./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.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_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/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_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/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_30088e86-7dde-48fd-9623-e5cd39cb8326/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 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:38:48,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:38:48,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:38:48,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:38:48,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:38:48,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:38:48,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:38:48,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:38:48,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:38:48,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:38:48,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:38:48,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:38:48,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:38:48,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:38:48,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:38:48,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:38:48,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:38:48,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:38:48,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:38:48,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:38:48,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:38:48,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:38:48,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:38:48,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:38:48,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:38:48,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:38:48,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:38:48,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:38:48,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:38:48,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:38:48,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:38:48,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:38:48,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:38:48,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:38:48,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:38:48,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:38:48,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:38:48,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:38:48,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:38:48,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:38:48,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:38:48,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:38:48,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:38:48,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:38:48,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:38:48,747 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:38:48,747 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:38:48,747 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:38:48,748 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:38:48,748 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:38:48,754 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:38:48,754 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:38:48,755 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:38:48,755 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:38:48,756 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:38:48,756 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:38:48,756 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:38:48,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:38:48,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:38:48,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:38:48,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:38:48,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:38:48,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:38:48,758 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:38:48,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:38:48,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:38:48,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:38:48,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:38:48,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:38:48,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:38:48,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:38:48,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:38:48,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:38:48,760 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:38:48,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:38:48,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:38:48,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:38:48,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:38:48,762 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_30088e86-7dde-48fd-9623-e5cd39cb8326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 [2021-11-03 04:38:49,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:38:49,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:38:49,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:38:49,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:38:49,067 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:38:49,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2021-11-03 04:38:49,142 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data/420500b75/769a6a68163e4833853541b70c7b2570/FLAG4e1603708 [2021-11-03 04:38:50,104 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:38:50,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2021-11-03 04:38:50,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data/420500b75/769a6a68163e4833853541b70c7b2570/FLAG4e1603708 [2021-11-03 04:38:50,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data/420500b75/769a6a68163e4833853541b70c7b2570 [2021-11-03 04:38:50,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:38:50,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:38:50,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:50,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:38:50,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:38:50,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:50" (1/1) ... [2021-11-03 04:38:50,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e40f771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:50, skipping insertion in model container [2021-11-03 04:38:50,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:50" (1/1) ... [2021-11-03 04:38:50,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:38:50,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:38:51,019 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_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4497,4510] [2021-11-03 04:38:51,026 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_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4557,4570] [2021-11-03 04:38:51,049 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:38:51,054 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:38:52,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,189 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,191 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,197 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,209 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,212 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,215 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,216 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:52,613 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:38:52,614 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:38:52,615 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:38:52,616 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:38:52,618 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:38:52,618 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:38:52,619 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:38:52,620 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:38:52,620 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:38:52,621 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:38:52,780 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:38:52,808 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1369) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2938) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2101) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:38:52,814 INFO L168 Benchmark]: Toolchain (without parser) took 2291.60 ms. Allocated memory is still 115.3 MB. Free memory was 72.0 MB in the beginning and 56.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:52,815 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 115.3 MB. Free memory was 87.7 MB in the beginning and 87.6 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:38:52,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2288.93 ms. Allocated memory is still 115.3 MB. Free memory was 71.8 MB in the beginning and 56.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:38:52,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 115.3 MB. Free memory was 87.7 MB in the beginning and 87.6 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2288.93 ms. Allocated memory is still 115.3 MB. Free memory was 71.8 MB in the beginning and 56.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 19.4 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_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/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_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/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_30088e86-7dde-48fd-9623-e5cd39cb8326/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 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:38:55,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:38:55,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:38:55,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:38:55,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:38:55,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:38:55,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:38:55,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:38:55,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:38:55,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:38:55,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:38:55,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:38:55,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:38:55,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:38:55,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:38:55,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:38:55,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:38:55,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:38:55,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:38:55,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:38:55,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:38:55,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:38:55,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:38:55,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:38:55,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:38:55,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:38:55,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:38:55,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:38:55,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:38:55,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:38:55,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:38:55,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:38:55,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:38:55,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:38:55,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:38:55,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:38:55,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:38:55,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:38:55,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:38:55,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:38:55,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:38:55,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:38:55,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:38:55,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:38:55,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:38:55,163 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:38:55,163 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:38:55,164 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:38:55,164 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:38:55,164 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:38:55,164 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:38:55,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:38:55,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:38:55,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:38:55,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:38:55,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:38:55,167 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:38:55,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:38:55,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:38:55,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:38:55,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:38:55,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:38:55,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:38:55,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:38:55,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:38:55,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:38:55,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:38:55,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:38:55,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:38:55,170 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:38:55,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:38:55,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:38:55,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:38:55,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:38:55,172 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_30088e86-7dde-48fd-9623-e5cd39cb8326/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 [2021-11-03 04:38:55,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:38:55,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:38:55,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:38:55,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:38:55,591 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:38:55,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2021-11-03 04:38:55,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data/49e7175e5/75d47f38f6914a34b3a499108c034203/FLAG716e5e23d [2021-11-03 04:38:56,550 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:38:56,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2021-11-03 04:38:56,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data/49e7175e5/75d47f38f6914a34b3a499108c034203/FLAG716e5e23d [2021-11-03 04:38:57,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/data/49e7175e5/75d47f38f6914a34b3a499108c034203 [2021-11-03 04:38:57,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:38:57,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:38:57,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:38:57,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:38:57,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:38:57,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:57" (1/1) ... [2021-11-03 04:38:57,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f927583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:38:57, skipping insertion in model container [2021-11-03 04:38:57,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:38:57" (1/1) ... [2021-11-03 04:38:57,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:38:57,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:38:57,496 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_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4497,4510] [2021-11-03 04:38:57,504 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_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4557,4570] [2021-11-03 04:38:57,535 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:38:57,543 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:38:58,579 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:58,582 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:58,583 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:58,584 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:58,586 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:58,614 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:58,616 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:58,618 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:58,618 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,022 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:38:59,023 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:38:59,024 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:38:59,026 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:38:59,027 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:38:59,028 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:38:59,029 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:38:59,030 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:38:59,031 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:38:59,031 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:38:59,228 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:38:59,320 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:38:59,491 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:38:59,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:38:59,574 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_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4497,4510] [2021-11-03 04:38:59,575 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_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4557,4570] [2021-11-03 04:38:59,577 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:38:59,578 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:38:59,632 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,633 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,633 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,634 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,635 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,653 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,654 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,657 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,710 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:38:59,711 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:38:59,712 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:38:59,713 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:38:59,716 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:38:59,716 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:38:59,717 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:38:59,717 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:38:59,718 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:38:59,718 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:38:59,755 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:38:59,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,853 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:38:59,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:38:59,939 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:38:59,968 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_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4497,4510] [2021-11-03 04:38:59,968 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_30088e86-7dde-48fd-9623-e5cd39cb8326/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4557,4570] [2021-11-03 04:38:59,970 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:38:59,970 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:39:00,026 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,027 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,027 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,027 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,028 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,034 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,034 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,035 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,035 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,067 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:39:00,068 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:39:00,068 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:39:00,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:39:00,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:39:00,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:39:00,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:39:00,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:39:00,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:39:00,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:39:00,096 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:39:00,225 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,225 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:39:00,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:39:00,650 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:39:00,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00 WrapperNode [2021-11-03 04:39:00,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:39:00,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:39:00,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:39:00,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:39:00,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:00,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:00,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:39:00,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:39:00,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:39:00,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:39:00,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:00,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:00,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:00,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:00,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:00,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:00,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:01,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:39:01,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:39:01,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:39:01,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:39:01,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (1/1) ... [2021-11-03 04:39:01,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:39:01,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:39:01,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:39:01,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:39:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:39:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:39:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:39:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:39:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:39:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:39:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:39:01,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:39:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:39:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:39:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:39:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:39:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:39:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:39:14,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:39:14,383 INFO L299 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-03 04:39:14,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:14 BoogieIcfgContainer [2021-11-03 04:39:14,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:39:14,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:39:14,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:39:14,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:39:14,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:38:57" (1/3) ... [2021-11-03 04:39:14,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b093cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:14, skipping insertion in model container [2021-11-03 04:39:14,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:39:00" (2/3) ... [2021-11-03 04:39:14,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b093cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:39:14, skipping insertion in model container [2021-11-03 04:39:14,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:39:14" (3/3) ... [2021-11-03 04:39:14,393 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_c_str_harness-1.i [2021-11-03 04:39:14,397 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:39:14,398 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-03 04:39:14,442 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:39:14,447 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:39:14,447 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-03 04:39:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 91 states have (on average 1.4835164835164836) internal successors, (135), 101 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 04:39:14,467 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:14,468 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:14,468 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:39:14,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:14,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1473877127, now seen corresponding path program 1 times [2021-11-03 04:39:14,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:14,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470275279] [2021-11-03 04:39:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:14,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:14,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:14,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:14,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:39:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:18,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1697 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:39:18,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:18,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:18,767 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:39:18,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470275279] [2021-11-03 04:39:18,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1470275279] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:39:18,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:39:18,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:39:18,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918402364] [2021-11-03 04:39:18,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:39:18,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:39:18,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:39:18,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:39:18,789 INFO L87 Difference]: Start difference. First operand has 102 states, 91 states have (on average 1.4835164835164836) internal successors, (135), 101 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:19,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:19,038 INFO L93 Difference]: Finished difference Result 198 states and 262 transitions. [2021-11-03 04:39:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:39:19,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2021-11-03 04:39:19,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:19,048 INFO L225 Difference]: With dead ends: 198 [2021-11-03 04:39:19,048 INFO L226 Difference]: Without dead ends: 94 [2021-11-03 04:39:19,050 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:39:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-03 04:39:19,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-11-03 04:39:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 93 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 110 transitions. [2021-11-03 04:39:19,085 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 110 transitions. Word has length 15 [2021-11-03 04:39:19,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:19,086 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 110 transitions. [2021-11-03 04:39:19,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2021-11-03 04:39:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-03 04:39:19,087 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:19,087 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] [2021-11-03 04:39:19,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:19,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:39:19,302 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:39:19,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:19,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1464782734, now seen corresponding path program 1 times [2021-11-03 04:39:19,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:19,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481688844] [2021-11-03 04:39:19,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:19,310 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:19,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:19,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:19,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:39:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:23,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1710 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:39:23,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:23,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:23,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:23,497 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:39:23,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481688844] [2021-11-03 04:39:23,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481688844] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:39:23,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:39:23,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-03 04:39:23,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757114105] [2021-11-03 04:39:23,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:39:23,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:39:23,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:39:23,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:39:23,501 INFO L87 Difference]: Start difference. First operand 94 states and 110 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:24,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:24,152 INFO L93 Difference]: Finished difference Result 163 states and 186 transitions. [2021-11-03 04:39:24,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:39:24,152 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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 21 [2021-11-03 04:39:24,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:24,155 INFO L225 Difference]: With dead ends: 163 [2021-11-03 04:39:24,156 INFO L226 Difference]: Without dead ends: 159 [2021-11-03 04:39:24,156 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:39:24,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-03 04:39:24,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 102. [2021-11-03 04:39:24,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 101 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:24,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2021-11-03 04:39:24,167 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 21 [2021-11-03 04:39:24,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:24,168 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2021-11-03 04:39:24,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:24,168 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2021-11-03 04:39:24,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:39:24,169 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:24,169 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] [2021-11-03 04:39:24,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:24,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:39:24,370 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:39:24,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:24,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1490302264, now seen corresponding path program 1 times [2021-11-03 04:39:24,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:39:24,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897071280] [2021-11-03 04:39:24,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:24,379 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:39:24,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:39:24,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:39:24,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:40:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:40:06,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 04:40:06,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:40:06,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:40:06,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-03 04:40:06,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:40:06,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-03 04:40:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:06,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:07,190 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 19 treesize of output 17 [2021-11-03 04:40:07,205 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 19 treesize of output 17 [2021-11-03 04:40:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:40:07,278 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:40:07,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897071280] [2021-11-03 04:40:07,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897071280] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:40:07,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:40:07,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 9 [2021-11-03 04:40:07,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986082516] [2021-11-03 04:40:07,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 04:40:07,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:40:07,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 04:40:07,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:40:07,280 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:12,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:40:12,763 INFO L93 Difference]: Finished difference Result 204 states and 237 transitions. [2021-11-03 04:40:12,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 04:40:12,768 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 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 25 [2021-11-03 04:40:12,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:40:12,770 INFO L225 Difference]: With dead ends: 204 [2021-11-03 04:40:12,770 INFO L226 Difference]: Without dead ends: 131 [2021-11-03 04:40:12,770 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:40:12,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-03 04:40:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 109. [2021-11-03 04:40:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 108 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-03 04:40:12,790 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 25 [2021-11-03 04:40:12,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:40:12,790 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-03 04:40:12,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:40:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-03 04:40:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:40:12,792 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:40:12,792 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] [2021-11-03 04:40:13,013 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-03 04:40:13,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:40:13,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:40:13,043 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:40:13,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:40:13,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1232136826, now seen corresponding path program 1 times [2021-11-03 04:40:13,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:40:13,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960458623] [2021-11-03 04:40:13,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:40:13,047 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:40:13,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:40:13,051 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:40:13,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:51:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:51:34,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-03 04:51:34,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:51:35,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:51:35,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:51:35,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:51:35,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:51:35,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:51:35,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:51:35,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:51:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,503 INFO L354 Elim1Store]: treesize reduction 482, result has 1.4 percent of original size [2021-11-03 04:51:35,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 98 [2021-11-03 04:51:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:36,083 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:51:36,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 120 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 143 treesize of output 191 [2021-11-03 04:51:40,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,907 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:51:40,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 205 treesize of output 234 [2021-11-03 04:51:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:40,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:51:41,211 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:51:41,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 186 treesize of output 215 [2021-11-03 04:51:43,729 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:51:43,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 120 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 242 treesize of output 114 [2021-11-03 04:51:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:51:43,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:51:44,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:51:44,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-03 04:51:44,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:51:44,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-03 04:51:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:51:44,452 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:51:44,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960458623] [2021-11-03 04:51:44,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960458623] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:51:44,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:51:44,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 13 [2021-11-03 04:51:44,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057449976] [2021-11-03 04:51:44,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 04:51:44,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:51:44,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 04:51:44,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2021-11-03 04:51:44,454 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:52:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:52:28,239 INFO L93 Difference]: Finished difference Result 300 states and 351 transitions. [2021-11-03 04:52:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 04:52:28,240 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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 25 [2021-11-03 04:52:28,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:52:28,242 INFO L225 Difference]: With dead ends: 300 [2021-11-03 04:52:28,242 INFO L226 Difference]: Without dead ends: 221 [2021-11-03 04:52:28,243 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=71, Invalid=168, Unknown=1, NotChecked=0, Total=240 [2021-11-03 04:52:28,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-03 04:52:28,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 122. [2021-11-03 04:52:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 121 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:52:28,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2021-11-03 04:52:28,256 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 25 [2021-11-03 04:52:28,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:52:28,257 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2021-11-03 04:52:28,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:52:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2021-11-03 04:52:28,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:52:28,258 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:52:28,258 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] [2021-11-03 04:52:28,465 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2021-11-03 04:52:28,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 137 [2021-11-03 04:52:28,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:52:28,602 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-03 04:52:28,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:52:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2051713220, now seen corresponding path program 1 times [2021-11-03 04:52:28,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:52:28,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579536909] [2021-11-03 04:52:28,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:52:28,605 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:52:28,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:52:28,606 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:52:28,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30088e86-7dde-48fd-9623-e5cd39cb8326/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process