./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/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_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/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_039acff4-3417-479a-a71d-7b14ac9ffa7f/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 56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:59:04,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:59:04,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:59:04,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:59:04,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:59:04,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:59:04,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:59:04,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:59:04,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:59:05,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:59:05,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:59:05,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:59:05,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:59:05,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:59:05,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:59:05,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:59:05,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:59:05,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:59:05,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:59:05,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:59:05,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:59:05,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:59:05,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:59:05,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:59:05,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:59:05,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:59:05,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:59:05,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:59:05,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:59:05,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:59:05,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:59:05,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:59:05,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:59:05,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:59:05,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:59:05,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:59:05,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:59:05,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:59:05,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:59:05,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:59:05,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:59:05,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:59:05,112 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:59:05,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:59:05,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:59:05,113 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:59:05,113 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:59:05,114 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:59:05,114 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:59:05,114 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:59:05,114 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:59:05,114 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:59:05,115 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:59:05,115 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:59:05,115 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:59:05,115 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:59:05,115 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:59:05,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:59:05,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:59:05,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:59:05,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:59:05,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:59:05,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:59:05,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:59:05,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:59:05,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:59:05,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:59:05,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:59:05,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:59:05,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:59:05,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:59:05,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:59:05,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:59:05,119 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:59:05,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:59:05,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:59:05,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:59:05,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:59:05,120 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26 [2021-11-03 03:59:05,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:59:05,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:59:05,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:59:05,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:59:05,413 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:59:05,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i [2021-11-03 03:59:05,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data/6c855c4a0/fa7f39feff9b453fb7104b49489f25ae/FLAG9475259f4 [2021-11-03 03:59:06,449 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:59:06,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i [2021-11-03 03:59:06,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data/6c855c4a0/fa7f39feff9b453fb7104b49489f25ae/FLAG9475259f4 [2021-11-03 03:59:06,805 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data/6c855c4a0/fa7f39feff9b453fb7104b49489f25ae [2021-11-03 03:59:06,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:59:06,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:59:06,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:59:06,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:59:06,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:59:06,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:06" (1/1) ... [2021-11-03 03:59:06,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ff6d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:06, skipping insertion in model container [2021-11-03 03:59:06,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:06" (1/1) ... [2021-11-03 03:59:06,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:59:06,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:59:07,252 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4486,4499] [2021-11-03 03:59:07,259 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4546,4559] [2021-11-03 03:59:07,284 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:59:07,290 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:59:08,394 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,395 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,395 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,396 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,397 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,412 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,413 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,415 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,415 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:08,865 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:59:08,867 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:59:08,868 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:59:08,869 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:59:08,871 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:59:08,872 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:59:08,873 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:59:08,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:59:08,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:59:08,876 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:59:09,059 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:59:09,083 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:59:09,096 INFO L168 Benchmark]: Toolchain (without parser) took 2285.07 ms. Allocated memory is still 119.5 MB. Free memory was 72.9 MB in the beginning and 60.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-11-03 03:59:09,097 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 119.5 MB. Free memory was 98.3 MB in the beginning and 98.2 MB in the end (delta: 67.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:59:09,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2282.36 ms. Allocated memory is still 119.5 MB. Free memory was 72.7 MB in the beginning and 60.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-11-03 03:59:09,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 119.5 MB. Free memory was 98.3 MB in the beginning and 98.2 MB in the end (delta: 67.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2282.36 ms. Allocated memory is still 119.5 MB. Free memory was 72.7 MB in the beginning and 60.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 11.8 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/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_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/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_039acff4-3417-479a-a71d-7b14ac9ffa7f/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 56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:59:11,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:59:11,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:59:11,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:59:11,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:59:11,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:59:11,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:59:11,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:59:11,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:59:11,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:59:11,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:59:11,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:59:11,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:59:11,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:59:11,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:59:11,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:59:11,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:59:11,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:59:11,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:59:11,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:59:11,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:59:11,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:59:11,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:59:11,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:59:11,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:59:11,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:59:11,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:59:11,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:59:11,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:59:11,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:59:11,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:59:11,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:59:11,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:59:11,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:59:11,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:59:11,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:59:11,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:59:11,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:59:11,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:59:11,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:59:11,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:59:11,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:59:11,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:59:11,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:59:11,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:59:11,692 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:59:11,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:59:11,693 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:59:11,693 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:59:11,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:59:11,693 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:59:11,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:59:11,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:59:11,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:59:11,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:59:11,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:59:11,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:59:11,697 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:59:11,697 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:59:11,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:59:11,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:59:11,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:59:11,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:59:11,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:59:11,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:59:11,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:59:11,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:59:11,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:59:11,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:59:11,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:59:11,700 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:59:11,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:59:11,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:59:11,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:59:11,700 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56930072253bb80620cfd5323053bdb4c7b4f32002f7dcce9e2ae892c8088a26 [2021-11-03 03:59:12,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:59:12,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:59:12,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:59:12,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:59:12,147 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:59:12,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i [2021-11-03 03:59:12,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data/b5d503252/948ec0979ef5485d89b7024aec09137e/FLAG20af2530c [2021-11-03 03:59:13,362 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:59:13,363 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i [2021-11-03 03:59:13,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data/b5d503252/948ec0979ef5485d89b7024aec09137e/FLAG20af2530c [2021-11-03 03:59:13,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/data/b5d503252/948ec0979ef5485d89b7024aec09137e [2021-11-03 03:59:13,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:59:13,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:59:13,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:59:13,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:59:13,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:59:13,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:13" (1/1) ... [2021-11-03 03:59:13,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5e8d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:13, skipping insertion in model container [2021-11-03 03:59:13,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:13" (1/1) ... [2021-11-03 03:59:13,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:59:13,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:59:14,081 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4486,4499] [2021-11-03 03:59:14,087 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4546,4559] [2021-11-03 03:59:14,107 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:59:14,112 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:59:15,032 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,033 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,033 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,034 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,053 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,054 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,057 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,517 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:59:15,519 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:59:15,520 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:59:15,522 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:59:15,524 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:59:15,525 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:59:15,526 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:59:15,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:59:15,530 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:59:15,531 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:59:15,729 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:59:15,855 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,855 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:15,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:59:16,016 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:59:16,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:59:16,106 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4486,4499] [2021-11-03 03:59:16,107 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4546,4559] [2021-11-03 03:59:16,115 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:59:16,116 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:59:16,181 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,181 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,181 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,182 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,183 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,199 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,200 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,201 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,201 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,273 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:59:16,274 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:59:16,274 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:59:16,276 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:59:16,277 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:59:16,277 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:59:16,278 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:59:16,279 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:59:16,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:59:16,287 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:59:16,326 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:59:16,428 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,429 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:59:16,519 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:59:16,531 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4486,4499] [2021-11-03 03:59:16,532 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_039acff4-3417-479a-a71d-7b14ac9ffa7f/sv-benchmarks/c/aws-c-common/aws_array_eq_harness-1.i[4546,4559] [2021-11-03 03:59:16,534 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 03:59:16,535 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 03:59:16,571 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,599 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,606 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,607 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,608 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,608 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,644 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 03:59:16,645 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 03:59:16,646 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 03:59:16,647 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 03:59:16,647 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 03:59:16,648 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 03:59:16,649 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 03:59:16,649 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 03:59:16,650 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 03:59:16,651 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 03:59:16,682 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 03:59:16,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,762 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 03:59:16,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:59:17,182 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:59:17,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17 WrapperNode [2021-11-03 03:59:17,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:59:17,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:59:17,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:59:17,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:59:17,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:59:17,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:59:17,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:59:17,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:59:17,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:59:17,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:59:17,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:59:17,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:59:17,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (1/1) ... [2021-11-03 03:59:17,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:59:17,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:59:17,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:59:17,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:59:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-03 03:59:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:59:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:59:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:59:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:59:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:59:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:59:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:59:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:59:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:59:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:59:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:59:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:59:32,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:59:32,179 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-11-03 03:59:32,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:59:32 BoogieIcfgContainer [2021-11-03 03:59:32,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:59:32,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:59:32,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:59:32,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:59:32,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:59:13" (1/3) ... [2021-11-03 03:59:32,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1940702b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:59:32, skipping insertion in model container [2021-11-03 03:59:32,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:17" (2/3) ... [2021-11-03 03:59:32,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1940702b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:59:32, skipping insertion in model container [2021-11-03 03:59:32,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:59:32" (3/3) ... [2021-11-03 03:59:32,189 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_eq_harness-1.i [2021-11-03 03:59:32,195 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:59:32,196 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-03 03:59:32,248 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:59:32,253 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 03:59:32,253 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-03 03:59:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 70 states have (on average 1.5) internal successors, (105), 75 states have internal predecessors, (105), 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 03:59:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 03:59:32,275 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:59:32,276 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] [2021-11-03 03:59:32,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 03:59:32,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:59:32,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1732530516, now seen corresponding path program 1 times [2021-11-03 03:59:32,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:59:32,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481576762] [2021-11-03 03:59:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:59:32,321 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:59:32,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:59:32,330 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:59:32,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:59:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:59:36,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1733 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:59:36,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:59:36,476 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 03:59:36,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:59:36,583 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 03:59:36,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:59:36,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481576762] [2021-11-03 03:59:36,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481576762] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:59:36,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:59:36,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:59:36,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432209127] [2021-11-03 03:59:36,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:59:36,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:59:36,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:59:36,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:59:36,635 INFO L87 Difference]: Start difference. First operand has 76 states, 70 states have (on average 1.5) internal successors, (105), 75 states have internal predecessors, (105), 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 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 03:59:36,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:59:36,688 INFO L93 Difference]: Finished difference Result 149 states and 206 transitions. [2021-11-03 03:59:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:59:36,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-11-03 03:59:36,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:59:36,709 INFO L225 Difference]: With dead ends: 149 [2021-11-03 03:59:36,710 INFO L226 Difference]: Without dead ends: 70 [2021-11-03 03:59:36,712 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 52 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 03:59:36,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-03 03:59:36,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-11-03 03:59:36,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 69 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 03:59:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2021-11-03 03:59:36,766 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 27 [2021-11-03 03:59:36,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:59:36,767 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2021-11-03 03:59:36,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 03:59:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2021-11-03 03:59:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 03:59:36,769 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:59:36,769 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] [2021-11-03 03:59:36,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:59:36,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:59:36,984 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 03:59:36,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:59:36,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1816035494, now seen corresponding path program 1 times [2021-11-03 03:59:36,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:59:36,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078929833] [2021-11-03 03:59:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:59:36,998 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:59:36,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:59:36,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:59:37,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:59:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:59:41,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1733 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 03:59:41,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:59:42,034 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 03:59:42,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:59:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:59:42,680 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:59:42,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078929833] [2021-11-03 03:59:42,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078929833] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:59:42,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:59:42,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2021-11-03 03:59:42,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131583140] [2021-11-03 03:59:42,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 03:59:42,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:59:42,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 03:59:42,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-03 03:59:42,685 INFO L87 Difference]: Start difference. First operand 70 states and 81 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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 03:59:45,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:59:45,280 INFO L93 Difference]: Finished difference Result 491 states and 571 transitions. [2021-11-03 03:59:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-03 03:59:45,281 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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 27 [2021-11-03 03:59:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:59:45,287 INFO L225 Difference]: With dead ends: 491 [2021-11-03 03:59:45,287 INFO L226 Difference]: Without dead ends: 460 [2021-11-03 03:59:45,289 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2021-11-03 03:59:45,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-11-03 03:59:45,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 150. [2021-11-03 03:59:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 145 states have (on average 1.193103448275862) internal successors, (173), 149 states have internal predecessors, (173), 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 03:59:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 173 transitions. [2021-11-03 03:59:45,338 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 173 transitions. Word has length 27 [2021-11-03 03:59:45,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:59:45,339 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 173 transitions. [2021-11-03 03:59:45,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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 03:59:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 173 transitions. [2021-11-03 03:59:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 03:59:45,343 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:59:45,343 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] [2021-11-03 03:59:45,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:59:45,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:59:45,561 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 03:59:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:59:45,562 INFO L85 PathProgramCache]: Analyzing trace with hash 515997540, now seen corresponding path program 1 times [2021-11-03 03:59:45,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:59:45,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645738829] [2021-11-03 03:59:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:59:45,570 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:59:45,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:59:45,571 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:59:45,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:59:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:59:49,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1734 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:59:49,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:59:49,649 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 03:59:49,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:59:49,815 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 03:59:49,815 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:59:49,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645738829] [2021-11-03 03:59:49,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645738829] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:59:49,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:59:49,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-03 03:59:49,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728876737] [2021-11-03 03:59:49,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:59:49,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:59:49,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:59:49,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:59:49,817 INFO L87 Difference]: Start difference. First operand 150 states and 173 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:59:50,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:59:50,226 INFO L93 Difference]: Finished difference Result 192 states and 226 transitions. [2021-11-03 03:59:50,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:59:50,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-03 03:59:50,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:59:50,228 INFO L225 Difference]: With dead ends: 192 [2021-11-03 03:59:50,229 INFO L226 Difference]: Without dead ends: 167 [2021-11-03 03:59:50,229 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:59:50,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-11-03 03:59:50,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 131. [2021-11-03 03:59:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 126 states have (on average 1.2142857142857142) internal successors, (153), 130 states have internal predecessors, (153), 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 03:59:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2021-11-03 03:59:50,242 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 28 [2021-11-03 03:59:50,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:59:50,242 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2021-11-03 03:59:50,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:59:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2021-11-03 03:59:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-03 03:59:50,245 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:59:50,245 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] [2021-11-03 03:59:50,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:59:50,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:59:50,460 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 03:59:50,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:59:50,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1532986451, now seen corresponding path program 1 times [2021-11-03 03:59:50,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:59:50,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697293470] [2021-11-03 03:59:50,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:59:50,466 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:59:50,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:59:50,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:59:50,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:59:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:59:54,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-03 03:59:54,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:59:55,663 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 03:59:55,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:59:55,974 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 03:59:55,974 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:59:55,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697293470] [2021-11-03 03:59:55,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697293470] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:59:55,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:59:55,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 4] imperfect sequences [] total 17 [2021-11-03 03:59:55,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240818538] [2021-11-03 03:59:55,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-03 03:59:55,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:59:55,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-03 03:59:55,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-11-03 03:59:55,977 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 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 04:00:02,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:00:02,953 INFO L93 Difference]: Finished difference Result 425 states and 484 transitions. [2021-11-03 04:00:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-03 04:00:02,954 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 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 33 [2021-11-03 04:00:02,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:00:02,957 INFO L225 Difference]: With dead ends: 425 [2021-11-03 04:00:02,957 INFO L226 Difference]: Without dead ends: 403 [2021-11-03 04:00:02,962 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=792, Invalid=3114, Unknown=0, NotChecked=0, Total=3906 [2021-11-03 04:00:02,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-11-03 04:00:02,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 134. [2021-11-03 04:00:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 129 states have (on average 1.2170542635658914) internal successors, (157), 133 states have internal predecessors, (157), 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 04:00:02,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2021-11-03 04:00:02,982 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 33 [2021-11-03 04:00:02,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:00:02,983 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2021-11-03 04:00:02,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 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 04:00:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2021-11-03 04:00:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-03 04:00:02,985 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:00:02,986 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] [2021-11-03 04:00:03,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:00:03,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:00:03,205 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 04:00:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:00:03,206 INFO L85 PathProgramCache]: Analyzing trace with hash 242020911, now seen corresponding path program 1 times [2021-11-03 04:00:03,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:00:03,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629910641] [2021-11-03 04:00:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:00:03,212 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:00:03,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:00:03,213 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:00:03,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:00:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:00:07,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 04:00:07,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:00:08,173 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 04:00:08,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:00:08,631 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 04:00:08,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:00:08,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629910641] [2021-11-03 04:00:08,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629910641] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:00:08,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:00:08,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 10 [2021-11-03 04:00:08,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154117141] [2021-11-03 04:00:08,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 04:00:08,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:00:08,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 04:00:08,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:00:08,634 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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 04:00:10,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:00:10,239 INFO L93 Difference]: Finished difference Result 287 states and 338 transitions. [2021-11-03 04:00:10,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-03 04:00:10,240 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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 33 [2021-11-03 04:00:10,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:00:10,242 INFO L225 Difference]: With dead ends: 287 [2021-11-03 04:00:10,243 INFO L226 Difference]: Without dead ends: 285 [2021-11-03 04:00:10,243 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-11-03 04:00:10,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-11-03 04:00:10,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 161. [2021-11-03 04:00:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 156 states have (on average 1.2243589743589745) internal successors, (191), 160 states have internal predecessors, (191), 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 04:00:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 191 transitions. [2021-11-03 04:00:10,265 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 191 transitions. Word has length 33 [2021-11-03 04:00:10,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:00:10,265 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 191 transitions. [2021-11-03 04:00:10,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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 04:00:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 191 transitions. [2021-11-03 04:00:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-03 04:00:10,268 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:00:10,268 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] [2021-11-03 04:00:10,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:00:10,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:00:10,469 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 04:00:10,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:00:10,469 INFO L85 PathProgramCache]: Analyzing trace with hash 287734206, now seen corresponding path program 1 times [2021-11-03 04:00:10,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:00:10,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185265808] [2021-11-03 04:00:10,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:00:10,473 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:00:10,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:00:10,474 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:00:10,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039acff4-3417-479a-a71d-7b14ac9ffa7f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process