./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_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_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/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_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/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_cca07048-70e9-4027-a4b3-550b77480df1/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 f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:25:17,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:25:17,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:25:17,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:25:17,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:25:17,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:25:17,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:25:17,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:25:17,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:25:17,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:25:17,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:25:17,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:25:17,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:25:17,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:25:17,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:25:17,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:25:17,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:25:17,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:25:17,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:25:17,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:25:17,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:25:17,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:25:17,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:25:17,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:25:17,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:25:17,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:25:17,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:25:17,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:25:17,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:25:17,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:25:17,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:25:17,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:25:17,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:25:17,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:25:17,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:25:17,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:25:17,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:25:17,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:25:17,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:25:17,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:25:17,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:25:17,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:25:17,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:25:17,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:25:17,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:25:17,150 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:25:17,150 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:25:17,150 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:25:17,151 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:25:17,151 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:25:17,151 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:25:17,151 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:25:17,158 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:25:17,159 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:25:17,159 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:25:17,159 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:25:17,159 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:25:17,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:25:17,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:25:17,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:25:17,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:25:17,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:25:17,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:25:17,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:25:17,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:25:17,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:25:17,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:25:17,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:25:17,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:25:17,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:25:17,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:25:17,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:25:17,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:25:17,164 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:25:17,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:25:17,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:25:17,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:25:17,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:25:17,166 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_cca07048-70e9-4027-a4b3-550b77480df1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb [2021-11-03 05:25:17,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:25:17,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:25:17,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:25:17,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:25:17,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:25:17,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-03 05:25:17,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data/d8f7da51e/f693dfafc27c422a8166081fb606aeb9/FLAGbb69496b4 [2021-11-03 05:25:18,295 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:25:18,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-03 05:25:18,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data/d8f7da51e/f693dfafc27c422a8166081fb606aeb9/FLAGbb69496b4 [2021-11-03 05:25:18,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data/d8f7da51e/f693dfafc27c422a8166081fb606aeb9 [2021-11-03 05:25:18,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:25:18,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:25:18,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:25:18,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:25:18,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:25:18,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:25:18" (1/1) ... [2021-11-03 05:25:18,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24579397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:18, skipping insertion in model container [2021-11-03 05:25:18,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:25:18" (1/1) ... [2021-11-03 05:25:18,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:25:18,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:25:18,924 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_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-03 05:25:18,931 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_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-03 05:25:18,957 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:25:18,963 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:25:20,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,314 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,315 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,316 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,318 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,348 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,351 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,355 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,356 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:20,767 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:25:20,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:25:20,770 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:25:20,771 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:25:20,772 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:25:20,773 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:25:20,774 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:25:20,774 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:25:20,775 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:25:20,776 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:25:20,916 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:25:20,931 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:25:20,937 INFO L168 Benchmark]: Toolchain (without parser) took 2434.54 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 55.0 MB in the beginning and 88.1 MB in the end (delta: -33.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:25:20,938 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:25:20,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2432.24 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 54.6 MB in the beginning and 88.1 MB in the end (delta: -33.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:25:20,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2432.24 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 54.6 MB in the beginning and 88.1 MB in the end (delta: -33.4 MB). Peak memory consumption was 15.5 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_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/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_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/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_cca07048-70e9-4027-a4b3-550b77480df1/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 f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:25:23,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:25:23,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:25:23,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:25:23,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:25:23,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:25:23,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:25:23,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:25:23,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:25:23,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:25:23,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:25:23,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:25:23,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:25:23,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:25:23,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:25:23,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:25:23,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:25:23,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:25:23,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:25:23,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:25:23,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:25:23,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:25:23,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:25:23,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:25:23,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:25:23,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:25:23,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:25:23,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:25:23,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:25:23,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:25:23,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:25:23,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:25:23,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:25:23,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:25:23,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:25:23,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:25:23,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:25:23,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:25:23,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:25:23,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:25:23,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:25:23,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:25:23,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:25:23,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:25:23,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:25:23,314 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:25:23,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:25:23,314 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:25:23,314 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:25:23,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:25:23,315 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:25:23,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:25:23,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:25:23,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:25:23,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:25:23,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:25:23,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:25:23,318 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:25:23,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:25:23,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:25:23,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:25:23,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:25:23,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:25:23,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:25:23,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:25:23,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:25:23,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:25:23,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:25:23,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:25:23,321 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:25:23,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:25:23,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:25:23,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:25:23,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:25:23,322 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_cca07048-70e9-4027-a4b3-550b77480df1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb [2021-11-03 05:25:23,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:25:23,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:25:23,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:25:23,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:25:23,675 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:25:23,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-03 05:25:23,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data/9b05900d8/12f81ee822a7470ba40d3a37eb2fe07a/FLAGf4de8827d [2021-11-03 05:25:24,592 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:25:24,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-03 05:25:24,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data/9b05900d8/12f81ee822a7470ba40d3a37eb2fe07a/FLAGf4de8827d [2021-11-03 05:25:25,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/data/9b05900d8/12f81ee822a7470ba40d3a37eb2fe07a [2021-11-03 05:25:25,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:25:25,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:25:25,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:25:25,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:25:25,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:25:25,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:25:25" (1/1) ... [2021-11-03 05:25:25,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e80e640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:25, skipping insertion in model container [2021-11-03 05:25:25,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:25:25" (1/1) ... [2021-11-03 05:25:25,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:25:25,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:25:25,595 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_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-03 05:25:25,604 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_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-03 05:25:25,625 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:25:25,633 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:25:26,560 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,560 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,561 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,563 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,580 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,581 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,583 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,583 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:26,999 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:25:27,000 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:25:27,003 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:25:27,005 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:25:27,009 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:25:27,011 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:25:27,011 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:25:27,012 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:25:27,014 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:25:27,015 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:25:27,187 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:25:27,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,338 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:25:27,478 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:25:27,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:25:27,546 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_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-03 05:25:27,548 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_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-03 05:25:27,550 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:25:27,550 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:25:27,591 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,592 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,592 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,593 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,594 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,637 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,637 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,638 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,639 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,691 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:25:27,692 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:25:27,693 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:25:27,694 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:25:27,695 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:25:27,698 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:25:27,701 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:25:27,702 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:25:27,702 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:25:27,703 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:25:27,743 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:25:27,824 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,824 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:25:27,924 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:25:27,950 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_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-03 05:25:27,950 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_cca07048-70e9-4027-a4b3-550b77480df1/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-03 05:25:27,951 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:25:27,952 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:25:27,993 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,994 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,994 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,994 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:27,995 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:28,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:28,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:28,004 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:28,004 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:28,051 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:25:28,052 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:25:28,053 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:25:28,053 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:25:28,054 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:25:28,054 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:25:28,055 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:25:28,055 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:25:28,056 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:25:28,056 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:25:28,076 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:25:28,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:28,135 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:25:28,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:25:28,617 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:25:28,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28 WrapperNode [2021-11-03 05:25:28,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:25:28,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:25:28,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:25:28,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:25:28,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:28,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:28,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:25:28,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:25:28,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:25:28,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:25:28,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:28,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:28,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:28,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:28,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:28,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:28,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:29,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:25:29,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:25:29,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:25:29,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:25:29,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (1/1) ... [2021-11-03 05:25:29,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:25:29,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:25:29,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:25:29,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:25:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:25:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:25:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 05:25:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 05:25:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-03 05:25:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:25:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:25:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 05:25:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 05:25:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 05:25:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 05:25:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:25:29,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:25:29,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-03 05:25:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-03 05:25:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-03 05:25:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 05:25:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 05:25:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 05:25:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 05:25:47,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:25:47,712 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-03 05:25:47,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:25:47 BoogieIcfgContainer [2021-11-03 05:25:47,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:25:47,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:25:47,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:25:47,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:25:47,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:25:25" (1/3) ... [2021-11-03 05:25:47,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aff1496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:25:47, skipping insertion in model container [2021-11-03 05:25:47,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:28" (2/3) ... [2021-11-03 05:25:47,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aff1496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:25:47, skipping insertion in model container [2021-11-03 05:25:47,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:25:47" (3/3) ... [2021-11-03 05:25:47,730 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_u8_harness.i [2021-11-03 05:25:47,737 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:25:47,737 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-11-03 05:25:47,812 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:25:47,825 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 05:25:47,826 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-03 05:25:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 199 states have (on average 1.4773869346733668) internal successors, (294), 210 states have internal predecessors, (294), 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 05:25:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 05:25:47,854 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:25:47,855 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:25:47,855 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-03 05:25:47,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:25:47,861 INFO L85 PathProgramCache]: Analyzing trace with hash 702346985, now seen corresponding path program 1 times [2021-11-03 05:25:47,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:25:47,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355822448] [2021-11-03 05:25:47,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:25:47,882 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:25:47,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:25:47,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:25:47,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:25:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:25:51,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:25:51,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:25:52,115 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 05:25:52,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:25:52,266 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 05:25:52,266 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:25:52,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355822448] [2021-11-03 05:25:52,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355822448] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:25:52,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:25:52,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:25:52,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312381427] [2021-11-03 05:25:52,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:25:52,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:25:52,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:25:52,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:25:52,288 INFO L87 Difference]: Start difference. First operand has 211 states, 199 states have (on average 1.4773869346733668) internal successors, (294), 210 states have internal predecessors, (294), 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 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 05:25:52,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:25:52,321 INFO L93 Difference]: Finished difference Result 419 states and 584 transitions. [2021-11-03 05:25:52,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:25:52,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 47 [2021-11-03 05:25:52,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:25:52,332 INFO L225 Difference]: With dead ends: 419 [2021-11-03 05:25:52,333 INFO L226 Difference]: Without dead ends: 205 [2021-11-03 05:25:52,336 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 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 05:25:52,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-11-03 05:25:52,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2021-11-03 05:25:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 194 states have (on average 1.3608247422680413) internal successors, (264), 204 states have internal predecessors, (264), 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 05:25:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 264 transitions. [2021-11-03 05:25:52,382 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 264 transitions. Word has length 47 [2021-11-03 05:25:52,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:25:52,383 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 264 transitions. [2021-11-03 05:25:52,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 05:25:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 264 transitions. [2021-11-03 05:25:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 05:25:52,385 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:25:52,385 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:25:52,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:25:52,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:25:52,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-03 05:25:52,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:25:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash -202752783, now seen corresponding path program 1 times [2021-11-03 05:25:52,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:25:52,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724884305] [2021-11-03 05:25:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:25:52,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:25:52,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:25:52,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:25:52,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:25:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:25:56,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:25:56,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:25:56,981 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 05:25:56,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:25:57,220 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 05:25:57,220 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:25:57,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724884305] [2021-11-03 05:25:57,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724884305] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:25:57,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:25:57,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 05:25:57,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567088866] [2021-11-03 05:25:57,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:25:57,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:25:57,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:25:57,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:25:57,224 INFO L87 Difference]: Start difference. First operand 205 states and 264 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 05:25:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:25:57,587 INFO L93 Difference]: Finished difference Result 389 states and 501 transitions. [2021-11-03 05:25:57,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:25:57,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 47 [2021-11-03 05:25:57,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:25:57,592 INFO L225 Difference]: With dead ends: 389 [2021-11-03 05:25:57,592 INFO L226 Difference]: Without dead ends: 205 [2021-11-03 05:25:57,594 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:25:57,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-11-03 05:25:57,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2021-11-03 05:25:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 204 states have internal predecessors, (261), 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 05:25:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 261 transitions. [2021-11-03 05:25:57,609 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 261 transitions. Word has length 47 [2021-11-03 05:25:57,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:25:57,609 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 261 transitions. [2021-11-03 05:25:57,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 05:25:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 261 transitions. [2021-11-03 05:25:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 05:25:57,611 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:25:57,612 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:25:57,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:25:57,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:25:57,832 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-03 05:25:57,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:25:57,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2135716593, now seen corresponding path program 1 times [2021-11-03 05:25:57,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:25:57,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982654903] [2021-11-03 05:25:57,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:25:57,837 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:25:57,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:25:57,839 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:25:57,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca07048-70e9-4027-a4b3-550b77480df1/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:26:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:26:01,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 05:26:01,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:26:02,518 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:26:02,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 158 treesize of output 62 [2021-11-03 05:26:02,734 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 05:26:02,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:26:13,413 WARN L207 SmtUtils]: Spent 10.14 s on a formula simplification. DAG size of input: 523 DAG size of output: 269 [2021-11-03 05:26:13,418 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-03 05:26:13,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 129 treesize of output 772