./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/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_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/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_58a90831-4212-48e8-909b-eaa5a9e847c2/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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:53:50,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:53:50,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:53:50,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:53:50,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:53:50,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:53:50,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:53:50,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:53:50,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:53:50,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:53:50,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:53:50,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:53:50,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:53:50,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:53:50,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:53:50,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:53:50,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:53:50,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:53:50,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:53:50,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:53:50,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:53:50,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:53:50,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:53:50,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:53:50,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:53:50,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:53:50,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:53:50,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:53:50,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:53:50,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:53:50,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:53:50,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:53:50,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:53:50,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:53:50,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:53:50,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:53:50,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:53:50,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:53:50,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:53:50,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:53:50,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:53:50,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:53:50,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:53:50,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:53:50,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:53:50,493 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:53:50,493 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:53:50,493 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:53:50,494 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:53:50,494 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:53:50,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:53:50,503 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:53:50,505 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:53:50,505 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:53:50,505 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:53:50,505 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:53:50,505 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:53:50,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:53:50,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:53:50,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:53:50,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:53:50,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:53:50,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:53:50,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:53:50,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:53:50,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:53:50,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:53:50,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:53:50,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:53:50,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:53:50,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:53:50,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:53:50,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:53:50,511 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:53:50,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:53:50,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:53:50,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:53:50,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:53:50,512 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_58a90831-4212-48e8-909b-eaa5a9e847c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2021-11-03 03:53:50,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:53:50,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:53:50,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:53:50,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:53:50,819 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:53:50,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-03 03:53:50,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data/38cf4615f/0b6577483e654da5857365e1988f45d2/FLAGbce8c91ec [2021-11-03 03:53:51,714 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:53:51,715 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-03 03:53:51,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data/38cf4615f/0b6577483e654da5857365e1988f45d2/FLAGbce8c91ec [2021-11-03 03:53:52,212 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data/38cf4615f/0b6577483e654da5857365e1988f45d2 [2021-11-03 03:53:52,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:53:52,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:53:52,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:53:52,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:53:52,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:53:52,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:53:52" (1/1) ... [2021-11-03 03:53:52,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a8926b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:52, skipping insertion in model container [2021-11-03 03:53:52,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:53:52" (1/1) ... [2021-11-03 03:53:52,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:53:52,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:53:52,652 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_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-03 03:53:52,662 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_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-03 03:53:52,687 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:53:52,695 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:53:53,704 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,705 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,705 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,706 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,707 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,721 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,722 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,727 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,728 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,729 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:53,729 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:53:54,107 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:53:54,108 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:53:54,109 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:53:54,111 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:53:54,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:53:54,113 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:53:54,114 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:53:54,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:53:54,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:53:54,116 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:53:54,304 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:53:54,327 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1369) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2938) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2101) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:53:54,331 INFO L168 Benchmark]: Toolchain (without parser) took 2113.98 ms. Allocated memory is still 144.7 MB. Free memory was 101.0 MB in the beginning and 88.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:53:54,332 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:53:54,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2110.32 ms. Allocated memory is still 144.7 MB. Free memory was 101.0 MB in the beginning and 88.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:53:54,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2110.32 ms. Allocated memory is still 144.7 MB. Free memory was 101.0 MB in the beginning and 88.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 21.0 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_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/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_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/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_58a90831-4212-48e8-909b-eaa5a9e847c2/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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:53:56,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:53:56,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:53:56,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:53:56,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:53:56,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:53:56,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:53:56,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:53:56,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:53:56,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:53:56,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:53:56,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:53:56,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:53:56,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:53:56,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:53:56,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:53:56,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:53:56,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:53:56,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:53:56,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:53:56,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:53:56,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:53:56,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:53:56,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:53:56,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:53:56,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:53:56,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:53:56,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:53:56,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:53:56,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:53:56,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:53:56,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:53:56,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:53:56,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:53:56,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:53:56,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:53:56,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:53:56,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:53:56,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:53:56,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:53:56,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:53:56,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:53:56,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:53:56,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:53:56,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:53:56,679 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:53:56,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:53:56,680 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:53:56,680 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:53:56,680 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:53:56,681 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:53:56,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:53:56,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:53:56,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:53:56,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:53:56,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:53:56,684 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:53:56,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:53:56,684 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:53:56,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:53:56,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:53:56,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:53:56,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:53:56,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:53:56,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:53:56,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:53:56,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:53:56,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:53:56,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:53:56,687 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:53:56,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:53:56,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:53:56,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:53:56,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:53:56,688 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_58a90831-4212-48e8-909b-eaa5a9e847c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2021-11-03 03:53:57,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:53:57,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:53:57,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:53:57,117 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:53:57,118 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:53:57,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-03 03:53:57,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data/89623115e/9acd4f50325a4556a9c13e02a3360e18/FLAG186cbe60d [2021-11-03 03:53:58,038 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:53:58,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-03 03:53:58,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data/89623115e/9acd4f50325a4556a9c13e02a3360e18/FLAG186cbe60d [2021-11-03 03:53:58,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/data/89623115e/9acd4f50325a4556a9c13e02a3360e18 [2021-11-03 03:53:58,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:53:58,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:53:58,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:53:58,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:53:58,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:53:58,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:53:58" (1/1) ... [2021-11-03 03:53:58,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2012cb26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:53:58, skipping insertion in model container [2021-11-03 03:53:58,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:53:58" (1/1) ... [2021-11-03 03:53:58,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:53:58,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:53:59,047 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_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-03 03:53:59,054 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_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-03 03:53:59,083 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:53:59,091 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:54:00,329 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,330 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,334 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,360 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,360 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,363 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,366 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,370 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,372 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,374 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,374 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:00,851 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:54:00,852 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:54:00,853 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:54:00,854 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:54:00,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:54:00,856 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:54:00,856 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:54:00,858 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:54:00,859 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:54:00,860 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:54:00,997 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:54:01,029 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,106 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,109 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,110 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,113 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,113 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,113 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,114 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,116 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,116 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,116 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,117 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,117 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,117 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,121 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,121 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,132 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,133 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,148 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,149 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,150 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:54:01,196 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:54:01,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:54:01,261 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_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-03 03:54:01,261 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_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-03 03:54:01,263 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:54:01,263 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:54:01,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,324 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,324 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,324 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,325 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,331 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,331 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,333 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,334 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,386 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:54:01,387 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:54:01,388 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:54:01,388 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:54:01,389 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:54:01,390 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:54:01,390 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:54:01,391 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:54:01,391 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:54:01,391 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:54:01,411 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:54:01,427 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,431 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,468 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,468 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,469 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,469 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,469 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,470 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,470 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,471 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,471 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,472 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,472 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,472 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,473 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,473 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,474 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,477 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,478 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,481 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,482 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:54:01,536 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:54:01,562 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_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-03 03:54:01,563 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_58a90831-4212-48e8-909b-eaa5a9e847c2/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-03 03:54:01,565 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:54:01,567 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:54:01,606 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,607 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,607 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,607 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,608 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,614 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,614 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,616 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,616 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,618 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,619 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,619 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,620 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,684 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:54:01,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:54:01,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:54:01,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:54:01,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:54:01,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:54:01,687 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:54:01,687 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:54:01,687 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:54:01,688 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:54:01,710 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:54:01,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,738 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,755 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,759 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,759 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,759 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,760 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,760 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,760 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,761 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,766 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,767 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,767 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,767 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,771 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,772 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,789 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,789 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:54:01,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:54:02,113 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:54:02,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02 WrapperNode [2021-11-03 03:54:02,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:02,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:54:02,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:54:02,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:54:02,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:02,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:02,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:54:02,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:54:02,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:54:02,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:54:02,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:02,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:02,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:02,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:03,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:03,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:03,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:03,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:54:03,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:54:03,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:54:03,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:54:03,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (1/1) ... [2021-11-03 03:54:03,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:54:03,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:54:03,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:54:03,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:54:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:54:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:54:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:54:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:54:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:54:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:54:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:54:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:54:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:54:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:54:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-03 03:54:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:54:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-03 03:54:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:54:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:54:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:54:42,259 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:54:42,260 INFO L299 CfgBuilder]: Removed 1945 assume(true) statements. [2021-11-03 03:54:42,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:42 BoogieIcfgContainer [2021-11-03 03:54:42,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:54:42,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:54:42,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:54:42,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:54:42,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:53:58" (1/3) ... [2021-11-03 03:54:42,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c97124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:42, skipping insertion in model container [2021-11-03 03:54:42,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:02" (2/3) ... [2021-11-03 03:54:42,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c97124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:42, skipping insertion in model container [2021-11-03 03:54:42,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:42" (3/3) ... [2021-11-03 03:54:42,273 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2021-11-03 03:54:42,278 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:54:42,278 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2021-11-03 03:54:42,333 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:54:42,338 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:54:42,339 INFO L340 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2021-11-03 03:54:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 2417 states, 2352 states have (on average 1.4136904761904763) internal successors, (3325), 2416 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 03:54:42,407 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:42,408 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:42,408 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 03:54:42,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:42,414 INFO L85 PathProgramCache]: Analyzing trace with hash -938316165, now seen corresponding path program 1 times [2021-11-03 03:54:42,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:42,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554520910] [2021-11-03 03:54:42,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:42,433 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:42,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:42,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:42,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:54:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:46,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:54:46,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:46,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:46,803 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:46,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554520910] [2021-11-03 03:54:46,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554520910] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:46,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:46,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:54:46,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389948859] [2021-11-03 03:54:46,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:54:46,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:46,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:54:46,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:54:46,831 INFO L87 Difference]: Start difference. First operand has 2417 states, 2352 states have (on average 1.4136904761904763) internal successors, (3325), 2416 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:46,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:46,964 INFO L93 Difference]: Finished difference Result 4828 states and 6643 transitions. [2021-11-03 03:54:46,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:54:46,966 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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 68 [2021-11-03 03:54:46,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:46,992 INFO L225 Difference]: With dead ends: 4828 [2021-11-03 03:54:46,992 INFO L226 Difference]: Without dead ends: 2412 [2021-11-03 03:54:47,001 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:54:47,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2021-11-03 03:54:47,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2412. [2021-11-03 03:54:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2348 states have (on average 1.3283645655877343) internal successors, (3119), 2411 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:47,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3119 transitions. [2021-11-03 03:54:47,130 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3119 transitions. Word has length 68 [2021-11-03 03:54:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:47,131 INFO L470 AbstractCegarLoop]: Abstraction has 2412 states and 3119 transitions. [2021-11-03 03:54:47,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3119 transitions. [2021-11-03 03:54:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 03:54:47,141 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:47,141 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:47,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:47,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:47,342 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 03:54:47,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:47,343 INFO L85 PathProgramCache]: Analyzing trace with hash -438718995, now seen corresponding path program 1 times [2021-11-03 03:54:47,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:47,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698151242] [2021-11-03 03:54:47,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:47,351 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:47,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:47,353 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:47,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:54:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:51,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-03 03:54:51,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:52,446 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:54:52,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 155 treesize of output 59 [2021-11-03 03:54:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:52,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:54,452 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 03:54:54,452 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:54,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698151242] [2021-11-03 03:54:54,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698151242] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:54,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:54,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-03 03:54:54,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480167316] [2021-11-03 03:54:54,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-03 03:54:54,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:54,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-03 03:54:54,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-11-03 03:54:54,456 INFO L87 Difference]: Start difference. First operand 2412 states and 3119 transitions. Second operand has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:45,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:45,503 INFO L93 Difference]: Finished difference Result 4806 states and 6218 transitions. [2021-11-03 03:57:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 03:57:45,507 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 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 68 [2021-11-03 03:57:45,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:45,524 INFO L225 Difference]: With dead ends: 4806 [2021-11-03 03:57:45,524 INFO L226 Difference]: Without dead ends: 2410 [2021-11-03 03:57:45,528 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2021-11-03 03:57:45,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2021-11-03 03:57:45,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2410. [2021-11-03 03:57:45,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2346 states have (on average 1.328218243819267) internal successors, (3116), 2409 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3116 transitions. [2021-11-03 03:57:45,610 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3116 transitions. Word has length 68 [2021-11-03 03:57:45,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:45,610 INFO L470 AbstractCegarLoop]: Abstraction has 2410 states and 3116 transitions. [2021-11-03 03:57:45,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3116 transitions. [2021-11-03 03:57:45,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-03 03:57:45,613 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:45,613 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:45,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:57:45,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:57:45,826 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 03:57:45,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:45,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2124415527, now seen corresponding path program 1 times [2021-11-03 03:57:45,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:57:45,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517300327] [2021-11-03 03:57:45,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:45,832 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:57:45,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:57:45,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:57:45,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:57:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:50,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1642 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:57:50,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:50,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:51,236 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:57:51,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517300327] [2021-11-03 03:57:51,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517300327] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:51,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:51,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:57:51,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679438276] [2021-11-03 03:57:51,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:57:51,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:57:51,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:57:51,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:57:51,239 INFO L87 Difference]: Start difference. First operand 2410 states and 3116 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:51,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:51,721 INFO L93 Difference]: Finished difference Result 4742 states and 6130 transitions. [2021-11-03 03:57:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:57:51,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 71 [2021-11-03 03:57:51,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:51,739 INFO L225 Difference]: With dead ends: 4742 [2021-11-03 03:57:51,739 INFO L226 Difference]: Without dead ends: 2410 [2021-11-03 03:57:51,744 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:57:51,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2021-11-03 03:57:51,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2410. [2021-11-03 03:57:51,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2346 states have (on average 1.3269394714407503) internal successors, (3113), 2409 states have internal predecessors, (3113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:51,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3113 transitions. [2021-11-03 03:57:51,838 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3113 transitions. Word has length 71 [2021-11-03 03:57:51,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:51,838 INFO L470 AbstractCegarLoop]: Abstraction has 2410 states and 3113 transitions. [2021-11-03 03:57:51,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3113 transitions. [2021-11-03 03:57:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-03 03:57:51,840 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:51,841 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:51,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:57:52,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:57:52,066 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 03:57:52,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:52,067 INFO L85 PathProgramCache]: Analyzing trace with hash 796679031, now seen corresponding path program 1 times [2021-11-03 03:57:52,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:57:52,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70951965] [2021-11-03 03:57:52,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:52,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:57:52,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:57:52,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:57:52,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:57:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:56,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 1674 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 03:57:56,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:56,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:57,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:57,495 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:57:57,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70951965] [2021-11-03 03:57:57,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70951965] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:57,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:57,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:57:57,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816652422] [2021-11-03 03:57:57,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:57:57,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:57:57,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:57:57,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:57:57,498 INFO L87 Difference]: Start difference. First operand 2410 states and 3113 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:10,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:58:10,855 INFO L93 Difference]: Finished difference Result 6612 states and 8483 transitions. [2021-11-03 03:58:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:58:10,856 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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 79 [2021-11-03 03:58:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:58:10,888 INFO L225 Difference]: With dead ends: 6612 [2021-11-03 03:58:10,888 INFO L226 Difference]: Without dead ends: 4248 [2021-11-03 03:58:10,894 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-03 03:58:10,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4248 states. [2021-11-03 03:58:11,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4248 to 2410. [2021-11-03 03:58:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2346 states have (on average 1.3256606990622335) internal successors, (3110), 2409 states have internal predecessors, (3110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3110 transitions. [2021-11-03 03:58:11,029 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3110 transitions. Word has length 79 [2021-11-03 03:58:11,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:58:11,032 INFO L470 AbstractCegarLoop]: Abstraction has 2410 states and 3110 transitions. [2021-11-03 03:58:11,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3110 transitions. [2021-11-03 03:58:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-03 03:58:11,033 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:58:11,034 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:58:11,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:58:11,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:58:11,239 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 03:58:11,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:58:11,240 INFO L85 PathProgramCache]: Analyzing trace with hash 484462383, now seen corresponding path program 1 times [2021-11-03 03:58:11,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:58:11,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077736475] [2021-11-03 03:58:11,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:58:11,245 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:58:11,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:58:11,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:58:11,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:58:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:16,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1792 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 03:58:16,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:16,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:58:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:17,308 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:58:17,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077736475] [2021-11-03 03:58:17,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077736475] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:58:17,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:58:17,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 03:58:17,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86179445] [2021-11-03 03:58:17,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:58:17,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:58:17,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:58:17,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:58:17,310 INFO L87 Difference]: Start difference. First operand 2410 states and 3110 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:19,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:58:19,062 INFO L93 Difference]: Finished difference Result 6679 states and 8580 transitions. [2021-11-03 03:58:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:58:19,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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 95 [2021-11-03 03:58:19,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:58:19,087 INFO L225 Difference]: With dead ends: 6679 [2021-11-03 03:58:19,088 INFO L226 Difference]: Without dead ends: 4346 [2021-11-03 03:58:19,093 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:58:19,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2021-11-03 03:58:19,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 2410. [2021-11-03 03:58:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2346 states have (on average 1.324381926683717) internal successors, (3107), 2409 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3107 transitions. [2021-11-03 03:58:19,228 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3107 transitions. Word has length 95 [2021-11-03 03:58:19,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:58:19,229 INFO L470 AbstractCegarLoop]: Abstraction has 2410 states and 3107 transitions. [2021-11-03 03:58:19,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3107 transitions. [2021-11-03 03:58:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-03 03:58:19,231 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:58:19,231 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:58:19,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:58:19,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:58:19,447 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 03:58:19,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:58:19,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1186268397, now seen corresponding path program 1 times [2021-11-03 03:58:19,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:58:19,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218127766] [2021-11-03 03:58:19,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:58:19,451 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:58:19,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:58:19,452 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:58:19,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 03:58:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:24,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 1859 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:58:24,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:24,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:58:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:25,475 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:58:25,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218127766] [2021-11-03 03:58:25,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218127766] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:58:25,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:58:25,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-03 03:58:25,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151155738] [2021-11-03 03:58:25,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:58:25,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:58:25,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:58:25,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:58:25,477 INFO L87 Difference]: Start difference. First operand 2410 states and 3107 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:35,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:58:35,849 INFO L93 Difference]: Finished difference Result 6695 states and 8598 transitions. [2021-11-03 03:58:35,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 03:58:35,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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 119 [2021-11-03 03:58:35,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:58:35,869 INFO L225 Difference]: With dead ends: 6695 [2021-11-03 03:58:35,869 INFO L226 Difference]: Without dead ends: 4346 [2021-11-03 03:58:35,873 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-11-03 03:58:35,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2021-11-03 03:58:35,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 2410. [2021-11-03 03:58:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2410 states, 2346 states have (on average 1.3231031543052003) internal successors, (3104), 2409 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3104 transitions. [2021-11-03 03:58:35,991 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3104 transitions. Word has length 119 [2021-11-03 03:58:35,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:58:35,991 INFO L470 AbstractCegarLoop]: Abstraction has 2410 states and 3104 transitions. [2021-11-03 03:58:35,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3104 transitions. [2021-11-03 03:58:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-03 03:58:35,993 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:58:35,993 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:58:36,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:58:36,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:58:36,206 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 03:58:36,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:58:36,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1357363803, now seen corresponding path program 1 times [2021-11-03 03:58:36,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:58:36,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20836171] [2021-11-03 03:58:36,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:58:36,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:58:36,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:58:36,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:58:36,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 03:58:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:41,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1977 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:58:41,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:41,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:58:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:42,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:58:42,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20836171] [2021-11-03 03:58:42,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20836171] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:58:42,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:58:42,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 03:58:42,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168166626] [2021-11-03 03:58:42,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:58:42,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:58:42,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:58:42,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:58:42,362 INFO L87 Difference]: Start difference. First operand 2410 states and 3104 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 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 03:58:44,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:58:44,134 INFO L93 Difference]: Finished difference Result 6891 states and 8854 transitions. [2021-11-03 03:58:44,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:58:44,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 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) Word has length 135 [2021-11-03 03:58:44,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:58:44,157 INFO L225 Difference]: With dead ends: 6891 [2021-11-03 03:58:44,157 INFO L226 Difference]: Without dead ends: 4557 [2021-11-03 03:58:44,162 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:58:44,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2021-11-03 03:58:44,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 2482. [2021-11-03 03:58:44,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2482 states, 2418 states have (on average 1.3234077750206783) internal successors, (3200), 2481 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 3200 transitions. [2021-11-03 03:58:44,317 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 3200 transitions. Word has length 135 [2021-11-03 03:58:44,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:58:44,317 INFO L470 AbstractCegarLoop]: Abstraction has 2482 states and 3200 transitions. [2021-11-03 03:58:44,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 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 03:58:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 3200 transitions. [2021-11-03 03:58:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-03 03:58:44,320 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:58:44,320 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:58:44,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 03:58:44,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:58:44,547 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 03:58:44,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:58:44,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1942909795, now seen corresponding path program 1 times [2021-11-03 03:58:44,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:58:44,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662978466] [2021-11-03 03:58:44,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:58:44,551 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:58:44,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:58:44,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:58:44,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 03:58:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:49,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 03:58:49,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:50,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:58:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:51,600 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:58:51,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662978466] [2021-11-03 03:58:51,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662978466] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:58:51,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:58:51,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-03 03:58:51,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960673408] [2021-11-03 03:58:51,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:58:51,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:58:51,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:58:51,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:58:51,602 INFO L87 Difference]: Start difference. First operand 2482 states and 3200 transitions. Second operand has 8 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 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 04:04:28,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:04:28,918 INFO L93 Difference]: Finished difference Result 6917 states and 8878 transitions. [2021-11-03 04:04:28,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 04:04:28,922 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 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 135 [2021-11-03 04:04:28,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:04:28,950 INFO L225 Difference]: With dead ends: 6917 [2021-11-03 04:04:28,951 INFO L226 Difference]: Without dead ends: 4508 [2021-11-03 04:04:28,955 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-11-03 04:04:28,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4508 states. [2021-11-03 04:04:29,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4508 to 2482. [2021-11-03 04:04:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2482 states, 2418 states have (on average 1.3184449958643507) internal successors, (3188), 2481 states have internal predecessors, (3188), 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 04:04:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 3188 transitions. [2021-11-03 04:04:29,129 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 3188 transitions. Word has length 135 [2021-11-03 04:04:29,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:04:29,130 INFO L470 AbstractCegarLoop]: Abstraction has 2482 states and 3188 transitions. [2021-11-03 04:04:29,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 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 04:04:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 3188 transitions. [2021-11-03 04:04:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-03 04:04:29,132 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:04:29,133 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:29,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 04:04:29,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:04:29,359 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-03 04:04:29,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:04:29,359 INFO L85 PathProgramCache]: Analyzing trace with hash 641629209, now seen corresponding path program 1 times [2021-11-03 04:04:29,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:04:29,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783587193] [2021-11-03 04:04:29,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:04:29,363 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:04:29,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:04:29,364 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:04:29,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58a90831-4212-48e8-909b-eaa5a9e847c2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 04:04:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:04:35,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:04:35,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:04:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:04:36,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:04:37,299 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 04:04:37,299 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:04:37,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783587193] [2021-11-03 04:04:37,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783587193] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:04:37,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:04:37,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-03 04:04:37,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433662308] [2021-11-03 04:04:37,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 04:04:37,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:04:37,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 04:04:37,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:04:37,303 INFO L87 Difference]: Start difference. First operand 2482 states and 3188 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 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)