./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_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_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/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_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/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_98bbabd7-a37a-476e-9e53-298ba160a2c2/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 376fa3967c5a16dbeae94f1517cf176a2f53d2660c6b5c3d2eeb4fd9f827337c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:56:08,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:56:08,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:56:08,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:56:08,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:56:08,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:56:08,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:56:08,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:56:08,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:56:08,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:56:08,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:56:08,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:56:08,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:56:08,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:56:08,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:56:08,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:56:08,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:56:08,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:56:08,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:56:08,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:56:08,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:56:08,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:56:08,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:56:08,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:56:08,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:56:08,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:56:08,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:56:08,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:56:08,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:56:08,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:56:08,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:56:08,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:56:08,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:56:08,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:56:08,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:56:08,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:56:08,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:56:08,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:56:08,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:56:08,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:56:08,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:56:08,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:56:08,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:56:08,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:56:08,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:56:08,528 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:56:08,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:56:08,528 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:56:08,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:56:08,529 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:56:08,529 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:56:08,529 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:56:08,529 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:56:08,530 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:56:08,530 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:56:08,530 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:56:08,530 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:56:08,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:56:08,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:56:08,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:56:08,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:56:08,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:56:08,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:56:08,532 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:56:08,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:56:08,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:56:08,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:56:08,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:56:08,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:56:08,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:56:08,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:56:08,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:56:08,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:56:08,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:56:08,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:56:08,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:56:08,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:56:08,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:56:08,536 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376fa3967c5a16dbeae94f1517cf176a2f53d2660c6b5c3d2eeb4fd9f827337c [2021-11-03 04:56:08,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:56:08,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:56:08,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:56:08,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:56:08,795 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:56:08,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2021-11-03 04:56:08,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data/c4e2c89d8/c99d9086c5554287bec75d59860230df/FLAG047acb461 [2021-11-03 04:56:09,748 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:56:09,749 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2021-11-03 04:56:09,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data/c4e2c89d8/c99d9086c5554287bec75d59860230df/FLAG047acb461 [2021-11-03 04:56:09,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data/c4e2c89d8/c99d9086c5554287bec75d59860230df [2021-11-03 04:56:09,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:56:09,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:56:09,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:56:09,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:56:09,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:56:09,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:56:09" (1/1) ... [2021-11-03 04:56:09,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eabcfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:09, skipping insertion in model container [2021-11-03 04:56:09,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:56:09" (1/1) ... [2021-11-03 04:56:09,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:56:09,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:56:10,228 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4492,4505] [2021-11-03 04:56:10,235 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4552,4565] [2021-11-03 04:56:10,257 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:56:10,262 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:56:11,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,168 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,168 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,169 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,181 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,182 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,183 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,184 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:11,602 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:56:11,603 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:56:11,604 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:56:11,605 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:56:11,607 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:56:11,607 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:56:11,608 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:56:11,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:56:11,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:56:11,610 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:56:11,777 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:56:11,792 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:56:11,798 INFO L168 Benchmark]: Toolchain (without parser) took 1962.22 ms. Allocated memory is still 134.2 MB. Free memory was 98.6 MB in the beginning and 73.4 MB in the end (delta: 25.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:11,798 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 134.2 MB. Free memory is still 88.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:56:11,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1959.52 ms. Allocated memory is still 134.2 MB. Free memory was 98.3 MB in the beginning and 73.4 MB in the end (delta: 24.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:11,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 134.2 MB. Free memory is still 88.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1959.52 ms. Allocated memory is still 134.2 MB. Free memory was 98.3 MB in the beginning and 73.4 MB in the end (delta: 24.9 MB). Peak memory consumption was 23.1 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/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_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/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_98bbabd7-a37a-476e-9e53-298ba160a2c2/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 376fa3967c5a16dbeae94f1517cf176a2f53d2660c6b5c3d2eeb4fd9f827337c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:56:13,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:56:13,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:56:13,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:56:13,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:56:13,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:56:13,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:56:13,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:56:13,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:56:13,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:56:13,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:56:13,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:56:13,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:56:13,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:56:13,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:56:13,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:56:13,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:56:13,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:56:13,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:56:13,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:56:13,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:56:13,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:56:13,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:56:14,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:56:14,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:56:14,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:56:14,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:56:14,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:56:14,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:56:14,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:56:14,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:56:14,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:56:14,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:56:14,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:56:14,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:56:14,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:56:14,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:56:14,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:56:14,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:56:14,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:56:14,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:56:14,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:56:14,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:56:14,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:56:14,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:56:14,059 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:56:14,059 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:56:14,059 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:56:14,060 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:56:14,060 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:56:14,060 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:56:14,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:56:14,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:56:14,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:56:14,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:56:14,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:56:14,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:56:14,064 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:56:14,064 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:56:14,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:56:14,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:56:14,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:56:14,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:56:14,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:56:14,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:56:14,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:56:14,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:56:14,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:56:14,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:56:14,067 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:56:14,067 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:56:14,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:56:14,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:56:14,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:56:14,068 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376fa3967c5a16dbeae94f1517cf176a2f53d2660c6b5c3d2eeb4fd9f827337c [2021-11-03 04:56:14,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:56:14,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:56:14,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:56:14,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:56:14,453 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:56:14,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2021-11-03 04:56:14,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data/628d7f9b7/7941fd2f5f984d3da33bbd57ed19f1a0/FLAG948b490a8 [2021-11-03 04:56:15,342 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:56:15,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2021-11-03 04:56:15,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data/628d7f9b7/7941fd2f5f984d3da33bbd57ed19f1a0/FLAG948b490a8 [2021-11-03 04:56:15,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/data/628d7f9b7/7941fd2f5f984d3da33bbd57ed19f1a0 [2021-11-03 04:56:15,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:56:15,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:56:15,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:56:15,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:56:15,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:56:15,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:56:15" (1/1) ... [2021-11-03 04:56:15,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e0f6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:15, skipping insertion in model container [2021-11-03 04:56:15,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:56:15" (1/1) ... [2021-11-03 04:56:15,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:56:15,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:56:16,253 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4492,4505] [2021-11-03 04:56:16,264 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4552,4565] [2021-11-03 04:56:16,299 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:56:16,308 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:56:17,320 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,324 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,325 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,326 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,339 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,352 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,355 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,355 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:17,781 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:56:17,783 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:56:17,784 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:56:17,785 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:56:17,787 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:56:17,787 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:56:17,788 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:56:17,789 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:56:17,789 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:56:17,790 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:56:17,966 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:56:18,089 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,089 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:56:18,264 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:56:18,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:56:18,364 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4492,4505] [2021-11-03 04:56:18,365 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4552,4565] [2021-11-03 04:56:18,366 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:56:18,367 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:56:18,398 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,399 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,399 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,400 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,400 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,408 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,455 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:56:18,456 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:56:18,456 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:56:18,457 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:56:18,458 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:56:18,458 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:56:18,459 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:56:18,459 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:56:18,460 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:56:18,460 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:56:18,491 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:56:18,570 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,570 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:56:18,679 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:56:18,704 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4492,4505] [2021-11-03 04:56:18,705 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_98bbabd7-a37a-476e-9e53-298ba160a2c2/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i[4552,4565] [2021-11-03 04:56:18,706 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:56:18,707 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:56:18,752 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,753 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,753 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,754 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,754 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,760 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,760 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,761 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,799 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:56:18,800 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:56:18,801 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:56:18,801 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:56:18,802 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:56:18,802 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:56:18,803 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:56:18,803 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:56:18,804 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:56:18,804 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:56:18,855 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:56:18,918 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,918 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:56:18,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:56:19,330 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:56:19,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19 WrapperNode [2021-11-03 04:56:19,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:56:19,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:56:19,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:56:19,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:56:19,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:56:19,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:56:19,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:56:19,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:56:19,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:56:19,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:56:19,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:56:19,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:56:19,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (1/1) ... [2021-11-03 04:56:19,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:56:19,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:56:19,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:56:19,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:56:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-03 04:56:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:56:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:56:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:56:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:56:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:56:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:56:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:56:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:56:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:56:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:56:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:56:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:56:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:56:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:56:33,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:56:33,977 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-11-03 04:56:33,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:56:33 BoogieIcfgContainer [2021-11-03 04:56:33,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:56:33,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:56:33,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:56:33,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:56:33,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:56:15" (1/3) ... [2021-11-03 04:56:33,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75afebc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:56:33, skipping insertion in model container [2021-11-03 04:56:33,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:56:19" (2/3) ... [2021-11-03 04:56:33,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75afebc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:56:33, skipping insertion in model container [2021-11-03 04:56:33,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:56:33" (3/3) ... [2021-11-03 04:56:33,995 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2021-11-03 04:56:34,001 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:56:34,001 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-03 04:56:34,062 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:56:34,079 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 04:56:34,079 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-03 04:56:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 183 states have (on average 1.46448087431694) internal successors, (268), 192 states have internal predecessors, (268), 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 04:56:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:56:34,107 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:34,108 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] [2021-11-03 04:56:34,108 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:56:34,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:34,114 INFO L85 PathProgramCache]: Analyzing trace with hash 2073123034, now seen corresponding path program 1 times [2021-11-03 04:56:34,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:56:34,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140138846] [2021-11-03 04:56:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:34,137 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:56:34,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:56:34,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:56:34,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:56:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:38,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:56:38,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:56:38,458 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 04:56:38,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:56:38,580 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 04:56:38,581 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:56:38,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140138846] [2021-11-03 04:56:38,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140138846] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:56:38,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:56:38,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:56:38,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743534676] [2021-11-03 04:56:38,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:56:38,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:56:38,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:56:38,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:56:38,605 INFO L87 Difference]: Start difference. First operand has 193 states, 183 states have (on average 1.46448087431694) internal successors, (268), 192 states have internal predecessors, (268), 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 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 04:56:38,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:38,639 INFO L93 Difference]: Finished difference Result 382 states and 531 transitions. [2021-11-03 04:56:38,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:56:38,640 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 41 [2021-11-03 04:56:38,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:38,650 INFO L225 Difference]: With dead ends: 382 [2021-11-03 04:56:38,650 INFO L226 Difference]: Without dead ends: 186 [2021-11-03 04:56:38,653 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 04:56:38,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-03 04:56:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-11-03 04:56:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 177 states have (on average 1.3389830508474576) internal successors, (237), 185 states have internal predecessors, (237), 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 04:56:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 237 transitions. [2021-11-03 04:56:38,701 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 237 transitions. Word has length 41 [2021-11-03 04:56:38,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:38,701 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 237 transitions. [2021-11-03 04:56:38,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 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 04:56:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2021-11-03 04:56:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:56:38,704 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:38,704 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] [2021-11-03 04:56:38,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:56:38,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:56:38,929 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:56:38,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:38,929 INFO L85 PathProgramCache]: Analyzing trace with hash 706757656, now seen corresponding path program 1 times [2021-11-03 04:56:38,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:56:38,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055944524] [2021-11-03 04:56:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:38,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:56:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:56:38,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:56:38,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:56:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:43,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:56:43,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:56:43,324 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 04:56:43,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:56:43,574 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 04:56:43,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:56:43,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055944524] [2021-11-03 04:56:43,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055944524] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:56:43,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:56:43,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:56:43,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157585375] [2021-11-03 04:56:43,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:56:43,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:56:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:56:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:56:43,578 INFO L87 Difference]: Start difference. First operand 186 states and 237 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 04:56:44,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:44,041 INFO L93 Difference]: Finished difference Result 351 states and 447 transitions. [2021-11-03 04:56:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:56:44,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2021-11-03 04:56:44,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:44,045 INFO L225 Difference]: With dead ends: 351 [2021-11-03 04:56:44,045 INFO L226 Difference]: Without dead ends: 186 [2021-11-03 04:56:44,047 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 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 04:56:44,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-03 04:56:44,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-11-03 04:56:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 177 states have (on average 1.3220338983050848) internal successors, (234), 185 states have internal predecessors, (234), 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 04:56:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 234 transitions. [2021-11-03 04:56:44,075 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 234 transitions. Word has length 41 [2021-11-03 04:56:44,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:44,075 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 234 transitions. [2021-11-03 04:56:44,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 04:56:44,076 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 234 transitions. [2021-11-03 04:56:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 04:56:44,079 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:44,079 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] [2021-11-03 04:56:44,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:56:44,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:56:44,300 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:56:44,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:44,301 INFO L85 PathProgramCache]: Analyzing trace with hash 115187874, now seen corresponding path program 1 times [2021-11-03 04:56:44,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:56:44,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189239849] [2021-11-03 04:56:44,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:44,307 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:56:44,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:56:44,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:56:44,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:56:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:48,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:56:48,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:56:49,088 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 04:56:49,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:56:49,350 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 04:56:49,350 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:56:49,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189239849] [2021-11-03 04:56:49,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189239849] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:56:49,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:56:49,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:56:49,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724417107] [2021-11-03 04:56:49,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:56:49,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:56:49,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:56:49,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:56:49,353 INFO L87 Difference]: Start difference. First operand 186 states and 234 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 04:56:49,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:49,949 INFO L93 Difference]: Finished difference Result 326 states and 410 transitions. [2021-11-03 04:56:49,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:56:49,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 45 [2021-11-03 04:56:49,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:49,952 INFO L225 Difference]: With dead ends: 326 [2021-11-03 04:56:49,953 INFO L226 Difference]: Without dead ends: 186 [2021-11-03 04:56:49,954 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:56:49,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-11-03 04:56:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-11-03 04:56:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 177 states have (on average 1.2994350282485876) internal successors, (230), 185 states have internal predecessors, (230), 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 04:56:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 230 transitions. [2021-11-03 04:56:49,968 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 230 transitions. Word has length 45 [2021-11-03 04:56:49,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:49,969 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 230 transitions. [2021-11-03 04:56:49,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 04:56:49,969 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 230 transitions. [2021-11-03 04:56:49,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 04:56:49,971 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:49,971 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] [2021-11-03 04:56:50,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:56:50,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:56:50,192 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:56:50,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:50,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1710219843, now seen corresponding path program 1 times [2021-11-03 04:56:50,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:56:50,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709030812] [2021-11-03 04:56:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:50,197 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:56:50,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:56:50,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:56:50,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bbabd7-a37a-476e-9e53-298ba160a2c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:56:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:54,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-03 04:56:54,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:56:56,463 INFO L354 Elim1Store]: treesize reduction 1202, result has 0.1 percent of original size [2021-11-03 04:56:56,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 225 treesize of output 69 [2021-11-03 04:56:56,883 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 04:56:56,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:57:26,778 WARN L207 SmtUtils]: Spent 27.53 s on a formula simplification. DAG size of input: 1166 DAG size of output: 513 [2021-11-03 04:57:26,804 INFO L354 Elim1Store]: treesize reduction 2280, result has 39.2 percent of original size [2021-11-03 04:57:26,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 252 treesize of output 1538