./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_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_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/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_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/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_d29340a9-b0cf-4980-8c4d-7901953f995a/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 01d4d945c40a0d8f8226eb600057b7aa267dec29f7781f2da62dc3d7dcc0ef56 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:13:11,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:13:11,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:13:11,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:13:11,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:13:11,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:13:11,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:13:11,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:13:11,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:13:11,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:13:11,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:13:11,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:13:11,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:13:11,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:13:11,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:13:11,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:13:11,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:13:11,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:13:11,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:13:11,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:13:11,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:13:11,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:13:11,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:13:11,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:13:11,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:13:11,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:13:11,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:13:11,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:13:11,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:13:11,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:13:11,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:13:11,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:13:11,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:13:11,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:13:11,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:13:11,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:13:11,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:13:11,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:13:11,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:13:11,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:13:11,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:13:11,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:13:11,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:13:11,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:13:11,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:13:11,210 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:13:11,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:13:11,211 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:13:11,211 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:13:11,211 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:13:11,218 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:13:11,218 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:13:11,219 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:13:11,220 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:13:11,220 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:13:11,220 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:13:11,220 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:13:11,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:13:11,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:13:11,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:13:11,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:13:11,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:13:11,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:13:11,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:13:11,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:13:11,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:13:11,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:13:11,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:13:11,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:13:11,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:13:11,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:13:11,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:13:11,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:13:11,227 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:13:11,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:13:11,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:13:11,227 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:13:11,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:13:11,228 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_d29340a9-b0cf-4980-8c4d-7901953f995a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4d945c40a0d8f8226eb600057b7aa267dec29f7781f2da62dc3d7dcc0ef56 [2021-11-03 04:13:11,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:13:11,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:13:11,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:13:11,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:13:11,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:13:11,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i [2021-11-03 04:13:11,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data/7cc0d4ab0/e8cd90d66d0e47ea9716ba76441f36cf/FLAG84022567c [2021-11-03 04:13:12,557 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:13:12,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i [2021-11-03 04:13:12,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data/7cc0d4ab0/e8cd90d66d0e47ea9716ba76441f36cf/FLAG84022567c [2021-11-03 04:13:13,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data/7cc0d4ab0/e8cd90d66d0e47ea9716ba76441f36cf [2021-11-03 04:13:13,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:13:13,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:13:13,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:13:13,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:13:13,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:13:13,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:13:13" (1/1) ... [2021-11-03 04:13:13,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633a5c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:13, skipping insertion in model container [2021-11-03 04:13:13,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:13:13" (1/1) ... [2021-11-03 04:13:13,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:13:13,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:13:13,540 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_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4494,4507] [2021-11-03 04:13:13,552 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_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4554,4567] [2021-11-03 04:13:13,590 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:13:13,597 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:13:14,776 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:14,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:14,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:14,778 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:14,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:14,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:14,795 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:14,797 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:14,798 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:15,293 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:13:15,294 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:13:15,296 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:13:15,297 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:13:15,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:13:15,300 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:13:15,301 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:13:15,302 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:13:15,303 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:13:15,303 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:13:15,513 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:13:15,528 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:13:15,534 INFO L168 Benchmark]: Toolchain (without parser) took 2483.82 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 56.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-11-03 04:13:15,535 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:13:15,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2476.79 ms. Allocated memory is still 102.8 MB. Free memory was 67.6 MB in the beginning and 56.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:13:15,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2476.79 ms. Allocated memory is still 102.8 MB. Free memory was 67.6 MB in the beginning and 56.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 38.7 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_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/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_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/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_d29340a9-b0cf-4980-8c4d-7901953f995a/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 01d4d945c40a0d8f8226eb600057b7aa267dec29f7781f2da62dc3d7dcc0ef56 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:13:17,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:13:17,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:13:17,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:13:17,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:13:17,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:13:17,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:13:17,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:13:17,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:13:17,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:13:17,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:13:17,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:13:17,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:13:18,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:13:18,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:13:18,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:13:18,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:13:18,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:13:18,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:13:18,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:13:18,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:13:18,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:13:18,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:13:18,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:13:18,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:13:18,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:13:18,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:13:18,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:13:18,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:13:18,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:13:18,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:13:18,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:13:18,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:13:18,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:13:18,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:13:18,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:13:18,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:13:18,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:13:18,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:13:18,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:13:18,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:13:18,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:13:18,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:13:18,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:13:18,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:13:18,119 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:13:18,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:13:18,119 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:13:18,120 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:13:18,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:13:18,120 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:13:18,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:13:18,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:13:18,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:13:18,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:13:18,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:13:18,124 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:13:18,124 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:13:18,124 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:13:18,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:13:18,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:13:18,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:13:18,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:13:18,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:13:18,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:13:18,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:13:18,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:13:18,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:13:18,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:13:18,127 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:13:18,127 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:13:18,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:13:18,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:13:18,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:13:18,128 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_d29340a9-b0cf-4980-8c4d-7901953f995a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4d945c40a0d8f8226eb600057b7aa267dec29f7781f2da62dc3d7dcc0ef56 [2021-11-03 04:13:18,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:13:18,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:13:18,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:13:18,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:13:18,604 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:13:18,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i [2021-11-03 04:13:18,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data/cacdf53ff/5ae01abd65af4c959f5bc59864ab5341/FLAGc279fe412 [2021-11-03 04:13:19,568 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:13:19,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i [2021-11-03 04:13:19,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data/cacdf53ff/5ae01abd65af4c959f5bc59864ab5341/FLAGc279fe412 [2021-11-03 04:13:20,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/data/cacdf53ff/5ae01abd65af4c959f5bc59864ab5341 [2021-11-03 04:13:20,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:13:20,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:13:20,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:13:20,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:13:20,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:13:20,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:13:20" (1/1) ... [2021-11-03 04:13:20,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0ec5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:20, skipping insertion in model container [2021-11-03 04:13:20,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:13:20" (1/1) ... [2021-11-03 04:13:20,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:13:20,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:13:20,531 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4494,4507] [2021-11-03 04:13:20,538 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_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4554,4567] [2021-11-03 04:13:20,566 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:13:20,573 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:13:21,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:21,982 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:21,983 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:21,985 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:21,987 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:22,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:22,009 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:22,012 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:22,013 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:22,545 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:13:22,546 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:13:22,548 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:13:22,549 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:13:22,551 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:13:22,552 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:13:22,553 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:13:22,554 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:13:22,555 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:13:22,555 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:13:22,745 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:13:22,903 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:22,904 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:22,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:13:23,061 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:13:23,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:13:23,108 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_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4494,4507] [2021-11-03 04:13:23,109 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_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4554,4567] [2021-11-03 04:13:23,111 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:13:23,112 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:13:23,161 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,161 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,162 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,162 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,163 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,170 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,171 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,172 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,172 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,209 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:13:23,210 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:13:23,211 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:13:23,211 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:13:23,212 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:13:23,213 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:13:23,214 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:13:23,214 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:13:23,215 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:13:23,215 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:13:23,236 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:13:23,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:13:23,452 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:13:23,478 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_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4494,4507] [2021-11-03 04:13:23,479 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_d29340a9-b0cf-4980-8c4d-7901953f995a/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_harness.i[4554,4567] [2021-11-03 04:13:23,480 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:13:23,481 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:13:23,531 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,539 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,539 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,540 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,541 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,585 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:13:23,586 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:13:23,586 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:13:23,626 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:13:23,626 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:13:23,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:13:23,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:13:23,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:13:23,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:13:23,629 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:13:23,671 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:13:23,812 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,812 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:13:23,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:13:24,188 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:13:24,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24 WrapperNode [2021-11-03 04:13:24,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:13:24,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:13:24,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:13:24,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:13:24,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:13:24,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:13:24,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:13:24,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:13:24,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:13:24,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:13:24,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:13:24,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:13:24,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (1/1) ... [2021-11-03 04:13:24,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:13:24,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:13:24,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:13:24,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:13:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:13:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:13:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:13:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:13:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-03 04:13:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:13:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:13:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 04:13:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 04:13:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 04:13:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 04:13:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:13:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:13:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:13:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:13:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 04:13:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 04:13:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:13:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:13:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:13:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:13:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:13:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-03 04:13:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-03 04:13:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-03 04:13:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 04:13:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 04:13:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 04:13:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 04:13:43,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:13:43,531 INFO L299 CfgBuilder]: Removed 88 assume(true) statements. [2021-11-03 04:13:43,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:13:43 BoogieIcfgContainer [2021-11-03 04:13:43,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:13:43,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:13:43,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:13:43,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:13:43,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:13:20" (1/3) ... [2021-11-03 04:13:43,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1511cd61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:13:43, skipping insertion in model container [2021-11-03 04:13:43,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:13:24" (2/3) ... [2021-11-03 04:13:43,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1511cd61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:13:43, skipping insertion in model container [2021-11-03 04:13:43,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:13:43" (3/3) ... [2021-11-03 04:13:43,549 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_harness.i [2021-11-03 04:13:43,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:13:43,556 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-11-03 04:13:43,613 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:13:43,617 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 04:13:43,618 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-03 04:13:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 173 states have (on average 1.4855491329479769) internal successors, (257), 184 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-03 04:13:43,645 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:13:43,645 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] [2021-11-03 04:13:43,646 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 04:13:43,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:13:43,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1793759102, now seen corresponding path program 1 times [2021-11-03 04:13:43,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:13:43,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695561122] [2021-11-03 04:13:43,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:13:43,675 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:13:43,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:13:43,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:13:43,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:13:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:13:47,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:13:47,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:13:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:48,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:13:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:48,307 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:13:48,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695561122] [2021-11-03 04:13:48,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695561122] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:13:48,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:13:48,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:13:48,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335197715] [2021-11-03 04:13:48,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:13:48,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:13:48,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:13:48,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:13:48,343 INFO L87 Difference]: Start difference. First operand has 185 states, 173 states have (on average 1.4855491329479769) internal successors, (257), 184 states have internal predecessors, (257), 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:48,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:13:48,398 INFO L93 Difference]: Finished difference Result 367 states and 510 transitions. [2021-11-03 04:13:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:13:48,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 38 [2021-11-03 04:13:48,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:13:48,419 INFO L225 Difference]: With dead ends: 367 [2021-11-03 04:13:48,419 INFO L226 Difference]: Without dead ends: 177 [2021-11-03 04:13:48,423 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 04:13:48,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-03 04:13:48,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-03 04:13:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 166 states have (on average 1.3614457831325302) internal successors, (226), 176 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 226 transitions. [2021-11-03 04:13:48,486 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 226 transitions. Word has length 38 [2021-11-03 04:13:48,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:13:48,487 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 226 transitions. [2021-11-03 04:13:48,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 226 transitions. [2021-11-03 04:13:48,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-03 04:13:48,489 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:13:48,489 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] [2021-11-03 04:13:48,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:13:48,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:13:48,690 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 04:13:48,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:13:48,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1799806660, now seen corresponding path program 1 times [2021-11-03 04:13:48,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:13:48,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321322517] [2021-11-03 04:13:48,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:13:48,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:13:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:13:48,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:13:48,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:13:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:13:52,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:13:52,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:13:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:53,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:13:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:53,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:13:53,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321322517] [2021-11-03 04:13:53,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321322517] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:13:53,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:13:53,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:13:53,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364771266] [2021-11-03 04:13:53,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:13:53,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:13:53,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:13:53,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:13:53,447 INFO L87 Difference]: Start difference. First operand 177 states and 226 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:53,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:13:53,818 INFO L93 Difference]: Finished difference Result 333 states and 425 transitions. [2021-11-03 04:13:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:13:53,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2021-11-03 04:13:53,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:13:53,823 INFO L225 Difference]: With dead ends: 333 [2021-11-03 04:13:53,823 INFO L226 Difference]: Without dead ends: 177 [2021-11-03 04:13:53,825 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:13:53,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-03 04:13:53,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-03 04:13:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 166 states have (on average 1.3433734939759037) internal successors, (223), 176 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 223 transitions. [2021-11-03 04:13:53,839 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 223 transitions. Word has length 38 [2021-11-03 04:13:53,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:13:53,839 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 223 transitions. [2021-11-03 04:13:53,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2021-11-03 04:13:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-03 04:13:53,842 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:13:53,842 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] [2021-11-03 04:13:53,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:13:54,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:13:54,055 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 04:13:54,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:13:54,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1750210556, now seen corresponding path program 1 times [2021-11-03 04:13:54,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:13:54,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818810673] [2021-11-03 04:13:54,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:13:54,061 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:13:54,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:13:54,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:13:54,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:13:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:13:58,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1819 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:13:58,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:13:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:59,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:13:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:59,392 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:13:59,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818810673] [2021-11-03 04:13:59,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818810673] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:13:59,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:13:59,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:13:59,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533691305] [2021-11-03 04:13:59,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:13:59,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:13:59,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:13:59,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:13:59,394 INFO L87 Difference]: Start difference. First operand 177 states and 223 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:13:59,752 INFO L93 Difference]: Finished difference Result 298 states and 375 transitions. [2021-11-03 04:13:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:13:59,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 42 [2021-11-03 04:13:59,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:13:59,761 INFO L225 Difference]: With dead ends: 298 [2021-11-03 04:13:59,761 INFO L226 Difference]: Without dead ends: 177 [2021-11-03 04:13:59,762 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:13:59,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-11-03 04:13:59,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-11-03 04:13:59,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 166 states have (on average 1.3253012048192772) internal successors, (220), 176 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 220 transitions. [2021-11-03 04:13:59,776 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 220 transitions. Word has length 42 [2021-11-03 04:13:59,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:13:59,776 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 220 transitions. [2021-11-03 04:13:59,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:13:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 220 transitions. [2021-11-03 04:13:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 04:13:59,779 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:13:59,779 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:13:59,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:14:00,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:14:00,003 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-03 04:14:00,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:14:00,004 INFO L85 PathProgramCache]: Analyzing trace with hash -62787625, now seen corresponding path program 1 times [2021-11-03 04:14:00,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:14:00,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574709348] [2021-11-03 04:14:00,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:14:00,008 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:14:00,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:14:00,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:14:00,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:14:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:14:04,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 04:14:04,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:14:05,700 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:14:05,701 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 155 treesize of output 59 [2021-11-03 04:14:05,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:14:05,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:14:17,006 WARN L207 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 523 DAG size of output: 169 [2021-11-03 04:14:17,011 INFO L354 Elim1Store]: treesize reduction 1138, result has 27.7 percent of original size [2021-11-03 04:14:17,012 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 128 treesize of output 470 [2021-11-03 04:19:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:56,766 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:19:56,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574709348] [2021-11-03 04:19:56,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574709348] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:56,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:56,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 14 [2021-11-03 04:19:56,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572634662] [2021-11-03 04:19:56,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 04:19:56,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:19:56,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 04:19:56,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:19:56,769 INFO L87 Difference]: Start difference. First operand 177 states and 220 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:34,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:34,776 INFO L93 Difference]: Finished difference Result 518 states and 639 transitions. [2021-11-03 04:20:34,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-03 04:20:34,779 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-03 04:20:34,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:34,782 INFO L225 Difference]: With dead ends: 518 [2021-11-03 04:20:34,783 INFO L226 Difference]: Without dead ends: 375 [2021-11-03 04:20:34,784 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2021-11-03 04:20:34,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-03 04:20:34,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 210. [2021-11-03 04:20:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 199 states have (on average 1.3015075376884422) internal successors, (259), 209 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 259 transitions. [2021-11-03 04:20:34,807 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 259 transitions. Word has length 44 [2021-11-03 04:20:34,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:34,808 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 259 transitions. [2021-11-03 04:20:34,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 259 transitions. [2021-11-03 04:20:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 04:20:34,811 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:34,812 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:20:34,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-03 04:20:35,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:35,035 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-03 04:20:35,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:35,036 INFO L85 PathProgramCache]: Analyzing trace with hash -872134251, now seen corresponding path program 1 times [2021-11-03 04:20:35,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:35,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953077612] [2021-11-03 04:20:35,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:35,040 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:35,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:35,041 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:35,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:20:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:39,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:20:39,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:40,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:40,747 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:20:40,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953077612] [2021-11-03 04:20:40,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953077612] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:40,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:40,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-03 04:20:40,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210551804] [2021-11-03 04:20:40,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:20:40,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:20:40,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:20:40,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:20:40,750 INFO L87 Difference]: Start difference. First operand 210 states and 259 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:43,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:43,505 INFO L93 Difference]: Finished difference Result 428 states and 526 transitions. [2021-11-03 04:20:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 04:20:43,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-03 04:20:43,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:43,515 INFO L225 Difference]: With dead ends: 428 [2021-11-03 04:20:43,515 INFO L226 Difference]: Without dead ends: 324 [2021-11-03 04:20:43,516 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:20:43,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-03 04:20:43,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 212. [2021-11-03 04:20:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 201 states have (on average 1.2985074626865671) internal successors, (261), 211 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 04:20:43,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 261 transitions. [2021-11-03 04:20:43,530 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 261 transitions. Word has length 44 [2021-11-03 04:20:43,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:43,531 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 261 transitions. [2021-11-03 04:20:43,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 261 transitions. [2021-11-03 04:20:43,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 04:20:43,533 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:43,534 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] [2021-11-03 04:20:43,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:20:43,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:43,748 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-03 04:20:43,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:43,749 INFO L85 PathProgramCache]: Analyzing trace with hash -529441823, now seen corresponding path program 1 times [2021-11-03 04:20:43,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:43,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114126565] [2021-11-03 04:20:43,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:43,753 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:43,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:43,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:43,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:20:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:48,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:20:48,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:49,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:49,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:49,677 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:20:49,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114126565] [2021-11-03 04:20:49,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114126565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:49,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:49,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-03 04:20:49,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385696616] [2021-11-03 04:20:49,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:20:49,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:20:49,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:20:49,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:20:49,680 INFO L87 Difference]: Start difference. First operand 212 states and 261 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:52,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:52,477 INFO L93 Difference]: Finished difference Result 428 states and 525 transitions. [2021-11-03 04:20:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 04:20:52,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-03 04:20:52,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:52,485 INFO L225 Difference]: With dead ends: 428 [2021-11-03 04:20:52,485 INFO L226 Difference]: Without dead ends: 324 [2021-11-03 04:20:52,486 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-03 04:20:52,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-11-03 04:20:52,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 210. [2021-11-03 04:20:52,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 199 states have (on average 1.2964824120603016) internal successors, (258), 209 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 258 transitions. [2021-11-03 04:20:52,499 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 258 transitions. Word has length 45 [2021-11-03 04:20:52,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:52,500 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 258 transitions. [2021-11-03 04:20:52,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 258 transitions. [2021-11-03 04:20:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 04:20:52,503 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:52,503 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] [2021-11-03 04:20:52,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:20:52,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:52,727 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-03 04:20:52,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:52,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2001336784, now seen corresponding path program 1 times [2021-11-03 04:20:52,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:52,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279634286] [2021-11-03 04:20:52,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:52,734 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:52,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:52,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:52,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:20:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:57,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:20:57,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:58,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:58,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:20:58,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279634286] [2021-11-03 04:20:58,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279634286] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:58,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:58,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-03 04:20:58,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907887401] [2021-11-03 04:20:58,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:20:58,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:20:58,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:20:58,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:20:58,249 INFO L87 Difference]: Start difference. First operand 210 states and 258 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:59,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:59,564 INFO L93 Difference]: Finished difference Result 369 states and 443 transitions. [2021-11-03 04:20:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:20:59,565 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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 46 [2021-11-03 04:20:59,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:59,567 INFO L225 Difference]: With dead ends: 369 [2021-11-03 04:20:59,568 INFO L226 Difference]: Without dead ends: 359 [2021-11-03 04:20:59,569 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:20:59,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-11-03 04:20:59,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 230. [2021-11-03 04:20:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 219 states have (on average 1.269406392694064) internal successors, (278), 229 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 278 transitions. [2021-11-03 04:20:59,584 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 278 transitions. Word has length 46 [2021-11-03 04:20:59,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:59,585 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 278 transitions. [2021-11-03 04:20:59,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:20:59,585 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 278 transitions. [2021-11-03 04:20:59,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 04:20:59,587 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:59,587 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] [2021-11-03 04:20:59,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:20:59,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:59,795 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-11-03 04:20:59,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:59,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2094852360, now seen corresponding path program 1 times [2021-11-03 04:20:59,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:59,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11834866] [2021-11-03 04:20:59,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:59,802 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:59,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:59,803 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:59,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29340a9-b0cf-4980-8c4d-7901953f995a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 04:21:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:21:39,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1834 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-03 04:21:39,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:21:40,690 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:21:40,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 114 [2021-11-03 04:21:40,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:21:40,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:21:40,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:21:40,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:21:40,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:21:40,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:21:40,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:21:40,897 INFO L354 Elim1Store]: treesize reduction 136, result has 29.5 percent of original size [2021-11-03 04:21:40,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 90 treesize of output 138 [2021-11-03 04:21:41,220 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 04:21:41,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:21:41,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:21:41,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 511 [2021-11-03 04:21:43,657 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base|) (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) v_DerPreprocessor_1) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset| ((_ extract 7 0) (_ bv0 64))) (bvadd (_ bv1 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 15 8) (_ bv0 64))) (bvadd (_ bv2 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 23 16) (_ bv0 64))) (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 31 24) (_ bv0 64))) (bvadd (_ bv4 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 39 32) (_ bv0 64))) (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset| (_ bv5 64)) ((_ extract 47 40) (_ bv0 64))) (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset| (_ bv6 64)) ((_ extract 55 48) (_ bv0 64))) (bvadd (_ bv7 64) |c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.offset|) ((_ extract 63 56) (_ bv0 64)))) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv7 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset)) (select .cse0 (bvadd (_ bv6 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv5 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv4 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv1 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))))) is different from false [2021-11-03 04:21:45,807 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base|) (_ bv8 64) v_DerPreprocessor_1) (_ bv0 64) ((_ extract 7 0) (_ bv0 64))) (_ bv1 64) ((_ extract 15 8) (_ bv0 64))) (_ bv2 64) ((_ extract 23 16) (_ bv0 64))) (_ bv3 64) ((_ extract 31 24) (_ bv0 64))) (_ bv4 64) ((_ extract 39 32) (_ bv0 64))) (_ bv5 64) ((_ extract 47 40) (_ bv0 64))) (_ bv6 64) ((_ extract 55 48) (_ bv0 64))) (_ bv7 64) ((_ extract 63 56) (_ bv0 64)))) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv7 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset)) (select .cse0 (bvadd (_ bv6 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv5 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv4 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 (bvadd (_ bv1 64) c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))) (select .cse0 c_ULTIMATE.start_aws_byte_cursor_advance_nospec_~cursor.offset))))) is different from false [2021-11-03 04:21:48,038 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 8))) (= (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base|) (_ bv8 64) v_DerPreprocessor_1) (_ bv0 64) ((_ extract 7 0) (_ bv0 64))) (_ bv1 64) ((_ extract 15 8) (_ bv0 64))) (_ bv2 64) ((_ extract 23 16) (_ bv0 64))) (_ bv3 64) ((_ extract 31 24) (_ bv0 64))) (_ bv4 64) ((_ extract 39 32) (_ bv0 64))) (_ bv5 64) ((_ extract 47 40) (_ bv0 64))) (_ bv6 64) ((_ extract 55 48) (_ bv0 64))) (_ bv7 64) ((_ extract 63 56) (_ bv0 64)))) c_ULTIMATE.start_aws_byte_cursor_read_~cur.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset (_ bv7 64))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset (_ bv6 64)))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset (_ bv5 64)))) (select .cse0 (bvadd (_ bv4 64) c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (select .cse0 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (select .cse0 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (select .cse0 (bvadd (_ bv1 64) c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (select .cse0 c_ULTIMATE.start_aws_byte_cursor_read_~cur.offset))) (_ bv0 64))) is different from false [2021-11-03 04:21:50,281 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_nospec_~#rv~7.base|) (_ bv8 64) v_DerPreprocessor_1) (_ bv0 64) ((_ extract 7 0) (_ bv0 64))) (_ bv1 64) ((_ extract 15 8) (_ bv0 64))) (_ bv2 64) ((_ extract 23 16) (_ bv0 64))) (_ bv3 64) ((_ extract 31 24) (_ bv0 64))) (_ bv4 64) ((_ extract 39 32) (_ bv0 64))) (_ bv5 64) ((_ extract 47 40) (_ bv0 64))) (_ bv6 64) ((_ extract 55 48) (_ bv0 64))) (_ bv7 64) ((_ extract 63 56) (_ bv0 64)))) |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv7 64))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv6 64)))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv5 64)))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv4 64)))) (select .cse0 (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset|))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv2 64)))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset| (_ bv1 64)))) (select .cse0 |c_ULTIMATE.start_aws_byte_cursor_read_harness_~#cur~3.offset|))))) is different from false