03,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-03 03:54:03,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:03,298 INFO L225 Difference]: With dead ends: 107 [2021-11-03 03:54:03,298 INFO L226 Difference]: Without dead ends: 67 [2021-11-03 03:54:03,299 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 03:54:03,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-03 03:54:03,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-11-03 03:54:03,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 66 states have internal predecessors, (77), 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 03:54:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2021-11-03 03:54:03,307 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 12 [2021-11-03 03:54:03,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:03,307 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2021-11-03 03:54:03,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 03:54:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2021-11-03 03:54:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 03:54:03,309 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:03,309 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:03,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:03,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:03,527 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:03,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:03,528 INFO L85 PathProgramCache]: Analyzing trace with hash 459939146, now seen corresponding path program 1 times [2021-11-03 03:54:03,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:03,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777763060] [2021-11-03 03:54:03,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:03,533 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:03,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:03,535 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:03,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:54:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:07,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 03:54:07,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:07,733 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 03:54:07,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:07,887 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 03:54:07,888 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:07,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777763060] [2021-11-03 03:54:07,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777763060] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:07,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:07,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-03 03:54:07,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485969006] [2021-11-03 03:54:07,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:54:07,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:07,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:54:07,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:54:07,890 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 03:54:08,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:08,501 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2021-11-03 03:54:08,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 03:54:08,501 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 14 [2021-11-03 03:54:08,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:08,503 INFO L225 Difference]: With dead ends: 114 [2021-11-03 03:54:08,503 INFO L226 Difference]: Without dead ends: 110 [2021-11-03 03:54:08,504 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-11-03 03:54:08,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-11-03 03:54:08,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 75. [2021-11-03 03:54:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 74 states have internal predecessors, (85), 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 03:54:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2021-11-03 03:54:08,513 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 14 [2021-11-03 03:54:08,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:08,513 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2021-11-03 03:54:08,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 03:54:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-03 03:54:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 03:54:08,515 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:08,515 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:08,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:08,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:08,734 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:08,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:08,734 INFO L85 PathProgramCache]: Analyzing trace with hash 77475522, now seen corresponding path program 1 times [2021-11-03 03:54:08,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:08,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765629810] [2021-11-03 03:54:08,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:08,742 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:08,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:08,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:08,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3b872f-2b7e-49a6-8cd5-f488ff210392/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:54:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:51,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 03:54:51,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:51,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:54:51,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:54:51,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:54:51,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:54:51,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:54:51,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:54:51,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:54:51,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:54:51,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 87 [2021-11-03 03:54:52,014 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:54:52,015 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 178 treesize of output 82 [2021-11-03 03:54:52,090 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 03:54:52,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:52,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 437 treesize of output 423