./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_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_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/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_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/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_2a25cff0-9c34-4667-b56a-f36e37e790d5/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 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:07:03,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:07:03,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:07:03,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:07:03,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:07:03,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:07:03,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:07:03,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:07:03,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:07:03,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:07:03,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:07:03,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:07:03,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:07:03,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:07:03,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:07:03,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:07:03,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:07:03,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:07:03,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:07:03,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:07:03,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:07:03,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:07:03,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:07:03,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:07:03,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:07:03,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:07:03,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:07:03,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:07:03,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:07:03,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:07:03,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:07:03,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:07:03,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:07:03,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:07:03,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:07:03,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:07:03,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:07:03,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:07:03,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:07:03,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:07:03,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:07:03,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:07:03,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:07:03,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:07:03,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:07:03,528 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:07:03,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:07:03,528 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:07:03,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:07:03,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:07:03,534 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:07:03,535 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:07:03,536 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:07:03,536 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:07:03,536 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:07:03,537 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:07:03,537 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:07:03,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:07:03,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:07:03,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:07:03,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:07:03,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:07:03,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:07:03,539 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:07:03,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:07:03,540 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:07:03,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:07:03,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:07:03,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:07:03,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:07:03,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:07:03,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:07:03,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:07:03,543 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:07:03,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:07:03,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:07:03,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:07:03,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:07:03,545 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2021-11-03 04:07:03,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:07:03,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:07:03,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:07:03,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:07:03,815 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:07:03,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2021-11-03 04:07:03,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data/916318f09/fff7f4bdfd8440b7ac24c19a7caf7f42/FLAG3acdd0940 [2021-11-03 04:07:04,630 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:07:04,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2021-11-03 04:07:04,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data/916318f09/fff7f4bdfd8440b7ac24c19a7caf7f42/FLAG3acdd0940 [2021-11-03 04:07:04,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data/916318f09/fff7f4bdfd8440b7ac24c19a7caf7f42 [2021-11-03 04:07:04,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:07:04,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:07:04,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:07:04,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:07:04,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:07:04,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:04" (1/1) ... [2021-11-03 04:07:04,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4615b463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:04, skipping insertion in model container [2021-11-03 04:07:04,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:04" (1/1) ... [2021-11-03 04:07:04,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:07:04,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:07:05,294 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2021-11-03 04:07:05,305 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2021-11-03 04:07:05,339 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:07:05,347 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:07:06,613 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,613 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,614 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,615 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,616 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,648 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:06,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:07,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:07:07,075 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:07:07,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:07:07,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:07:07,079 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:07:07,080 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:07:07,081 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:07:07,082 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:07:07,083 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:07:07,083 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:07:07,286 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:07:07,303 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1369) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2938) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2101) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:07:07,309 INFO L168 Benchmark]: Toolchain (without parser) took 2576.33 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 52.6 MB in the beginning and 80.4 MB in the end (delta: -27.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:07:07,310 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 49.2 MB in the beginning and 49.1 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:07:07,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2573.46 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 52.2 MB in the beginning and 80.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:07:07,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory was 49.2 MB in the beginning and 49.1 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2573.46 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 52.2 MB in the beginning and 80.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 17.3 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/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_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/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_2a25cff0-9c34-4667-b56a-f36e37e790d5/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 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:07:09,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:07:09,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:07:09,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:07:09,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:07:09,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:07:09,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:07:09,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:07:09,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:07:09,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:07:09,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:07:09,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:07:09,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:07:09,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:07:09,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:07:09,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:07:09,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:07:09,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:07:09,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:07:09,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:07:09,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:07:09,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:07:09,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:07:09,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:07:09,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:07:09,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:07:09,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:07:09,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:07:09,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:07:09,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:07:09,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:07:09,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:07:09,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:07:09,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:07:09,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:07:09,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:07:09,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:07:09,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:07:09,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:07:09,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:07:09,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:07:09,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:07:09,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:07:09,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:07:09,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:07:09,993 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:07:09,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:07:09,993 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:07:09,993 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:07:09,994 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:07:09,994 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:07:09,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:07:09,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:07:09,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:07:09,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:07:09,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:07:09,998 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:07:09,998 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:07:09,998 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:07:09,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:07:09,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:07:09,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:07:09,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:07:09,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:07:09,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:07:10,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:07:10,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:07:10,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:07:10,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:07:10,001 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:07:10,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:07:10,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:07:10,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:07:10,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:07:10,002 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2021-11-03 04:07:10,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:07:10,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:07:10,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:07:10,440 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:07:10,441 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:07:10,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2021-11-03 04:07:10,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data/f9a1595cb/54bc5d7577ad4689ad0d99cb097dbcb8/FLAGe8e01659a [2021-11-03 04:07:11,564 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:07:11,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2021-11-03 04:07:11,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data/f9a1595cb/54bc5d7577ad4689ad0d99cb097dbcb8/FLAGe8e01659a [2021-11-03 04:07:11,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/data/f9a1595cb/54bc5d7577ad4689ad0d99cb097dbcb8 [2021-11-03 04:07:11,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:07:12,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:07:12,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:07:12,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:07:12,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:07:12,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:11" (1/1) ... [2021-11-03 04:07:12,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50adeba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:12, skipping insertion in model container [2021-11-03 04:07:12,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:07:11" (1/1) ... [2021-11-03 04:07:12,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:07:12,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:07:12,487 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2021-11-03 04:07:12,495 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2021-11-03 04:07:12,520 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:07:12,527 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:07:13,698 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,699 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,699 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,700 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,701 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,715 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,716 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,721 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,722 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,723 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:13,724 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,154 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:07:14,155 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:07:14,156 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:07:14,157 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:07:14,159 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:07:14,159 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:07:14,160 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:07:14,161 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:07:14,161 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:07:14,162 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:07:14,320 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:07:14,400 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,418 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,555 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,558 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,561 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,563 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,564 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,564 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,566 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,571 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,585 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,585 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,600 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,601 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,602 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:07:14,687 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:07:14,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:07:14,771 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2021-11-03 04:07:14,771 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2021-11-03 04:07:14,773 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:07:14,774 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:07:14,819 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,819 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,820 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,820 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,821 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,829 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,830 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,832 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,832 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,880 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:07:14,881 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:07:14,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:07:14,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:07:14,884 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:07:14,885 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:07:14,886 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:07:14,886 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:07:14,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:07:14,887 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:07:14,915 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:07:14,933 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,939 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,989 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,990 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,991 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,991 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,991 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,993 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,993 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,994 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,994 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,995 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,995 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,996 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,997 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,998 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:14,999 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,001 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,001 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,046 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,047 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,047 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:07:15,099 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:07:15,127 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2021-11-03 04:07:15,129 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_2a25cff0-9c34-4667-b56a-f36e37e790d5/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2021-11-03 04:07:15,130 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:07:15,132 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:07:15,178 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,179 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,180 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,180 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,181 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,187 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,189 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,190 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,191 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,192 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,193 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,193 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,237 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:07:15,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:07:15,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:07:15,239 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:07:15,240 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:07:15,241 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:07:15,241 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:07:15,242 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:07:15,243 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:07:15,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:07:15,282 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:07:15,301 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,306 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,378 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,378 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,379 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,380 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,380 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,381 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,381 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,382 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,382 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,382 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,383 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,384 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,384 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,384 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,385 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,387 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,388 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,393 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,394 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,394 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:07:15,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:07:15,763 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:07:15,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15 WrapperNode [2021-11-03 04:07:15,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:07:15,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:07:15,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:07:15,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:07:15,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:15,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:07:16,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:07:16,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:07:16,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:07:16,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:07:16,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:07:16,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:07:16,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:07:16,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (1/1) ... [2021-11-03 04:07:16,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:07:16,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:07:16,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:07:16,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:07:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:07:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:07:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:07:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:07:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:07:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:07:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:07:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:07:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:07:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:07:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-03 04:07:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:07:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-03 04:07:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:07:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:07:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:08:00,960 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:08:00,961 INFO L299 CfgBuilder]: Removed 1883 assume(true) statements. [2021-11-03 04:08:00,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:00 BoogieIcfgContainer [2021-11-03 04:08:00,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:08:00,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:08:00,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:08:00,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:08:00,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:07:11" (1/3) ... [2021-11-03 04:08:00,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b7cdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:08:00, skipping insertion in model container [2021-11-03 04:08:00,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:07:15" (2/3) ... [2021-11-03 04:08:00,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b7cdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:08:00, skipping insertion in model container [2021-11-03 04:08:00,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:08:00" (3/3) ... [2021-11-03 04:08:00,976 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2021-11-03 04:08:00,981 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:08:00,981 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 63 error locations. [2021-11-03 04:08:01,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:08:01,046 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:08:01,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2021-11-03 04:08:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 2319 states, 2255 states have (on average 1.4124168514412416) internal successors, (3185), 2318 states have internal predecessors, (3185), 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 04:08:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-03 04:08:01,108 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:08:01,109 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] [2021-11-03 04:08:01,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:08:01,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:08:01,115 INFO L85 PathProgramCache]: Analyzing trace with hash -966206977, now seen corresponding path program 1 times [2021-11-03 04:08:01,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:08:01,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979154844] [2021-11-03 04:08:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:08:01,139 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:08:01,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:08:01,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:08:01,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:08:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:08:05,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:08:05,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:08:05,874 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 04:08:05,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:08:06,082 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 04:08:06,084 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:08:06,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979154844] [2021-11-03 04:08:06,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979154844] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:08:06,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:08:06,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:08:06,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361831005] [2021-11-03 04:08:06,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:08:06,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:08:06,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:08:06,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:08:06,145 INFO L87 Difference]: Start difference. First operand has 2319 states, 2255 states have (on average 1.4124168514412416) internal successors, (3185), 2318 states have internal predecessors, (3185), 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 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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 04:08:06,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:08:06,330 INFO L93 Difference]: Finished difference Result 4632 states and 6363 transitions. [2021-11-03 04:08:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:08:06,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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 64 [2021-11-03 04:08:06,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:08:06,377 INFO L225 Difference]: With dead ends: 4632 [2021-11-03 04:08:06,377 INFO L226 Difference]: Without dead ends: 2314 [2021-11-03 04:08:06,393 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:08:06,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2021-11-03 04:08:06,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2314. [2021-11-03 04:08:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2251 states have (on average 1.3251888049755665) internal successors, (2983), 2313 states have internal predecessors, (2983), 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 04:08:06,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2983 transitions. [2021-11-03 04:08:06,562 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2983 transitions. Word has length 64 [2021-11-03 04:08:06,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:08:06,563 INFO L470 AbstractCegarLoop]: Abstraction has 2314 states and 2983 transitions. [2021-11-03 04:08:06,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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 04:08:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2983 transitions. [2021-11-03 04:08:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-03 04:08:06,575 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:08:06,575 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] [2021-11-03 04:08:06,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:08:06,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:08:06,796 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:08:06,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:08:06,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1823598091, now seen corresponding path program 1 times [2021-11-03 04:08:06,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:08:06,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437613544] [2021-11-03 04:08:06,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:08:06,806 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:08:06,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:08:06,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:08:06,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:08:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:08:10,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-03 04:08:11,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:08:12,328 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:08:12,329 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 04:08:12,707 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 04:08:12,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:08:14,680 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 04:08:14,681 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:08:14,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437613544] [2021-11-03 04:08:14,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437613544] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:08:14,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:08:14,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-03 04:08:14,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882030975] [2021-11-03 04:08:14,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-03 04:08:14,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:08:14,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-03 04:08:14,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:08:14,686 INFO L87 Difference]: Start difference. First operand 2314 states and 2983 transitions. Second operand has 15 states, 15 states have (on average 4.733333333333333) internal successors, (71), 15 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 04:10:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:10:40,203 INFO L93 Difference]: Finished difference Result 4610 states and 5946 transitions. [2021-11-03 04:10:40,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 04:10:40,207 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.733333333333333) internal successors, (71), 15 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 64 [2021-11-03 04:10:40,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:10:40,223 INFO L225 Difference]: With dead ends: 4610 [2021-11-03 04:10:40,224 INFO L226 Difference]: Without dead ends: 2312 [2021-11-03 04:10:40,228 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2021-11-03 04:10:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2021-11-03 04:10:40,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2312. [2021-11-03 04:10:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2249 states have (on average 1.3250333481547354) internal successors, (2980), 2311 states have internal predecessors, (2980), 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 04:10:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 2980 transitions. [2021-11-03 04:10:40,307 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 2980 transitions. Word has length 64 [2021-11-03 04:10:40,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:10:40,308 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 2980 transitions. [2021-11-03 04:10:40,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.733333333333333) internal successors, (71), 15 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 04:10:40,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2980 transitions. [2021-11-03 04:10:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-03 04:10:40,310 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:10:40,310 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] [2021-11-03 04:10:40,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:10:40,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:10:40,536 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:10:40,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:10:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash 569458657, now seen corresponding path program 1 times [2021-11-03 04:10:40,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:10:40,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587593567] [2021-11-03 04:10:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:10:40,541 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:10:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:10:40,542 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:10:40,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:10:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:10:44,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:10:44,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:10:45,383 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 04:10:45,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:10:45,800 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 04:10:45,801 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:10:45,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587593567] [2021-11-03 04:10:45,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587593567] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:10:45,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:10:45,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:10:45,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122448067] [2021-11-03 04:10:45,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:10:45,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:10:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:10:45,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:10:45,804 INFO L87 Difference]: Start difference. First operand 2312 states and 2980 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 04:10:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:10:46,237 INFO L93 Difference]: Finished difference Result 4546 states and 5858 transitions. [2021-11-03 04:10:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:10:46,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 67 [2021-11-03 04:10:46,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:10:46,254 INFO L225 Difference]: With dead ends: 4546 [2021-11-03 04:10:46,255 INFO L226 Difference]: Without dead ends: 2312 [2021-11-03 04:10:46,259 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:10:46,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2021-11-03 04:10:46,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2312. [2021-11-03 04:10:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2249 states have (on average 1.323699421965318) internal successors, (2977), 2311 states have internal predecessors, (2977), 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 04:10:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 2977 transitions. [2021-11-03 04:10:46,357 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 2977 transitions. Word has length 67 [2021-11-03 04:10:46,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:10:46,357 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 2977 transitions. [2021-11-03 04:10:46,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 04:10:46,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2977 transitions. [2021-11-03 04:10:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-03 04:10:46,360 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:10:46,361 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:10:46,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:10:46,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:10:46,584 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:10:46,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:10:46,585 INFO L85 PathProgramCache]: Analyzing trace with hash 172979583, now seen corresponding path program 1 times [2021-11-03 04:10:46,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:10:46,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028042141] [2021-11-03 04:10:46,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:10:46,589 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:10:46,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:10:46,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:10:46,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:10:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:10:50,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:10:50,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:10:51,477 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 04:10:51,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:10:51,977 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 04:10:51,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:10:51,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028042141] [2021-11-03 04:10:51,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028042141] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:10:51,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:10:51,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 04:10:51,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677833709] [2021-11-03 04:10:51,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:10:51,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:10:51,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:10:51,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:10:51,980 INFO L87 Difference]: Start difference. First operand 2312 states and 2977 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 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 04:11:00,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:00,471 INFO L93 Difference]: Finished difference Result 5245 states and 6721 transitions. [2021-11-03 04:11:00,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:11:00,472 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 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 75 [2021-11-03 04:11:00,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:00,491 INFO L225 Difference]: With dead ends: 5245 [2021-11-03 04:11:00,492 INFO L226 Difference]: Without dead ends: 2979 [2021-11-03 04:11:00,497 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:11:00,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2021-11-03 04:11:00,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2312. [2021-11-03 04:11:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2249 states have (on average 1.3223654957759003) internal successors, (2974), 2311 states have internal predecessors, (2974), 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 04:11:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 2974 transitions. [2021-11-03 04:11:00,604 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 2974 transitions. Word has length 75 [2021-11-03 04:11:00,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:00,605 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 2974 transitions. [2021-11-03 04:11:00,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 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 04:11:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2974 transitions. [2021-11-03 04:11:00,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-03 04:11:00,606 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:00,607 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] [2021-11-03 04:11:00,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:11:00,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:11:00,832 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:11:00,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:00,833 INFO L85 PathProgramCache]: Analyzing trace with hash 849446455, now seen corresponding path program 1 times [2021-11-03 04:11:00,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:11:00,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082213264] [2021-11-03 04:11:00,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:00,837 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:11:00,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:11:00,839 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:11:00,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:11:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:05,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1775 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 04:11:05,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:06,210 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 04:11:06,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:06,757 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 04:11:06,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:11:06,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082213264] [2021-11-03 04:11:06,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082213264] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:06,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:06,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:11:06,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125027702] [2021-11-03 04:11:06,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:11:06,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:11:06,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:11:06,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:11:06,760 INFO L87 Difference]: Start difference. First operand 2312 states and 2974 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 04:11:08,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:08,264 INFO L93 Difference]: Finished difference Result 5253 states and 6736 transitions. [2021-11-03 04:11:08,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:11:08,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 91 [2021-11-03 04:11:08,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:08,285 INFO L225 Difference]: With dead ends: 5253 [2021-11-03 04:11:08,285 INFO L226 Difference]: Without dead ends: 3018 [2021-11-03 04:11:08,290 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 177 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 04:11:08,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3018 states. [2021-11-03 04:11:08,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3018 to 2312. [2021-11-03 04:11:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2249 states have (on average 1.321031569586483) internal successors, (2971), 2311 states have internal predecessors, (2971), 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 04:11:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 2971 transitions. [2021-11-03 04:11:08,414 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 2971 transitions. Word has length 91 [2021-11-03 04:11:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:08,418 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 2971 transitions. [2021-11-03 04:11:08,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 04:11:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2971 transitions. [2021-11-03 04:11:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-03 04:11:08,429 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:08,430 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] [2021-11-03 04:11:08,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:11:08,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:11:08,656 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:11:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:08,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1620600231, now seen corresponding path program 1 times [2021-11-03 04:11:08,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:11:08,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807480857] [2021-11-03 04:11:08,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:08,662 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:11:08,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:11:08,664 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:11:08,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:11:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:13,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:11:13,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:14,102 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 04:11:14,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:14,776 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 04:11:14,777 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:11:14,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807480857] [2021-11-03 04:11:14,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807480857] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:14,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:14,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-03 04:11:14,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776059911] [2021-11-03 04:11:14,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:11:14,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:11:14,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:11:14,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:11:14,779 INFO L87 Difference]: Start difference. First operand 2312 states and 2971 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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 04:11:24,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:24,454 INFO L93 Difference]: Finished difference Result 5269 states and 6754 transitions. [2021-11-03 04:11:24,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:11:24,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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 115 [2021-11-03 04:11:24,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:24,472 INFO L225 Difference]: With dead ends: 5269 [2021-11-03 04:11:24,472 INFO L226 Difference]: Without dead ends: 3018 [2021-11-03 04:11:24,477 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:11:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3018 states. [2021-11-03 04:11:24,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3018 to 2312. [2021-11-03 04:11:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2249 states have (on average 1.3196976433970653) internal successors, (2968), 2311 states have internal predecessors, (2968), 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 04:11:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 2968 transitions. [2021-11-03 04:11:24,595 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 2968 transitions. Word has length 115 [2021-11-03 04:11:24,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:24,596 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 2968 transitions. [2021-11-03 04:11:24,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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 04:11:24,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2968 transitions. [2021-11-03 04:11:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-03 04:11:24,598 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:24,599 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] [2021-11-03 04:11:24,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:11:24,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:11:24,824 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:11:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:24,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1544233633, now seen corresponding path program 1 times [2021-11-03 04:11:24,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:11:24,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769408912] [2021-11-03 04:11:24,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:24,830 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:11:24,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:11:24,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:11:24,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:11:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:30,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:11:30,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:30,809 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 04:11:30,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:31,313 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 04:11:31,314 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:11:31,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [769408912] [2021-11-03 04:11:31,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [769408912] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:31,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:31,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:11:31,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140264455] [2021-11-03 04:11:31,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:11:31,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:11:31,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:11:31,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:11:31,317 INFO L87 Difference]: Start difference. First operand 2312 states and 2968 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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 04:11:33,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:33,297 INFO L93 Difference]: Finished difference Result 6633 states and 8498 transitions. [2021-11-03 04:11:33,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:11:33,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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 131 [2021-11-03 04:11:33,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:33,318 INFO L225 Difference]: With dead ends: 6633 [2021-11-03 04:11:33,319 INFO L226 Difference]: Without dead ends: 4397 [2021-11-03 04:11:33,323 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 257 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 04:11:33,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2021-11-03 04:11:33,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 2372. [2021-11-03 04:11:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 2309 states have (on average 1.3200519705500215) internal successors, (3048), 2371 states have internal predecessors, (3048), 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 04:11:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3048 transitions. [2021-11-03 04:11:33,467 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3048 transitions. Word has length 131 [2021-11-03 04:11:33,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:33,468 INFO L470 AbstractCegarLoop]: Abstraction has 2372 states and 3048 transitions. [2021-11-03 04:11:33,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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 04:11:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3048 transitions. [2021-11-03 04:11:33,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-03 04:11:33,469 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:11:33,469 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] [2021-11-03 04:11:33,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:11:33,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:11:33,670 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:11:33,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:33,671 INFO L85 PathProgramCache]: Analyzing trace with hash -871602717, now seen corresponding path program 1 times [2021-11-03 04:11:33,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:11:33,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291376727] [2021-11-03 04:11:33,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:33,675 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:11:33,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:11:33,676 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:11:33,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 04:11:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:39,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:11:39,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:11:40,455 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 04:11:40,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:11:41,293 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 04:11:41,294 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:11:41,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291376727] [2021-11-03 04:11:41,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291376727] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:41,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:41,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-03 04:11:41,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408402018] [2021-11-03 04:11:41,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:11:41,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:11:41,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:11:41,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:11:41,296 INFO L87 Difference]: Start difference. First operand 2372 states and 3048 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 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 04:18:49,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:49,330 INFO L93 Difference]: Finished difference Result 6633 states and 8492 transitions. [2021-11-03 04:18:49,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 04:18:49,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 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 131 [2021-11-03 04:18:49,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:49,352 INFO L225 Difference]: With dead ends: 6633 [2021-11-03 04:18:49,353 INFO L226 Difference]: Without dead ends: 4334 [2021-11-03 04:18:49,355 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 254 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 04:18:49,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4334 states. [2021-11-03 04:18:49,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4334 to 2372. [2021-11-03 04:18:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 2309 states have (on average 1.3157210913815505) internal successors, (3038), 2371 states have internal predecessors, (3038), 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 04:18:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3038 transitions. [2021-11-03 04:18:49,496 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3038 transitions. Word has length 131 [2021-11-03 04:18:49,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:49,497 INFO L470 AbstractCegarLoop]: Abstraction has 2372 states and 3038 transitions. [2021-11-03 04:18:49,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 8 states have internal predecessors, (134), 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 04:18:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3038 transitions. [2021-11-03 04:18:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-03 04:18:49,500 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:49,500 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] [2021-11-03 04:18:49,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:49,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:49,728 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-03 04:18:49,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:49,729 INFO L85 PathProgramCache]: Analyzing trace with hash 695155233, now seen corresponding path program 1 times [2021-11-03 04:18:49,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:49,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892959064] [2021-11-03 04:18:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:49,732 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:49,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:49,733 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:49,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a25cff0-9c34-4667-b56a-f36e37e790d5/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 04:18:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:54,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 1959 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:18:54,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:56,077 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 04:18:56,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:56,967 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 04:18:56,967 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:56,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892959064] [2021-11-03 04:18:56,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892959064] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:56,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:56,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-03 04:18:56,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897834363] [2021-11-03 04:18:56,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 04:18:56,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:56,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 04:18:56,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:18:56,969 INFO L87 Difference]: Start difference. First operand 2372 states and 3038 transitions. Second operand has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 9 states have internal predecessors, (134), 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)