./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_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_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/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_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/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_0b02bec6-379f-4553-a240-e178b701fa75/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 2fd96106837ff3ee9325c248fea6969b94a5a1f2cee078fd159398f70369aafc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:58:01,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:58:01,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:58:01,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:58:01,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:58:01,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:58:01,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:58:01,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:58:01,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:58:01,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:58:01,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:58:01,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:58:01,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:58:01,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:58:01,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:58:01,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:58:01,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:58:01,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:58:01,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:58:01,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:58:01,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:58:01,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:58:01,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:58:01,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:58:01,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:58:01,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:58:01,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:58:01,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:58:01,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:58:01,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:58:01,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:58:01,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:58:01,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:58:01,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:58:01,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:58:01,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:58:01,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:58:01,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:58:01,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:58:01,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:58:01,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:58:01,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:58:01,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:58:01,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:58:01,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:58:01,972 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:58:01,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:58:01,972 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:58:01,973 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:58:01,973 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:58:01,979 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:58:01,979 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:58:01,980 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:58:01,981 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:58:01,981 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:58:01,981 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:58:01,981 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:58:01,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:58:01,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:58:01,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:58:01,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:58:01,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:58:01,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:58:01,985 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:58:01,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:58:01,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:58:01,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:58:01,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:58:01,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:58:01,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:58:01,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:58:01,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:58:01,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:58:01,989 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:58:01,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:58:01,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:58:01,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:58:01,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:58:01,990 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_0b02bec6-379f-4553-a240-e178b701fa75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fd96106837ff3ee9325c248fea6969b94a5a1f2cee078fd159398f70369aafc [2021-11-03 04:58:02,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:58:02,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:58:02,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:58:02,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:58:02,253 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:58:02,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2021-11-03 04:58:02,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data/2df9e1906/d4812683ff5949a793e366940f5b2a65/FLAGbebc52479 [2021-11-03 04:58:03,137 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:58:03,138 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2021-11-03 04:58:03,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data/2df9e1906/d4812683ff5949a793e366940f5b2a65/FLAGbebc52479 [2021-11-03 04:58:03,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data/2df9e1906/d4812683ff5949a793e366940f5b2a65 [2021-11-03 04:58:03,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:58:03,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:58:03,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:03,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:58:03,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:58:03,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:03" (1/1) ... [2021-11-03 04:58:03,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c2c442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:03, skipping insertion in model container [2021-11-03 04:58:03,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:03" (1/1) ... [2021-11-03 04:58:03,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:58:03,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:58:04,125 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_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i[4499,4512] [2021-11-03 04:58:04,133 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_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i[4559,4572] [2021-11-03 04:58:04,157 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:58:04,163 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:58:05,119 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,122 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,122 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,123 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,124 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,140 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,141 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,143 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,144 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:05,622 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:58:05,623 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:58:05,625 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:58:05,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:58:05,633 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:58:05,634 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:58:05,634 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:58:05,635 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:58:05,636 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:58:05,636 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:58:05,858 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:58:05,933 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:58:05,952 INFO L168 Benchmark]: Toolchain (without parser) took 2279.46 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 52.3 MB in the beginning and 85.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:05,952 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:58:05,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2277.19 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 52.1 MB in the beginning and 85.5 MB in the end (delta: -33.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:58:05,955 INFO L339 ainManager$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 92.3 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2277.19 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 52.1 MB in the beginning and 85.5 MB in the end (delta: -33.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/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_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/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_0b02bec6-379f-4553-a240-e178b701fa75/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 2fd96106837ff3ee9325c248fea6969b94a5a1f2cee078fd159398f70369aafc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:58:08,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:58:08,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:58:08,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:58:08,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:58:08,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:58:08,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:58:08,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:58:08,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:58:08,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:58:08,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:58:08,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:58:08,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:58:08,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:58:08,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:58:08,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:58:08,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:58:08,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:58:08,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:58:08,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:58:08,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:58:08,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:58:08,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:58:08,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:58:08,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:58:08,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:58:08,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:58:08,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:58:08,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:58:08,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:58:08,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:58:08,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:58:08,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:58:08,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:58:08,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:58:08,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:58:08,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:58:08,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:58:08,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:58:08,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:58:08,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:58:08,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:58:08,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:58:08,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:58:08,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:58:08,275 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:58:08,275 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:58:08,276 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:58:08,276 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:58:08,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:58:08,276 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:58:08,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:58:08,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:58:08,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:58:08,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:58:08,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:58:08,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:58:08,278 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:58:08,279 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:58:08,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:58:08,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:58:08,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:58:08,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:58:08,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:58:08,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:58:08,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:58:08,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:58:08,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:58:08,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:58:08,281 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:58:08,281 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:58:08,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:58:08,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:58:08,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:58:08,282 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_0b02bec6-379f-4553-a240-e178b701fa75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fd96106837ff3ee9325c248fea6969b94a5a1f2cee078fd159398f70369aafc [2021-11-03 04:58:08,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:58:08,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:58:08,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:58:08,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:58:08,682 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:58:08,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2021-11-03 04:58:08,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data/125279af9/ba70ba797ac7416d9e456477bfa171aa/FLAG3f1d11a03 [2021-11-03 04:58:09,656 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:58:09,657 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2021-11-03 04:58:09,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data/125279af9/ba70ba797ac7416d9e456477bfa171aa/FLAG3f1d11a03 [2021-11-03 04:58:10,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/data/125279af9/ba70ba797ac7416d9e456477bfa171aa [2021-11-03 04:58:10,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:58:10,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:58:10,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:10,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:58:10,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:58:10,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:10" (1/1) ... [2021-11-03 04:58:10,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69664651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:10, skipping insertion in model container [2021-11-03 04:58:10,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:58:10" (1/1) ... [2021-11-03 04:58:10,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:58:10,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:58:10,667 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_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i[4499,4512] [2021-11-03 04:58:10,674 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_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i[4559,4572] [2021-11-03 04:58:10,701 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:58:10,707 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:58:12,091 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,093 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,095 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,097 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,098 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,119 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,122 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,123 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,612 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:58:12,613 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:58:12,614 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:58:12,615 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:58:12,617 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:58:12,617 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:58:12,618 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:58:12,619 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:58:12,619 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:58:12,620 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:58:12,808 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:58:12,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:12,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:13,124 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:58:13,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:58:13,191 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_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i[4499,4512] [2021-11-03 04:58:13,191 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_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i[4559,4572] [2021-11-03 04:58:13,193 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:58:13,193 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:58:13,248 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,248 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,249 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,249 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,250 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,263 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,264 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,265 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,265 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,312 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:58:13,312 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:58:13,313 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:58:13,314 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:58:13,314 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:58:13,315 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:58:13,315 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:58:13,316 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:58:13,316 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:58:13,316 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:58:13,346 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:58:13,432 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,432 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:13,508 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:58:13,521 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_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i[4499,4512] [2021-11-03 04:58:13,521 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_0b02bec6-379f-4553-a240-e178b701fa75/sv-benchmarks/c/aws-c-common/aws_byte_cursor_trim_pred_harness.i[4559,4572] [2021-11-03 04:58:13,523 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:58:13,524 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:58:13,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,552 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,552 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,553 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,578 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,578 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,579 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,579 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,606 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:58:13,606 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:58:13,607 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:58:13,607 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:58:13,608 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:58:13,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:58:13,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:58:13,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:58:13,610 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:58:13,610 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:58:13,628 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:58:13,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:58:13,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:58:14,223 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:58:14,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14 WrapperNode [2021-11-03 04:58:14,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:58:14,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:58:14,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:58:14,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:58:14,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:58:14,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:58:14,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:58:14,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:58:14,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:58:14,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:58:14,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:58:14,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:58:14,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (1/1) ... [2021-11-03 04:58:14,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:58:14,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:58:14,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:58:14,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:58:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:58:14,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:58:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:58:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:58:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:58:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:58:29,357 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:58:29,358 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-03 04:58:29,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:58:29 BoogieIcfgContainer [2021-11-03 04:58:29,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:58:29,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:58:29,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:58:29,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:58:29,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:58:10" (1/3) ... [2021-11-03 04:58:29,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab25e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:58:29, skipping insertion in model container [2021-11-03 04:58:29,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:58:14" (2/3) ... [2021-11-03 04:58:29,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab25e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:58:29, skipping insertion in model container [2021-11-03 04:58:29,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:58:29" (3/3) ... [2021-11-03 04:58:29,367 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_trim_pred_harness.i [2021-11-03 04:58:29,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:58:29,384 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-03 04:58:29,447 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:58:29,466 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 04:58:29,466 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-03 04:58:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 222 states, 212 states have (on average 1.4622641509433962) internal successors, (310), 221 states have internal predecessors, (310), 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 04:58:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 04:58:29,502 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:29,502 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] [2021-11-03 04:58:29,504 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:58:29,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:29,515 INFO L85 PathProgramCache]: Analyzing trace with hash 421514890, now seen corresponding path program 1 times [2021-11-03 04:58:29,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:58:29,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616206446] [2021-11-03 04:58:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:29,542 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:58:29,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:58:29,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:58:29,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:58:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:58:33,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:58:33,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:58:33,842 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 04:58:33,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:58:33,969 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 04:58:33,970 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:58:33,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616206446] [2021-11-03 04:58:33,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1616206446] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:58:33,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:58:33,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:58:33,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129559969] [2021-11-03 04:58:33,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:58:33,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:58:33,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:58:33,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:58:33,993 INFO L87 Difference]: Start difference. First operand has 222 states, 212 states have (on average 1.4622641509433962) internal successors, (310), 221 states have internal predecessors, (310), 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 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 04:58:34,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:58:34,025 INFO L93 Difference]: Finished difference Result 440 states and 615 transitions. [2021-11-03 04:58:34,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:58:34,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 37 [2021-11-03 04:58:34,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:58:34,039 INFO L225 Difference]: With dead ends: 440 [2021-11-03 04:58:34,039 INFO L226 Difference]: Without dead ends: 215 [2021-11-03 04:58:34,042 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 04:58:34,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-03 04:58:34,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-11-03 04:58:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 206 states have (on average 1.3592233009708738) internal successors, (280), 214 states have internal predecessors, (280), 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 04:58:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 280 transitions. [2021-11-03 04:58:34,116 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 280 transitions. Word has length 37 [2021-11-03 04:58:34,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:58:34,117 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 280 transitions. [2021-11-03 04:58:34,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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 04:58:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 280 transitions. [2021-11-03 04:58:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 04:58:34,120 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:34,120 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] [2021-11-03 04:58:34,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:58:34,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:58:34,329 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:58:34,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:34,330 INFO L85 PathProgramCache]: Analyzing trace with hash -664833379, now seen corresponding path program 1 times [2021-11-03 04:58:34,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:58:34,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987549157] [2021-11-03 04:58:34,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:34,340 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:58:34,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:58:34,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:58:34,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:58:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:58:38,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:58:38,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:58:38,738 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 04:58:38,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:58:38,928 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 04:58:38,928 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:58:38,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987549157] [2021-11-03 04:58:38,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987549157] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:58:38,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:58:38,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:58:38,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234744681] [2021-11-03 04:58:38,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:58:38,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:58:38,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:58:38,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:58:38,931 INFO L87 Difference]: Start difference. First operand 215 states and 280 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 04:58:39,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:58:39,307 INFO L93 Difference]: Finished difference Result 409 states and 533 transitions. [2021-11-03 04:58:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:58:39,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2021-11-03 04:58:39,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:58:39,310 INFO L225 Difference]: With dead ends: 409 [2021-11-03 04:58:39,310 INFO L226 Difference]: Without dead ends: 215 [2021-11-03 04:58:39,311 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 04:58:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-03 04:58:39,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-11-03 04:58:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 206 states have (on average 1.3446601941747574) internal successors, (277), 214 states have internal predecessors, (277), 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 04:58:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 277 transitions. [2021-11-03 04:58:39,329 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 277 transitions. Word has length 39 [2021-11-03 04:58:39,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:58:39,329 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 277 transitions. [2021-11-03 04:58:39,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 04:58:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 277 transitions. [2021-11-03 04:58:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 04:58:39,332 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:39,332 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] [2021-11-03 04:58:39,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:58:39,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:58:39,557 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:58:39,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:39,558 INFO L85 PathProgramCache]: Analyzing trace with hash -2046081283, now seen corresponding path program 1 times [2021-11-03 04:58:39,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:58:39,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522849726] [2021-11-03 04:58:39,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:39,571 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:58:39,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:58:39,573 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:58:39,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:58:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:58:43,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:58:43,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:58:44,201 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 04:58:44,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:58:44,452 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 04:58:44,453 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:58:44,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522849726] [2021-11-03 04:58:44,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522849726] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:58:44,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:58:44,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:58:44,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046243636] [2021-11-03 04:58:44,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:58:44,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:58:44,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:58:44,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:58:44,455 INFO L87 Difference]: Start difference. First operand 215 states and 277 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 04:58:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:58:44,899 INFO L93 Difference]: Finished difference Result 376 states and 485 transitions. [2021-11-03 04:58:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:58:44,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 43 [2021-11-03 04:58:44,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:58:44,910 INFO L225 Difference]: With dead ends: 376 [2021-11-03 04:58:44,910 INFO L226 Difference]: Without dead ends: 215 [2021-11-03 04:58:44,913 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 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 04:58:44,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-03 04:58:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-11-03 04:58:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 206 states have (on average 1.3349514563106797) internal successors, (275), 214 states have internal predecessors, (275), 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 04:58:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 275 transitions. [2021-11-03 04:58:44,935 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 275 transitions. Word has length 43 [2021-11-03 04:58:44,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:58:44,935 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 275 transitions. [2021-11-03 04:58:44,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 04:58:44,936 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 275 transitions. [2021-11-03 04:58:44,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 04:58:44,937 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:44,938 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 04:58:44,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-03 04:58:45,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:58:45,152 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:58:45,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:45,154 INFO L85 PathProgramCache]: Analyzing trace with hash 226547298, now seen corresponding path program 1 times [2021-11-03 04:58:45,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:58:45,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052590968] [2021-11-03 04:58:45,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:45,162 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:58:45,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:58:45,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:58:45,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:58:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:58:49,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 1806 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:58:49,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:58:49,918 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 04:58:49,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:58:50,197 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 04:58:50,197 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:58:50,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052590968] [2021-11-03 04:58:50,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052590968] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:58:50,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:58:50,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-03 04:58:50,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056561260] [2021-11-03 04:58:50,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:58:50,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:58:50,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:58:50,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:58:50,200 INFO L87 Difference]: Start difference. First operand 215 states and 275 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 04:58:50,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:58:50,708 INFO L93 Difference]: Finished difference Result 355 states and 454 transitions. [2021-11-03 04:58:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:58:50,709 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 04:58:50,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:58:50,711 INFO L225 Difference]: With dead ends: 355 [2021-11-03 04:58:50,711 INFO L226 Difference]: Without dead ends: 215 [2021-11-03 04:58:50,712 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:58:50,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-03 04:58:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-11-03 04:58:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 206 states have (on average 1.3300970873786409) internal successors, (274), 214 states have internal predecessors, (274), 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 04:58:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 274 transitions. [2021-11-03 04:58:50,723 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 274 transitions. Word has length 45 [2021-11-03 04:58:50,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:58:50,724 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 274 transitions. [2021-11-03 04:58:50,724 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 04:58:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 274 transitions. [2021-11-03 04:58:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 04:58:50,726 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:58:50,726 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:58:50,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:58:50,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:58:50,941 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-03 04:58:50,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:58:50,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1272350845, now seen corresponding path program 1 times [2021-11-03 04:58:50,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:58:50,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141299781] [2021-11-03 04:58:50,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:58:50,945 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:58:50,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:58:50,947 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:58:50,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b02bec6-379f-4553-a240-e178b701fa75/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:58:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:58:55,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-03 04:58:55,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:58:56,693 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 04:58:56,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:59:08,152 WARN L207 SmtUtils]: Spent 9.64 s on a formula simplification. DAG size of input: 523 DAG size of output: 269 [2021-11-03 04:59:08,161 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-03 04:59:08,163 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 771