./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/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 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:28:17,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:28:17,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:28:17,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:28:17,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:28:17,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:28:17,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:28:17,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:28:17,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:28:17,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:28:17,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:28:17,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:28:17,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:28:17,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:28:17,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:28:17,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:28:17,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:28:17,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:28:17,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:28:17,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:28:17,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:28:17,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:28:17,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:28:17,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:28:17,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:28:17,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:28:17,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:28:17,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:28:17,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:28:17,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:28:17,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:28:17,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:28:17,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:28:17,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:28:17,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:28:17,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:28:17,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:28:17,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:28:17,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:28:17,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:28:17,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:28:17,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:28:17,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:28:17,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:28:17,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:28:17,682 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:28:17,682 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:28:17,682 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:28:17,682 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:28:17,682 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:28:17,683 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:28:17,683 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:28:17,684 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:28:17,684 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:28:17,684 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:28:17,685 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:28:17,685 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:28:17,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:28:17,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:28:17,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:28:17,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:28:17,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:28:17,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:28:17,687 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:28:17,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:28:17,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:28:17,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:28:17,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:28:17,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:28:17,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:28:17,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:28:17,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:28:17,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:28:17,691 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:28:17,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:28:17,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:28:17,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:28:17,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:28:17,692 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a [2021-11-03 05:28:17,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:28:17,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:28:17,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:28:17,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:28:17,973 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:28:17,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2021-11-03 05:28:18,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data/768358d82/4bc567bab24e41a486473c50deb6c91c/FLAGda5fae4a5 [2021-11-03 05:28:18,839 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:28:18,840 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2021-11-03 05:28:18,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data/768358d82/4bc567bab24e41a486473c50deb6c91c/FLAGda5fae4a5 [2021-11-03 05:28:19,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data/768358d82/4bc567bab24e41a486473c50deb6c91c [2021-11-03 05:28:19,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:28:19,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:28:19,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:28:19,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:28:19,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:28:19,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:28:19" (1/1) ... [2021-11-03 05:28:19,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d096e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:19, skipping insertion in model container [2021-11-03 05:28:19,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:28:19" (1/1) ... [2021-11-03 05:28:19,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:28:19,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:28:19,850 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2021-11-03 05:28:19,858 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2021-11-03 05:28:19,882 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:28:19,887 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:28:20,650 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:20,651 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:20,652 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:20,653 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:20,653 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:20,668 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:20,668 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:20,671 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:20,671 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:21,056 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:28:21,058 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:28:21,062 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:28:21,064 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:28:21,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:28:21,077 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:28:21,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:28:21,080 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:28:21,081 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:28:21,083 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:28:21,259 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:28:21,298 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:28:21,304 INFO L168 Benchmark]: Toolchain (without parser) took 1941.06 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 59.0 MB in the beginning and 91.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2021-11-03 05:28:21,305 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 100.7 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:28:21,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1938.89 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 59.0 MB in the beginning and 91.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2021-11-03 05:28:21,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 100.7 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1938.89 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 59.0 MB in the beginning and 91.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/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 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:28:23,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:28:23,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:28:23,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:28:23,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:28:23,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:28:23,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:28:23,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:28:23,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:28:23,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:28:23,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:28:23,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:28:23,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:28:23,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:28:23,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:28:23,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:28:23,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:28:23,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:28:23,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:28:23,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:28:23,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:28:23,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:28:23,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:28:23,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:28:23,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:28:23,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:28:23,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:28:23,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:28:23,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:28:23,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:28:23,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:28:23,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:28:23,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:28:23,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:28:23,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:28:23,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:28:23,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:28:23,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:28:23,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:28:23,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:28:23,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:28:23,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:28:23,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:28:23,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:28:23,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:28:23,650 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:28:23,650 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:28:23,651 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:28:23,651 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:28:23,651 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:28:23,651 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:28:23,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:28:23,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:28:23,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:28:23,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:28:23,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:28:23,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:28:23,655 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:28:23,655 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:28:23,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:28:23,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:28:23,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:28:23,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:28:23,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:28:23,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:28:23,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:28:23,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:28:23,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:28:23,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:28:23,658 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:28:23,658 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:28:23,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:28:23,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:28:23,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:28:23,659 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a [2021-11-03 05:28:24,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:28:24,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:28:24,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:28:24,059 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:28:24,060 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:28:24,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2021-11-03 05:28:24,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data/560526983/3cbada6981c94b68bfaccd0a9b647f6b/FLAGdea3b009b [2021-11-03 05:28:25,263 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:28:25,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2021-11-03 05:28:25,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data/560526983/3cbada6981c94b68bfaccd0a9b647f6b/FLAGdea3b009b [2021-11-03 05:28:25,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/data/560526983/3cbada6981c94b68bfaccd0a9b647f6b [2021-11-03 05:28:25,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:28:25,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:28:25,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:28:25,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:28:25,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:28:25,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:28:25" (1/1) ... [2021-11-03 05:28:25,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200d8bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:25, skipping insertion in model container [2021-11-03 05:28:25,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:28:25" (1/1) ... [2021-11-03 05:28:25,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:28:25,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:28:26,151 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2021-11-03 05:28:26,159 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2021-11-03 05:28:26,196 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:28:26,206 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:28:27,593 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:27,594 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:27,595 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:27,595 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:27,596 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:27,610 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:27,611 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:27,613 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:27,613 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:28:28,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:28:28,199 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:28:28,200 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:28:28,201 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:28:28,202 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:28:28,202 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:28:28,203 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:28:28,203 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:28:28,204 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:28:28,392 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:28:28,495 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:28:28,667 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:28:28,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:28:28,741 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2021-11-03 05:28:28,741 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2021-11-03 05:28:28,743 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:28:28,744 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:28:28,810 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,812 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,813 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,814 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,814 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,828 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,831 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,832 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,832 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:28,892 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:28:28,893 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:28:28,893 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:28:28,894 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:28:28,895 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:28:28,899 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:28:28,899 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:28:28,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:28:28,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:28:28,901 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:28:28,934 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:28:29,016 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,016 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:28:29,100 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:28:29,124 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4499,4512] [2021-11-03 05:28:29,124 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_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i[4559,4572] [2021-11-03 05:28:29,126 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:28:29,126 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:28:29,187 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,188 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,189 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,195 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,195 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,196 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,196 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,226 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:28:29,226 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:28:29,227 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:28:29,227 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:28:29,228 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:28:29,228 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:28:29,229 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:28:29,230 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:28:29,230 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:28:29,230 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:28:29,288 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:28:29,398 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,398 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:28:29,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:28:29,871 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:28:29,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29 WrapperNode [2021-11-03 05:28:29,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:28:29,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:28:29,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:28:29,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:28:29,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:28:30,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:28:30,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:28:30,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:28:30,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:28:30,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:28:30,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:28:30,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:28:30,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (1/1) ... [2021-11-03 05:28:30,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:28:30,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:28:30,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:28:30,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:28:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ntohl [2021-11-03 05:28:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:28:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:28:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 05:28:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 05:28:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-03 05:28:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:28:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:28:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 05:28:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 05:28:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 05:28:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 05:28:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:28:30,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:28:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 05:28:30,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 05:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 05:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 05:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 05:28:30,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 05:28:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:28:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:28:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-03 05:28:30,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-03 05:28:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-03 05:28:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 05:28:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 05:28:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 05:28:30,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 05:28:51,915 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:28:51,916 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-11-03 05:28:51,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:28:51 BoogieIcfgContainer [2021-11-03 05:28:51,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:28:51,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:28:51,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:28:51,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:28:51,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:28:25" (1/3) ... [2021-11-03 05:28:51,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b350512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:28:51, skipping insertion in model container [2021-11-03 05:28:51,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:28:29" (2/3) ... [2021-11-03 05:28:51,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b350512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:28:51, skipping insertion in model container [2021-11-03 05:28:51,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:28:51" (3/3) ... [2021-11-03 05:28:51,928 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness.i [2021-11-03 05:28:51,934 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:28:51,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-03 05:28:52,011 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:28:52,022 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 05:28:52,031 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-03 05:28:52,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 238 states, 223 states have (on average 1.4798206278026906) internal successors, (330), 237 states have internal predecessors, (330), 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 05:28:52,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 05:28:52,078 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:28:52,078 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:28:52,079 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 05:28:52,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:28:52,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1601055385, now seen corresponding path program 1 times [2021-11-03 05:28:52,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:28:52,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278957997] [2021-11-03 05:28:52,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:28:52,114 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:28:52,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:28:52,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:28:52,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:28:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:28:56,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:28:56,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:28:56,850 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 05:28:56,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:28:57,056 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 05:28:57,057 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:28:57,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278957997] [2021-11-03 05:28:57,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278957997] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:28:57,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:28:57,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:28:57,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092288114] [2021-11-03 05:28:57,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:28:57,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:28:57,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:28:57,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:28:57,092 INFO L87 Difference]: Start difference. First operand has 238 states, 223 states have (on average 1.4798206278026906) internal successors, (330), 237 states have internal predecessors, (330), 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 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:28:57,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:28:57,161 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2021-11-03 05:28:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:28:57,162 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 05:28:57,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:28:57,180 INFO L225 Difference]: With dead ends: 471 [2021-11-03 05:28:57,180 INFO L226 Difference]: Without dead ends: 233 [2021-11-03 05:28:57,184 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 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 05:28:57,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-03 05:28:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-03 05:28:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 219 states have (on average 1.360730593607306) internal successors, (298), 232 states have internal predecessors, (298), 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 05:28:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 298 transitions. [2021-11-03 05:28:57,252 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 298 transitions. Word has length 54 [2021-11-03 05:28:57,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:28:57,253 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 298 transitions. [2021-11-03 05:28:57,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:28:57,254 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 298 transitions. [2021-11-03 05:28:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 05:28:57,257 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:28:57,257 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:28:57,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:28:57,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:28:57,458 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 05:28:57,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:28:57,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1113430879, now seen corresponding path program 1 times [2021-11-03 05:28:57,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:28:57,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922789203] [2021-11-03 05:28:57,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:28:57,463 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:28:57,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:28:57,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:28:57,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:29:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:29:01,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:29:01,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:29:02,111 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 05:29:02,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:29:02,417 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 05:29:02,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:29:02,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922789203] [2021-11-03 05:29:02,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922789203] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:29:02,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:29:02,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 05:29:02,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310469018] [2021-11-03 05:29:02,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:29:02,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:29:02,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:29:02,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:29:02,421 INFO L87 Difference]: Start difference. First operand 233 states and 298 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:29:02,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:29:02,911 INFO L93 Difference]: Finished difference Result 441 states and 564 transitions. [2021-11-03 05:29:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:29:02,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 05:29:02,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:29:02,917 INFO L225 Difference]: With dead ends: 441 [2021-11-03 05:29:02,917 INFO L226 Difference]: Without dead ends: 233 [2021-11-03 05:29:02,919 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:29:02,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-03 05:29:02,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-03 05:29:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 219 states have (on average 1.3470319634703196) internal successors, (295), 232 states have internal predecessors, (295), 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 05:29:02,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 295 transitions. [2021-11-03 05:29:02,941 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 295 transitions. Word has length 54 [2021-11-03 05:29:02,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:29:02,942 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 295 transitions. [2021-11-03 05:29:02,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:29:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 295 transitions. [2021-11-03 05:29:02,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-03 05:29:02,944 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:29:02,944 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:29:03,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-03 05:29:03,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:29:03,145 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-11-03 05:29:03,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:29:03,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1476329313, now seen corresponding path program 1 times [2021-11-03 05:29:03,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:29:03,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720202515] [2021-11-03 05:29:03,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:03,149 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:29:03,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:29:03,150 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:29:03,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb3c30a-eac0-47cd-86c0-5a0241e53a97/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:29:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:29:07,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 1870 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 05:29:07,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:29:07,961 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:07,961 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 05:29:08,167 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 05:29:08,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:29:24,002 WARN L207 SmtUtils]: Spent 15.26 s on a formula simplification. DAG size of input: 523 DAG size of output: 269 [2021-11-03 05:29:24,011 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-03 05:29:24,012 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