./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_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_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/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_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/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_be7b118a-9427-4a45-aec8-248a7654fc88/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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:40:00,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:40:00,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:40:00,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:40:00,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:40:00,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:40:00,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:40:00,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:40:00,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:40:00,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:40:00,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:40:00,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:40:00,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:40:00,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:40:00,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:40:00,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:40:00,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:40:00,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:40:00,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:40:00,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:40:00,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:40:00,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:00,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:00,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:00,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:00,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:00,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:00,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:00,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:00,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:00,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:00,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:00,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:00,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:00,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:00,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:00,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:00,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:00,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:00,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:00,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:00,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:40:00,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:00,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:00,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:00,481 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:00,481 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:00,481 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:00,481 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:40:00,481 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:00,482 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:00,482 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:40:00,482 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:40:00,482 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:00,483 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:40:00,483 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:40:00,483 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:40:00,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:00,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:40:00,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:00,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:00,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:00,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:00,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:00,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:00,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:00,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:00,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:00,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:00,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:00,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:00,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:00,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:00,488 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:40:00,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:40:00,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:00,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:00,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:00,489 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_be7b118a-9427-4a45-aec8-248a7654fc88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2021-11-03 03:40:00,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:00,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:00,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:00,807 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:00,808 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:00,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2021-11-03 03:40:00,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data/b64ebe33b/f6ba88ddcd4446dc85078f3d9338e0a0/FLAG044ed5a5f [2021-11-03 03:40:01,773 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:01,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2021-11-03 03:40:01,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data/b64ebe33b/f6ba88ddcd4446dc85078f3d9338e0a0/FLAG044ed5a5f [2021-11-03 03:40:02,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data/b64ebe33b/f6ba88ddcd4446dc85078f3d9338e0a0 [2021-11-03 03:40:02,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:02,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:02,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:02,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:02,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:02,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:02" (1/1) ... [2021-11-03 03:40:02,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175c3d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:02, skipping insertion in model container [2021-11-03 03:40:02,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:02" (1/1) ... [2021-11-03 03:40:02,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:02,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:02,738 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2021-11-03 03:40:02,747 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_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2021-11-03 03:40:02,773 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:40:02,787 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:40:03,699 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:40:03,825 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,826 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,827 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,829 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,830 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,866 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,870 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,874 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,876 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,877 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,878 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:03,879 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:04,295 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:40:04,296 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:40:04,297 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:40:04,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:40:04,300 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:40:04,301 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:40:04,302 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:40:04,302 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:40:04,303 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:40:04,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:40:04,490 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:40:04,499 INFO L168 Benchmark]: Toolchain (without parser) took 2167.94 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 79.0 MB in the beginning and 122.4 MB in the end (delta: -43.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:04,519 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 86.0 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:40:04,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2149.04 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 78.7 MB in the beginning and 122.4 MB in the end (delta: -43.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:04,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 86.0 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2149.04 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 78.7 MB in the beginning and 122.4 MB in the end (delta: -43.6 MB). Peak memory consumption was 27.1 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_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/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_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/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_be7b118a-9427-4a45-aec8-248a7654fc88/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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:40:06,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:40:06,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:40:06,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:40:06,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:40:06,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:40:06,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:40:06,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:40:06,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:40:06,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:40:06,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:40:06,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:40:06,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:40:06,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:40:06,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:40:06,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:40:06,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:40:06,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:40:06,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:40:06,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:40:06,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:40:06,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:06,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:06,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:06,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:06,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:06,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:06,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:06,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:06,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:06,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:06,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:06,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:06,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:06,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:06,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:06,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:06,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:06,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:06,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:06,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:06,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:40:06,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:06,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:06,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:06,937 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:06,937 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:06,937 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:06,938 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:06,938 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:06,938 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:06,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:06,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:06,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:06,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:06,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:06,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:06,940 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:40:06,940 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:40:06,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:06,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:06,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:06,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:06,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:40:06,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:06,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:06,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:06,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:06,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:06,942 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:40:06,942 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:40:06,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:06,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:06,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:06,943 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_be7b118a-9427-4a45-aec8-248a7654fc88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2021-11-03 03:40:07,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:07,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:07,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:07,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:07,361 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:07,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2021-11-03 03:40:07,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data/911697e4d/d2b2accf91f5440e88b781fcdc098a8b/FLAG7faa53aa6 [2021-11-03 03:40:08,327 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:08,329 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2021-11-03 03:40:08,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data/911697e4d/d2b2accf91f5440e88b781fcdc098a8b/FLAG7faa53aa6 [2021-11-03 03:40:08,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/data/911697e4d/d2b2accf91f5440e88b781fcdc098a8b [2021-11-03 03:40:08,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:08,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:08,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:08,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:08,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:08,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:08" (1/1) ... [2021-11-03 03:40:08,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43482e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:08, skipping insertion in model container [2021-11-03 03:40:08,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:08" (1/1) ... [2021-11-03 03:40:08,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:08,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:09,288 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_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2021-11-03 03:40:09,295 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_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2021-11-03 03:40:09,323 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:40:09,331 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:40:10,531 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:40:10,662 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,663 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,667 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,672 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,674 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,691 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,692 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,695 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,695 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,702 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,704 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,705 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:10,705 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,289 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:40:11,320 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:40:11,321 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:40:11,330 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:40:11,332 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:40:11,334 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:40:11,335 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:40:11,336 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:40:11,340 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:40:11,340 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:40:11,557 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:11,670 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:40:11,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:11,780 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_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2021-11-03 03:40:11,781 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_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2021-11-03 03:40:11,783 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:40:11,783 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:40:11,815 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:40:11,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,836 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,843 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,844 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,846 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,847 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,848 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,854 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:11,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:40:11,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:40:11,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:40:11,906 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:40:11,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:40:11,909 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:40:11,910 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:40:11,911 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:40:11,912 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:40:11,912 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:40:11,993 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:12,088 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:40:12,120 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_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2021-11-03 03:40:12,120 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_be7b118a-9427-4a45-aec8-248a7654fc88/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2021-11-03 03:40:12,122 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:40:12,123 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:40:12,176 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:40:12,196 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,197 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,197 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,198 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,198 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,207 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,207 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,208 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,209 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,210 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,211 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,212 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,212 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,283 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:40:12,285 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:40:12,286 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:40:12,287 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:40:12,288 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:40:12,288 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:40:12,289 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:40:12,290 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:40:12,291 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:40:12,292 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:40:12,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:12,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:12,663 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:40:12,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12 WrapperNode [2021-11-03 03:40:12,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:12,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:12,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:40:12,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:40:12,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:12,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:12,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:12,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:40:12,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:40:12,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:40:12,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:12,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:12,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:12,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:13,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:13,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:13,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:13,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:40:13,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:40:13,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:40:13,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:40:13,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (1/1) ... [2021-11-03 03:40:13,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:13,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:40:13,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:40:13,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:40:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:40:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:40:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:40:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:40:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:40:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:40:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:40:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:40:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:40:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:40:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:40:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-03 03:40:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:40:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:40:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:40:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:40:27,702 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:40:27,703 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-11-03 03:40:27,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:27 BoogieIcfgContainer [2021-11-03 03:40:27,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:40:27,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:40:27,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:40:27,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:40:27,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:40:08" (1/3) ... [2021-11-03 03:40:27,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcca9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:27, skipping insertion in model container [2021-11-03 03:40:27,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:12" (2/3) ... [2021-11-03 03:40:27,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcca9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:27, skipping insertion in model container [2021-11-03 03:40:27,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:27" (3/3) ... [2021-11-03 03:40:27,714 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2021-11-03 03:40:27,720 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:40:27,720 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-03 03:40:27,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:40:27,792 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 03:40:27,793 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-03 03:40:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 123 states have (on average 1.4308943089430894) internal successors, (176), 132 states have internal predecessors, (176), 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 03:40:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 03:40:27,818 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:40:27,819 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] [2021-11-03 03:40:27,819 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 03:40:27,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:40:27,825 INFO L85 PathProgramCache]: Analyzing trace with hash -608975248, now seen corresponding path program 1 times [2021-11-03 03:40:27,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:40:27,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416235305] [2021-11-03 03:40:27,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:40:27,847 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:40:27,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:40:27,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:40:27,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:40:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:40:31,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:40:31,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:40:32,108 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 03:40:32,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:40:32,251 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 03:40:32,251 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:40:32,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416235305] [2021-11-03 03:40:32,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416235305] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:40:32,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:40:32,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:40:32,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606055093] [2021-11-03 03:40:32,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:40:32,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:40:32,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:40:32,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:40:32,275 INFO L87 Difference]: Start difference. First operand has 133 states, 123 states have (on average 1.4308943089430894) internal successors, (176), 132 states have internal predecessors, (176), 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 03:40:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:40:32,303 INFO L93 Difference]: Finished difference Result 262 states and 347 transitions. [2021-11-03 03:40:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:40:32,304 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-03 03:40:32,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:40:32,314 INFO L225 Difference]: With dead ends: 262 [2021-11-03 03:40:32,314 INFO L226 Difference]: Without dead ends: 128 [2021-11-03 03:40:32,318 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 03:40:32,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-03 03:40:32,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-11-03 03:40:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 119 states have (on average 1.2941176470588236) internal successors, (154), 127 states have internal predecessors, (154), 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 03:40:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 154 transitions. [2021-11-03 03:40:32,358 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 154 transitions. Word has length 29 [2021-11-03 03:40:32,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:40:32,359 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 154 transitions. [2021-11-03 03:40:32,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 03:40:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 154 transitions. [2021-11-03 03:40:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 03:40:32,361 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:40:32,361 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] [2021-11-03 03:40:32,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:40:32,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:40:32,584 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 03:40:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:40:32,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1598932068, now seen corresponding path program 1 times [2021-11-03 03:40:32,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:40:32,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390077432] [2021-11-03 03:40:32,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:40:32,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:40:32,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:40:32,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:40:32,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:40:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:40:36,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:40:36,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:40:36,935 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 03:40:36,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:40:37,097 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 03:40:37,098 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:40:37,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390077432] [2021-11-03 03:40:37,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390077432] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:40:37,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:40:37,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:40:37,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95617746] [2021-11-03 03:40:37,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:40:37,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:40:37,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:40:37,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:40:37,102 INFO L87 Difference]: Start difference. First operand 128 states and 154 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 03:40:37,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:40:37,178 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2021-11-03 03:40:37,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:40:37,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2021-11-03 03:40:37,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:40:37,181 INFO L225 Difference]: With dead ends: 243 [2021-11-03 03:40:37,181 INFO L226 Difference]: Without dead ends: 129 [2021-11-03 03:40:37,183 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:40:37,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-03 03:40:37,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-03 03:40:37,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 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 03:40:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 155 transitions. [2021-11-03 03:40:37,196 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 155 transitions. Word has length 29 [2021-11-03 03:40:37,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:40:37,197 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 155 transitions. [2021-11-03 03:40:37,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 03:40:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 155 transitions. [2021-11-03 03:40:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 03:40:37,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:40:37,199 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] [2021-11-03 03:40:37,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:40:37,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:40:37,412 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 03:40:37,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:40:37,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1732945574, now seen corresponding path program 1 times [2021-11-03 03:40:37,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:40:37,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524620520] [2021-11-03 03:40:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:40:37,421 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:40:37,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:40:37,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:40:37,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:40:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:40:41,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 03:40:41,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:40:42,808 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-11-03 03:40:42,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 203 treesize of output 59 [2021-11-03 03:40:43,037 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 03:40:43,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:40:43,990 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 03:40:43,990 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:40:43,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524620520] [2021-11-03 03:40:43,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524620520] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:40:43,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:40:43,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-03 03:40:43,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314935136] [2021-11-03 03:40:43,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 03:40:43,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:40:43,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 03:40:43,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-03 03:40:43,993 INFO L87 Difference]: Start difference. First operand 129 states and 155 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 03:41:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:41:23,576 INFO L93 Difference]: Finished difference Result 343 states and 413 transitions. [2021-11-03 03:41:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 03:41:23,580 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 29 [2021-11-03 03:41:23,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:41:23,584 INFO L225 Difference]: With dead ends: 343 [2021-11-03 03:41:23,585 INFO L226 Difference]: Without dead ends: 229 [2021-11-03 03:41:23,586 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-11-03 03:41:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-03 03:41:23,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 125. [2021-11-03 03:41:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 116 states have (on average 1.293103448275862) internal successors, (150), 124 states have internal predecessors, (150), 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 03:41:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 150 transitions. [2021-11-03 03:41:23,601 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 150 transitions. Word has length 29 [2021-11-03 03:41:23,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:41:23,602 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 150 transitions. [2021-11-03 03:41:23,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 03:41:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 150 transitions. [2021-11-03 03:41:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 03:41:23,604 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:41:23,604 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] [2021-11-03 03:41:23,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-03 03:41:23,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:41:23,824 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 03:41:23,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:41:23,825 INFO L85 PathProgramCache]: Analyzing trace with hash -488364676, now seen corresponding path program 1 times [2021-11-03 03:41:23,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:41:23,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620922661] [2021-11-03 03:41:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:41:23,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:41:23,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:41:23,829 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:41:23,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:41:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:41:27,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:41:27,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:41:28,142 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 03:41:28,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:41:28,320 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 03:41:28,320 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:41:28,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620922661] [2021-11-03 03:41:28,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620922661] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:41:28,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:41:28,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:41:28,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067208111] [2021-11-03 03:41:28,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:41:28,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:41:28,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:41:28,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:41:28,327 INFO L87 Difference]: Start difference. First operand 125 states and 150 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 03:41:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:41:28,874 INFO L93 Difference]: Finished difference Result 222 states and 265 transitions. [2021-11-03 03:41:28,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:41:28,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-11-03 03:41:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:41:28,894 INFO L225 Difference]: With dead ends: 222 [2021-11-03 03:41:28,895 INFO L226 Difference]: Without dead ends: 125 [2021-11-03 03:41:28,896 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 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 03:41:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-03 03:41:28,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-03 03:41:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 116 states have (on average 1.2758620689655173) internal successors, (148), 124 states have internal predecessors, (148), 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 03:41:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 148 transitions. [2021-11-03 03:41:28,909 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 148 transitions. Word has length 32 [2021-11-03 03:41:28,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:41:28,910 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 148 transitions. [2021-11-03 03:41:28,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 03:41:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 148 transitions. [2021-11-03 03:41:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 03:41:28,912 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:41:28,912 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] [2021-11-03 03:41:28,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:41:29,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:41:29,136 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:41:29,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:41:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash -812131744, now seen corresponding path program 1 times [2021-11-03 03:41:29,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:41:29,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719898635] [2021-11-03 03:41:29,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:41:29,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:41:29,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:41:29,141 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:41:29,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:41:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:41:33,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 03:41:33,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:41:34,253 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 03:41:34,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:41:34,554 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 03:41:34,554 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:41:34,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719898635] [2021-11-03 03:41:34,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719898635] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:41:34,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:41:34,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 03:41:34,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623056024] [2021-11-03 03:41:34,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:41:34,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:41:34,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:41:34,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:41:34,556 INFO L87 Difference]: Start difference. First operand 125 states and 148 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 03:41:35,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:41:35,268 INFO L93 Difference]: Finished difference Result 197 states and 231 transitions. [2021-11-03 03:41:35,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:41:35,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 40 [2021-11-03 03:41:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:41:35,289 INFO L225 Difference]: With dead ends: 197 [2021-11-03 03:41:35,289 INFO L226 Difference]: Without dead ends: 125 [2021-11-03 03:41:35,290 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:41:35,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-03 03:41:35,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-03 03:41:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 116 states have (on average 1.2586206896551724) internal successors, (146), 124 states have internal predecessors, (146), 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 03:41:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2021-11-03 03:41:35,307 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 40 [2021-11-03 03:41:35,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:41:35,308 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2021-11-03 03:41:35,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 03:41:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2021-11-03 03:41:35,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-03 03:41:35,310 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:41:35,311 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:41:35,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:41:35,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:41:35,516 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:41:35,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:41:35,517 INFO L85 PathProgramCache]: Analyzing trace with hash 719763882, now seen corresponding path program 1 times [2021-11-03 03:41:35,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:41:35,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199547256] [2021-11-03 03:41:35,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:41:35,520 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:41:35,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:41:35,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:41:35,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 03:41:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:41:40,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:41:40,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:41:40,529 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 03:41:40,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:41:40,671 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 03:41:40,671 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:41:40,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199547256] [2021-11-03 03:41:40,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199547256] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:41:40,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:41:40,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:41:40,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405646926] [2021-11-03 03:41:40,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:41:40,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:41:40,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:41:40,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:41:40,674 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 03:41:41,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:41:41,217 INFO L93 Difference]: Finished difference Result 243 states and 287 transitions. [2021-11-03 03:41:41,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:41:41,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2021-11-03 03:41:41,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:41:41,223 INFO L225 Difference]: With dead ends: 243 [2021-11-03 03:41:41,223 INFO L226 Difference]: Without dead ends: 145 [2021-11-03 03:41:41,224 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 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 03:41:41,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-03 03:41:41,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 133. [2021-11-03 03:41:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 124 states have (on average 1.2419354838709677) internal successors, (154), 132 states have internal predecessors, (154), 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 03:41:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2021-11-03 03:41:41,235 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 56 [2021-11-03 03:41:41,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:41:41,236 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2021-11-03 03:41:41,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 03:41:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2021-11-03 03:41:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-03 03:41:41,239 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:41:41,239 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:41:41,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:41:41,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:41:41,448 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 03:41:41,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:41:41,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1055243480, now seen corresponding path program 1 times [2021-11-03 03:41:41,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:41:41,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018897474] [2021-11-03 03:41:41,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:41:41,453 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:41:41,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:41:41,453 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:41:41,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be7b118a-9427-4a45-aec8-248a7654fc88/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 03:43:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:51,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 03:43:51,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:51,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-03 03:43:51,894 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-03 03:43:51,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-11-03 03:43:52,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-03 03:43:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:52,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 33 [2021-11-03 03:43:52,998 INFO L354 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2021-11-03 03:43:52,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 41 [2021-11-03 03:43:53,479 INFO L354 Elim1Store]: treesize reduction 1506, result has 0.5 percent of original size [2021-11-03 03:43:53,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 121 treesize of output 24 [2021-11-03 03:43:53,873 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 03:43:53,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:54,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:54,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-03 03:44:03,151 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46|)))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64))))))) is different from false [2021-11-03 03:44:05,292 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46|)))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8)) |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0.base|) (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0.offset|)))))) is different from false [2021-11-03 03:44:07,451 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (|ULTIMATE.start_ensure_array_list_has_allocated_data_member_#t~ite589.base| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 64) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.base) c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.offset |ULTIMATE.start_ensure_array_list_has_allocated_data_member_#t~ite589.base|)))) (store .cse0 |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46| (store (store (store (store (store (store (store (store (select .cse0 |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8))) |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0.base|) (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_capacity_harness_~#list~0.offset|)))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_46|)))))) is different from false [2021-11-03 03:44:07,925 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 125849454 treesize of output 125824878 [2021-11-03 03:53:52,321 WARN L207 SmtUtils]: Spent 9.74 m on a formula simplification that was a NOOP. DAG size: 6071