./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/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 99ee682e10e695b9eb1615836043680c46e24c4df6227faaade6163d2feea99e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:31:09,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:31:09,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:31:10,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:31:10,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:31:10,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:31:10,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:31:10,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:31:10,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:31:10,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:31:10,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:31:10,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:31:10,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:31:10,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:31:10,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:31:10,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:31:10,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:31:10,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:31:10,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:31:10,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:31:10,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:31:10,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:31:10,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:31:10,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:31:10,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:31:10,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:31:10,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:31:10,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:31:10,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:31:10,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:31:10,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:31:10,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:31:10,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:31:10,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:31:10,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:31:10,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:31:10,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:31:10,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:31:10,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:31:10,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:31:10,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:31:10,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:31:10,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:31:10,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:31:10,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:31:10,147 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:31:10,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:31:10,147 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:31:10,147 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:31:10,147 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:31:10,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:31:10,154 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:31:10,155 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:31:10,155 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:31:10,155 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:31:10,155 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:31:10,156 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:31:10,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:31:10,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:31:10,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:31:10,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:31:10,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:31:10,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:31:10,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:31:10,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:31:10,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:31:10,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:31:10,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:31:10,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:31:10,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:31:10,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:31:10,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:31:10,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:31:10,161 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:31:10,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:31:10,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:31:10,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:31:10,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:31:10,162 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99ee682e10e695b9eb1615836043680c46e24c4df6227faaade6163d2feea99e [2021-11-03 05:31:10,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:31:10,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:31:10,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:31:10,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:31:10,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:31:10,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i [2021-11-03 05:31:10,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data/02c7f11d9/c1e49a2afcd044ab87d64d47c1c04639/FLAG73c1e9b76 [2021-11-03 05:31:11,393 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:31:11,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i [2021-11-03 05:31:11,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data/02c7f11d9/c1e49a2afcd044ab87d64d47c1c04639/FLAG73c1e9b76 [2021-11-03 05:31:11,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data/02c7f11d9/c1e49a2afcd044ab87d64d47c1c04639 [2021-11-03 05:31:11,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:31:11,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:31:11,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:31:11,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:31:11,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:31:11,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:31:11" (1/1) ... [2021-11-03 05:31:11,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650f5053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:11, skipping insertion in model container [2021-11-03 05:31:11,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:31:11" (1/1) ... [2021-11-03 05:31:11,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:31:12,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:31:12,315 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-03 05:31:12,322 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-03 05:31:12,347 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:31:12,352 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:31:13,176 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,177 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,178 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,179 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,179 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,194 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,195 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,197 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,197 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:13,621 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:31:13,622 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:31:13,623 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:31:13,624 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:31:13,626 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:31:13,626 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:31:13,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:31:13,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:31:13,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:31:13,629 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:31:13,788 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:31:13,803 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1369) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2938) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2101) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:31:13,808 INFO L168 Benchmark]: Toolchain (without parser) took 1932.93 ms. Allocated memory is still 125.8 MB. Free memory was 83.8 MB in the beginning and 66.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-11-03 05:31:13,808 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:31:13,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1928.71 ms. Allocated memory is still 125.8 MB. Free memory was 83.5 MB in the beginning and 66.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:31:13,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 86.0 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1928.71 ms. Allocated memory is still 125.8 MB. Free memory was 83.5 MB in the beginning and 66.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 19.2 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/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 99ee682e10e695b9eb1615836043680c46e24c4df6227faaade6163d2feea99e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:31:15,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:31:15,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:31:16,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:31:16,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:31:16,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:31:16,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:31:16,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:31:16,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:31:16,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:31:16,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:31:16,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:31:16,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:31:16,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:31:16,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:31:16,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:31:16,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:31:16,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:31:16,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:31:16,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:31:16,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:31:16,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:31:16,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:31:16,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:31:16,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:31:16,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:31:16,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:31:16,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:31:16,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:31:16,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:31:16,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:31:16,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:31:16,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:31:16,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:31:16,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:31:16,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:31:16,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:31:16,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:31:16,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:31:16,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:31:16,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:31:16,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:31:16,133 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:31:16,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:31:16,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:31:16,135 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:31:16,135 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:31:16,135 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:31:16,135 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:31:16,135 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:31:16,136 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:31:16,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:31:16,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:31:16,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:31:16,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:31:16,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:31:16,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:31:16,140 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:31:16,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:31:16,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:31:16,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:31:16,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:31:16,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:31:16,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:31:16,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:31:16,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:31:16,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:31:16,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:31:16,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:31:16,142 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:31:16,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:31:16,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:31:16,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:31:16,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:31:16,143 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99ee682e10e695b9eb1615836043680c46e24c4df6227faaade6163d2feea99e [2021-11-03 05:31:16,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:31:16,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:31:16,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:31:16,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:31:16,495 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:31:16,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i [2021-11-03 05:31:16,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data/070c42b87/8fa71668af014f4ca0c34d2024cce7e9/FLAG66263222c [2021-11-03 05:31:17,567 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:31:17,567 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i [2021-11-03 05:31:17,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data/070c42b87/8fa71668af014f4ca0c34d2024cce7e9/FLAG66263222c [2021-11-03 05:31:18,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/data/070c42b87/8fa71668af014f4ca0c34d2024cce7e9 [2021-11-03 05:31:18,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:31:18,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:31:18,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:31:18,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:31:18,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:31:18,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:31:18" (1/1) ... [2021-11-03 05:31:18,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd6e202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:18, skipping insertion in model container [2021-11-03 05:31:18,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:31:18" (1/1) ... [2021-11-03 05:31:18,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:31:18,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:31:18,550 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-03 05:31:18,563 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-03 05:31:18,586 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:31:18,597 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:31:19,371 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,372 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,373 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,374 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,375 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,389 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,390 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,391 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,392 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:19,765 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:31:19,766 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:31:19,767 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:31:19,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:31:19,770 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:31:19,771 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:31:19,771 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:31:19,772 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:31:19,772 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:31:19,773 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:31:19,932 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:31:20,091 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,097 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:31:20,238 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:31:20,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:31:20,312 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-03 05:31:20,313 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-03 05:31:20,314 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:31:20,316 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:31:20,372 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,373 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,373 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,374 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,374 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,393 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,394 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,395 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,395 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,430 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:31:20,431 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:31:20,432 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:31:20,432 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:31:20,433 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:31:20,434 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:31:20,434 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:31:20,434 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:31:20,435 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:31:20,435 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:31:20,455 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:31:20,523 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,524 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:31:20,578 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:31:20,590 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4492,4505] [2021-11-03 05:31:20,591 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_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_harness.i[4552,4565] [2021-11-03 05:31:20,592 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:31:20,593 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:31:20,648 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,650 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,656 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,657 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,689 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:31:20,690 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:31:20,691 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:31:20,691 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:31:20,692 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:31:20,692 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:31:20,693 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:31:20,694 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:31:20,694 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:31:20,695 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:31:20,720 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:31:20,840 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,841 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:31:20,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:31:21,243 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:31:21,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21 WrapperNode [2021-11-03 05:31:21,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:31:21,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:31:21,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:31:21,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:31:21,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:31:21,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:31:21,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:31:21,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:31:21,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:31:21,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:31:21,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:31:21,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:31:21,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (1/1) ... [2021-11-03 05:31:21,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:31:21,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:31:21,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:31:21,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:31:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:31:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:31:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 05:31:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:31:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:31:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:31:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 05:31:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 05:31:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:31:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 05:31:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 05:31:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:31:34,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:31:34,445 INFO L299 CfgBuilder]: Removed 73 assume(true) statements. [2021-11-03 05:31:34,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:31:34 BoogieIcfgContainer [2021-11-03 05:31:34,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:31:34,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:31:34,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:31:34,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:31:34,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:31:18" (1/3) ... [2021-11-03 05:31:34,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb617e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:31:34, skipping insertion in model container [2021-11-03 05:31:34,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:31:21" (2/3) ... [2021-11-03 05:31:34,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb617e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:31:34, skipping insertion in model container [2021-11-03 05:31:34,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:31:34" (3/3) ... [2021-11-03 05:31:34,456 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_harness.i [2021-11-03 05:31:34,461 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:31:34,461 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-03 05:31:34,516 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:31:34,537 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:31:34,539 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-03 05:31:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 80 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:31:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 05:31:34,558 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:31:34,559 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] [2021-11-03 05:31:34,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 05:31:34,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:31:34,565 INFO L85 PathProgramCache]: Analyzing trace with hash 857180983, now seen corresponding path program 1 times [2021-11-03 05:31:34,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:31:34,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283252818] [2021-11-03 05:31:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:31:34,587 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:31:34,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:31:34,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:31:34,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:31:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:31:38,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:31:38,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:31:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:31:38,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:31:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:31:38,833 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:31:38,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283252818] [2021-11-03 05:31:38,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283252818] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:31:38,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:31:38,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:31:38,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404473780] [2021-11-03 05:31:38,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:31:38,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:31:38,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:31:38,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:31:38,855 INFO L87 Difference]: Start difference. First operand has 81 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 80 states have internal predecessors, (113), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:31:38,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:31:38,876 INFO L93 Difference]: Finished difference Result 159 states and 222 transitions. [2021-11-03 05:31:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:31:38,877 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2021-11-03 05:31:38,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:31:38,886 INFO L225 Difference]: With dead ends: 159 [2021-11-03 05:31:38,886 INFO L226 Difference]: Without dead ends: 75 [2021-11-03 05:31:38,888 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:31:38,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-03 05:31:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-03 05:31:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 74 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:31:38,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2021-11-03 05:31:38,922 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 30 [2021-11-03 05:31:38,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:31:38,923 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2021-11-03 05:31:38,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:31:38,923 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2021-11-03 05:31:38,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 05:31:38,924 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:31:38,925 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] [2021-11-03 05:31:38,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:31:39,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:31:39,126 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 05:31:39,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:31:39,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1256337345, now seen corresponding path program 1 times [2021-11-03 05:31:39,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:31:39,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257457046] [2021-11-03 05:31:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:31:39,139 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:31:39,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:31:39,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:31:39,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:31:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:31:42,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:31:42,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:31:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:31:43,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:31:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:31:43,337 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:31:43,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257457046] [2021-11-03 05:31:43,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257457046] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:31:43,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:31:43,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 05:31:43,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136329201] [2021-11-03 05:31:43,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:31:43,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:31:43,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:31:43,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:31:43,341 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:31:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:31:43,472 INFO L93 Difference]: Finished difference Result 175 states and 205 transitions. [2021-11-03 05:31:43,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:31:43,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2021-11-03 05:31:43,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:31:43,475 INFO L225 Difference]: With dead ends: 175 [2021-11-03 05:31:43,475 INFO L226 Difference]: Without dead ends: 128 [2021-11-03 05:31:43,476 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:31:43,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-03 05:31:43,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2021-11-03 05:31:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 76 states have (on average 1.236842105263158) internal successors, (94), 80 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:31:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2021-11-03 05:31:43,486 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 30 [2021-11-03 05:31:43,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:31:43,487 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2021-11-03 05:31:43,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:31:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2021-11-03 05:31:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 05:31:43,489 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:31:43,489 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:31:43,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:31:43,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:31:43,710 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 05:31:43,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:31:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1044485245, now seen corresponding path program 1 times [2021-11-03 05:31:43,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:31:43,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553708764] [2021-11-03 05:31:43,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:31:43,732 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:31:43,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:31:43,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:31:43,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:31:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:31:47,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 1740 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 05:31:47,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:31:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:31:47,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:31:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:31:48,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:31:48,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553708764] [2021-11-03 05:31:48,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553708764] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:31:48,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:31:48,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-03 05:31:48,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558950549] [2021-11-03 05:31:48,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:31:48,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:31:48,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:31:48,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:31:48,232 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 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 05:31:48,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:31:48,487 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2021-11-03 05:31:48,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:31:48,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 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 30 [2021-11-03 05:31:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:31:48,489 INFO L225 Difference]: With dead ends: 128 [2021-11-03 05:31:48,489 INFO L226 Difference]: Without dead ends: 75 [2021-11-03 05:31:48,489 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:31:48,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-03 05:31:48,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-03 05:31:48,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 74 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:31:48,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 85 transitions. [2021-11-03 05:31:48,497 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 85 transitions. Word has length 30 [2021-11-03 05:31:48,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:31:48,498 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 85 transitions. [2021-11-03 05:31:48,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 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 05:31:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-03 05:31:48,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 05:31:48,499 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:31:48,500 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 05:31:48,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-03 05:31:48,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:31:48,706 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-03 05:31:48,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:31:48,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1966230668, now seen corresponding path program 1 times [2021-11-03 05:31:48,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:31:48,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476107051] [2021-11-03 05:31:48,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:31:48,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:31:48,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:31:48,711 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:31:48,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1eebed3-2dbc-429e-80ca-4a69ce7f07c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process