./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/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 6e8329de8885610e11451d8b1311f161005fbaac7c4b7180f37a9501d850f1ce --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:40:02,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:40:02,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:40:02,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:40:02,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:40:02,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:40:02,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:40:02,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:40:02,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:40:02,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:40:02,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:40:02,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:40:02,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:40:02,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:40:02,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:40:02,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:40:02,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:40:02,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:40:02,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:40:02,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:40:02,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:40:02,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:02,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:02,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:02,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:02,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:02,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:02,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:02,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:02,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:02,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:02,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:02,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:02,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:02,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:02,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:02,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:02,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:02,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:02,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:02,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:02,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:40:02,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:02,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:02,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:02,714 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:02,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:02,714 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:02,714 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:40:02,715 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:02,721 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:02,721 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:40:02,722 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:40:02,723 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:02,723 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:40:02,723 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:40:02,723 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:40:02,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:02,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:40:02,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:02,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:02,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:02,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:02,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:02,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:02,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:02,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:02,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:02,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:02,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:02,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:02,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:02,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:02,730 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:40:02,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:40:02,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:02,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:02,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:02,731 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e8329de8885610e11451d8b1311f161005fbaac7c4b7180f37a9501d850f1ce [2021-11-03 03:40:03,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:03,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:03,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:03,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:03,080 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:03,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i [2021-11-03 03:40:03,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data/32d2c4a08/329d64968b71410e8e8310c458604414/FLAG93750c10d [2021-11-03 03:40:04,105 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:04,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i [2021-11-03 03:40:04,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data/32d2c4a08/329d64968b71410e8e8310c458604414/FLAG93750c10d [2021-11-03 03:40:04,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data/32d2c4a08/329d64968b71410e8e8310c458604414 [2021-11-03 03:40:04,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:04,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:04,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:04,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:04,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:04,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:04" (1/1) ... [2021-11-03 03:40:04,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e1ada1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:04, skipping insertion in model container [2021-11-03 03:40:04,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:04" (1/1) ... [2021-11-03 03:40:04,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:04,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:04,960 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i[4492,4505] [2021-11-03 03:40:04,967 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i[4552,4565] [2021-11-03 03:40:04,992 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:40:04,998 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:40:06,062 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,071 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,072 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,073 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,100 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,104 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,105 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,108 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:06,577 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:40:06,579 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:40:06,580 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:40:06,581 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:40:06,582 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:40:06,583 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:40:06,588 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:40:06,589 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:40:06,589 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:40:06,590 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:40:06,770 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:40:06,787 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1369) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2938) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2101) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:40:06,793 INFO L168 Benchmark]: Toolchain (without parser) took 2302.10 ms. Allocated memory is still 134.2 MB. Free memory was 99.5 MB in the beginning and 73.0 MB in the end (delta: 26.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:06,794 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 134.2 MB. Free memory was 90.2 MB in the beginning and 90.2 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:40:06,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2299.82 ms. Allocated memory is still 134.2 MB. Free memory was 99.2 MB in the beginning and 73.0 MB in the end (delta: 26.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:06,797 INFO L339 ainManager$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 134.2 MB. Free memory was 90.2 MB in the beginning and 90.2 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2299.82 ms. Allocated memory is still 134.2 MB. Free memory was 99.2 MB in the beginning and 73.0 MB in the end (delta: 26.3 MB). Peak memory consumption was 25.2 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/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 6e8329de8885610e11451d8b1311f161005fbaac7c4b7180f37a9501d850f1ce --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:40:09,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:40:09,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:40:09,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:40:09,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:40:09,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:40:09,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:40:09,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:40:09,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:40:09,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:40:09,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:40:09,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:40:09,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:40:09,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:40:09,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:40:09,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:40:09,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:40:09,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:40:09,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:40:09,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:40:09,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:40:09,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:09,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:09,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:09,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:09,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:09,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:09,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:09,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:09,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:09,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:09,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:09,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:09,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:09,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:09,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:09,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:09,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:09,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:09,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:09,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:09,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:40:09,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:09,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:09,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:09,374 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:09,374 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:09,375 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:09,375 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:09,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:09,375 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:09,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:09,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:09,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:09,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:09,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:09,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:09,378 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:40:09,378 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:40:09,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:09,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:09,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:09,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:09,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:40:09,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:09,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:09,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:09,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:09,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:09,381 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:40:09,381 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:40:09,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:09,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:09,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:09,382 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e8329de8885610e11451d8b1311f161005fbaac7c4b7180f37a9501d850f1ce [2021-11-03 03:40:09,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:09,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:09,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:09,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:09,777 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:09,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i [2021-11-03 03:40:09,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data/636389922/52e7ae94128e4834a096d47a1b30aac9/FLAG8ede4609d [2021-11-03 03:40:10,805 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:10,810 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i [2021-11-03 03:40:10,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data/636389922/52e7ae94128e4834a096d47a1b30aac9/FLAG8ede4609d [2021-11-03 03:40:11,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/data/636389922/52e7ae94128e4834a096d47a1b30aac9 [2021-11-03 03:40:11,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:11,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:11,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:11,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:11,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:11,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:11" (1/1) ... [2021-11-03 03:40:11,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365abdad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:11, skipping insertion in model container [2021-11-03 03:40:11,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:11" (1/1) ... [2021-11-03 03:40:11,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:11,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:11,598 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i[4492,4505] [2021-11-03 03:40:11,613 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i[4552,4565] [2021-11-03 03:40:11,645 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:40:11,655 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:40:13,097 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,098 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,099 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,101 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,103 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,138 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,140 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,142 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,144 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:13,746 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:40:13,748 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:40:13,749 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:40:13,750 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:40:13,752 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:40:13,753 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:40:13,754 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:40:13,754 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:40:13,755 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:40:13,756 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:40:14,002 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:40:14,153 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,153 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:14,318 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:40:14,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:14,391 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i[4492,4505] [2021-11-03 03:40:14,391 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i[4552,4565] [2021-11-03 03:40:14,393 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:40:14,393 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:40:14,449 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,450 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,450 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,451 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,451 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,463 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,512 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:40:14,512 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:40:14,513 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:40:14,514 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:40:14,515 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:40:14,516 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:40:14,517 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:40:14,517 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:40:14,518 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:40:14,519 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:40:14,553 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:40:14,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:14,750 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:40:14,776 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i[4492,4505] [2021-11-03 03:40:14,777 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_b8a4fb1e-5293-4aa6-adc4-46aea595996c/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness-1.i[4552,4565] [2021-11-03 03:40:14,779 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:40:14,779 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:40:14,826 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,826 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,827 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,827 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,828 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,872 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:40:14,873 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:40:14,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:40:14,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:40:14,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:40:14,876 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:40:14,876 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:40:14,877 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:40:14,877 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:40:14,878 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:40:14,906 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:40:14,996 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:14,997 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:40:15,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:15,446 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:40:15,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15 WrapperNode [2021-11-03 03:40:15,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:15,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:15,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:40:15,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:40:15,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:15,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:40:15,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:40:15,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:40:15,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:40:15,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:40:15,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:40:15,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:40:15,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (1/1) ... [2021-11-03 03:40:15,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:15,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:40:15,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:40:15,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:40:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:40:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:40:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:40:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:40:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:40:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:40:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:40:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:40:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:40:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:40:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:40:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:40:29,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:40:29,312 INFO L299 CfgBuilder]: Removed 73 assume(true) statements. [2021-11-03 03:40:29,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:29 BoogieIcfgContainer [2021-11-03 03:40:29,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:40:29,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:40:29,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:40:29,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:40:29,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:40:11" (1/3) ... [2021-11-03 03:40:29,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfa190c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:29, skipping insertion in model container [2021-11-03 03:40:29,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:15" (2/3) ... [2021-11-03 03:40:29,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfa190c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:40:29, skipping insertion in model container [2021-11-03 03:40:29,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:40:29" (3/3) ... [2021-11-03 03:40:29,326 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_harness-1.i [2021-11-03 03:40:29,333 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:40:29,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-03 03:40:29,401 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:40:29,418 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:40:29,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-03 03:40:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 80 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 03:40:29,446 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:40:29,447 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] [2021-11-03 03:40:29,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 03:40:29,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:40:29,454 INFO L85 PathProgramCache]: Analyzing trace with hash 857180983, now seen corresponding path program 1 times [2021-11-03 03:40:29,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:40:29,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062978913] [2021-11-03 03:40:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:40:29,480 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:40:29,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:40:29,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:40:29,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:40:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:40:33,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:40:33,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:40:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:40:33,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:40:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:40:34,040 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:40:34,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062978913] [2021-11-03 03:40:34,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062978913] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:40:34,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:40:34,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:40:34,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088869692] [2021-11-03 03:40:34,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:40:34,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:40:34,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:40:34,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:40:34,065 INFO L87 Difference]: Start difference. First operand has 81 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 80 states have internal predecessors, (113), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:34,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:40:34,089 INFO L93 Difference]: Finished difference Result 159 states and 222 transitions. [2021-11-03 03:40:34,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:40:34,090 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2021-11-03 03:40:34,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:40:34,100 INFO L225 Difference]: With dead ends: 159 [2021-11-03 03:40:34,100 INFO L226 Difference]: Without dead ends: 75 [2021-11-03 03:40:34,103 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:40:34,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-03 03:40:34,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-03 03:40:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 74 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2021-11-03 03:40:34,142 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 30 [2021-11-03 03:40:34,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:40:34,143 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2021-11-03 03:40:34,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2021-11-03 03:40:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 03:40:34,145 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:40:34,145 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] [2021-11-03 03:40:34,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-03 03:40:34,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:40:34,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 03:40:34,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:40:34,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1256337345, now seen corresponding path program 1 times [2021-11-03 03:40:34,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:40:34,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827629782] [2021-11-03 03:40:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:40:34,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:40:34,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:40:34,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:40:34,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:40:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:40:38,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 03:40:38,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:40:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:40:38,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:40:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:40:38,808 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:40:38,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827629782] [2021-11-03 03:40:38,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827629782] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:40:38,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:40:38,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:40:38,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087941355] [2021-11-03 03:40:38,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:40:38,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:40:38,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:40:38,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:40:38,813 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:38,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:40:38,971 INFO L93 Difference]: Finished difference Result 175 states and 205 transitions. [2021-11-03 03:40:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:40:38,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2021-11-03 03:40:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:40:38,974 INFO L225 Difference]: With dead ends: 175 [2021-11-03 03:40:38,974 INFO L226 Difference]: Without dead ends: 128 [2021-11-03 03:40:38,975 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:40:38,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-03 03:40:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-03 03:40:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 76 states have (on average 1.236842105263158) internal successors, (94), 80 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2021-11-03 03:40:38,987 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 30 [2021-11-03 03:40:38,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:40:38,988 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2021-11-03 03:40:38,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2021-11-03 03:40:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 03:40:38,990 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:40:38,990 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] [2021-11-03 03:40:39,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:40:39,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:40:39,204 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 03:40:39,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:40:39,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1044485245, now seen corresponding path program 1 times [2021-11-03 03:40:39,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:40:39,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850383935] [2021-11-03 03:40:39,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:40:39,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:40:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:40:39,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:40:39,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:40:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:40:43,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1740 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 03:40:43,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:40:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:40:43,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:40:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:40:43,993 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:40:43,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850383935] [2021-11-03 03:40:43,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850383935] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:40:43,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:40:43,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-03 03:40:43,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793930833] [2021-11-03 03:40:43,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 03:40:43,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:40:43,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 03:40:43,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:40:43,996 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:40:44,335 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2021-11-03 03:40:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:40:44,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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 30 [2021-11-03 03:40:44,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:40:44,337 INFO L225 Difference]: With dead ends: 128 [2021-11-03 03:40:44,337 INFO L226 Difference]: Without dead ends: 75 [2021-11-03 03:40:44,338 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:40:44,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-03 03:40:44,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-03 03:40:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 74 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:44,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2021-11-03 03:40:44,345 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 30 [2021-11-03 03:40:44,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:40:44,345 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2021-11-03 03:40:44,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:40:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-03 03:40:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 03:40:44,347 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:40:44,348 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] [2021-11-03 03:40:44,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:40:44,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:40:44,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 03:40:44,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:40:44,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1966230668, now seen corresponding path program 1 times [2021-11-03 03:40:44,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:40:44,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136768273] [2021-11-03 03:40:44,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:40:44,568 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:40:44,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:40:44,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:40:44,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a4fb1e-5293-4aa6-adc4-46aea595996c/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process