./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/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 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:58:09,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:58:09,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:58:09,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:58:09,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:58:09,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:58:09,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:58:09,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:58:09,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:58:09,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:58:09,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:58:09,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:58:09,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:58:09,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:58:09,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:58:09,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:58:09,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:58:09,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:58:09,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:58:09,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:58:09,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:58:09,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:58:09,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:58:09,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:58:09,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:58:09,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:58:09,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:58:09,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:58:09,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:58:09,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:58:09,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:58:09,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:58:09,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:58:09,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:58:09,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:58:09,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:58:09,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:58:09,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:58:09,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:58:09,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:58:09,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:58:09,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:58:09,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:58:09,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:58:09,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:58:09,196 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:58:09,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:58:09,196 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:58:09,196 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:58:09,196 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:58:09,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:58:09,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:58:09,204 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:58:09,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:58:09,205 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:58:09,205 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:58:09,205 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:58:09,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:58:09,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:58:09,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:58:09,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:58:09,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:58:09,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:58:09,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:58:09,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:58:09,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:58:09,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:58:09,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:58:09,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:58:09,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:58:09,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:58:09,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:58:09,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:58:09,210 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:58:09,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:58:09,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:58:09,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:58:09,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:58:09,211 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2021-11-03 03:58:09,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:58:09,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:58:09,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:58:09,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:58:09,515 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:58:09,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2021-11-03 03:58:09,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data/48c241f71/d9b3498441d44c4c9aa32ca42c663ef7/FLAG8eef51a24 [2021-11-03 03:58:10,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:58:10,406 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2021-11-03 03:58:10,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data/48c241f71/d9b3498441d44c4c9aa32ca42c663ef7/FLAG8eef51a24 [2021-11-03 03:58:10,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data/48c241f71/d9b3498441d44c4c9aa32ca42c663ef7 [2021-11-03 03:58:10,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:58:10,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:58:10,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:58:10,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:58:10,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:58:10,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:10" (1/1) ... [2021-11-03 03:58:10,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dae79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:10, skipping insertion in model container [2021-11-03 03:58:10,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:10" (1/1) ... [2021-11-03 03:58:10,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:58:11,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:58:11,329 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2021-11-03 03:58:11,336 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2021-11-03 03:58:11,360 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:58:11,366 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:58:12,262 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:58:12,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,344 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,344 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,345 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,359 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,360 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,362 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,363 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,365 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,366 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,367 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,367 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:12,755 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:58:12,756 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:58:12,758 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:58:12,759 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:58:12,761 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:58:12,762 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:58:12,763 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:58:12,764 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:58:12,764 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:58:12,765 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:58:12,926 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:58:12,933 INFO L168 Benchmark]: Toolchain (without parser) took 2017.71 ms. Allocated memory is still 100.7 MB. Free memory was 74.1 MB in the beginning and 45.7 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-11-03 03:58:12,933 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory is still 76.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:58:12,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2015.30 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 45.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-11-03 03:58:12,936 INFO L339 ainManager$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 100.7 MB. Free memory is still 76.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2015.30 ms. Allocated memory is still 100.7 MB. Free memory was 73.8 MB in the beginning and 45.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.9 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/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 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:58:15,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:58:15,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:58:15,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:58:15,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:58:15,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:58:15,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:58:15,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:58:15,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:58:15,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:58:15,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:58:15,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:58:15,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:58:15,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:58:15,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:58:15,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:58:15,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:58:15,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:58:15,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:58:15,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:58:15,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:58:15,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:58:15,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:58:15,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:58:15,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:58:15,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:58:15,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:58:15,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:58:15,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:58:15,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:58:15,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:58:15,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:58:15,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:58:15,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:58:15,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:58:15,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:58:15,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:58:15,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:58:15,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:58:15,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:58:15,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:58:15,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:58:15,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:58:15,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:58:15,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:58:15,414 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:58:15,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:58:15,415 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:58:15,415 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:58:15,415 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:58:15,415 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:58:15,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:58:15,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:58:15,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:58:15,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:58:15,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:58:15,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:58:15,419 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:58:15,420 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:58:15,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:58:15,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:58:15,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:58:15,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:58:15,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:58:15,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:58:15,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:58:15,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:58:15,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:58:15,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:58:15,422 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:58:15,423 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:58:15,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:58:15,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:58:15,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:58:15,424 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2021-11-03 03:58:15,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:58:15,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:58:15,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:58:15,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:58:15,828 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:58:15,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2021-11-03 03:58:15,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data/c2918a012/769eb7541bf14273a3c98504a596ff52/FLAG1176985d5 [2021-11-03 03:58:16,800 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:58:16,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2021-11-03 03:58:16,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data/c2918a012/769eb7541bf14273a3c98504a596ff52/FLAG1176985d5 [2021-11-03 03:58:17,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/data/c2918a012/769eb7541bf14273a3c98504a596ff52 [2021-11-03 03:58:17,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:58:17,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:58:17,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:58:17,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:58:17,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:58:17,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:17" (1/1) ... [2021-11-03 03:58:17,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caab973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:17, skipping insertion in model container [2021-11-03 03:58:17,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:17" (1/1) ... [2021-11-03 03:58:17,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:58:17,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:58:17,760 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2021-11-03 03:58:17,766 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2021-11-03 03:58:17,791 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:58:17,797 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:58:18,694 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:58:18,771 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,772 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,773 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,774 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,775 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,795 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,796 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,798 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,799 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,800 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:18,801 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:58:19,239 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:58:19,240 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:58:19,242 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:58:19,243 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:58:19,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:58:19,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:58:19,246 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:58:19,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:58:19,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:58:19,466 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,474 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:58:19,584 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:58:19,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:58:19,657 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2021-11-03 03:58:19,658 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2021-11-03 03:58:19,666 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:58:19,667 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:58:19,738 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:58:19,771 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,778 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,778 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,797 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,798 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,799 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,801 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,802 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,808 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,808 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,894 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:58:19,895 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:58:19,896 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:58:19,897 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:58:19,898 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:58:19,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:58:19,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:58:19,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:58:19,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:58:19,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:58:19,965 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,971 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:19,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:58:20,011 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:58:20,024 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2021-11-03 03:58:20,025 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_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2021-11-03 03:58:20,026 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:58:20,027 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:58:20,105 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:58:20,126 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,126 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,127 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,127 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,128 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,134 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,136 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,137 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,137 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,138 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,139 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,139 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,140 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,184 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:58:20,185 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:58:20,186 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:58:20,187 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:58:20,187 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:58:20,188 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:58:20,188 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:58:20,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:58:20,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:58:20,190 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:58:20,215 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,220 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:58:20,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:58:20,638 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:58:20,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20 WrapperNode [2021-11-03 03:58:20,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:58:20,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:58:20,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:58:20,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:58:20,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:20,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:20,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:58:20,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:58:20,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:58:20,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:58:20,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:20,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:20,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:20,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:20,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:20,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:20,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:21,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:58:21,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:58:21,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:58:21,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:58:21,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (1/1) ... [2021-11-03 03:58:21,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:58:21,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:58:21,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:58:21,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:58:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:58:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:58:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:58:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:58:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:58:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:58:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:58:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:58:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:58:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:58:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:58:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-03 03:58:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:58:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:58:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:58:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:58:37,811 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:58:37,811 INFO L299 CfgBuilder]: Removed 229 assume(true) statements. [2021-11-03 03:58:37,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:58:37 BoogieIcfgContainer [2021-11-03 03:58:37,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:58:37,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:58:37,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:58:37,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:58:37,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:58:17" (1/3) ... [2021-11-03 03:58:37,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86d475b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:58:37, skipping insertion in model container [2021-11-03 03:58:37,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:20" (2/3) ... [2021-11-03 03:58:37,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86d475b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:58:37, skipping insertion in model container [2021-11-03 03:58:37,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:58:37" (3/3) ... [2021-11-03 03:58:37,821 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2021-11-03 03:58:37,827 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:58:37,827 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2021-11-03 03:58:37,877 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:58:37,883 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 03:58:37,884 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-03 03:58:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 278 states, 264 states have (on average 1.4166666666666667) internal successors, (374), 277 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 03:58:37,913 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:58:37,914 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] [2021-11-03 03:58:37,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-03 03:58:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:58:37,921 INFO L85 PathProgramCache]: Analyzing trace with hash 949117531, now seen corresponding path program 1 times [2021-11-03 03:58:37,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:58:37,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353578764] [2021-11-03 03:58:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:58:37,952 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:58:37,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:58:37,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:58:37,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:58:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:41,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:58:41,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:42,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:58:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:42,615 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:58:42,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353578764] [2021-11-03 03:58:42,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353578764] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:58:42,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:58:42,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:58:42,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789171318] [2021-11-03 03:58:42,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:58:42,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:58:42,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:58:42,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:58:42,649 INFO L87 Difference]: Start difference. First operand has 278 states, 264 states have (on average 1.4166666666666667) internal successors, (374), 277 states have internal predecessors, (374), 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 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:42,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:58:42,696 INFO L93 Difference]: Finished difference Result 552 states and 743 transitions. [2021-11-03 03:58:42,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:58:42,698 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-03 03:58:42,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:58:42,710 INFO L225 Difference]: With dead ends: 552 [2021-11-03 03:58:42,710 INFO L226 Difference]: Without dead ends: 271 [2021-11-03 03:58:42,714 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 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 03:58:42,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-11-03 03:58:42,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2021-11-03 03:58:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 258 states have (on average 1.2868217054263567) internal successors, (332), 270 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 332 transitions. [2021-11-03 03:58:42,765 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 332 transitions. Word has length 51 [2021-11-03 03:58:42,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:58:42,765 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 332 transitions. [2021-11-03 03:58:42,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 332 transitions. [2021-11-03 03:58:42,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 03:58:42,768 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:58:42,769 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] [2021-11-03 03:58:42,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-03 03:58:42,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:58:42,983 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-03 03:58:42,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:58:42,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1385000845, now seen corresponding path program 1 times [2021-11-03 03:58:42,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:58:42,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680599495] [2021-11-03 03:58:42,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:58:42,988 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:58:42,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:58:42,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:58:42,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:58:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:46,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:58:46,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:47,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:58:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:47,350 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:58:47,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680599495] [2021-11-03 03:58:47,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [680599495] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:58:47,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:58:47,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:58:47,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930400103] [2021-11-03 03:58:47,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:58:47,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:58:47,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:58:47,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:58:47,355 INFO L87 Difference]: Start difference. First operand 271 states and 332 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:47,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:58:47,445 INFO L93 Difference]: Finished difference Result 529 states and 649 transitions. [2021-11-03 03:58:47,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:58:47,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-03 03:58:47,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:58:47,450 INFO L225 Difference]: With dead ends: 529 [2021-11-03 03:58:47,450 INFO L226 Difference]: Without dead ends: 272 [2021-11-03 03:58:47,452 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:58:47,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-11-03 03:58:47,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2021-11-03 03:58:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 259 states have (on average 1.2857142857142858) internal successors, (333), 271 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 333 transitions. [2021-11-03 03:58:47,477 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 333 transitions. Word has length 51 [2021-11-03 03:58:47,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:58:47,478 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 333 transitions. [2021-11-03 03:58:47,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:47,481 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 333 transitions. [2021-11-03 03:58:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 03:58:47,490 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:58:47,490 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] [2021-11-03 03:58:47,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-03 03:58:47,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:58:47,692 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-03 03:58:47,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:58:47,693 INFO L85 PathProgramCache]: Analyzing trace with hash -543271857, now seen corresponding path program 1 times [2021-11-03 03:58:47,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:58:47,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764487153] [2021-11-03 03:58:47,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:58:47,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:58:47,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:58:47,698 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:58:47,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:58:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:51,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 03:58:51,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:52,657 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-11-03 03:58:52,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 203 treesize of output 59 [2021-11-03 03:58:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:53,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:58:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:54,268 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:58:54,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764487153] [2021-11-03 03:58:54,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764487153] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:58:54,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:58:54,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-03 03:58:54,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554370682] [2021-11-03 03:58:54,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 03:58:54,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:58:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 03:58:54,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-03 03:58:54,272 INFO L87 Difference]: Start difference. First operand 272 states and 333 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:00:12,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:00:12,271 INFO L93 Difference]: Finished difference Result 771 states and 946 transitions. [2021-11-03 04:00:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:00:12,275 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-03 04:00:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:00:12,279 INFO L225 Difference]: With dead ends: 771 [2021-11-03 04:00:12,279 INFO L226 Difference]: Without dead ends: 514 [2021-11-03 04:00:12,280 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:00:12,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2021-11-03 04:00:12,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 268. [2021-11-03 04:00:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 255 states have (on average 1.2862745098039217) internal successors, (328), 267 states have internal predecessors, (328), 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 04:00:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 328 transitions. [2021-11-03 04:00:12,298 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 328 transitions. Word has length 51 [2021-11-03 04:00:12,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:00:12,298 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 328 transitions. [2021-11-03 04:00:12,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:00:12,299 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 328 transitions. [2021-11-03 04:00:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:00:12,301 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:00:12,301 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] [2021-11-03 04:00:12,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:00:12,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:00:12,523 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-03 04:00:12,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:00:12,523 INFO L85 PathProgramCache]: Analyzing trace with hash 559640229, now seen corresponding path program 1 times [2021-11-03 04:00:12,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:00:12,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185337201] [2021-11-03 04:00:12,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:00:12,527 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:00:12,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:00:12,528 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:00:12,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:00:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:00:16,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1621 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:00:16,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:00:16,636 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 04:00:16,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:00:16,895 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 04:00:16,896 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:00:16,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185337201] [2021-11-03 04:00:16,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185337201] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:00:16,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:00:16,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:00:16,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717754616] [2021-11-03 04:00:16,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:00:16,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:00:16,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:00:16,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:00:16,898 INFO L87 Difference]: Start difference. First operand 268 states and 328 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 04:00:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:00:17,811 INFO L93 Difference]: Finished difference Result 508 states and 621 transitions. [2021-11-03 04:00:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:00:17,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 54 [2021-11-03 04:00:17,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:00:17,814 INFO L225 Difference]: With dead ends: 508 [2021-11-03 04:00:17,814 INFO L226 Difference]: Without dead ends: 268 [2021-11-03 04:00:17,815 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 04:00:17,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-03 04:00:17,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2021-11-03 04:00:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 255 states have (on average 1.2705882352941176) internal successors, (324), 267 states have internal predecessors, (324), 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 04:00:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 324 transitions. [2021-11-03 04:00:17,827 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 324 transitions. Word has length 54 [2021-11-03 04:00:17,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:00:17,827 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 324 transitions. [2021-11-03 04:00:17,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 04:00:17,828 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 324 transitions. [2021-11-03 04:00:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-03 04:00:17,831 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:00:17,831 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] [2021-11-03 04:00:17,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:00:18,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:00:18,046 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-03 04:00:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:00:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1452650671, now seen corresponding path program 1 times [2021-11-03 04:00:18,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:00:18,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912940775] [2021-11-03 04:00:18,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:00:18,052 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:00:18,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:00:18,053 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:00:18,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:00:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:00:22,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 1798 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:00:22,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:00:23,015 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 04:00:23,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:00:23,434 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 04:00:23,434 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:00:23,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912940775] [2021-11-03 04:00:23,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912940775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:00:23,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:00:23,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-03 04:00:23,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067840022] [2021-11-03 04:00:23,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:00:23,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:00:23,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:00:23,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:00:23,436 INFO L87 Difference]: Start difference. First operand 268 states and 324 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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 04:00:23,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:00:23,715 INFO L93 Difference]: Finished difference Result 707 states and 855 transitions. [2021-11-03 04:00:23,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:00:23,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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 78 [2021-11-03 04:00:23,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:00:23,720 INFO L225 Difference]: With dead ends: 707 [2021-11-03 04:00:23,720 INFO L226 Difference]: Without dead ends: 501 [2021-11-03 04:00:23,721 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:00:23,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2021-11-03 04:00:23,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 292. [2021-11-03 04:00:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 279 states have (on average 1.2652329749103943) internal successors, (353), 291 states have internal predecessors, (353), 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 04:00:23,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 353 transitions. [2021-11-03 04:00:23,737 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 353 transitions. Word has length 78 [2021-11-03 04:00:23,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:00:23,738 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 353 transitions. [2021-11-03 04:00:23,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 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 04:00:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 353 transitions. [2021-11-03 04:00:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-03 04:00:23,740 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:00:23,740 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] [2021-11-03 04:00:23,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:00:23,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:00:23,955 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-03 04:00:23,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:00:23,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1177891057, now seen corresponding path program 1 times [2021-11-03 04:00:23,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:00:23,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673319251] [2021-11-03 04:00:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:00:23,960 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:00:23,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:00:23,962 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:00:23,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:00:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:00:28,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1796 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 04:00:28,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:00:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:00:28,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:00:29,378 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 04:00:29,379 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:00:29,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673319251] [2021-11-03 04:00:29,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [673319251] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:00:29,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:00:29,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-03 04:00:29,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421941195] [2021-11-03 04:00:29,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 04:00:29,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:00:29,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 04:00:29,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:00:29,381 INFO L87 Difference]: Start difference. First operand 292 states and 353 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 04:00:30,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:00:30,105 INFO L93 Difference]: Finished difference Result 500 states and 604 transitions. [2021-11-03 04:00:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 04:00:30,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 78 [2021-11-03 04:00:30,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:00:30,108 INFO L225 Difference]: With dead ends: 500 [2021-11-03 04:00:30,108 INFO L226 Difference]: Without dead ends: 268 [2021-11-03 04:00:30,109 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:00:30,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-03 04:00:30,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2021-11-03 04:00:30,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 255 states have (on average 1.2627450980392156) internal successors, (322), 267 states have internal predecessors, (322), 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 04:00:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 322 transitions. [2021-11-03 04:00:30,122 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 322 transitions. Word has length 78 [2021-11-03 04:00:30,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:00:30,122 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 322 transitions. [2021-11-03 04:00:30,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 04:00:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 322 transitions. [2021-11-03 04:00:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-03 04:00:30,124 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:00:30,124 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] [2021-11-03 04:00:30,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:00:30,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:00:30,346 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-03 04:00:30,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:00:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1300110131, now seen corresponding path program 1 times [2021-11-03 04:00:30,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:00:30,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234683720] [2021-11-03 04:00:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:00:30,351 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:00:30,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:00:30,352 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:00:30,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:00:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:00:35,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:00:35,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:00:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:00:35,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:00:36,197 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 04:00:36,198 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:00:36,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234683720] [2021-11-03 04:00:36,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234683720] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:00:36,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:00:36,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-03 04:00:36,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125384112] [2021-11-03 04:00:36,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:00:36,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:00:36,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:00:36,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:00:36,201 INFO L87 Difference]: Start difference. First operand 268 states and 322 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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 04:00:37,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:00:37,610 INFO L93 Difference]: Finished difference Result 434 states and 520 transitions. [2021-11-03 04:00:37,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:00:37,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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 81 [2021-11-03 04:00:37,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:00:37,614 INFO L225 Difference]: With dead ends: 434 [2021-11-03 04:00:37,614 INFO L226 Difference]: Without dead ends: 268 [2021-11-03 04:00:37,615 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:00:37,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-03 04:00:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2021-11-03 04:00:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 255 states have (on average 1.2392156862745098) internal successors, (316), 267 states have internal predecessors, (316), 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 04:00:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 316 transitions. [2021-11-03 04:00:37,632 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 316 transitions. Word has length 81 [2021-11-03 04:00:37,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:00:37,632 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 316 transitions. [2021-11-03 04:00:37,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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 04:00:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 316 transitions. [2021-11-03 04:00:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-03 04:00:37,634 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:00:37,634 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] [2021-11-03 04:00:37,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:00:37,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:00:37,851 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-03 04:00:37,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:00:37,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1195735291, now seen corresponding path program 1 times [2021-11-03 04:00:37,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:00:37,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694386188] [2021-11-03 04:00:37,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:00:37,856 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:00:37,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:00:37,857 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:00:37,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe688695-2006-48ab-81aa-5c5b3c6ad4fe/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 04:06:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:06:09,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-03 04:06:09,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:06:09,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-03 04:06:09,668 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-03 04:06:09,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2021-11-03 04:06:09,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2021-11-03 04:06:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:06:10,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2021-11-03 04:06:10,524 INFO L354 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2021-11-03 04:06:10,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2021-11-03 04:06:10,951 INFO L354 Elim1Store]: treesize reduction 1506, result has 0.5 percent of original size [2021-11-03 04:06:10,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 113 treesize of output 20 [2021-11-03 04:06:11,432 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 04:06:11,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:06:11,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:06:11,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-03 04:06:18,695 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111|))))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64))))))) is different from false [2021-11-03 04:06:20,845 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111|))))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8)) |c_ULTIMATE.start_aws_array_list_back_harness_~#list~0.base|) (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_back_harness_~#list~0.offset|)))))) is different from false [2021-11-03 04:06:22,984 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_8 (_ BitVec 64)) (v_DerPreprocessor_7 (_ BitVec 64)) (v_DerPreprocessor_6 (_ BitVec 64)) (v_DerPreprocessor_5 (_ BitVec 64)) (v_DerPreprocessor_4 (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ BitVec 64)) (v_DerPreprocessor_3 (_ BitVec 64)) (|ULTIMATE.start_ensure_array_list_has_allocated_data_member_#t~ite589.base| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111|))))) (not (= (_ bv0 64) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.base) c_ULTIMATE.start_ensure_array_list_has_allocated_data_member_~list.offset |ULTIMATE.start_ensure_array_list_has_allocated_data_member_#t~ite589.base|)))) (store .cse0 |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111| (store (store (store (store (store (store (store (store (select .cse0 |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_111|) ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv1 64)) v_DerPreprocessor_2) (bvadd (_ bv2 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_3) (bvadd (_ bv3 64) ULTIMATE.start_aws_mul_u64_checked_~r.offset) v_DerPreprocessor_4) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_5) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv5 64)) v_DerPreprocessor_6) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv6 64)) v_DerPreprocessor_7) (bvadd ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv7 64)) v_DerPreprocessor_8))) |c_ULTIMATE.start_aws_array_list_back_harness_~#list~0.base|) (bvadd (_ bv32 64) |c_ULTIMATE.start_aws_array_list_back_harness_~#list~0.offset|)))))) is different from false [2021-11-03 04:06:44,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63063588920621807 treesize of output 63050394781088495