./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:59:37,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:59:37,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:59:37,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:59:37,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:59:37,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:59:37,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:59:37,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:59:37,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:59:37,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:59:37,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:59:37,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:59:37,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:59:37,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:59:37,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:59:37,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:59:37,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:59:37,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:59:37,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:59:37,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:59:37,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:59:37,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:59:37,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:59:37,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:59:37,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:59:37,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:59:37,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:59:37,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:59:37,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:59:37,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:59:37,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:59:37,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:59:37,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:59:37,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:59:37,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:59:37,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:59:37,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:59:37,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:59:37,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:59:37,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:59:37,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:59:37,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:59:37,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:59:37,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:59:37,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:59:37,391 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:59:37,392 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:59:37,392 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:59:37,392 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:59:37,392 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:59:37,392 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:59:37,393 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:59:37,393 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:59:37,393 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:59:37,393 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:59:37,394 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:59:37,394 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:59:37,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:59:37,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:59:37,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:59:37,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:59:37,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:59:37,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:59:37,396 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:59:37,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:59:37,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:59:37,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:59:37,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:59:37,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:59:37,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:59:37,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:59:37,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:59:37,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:59:37,400 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:59:37,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:59:37,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:59:37,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:59:37,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:59:37,401 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-11-03 04:59:37,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:59:37,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:59:37,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:59:37,736 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:59:37,737 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:59:37,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-03 04:59:37,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data/bf8f32387/6f1f5abb96a9440492831ae9e75fc873/FLAG5c941dd94 [2021-11-03 04:59:38,667 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:59:38,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-03 04:59:38,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data/bf8f32387/6f1f5abb96a9440492831ae9e75fc873/FLAG5c941dd94 [2021-11-03 04:59:39,131 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data/bf8f32387/6f1f5abb96a9440492831ae9e75fc873 [2021-11-03 04:59:39,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:59:39,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:59:39,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:59:39,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:59:39,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:59:39,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:59:39" (1/1) ... [2021-11-03 04:59:39,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1d23f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:39, skipping insertion in model container [2021-11-03 04:59:39,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:59:39" (1/1) ... [2021-11-03 04:59:39,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:59:39,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:59:39,550 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-03 04:59:39,557 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-03 04:59:39,583 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:59:39,589 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:59:40,705 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,706 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,707 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,708 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,709 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,723 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,724 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,726 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,727 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,729 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,730 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,731 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:40,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:41,180 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:59:41,181 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:59:41,182 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:59:41,184 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:59:41,185 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:59:41,186 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:59:41,187 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:59:41,188 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:59:41,188 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:59:41,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:59:41,409 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:59:41,425 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.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1437) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1381) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:59:41,430 INFO L168 Benchmark]: Toolchain (without parser) took 2293.65 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 62.5 MB in the beginning and 67.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:41,431 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 102.8 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:59:41,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2291.28 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 62.5 MB in the beginning and 67.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:41,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 102.8 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2291.28 ms. Allocated memory was 102.8 MB in the beginning and 134.2 MB in the end (delta: 31.5 MB). Free memory was 62.5 MB in the beginning and 67.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:59:43,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:59:43,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:59:43,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:59:43,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:59:43,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:59:43,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:59:43,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:59:43,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:59:43,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:59:43,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:59:43,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:59:43,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:59:43,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:59:43,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:59:43,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:59:43,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:59:43,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:59:43,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:59:43,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:59:43,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:59:43,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:59:43,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:59:43,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:59:43,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:59:43,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:59:43,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:59:43,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:59:43,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:59:43,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:59:43,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:59:43,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:59:43,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:59:43,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:59:43,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:59:43,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:59:43,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:59:43,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:59:43,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:59:43,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:59:43,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:59:43,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:59:43,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:59:43,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:59:43,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:59:43,848 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:59:43,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:59:43,849 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:59:43,849 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:59:43,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:59:43,849 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:59:43,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:59:43,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:59:43,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:59:43,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:59:43,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:59:43,852 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:59:43,852 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:59:43,852 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:59:43,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:59:43,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:59:43,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:59:43,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:59:43,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:59:43,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:59:43,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:59:43,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:59:43,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:59:43,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:59:43,855 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:59:43,856 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:59:43,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:59:43,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:59:43,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:59:43,857 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-11-03 04:59:44,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:59:44,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:59:44,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:59:44,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:59:44,279 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:59:44,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-03 04:59:44,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data/159cdf817/74d57fbce420471b9332978b1316d085/FLAG3fcf2b2b5 [2021-11-03 04:59:45,332 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:59:45,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-03 04:59:45,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data/159cdf817/74d57fbce420471b9332978b1316d085/FLAG3fcf2b2b5 [2021-11-03 04:59:45,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/data/159cdf817/74d57fbce420471b9332978b1316d085 [2021-11-03 04:59:45,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:59:45,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:59:45,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:59:45,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:59:45,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:59:45,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:59:45" (1/1) ... [2021-11-03 04:59:45,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdf1c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:45, skipping insertion in model container [2021-11-03 04:59:45,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:59:45" (1/1) ... [2021-11-03 04:59:45,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:59:45,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:59:46,302 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-03 04:59:46,311 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-03 04:59:46,342 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:59:46,353 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:59:47,613 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,614 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,614 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,615 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,616 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,638 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,639 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:47,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,221 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:59:48,226 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:59:48,227 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:59:48,228 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:59:48,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:59:48,230 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:59:48,231 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:59:48,231 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:59:48,232 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:59:48,233 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:59:48,410 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:59:48,816 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,817 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,851 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,852 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,860 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,863 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,885 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,887 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,887 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,888 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,888 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,888 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,889 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:48,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:59:49,015 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:59:49,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:59:49,101 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-03 04:59:49,102 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-03 04:59:49,108 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:59:49,109 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:59:49,149 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,150 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,150 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,151 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,151 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,157 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,157 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,158 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,159 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,160 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,160 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,161 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,161 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:59:49,192 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:59:49,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:59:49,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:59:49,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:59:49,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:59:49,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:59:49,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:59:49,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:59:49,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:59:49,216 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:59:49,352 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,353 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,361 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,362 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,365 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,366 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,374 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,375 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,376 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,376 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,376 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,377 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,377 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:59:49,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:59:49,467 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-03 04:59:49,468 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_0e37aeba-ad43-48a3-b194-48ef199ec4bb/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-03 04:59:49,469 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:59:49,471 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:59:49,514 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,514 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,515 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,515 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,516 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,542 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,544 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,546 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,577 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:59:49,577 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:59:49,579 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:59:49,580 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:59:49,581 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:59:49,581 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:59:49,581 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:59:49,582 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:59:49,582 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:59:49,583 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:59:49,607 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:59:49,723 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,723 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,730 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,731 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,734 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,742 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,743 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,743 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,744 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,744 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,745 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,745 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:59:49,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:59:50,199 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:59:50,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50 WrapperNode [2021-11-03 04:59:50,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:59:50,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:59:50,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:59:50,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:59:50,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:59:50,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:59:50,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:59:50,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:59:50,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:59:50,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:59:50,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:59:50,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:59:50,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (1/1) ... [2021-11-03 04:59:50,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:59:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:59:50,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:59:50,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:59:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:59:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:59:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:59:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:59:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:59:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:59:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:59:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:59:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:59:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:59:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:59:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 04:59:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:59:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:59:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:59:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:00:09,618 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume !true; [2021-11-03 05:00:09,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:00:09,625 INFO L299 CfgBuilder]: Removed 45 assume(true) statements. [2021-11-03 05:00:09,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:00:09 BoogieIcfgContainer [2021-11-03 05:00:09,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:00:09,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:00:09,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:00:09,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:00:09,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:59:45" (1/3) ... [2021-11-03 05:00:09,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d095c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:00:09, skipping insertion in model container [2021-11-03 05:00:09,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:50" (2/3) ... [2021-11-03 05:00:09,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d095c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:00:09, skipping insertion in model container [2021-11-03 05:00:09,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:00:09" (3/3) ... [2021-11-03 05:00:09,635 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-11-03 05:00:09,640 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:00:09,640 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:00:09,686 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:00:09,692 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 05:00:09,692 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:00:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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 05:00:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 05:00:09,715 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:00:09,716 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:00:09,716 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:00:09,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:00:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash -2017125498, now seen corresponding path program 1 times [2021-11-03 05:00:09,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:00:09,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559373063] [2021-11-03 05:00:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:00:09,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:00:09,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:00:09,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:00:09,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:00:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:00:13,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:00:13,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:00:14,053 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 05:00:14,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:00:14,237 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 05:00:14,237 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:00:14,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559373063] [2021-11-03 05:00:14,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [559373063] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:00:14,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:00:14,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:00:14,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510500316] [2021-11-03 05:00:14,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:00:14,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:00:14,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:00:14,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:00:14,259 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 05:00:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:00:14,284 INFO L93 Difference]: Finished difference Result 225 states and 346 transitions. [2021-11-03 05:00:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:00:14,285 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-11-03 05:00:14,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:00:14,294 INFO L225 Difference]: With dead ends: 225 [2021-11-03 05:00:14,295 INFO L226 Difference]: Without dead ends: 108 [2021-11-03 05:00:14,297 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 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 05:00:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-11-03 05:00:14,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-11-03 05:00:14,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4953271028037383) internal successors, (160), 107 states have internal predecessors, (160), 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 05:00:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 160 transitions. [2021-11-03 05:00:14,345 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 160 transitions. Word has length 44 [2021-11-03 05:00:14,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:00:14,346 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 160 transitions. [2021-11-03 05:00:14,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 05:00:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2021-11-03 05:00:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 05:00:14,351 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:00:14,351 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:00:14,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-03 05:00:14,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:00:14,552 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:00:14,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:00:14,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1074584392, now seen corresponding path program 1 times [2021-11-03 05:00:14,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:00:14,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028571517] [2021-11-03 05:00:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:00:14,559 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:00:14,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:00:14,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:00:14,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e37aeba-ad43-48a3-b194-48ef199ec4bb/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:00:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:00:39,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-03 05:00:39,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:00:40,321 INFO L354 Elim1Store]: treesize reduction 160, result has 28.9 percent of original size [2021-11-03 05:00:40,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 51 treesize of output 79 [2021-11-03 05:00:43,227 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-11-03 05:00:43,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 128 treesize of output 58 [2021-11-03 05:00:43,680 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 05:00:43,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:00:45,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 498 treesize of output 482