./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:59:36,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:59:36,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:59:36,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:59:36,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:59:36,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:59:36,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:59:36,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:59:36,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:59:36,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:59:36,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:59:36,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:59:36,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:59:36,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:59:36,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:59:36,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:59:36,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:59:36,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:59:36,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:59:36,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:59:36,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:59:36,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:59:36,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:59:36,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:59:36,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:59:36,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:59:36,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:59:36,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:59:36,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:59:36,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:59:36,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:59:36,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:59:36,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:59:36,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:59:36,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:59:36,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:59:36,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:59:36,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:59:36,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:59:36,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:59:36,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:59:36,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:59:36,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:59:36,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:59:36,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:59:36,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:59:36,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:59:36,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:59:36,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:59:36,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:59:36,410 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:59:36,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:59:36,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:59:36,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:59:36,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:59:36,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:59:36,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:59:36,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:59:36,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:59:36,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:59:36,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:59:36,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:59:36,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:59:36,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:59:36,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:59:36,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:59:36,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:59:36,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:59:36,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:59:36,417 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:59:36,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:59:36,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:59:36,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:59:36,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64b813c3d856efe8cd859d380d09d4b682c371a0a165a5a5fe0d11dc206dad7 [2021-11-20 05:59:36,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:59:36,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:59:36,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:59:36,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:59:36,762 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:59:36,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2021-11-20 05:59:36,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/data/aebce7590/3f9cda836896462d91839f805fd28cd7/FLAG62625f8ac [2021-11-20 05:59:37,873 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:59:37,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i [2021-11-20 05:59:37,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/data/aebce7590/3f9cda836896462d91839f805fd28cd7/FLAG62625f8ac [2021-11-20 05:59:38,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/data/aebce7590/3f9cda836896462d91839f805fd28cd7 [2021-11-20 05:59:38,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:59:38,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:59:38,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:59:38,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:59:38,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:59:38,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:38" (1/1) ... [2021-11-20 05:59:38,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c88366b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:38, skipping insertion in model container [2021-11-20 05:59:38,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:59:38" (1/1) ... [2021-11-20 05:59:38,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:59:38,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:59:38,782 WARN L230 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_b168f0d0-cc07-40c2-8471-37e90ebb69aa/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2021-11-20 05:59:38,790 WARN L230 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_b168f0d0-cc07-40c2-8471-37e90ebb69aa/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2021-11-20 05:59:39,888 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:39,889 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:39,890 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:39,891 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:39,893 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:39,911 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:39,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:39,915 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:39,916 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:40,430 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 05:59:40,432 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 05:59:40,433 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 05:59:40,435 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 05:59:40,436 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 05:59:40,437 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 05:59:40,438 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 05:59:40,439 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 05:59:40,440 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 05:59:40,444 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 05:59:40,697 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 05:59:40,948 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:40,950 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:40,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:59:41,065 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:59:41,082 WARN L230 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_b168f0d0-cc07-40c2-8471-37e90ebb69aa/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4493,4506] [2021-11-20 05:59:41,083 WARN L230 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_b168f0d0-cc07-40c2-8471-37e90ebb69aa/sv-benchmarks/c/aws-c-common/aws_string_eq_c_str_harness.i[4553,4566] [2021-11-20 05:59:41,140 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,140 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,142 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,142 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,143 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,150 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,152 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,157 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,158 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,210 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 05:59:41,211 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 05:59:41,212 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 05:59:41,213 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 05:59:41,214 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 05:59:41,214 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 05:59:41,215 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 05:59:41,215 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 05:59:41,215 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 05:59:41,216 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 05:59:41,236 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 05:59:41,297 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,298 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 05:59:41,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:59:41,673 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:59:41,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41 WrapperNode [2021-11-20 05:59:41,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:59:41,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:59:41,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:59:41,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:59:41,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:41,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:41,921 INFO L137 Inliner]: procedures = 681, calls = 2272, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 391 [2021-11-20 05:59:41,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:59:41,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:59:41,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:59:41,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:59:41,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:41,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:41,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:41,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:42,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:42,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:42,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:42,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:59:42,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:59:42,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:59:42,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:59:42,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (1/1) ... [2021-11-20 05:59:42,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:59:42,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:59:42,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:59:42,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:59:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2021-11-20 05:59:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2021-11-20 05:59:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-20 05:59:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-20 05:59:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-20 05:59:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-20 05:59:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-20 05:59:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-20 05:59:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:59:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 05:59:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 05:59:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:59:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:59:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:59:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:59:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:59:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-20 05:59:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-20 05:59:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:59:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:59:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:59:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-20 05:59:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-20 05:59:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-20 05:59:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-20 05:59:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:59:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:59:42,573 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:59:42,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:59:43,079 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:59:43,089 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:59:43,089 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 05:59:43,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:43 BoogieIcfgContainer [2021-11-20 05:59:43,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:59:43,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:59:43,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:59:43,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:59:43,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:59:38" (1/3) ... [2021-11-20 05:59:43,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dd2c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:59:43, skipping insertion in model container [2021-11-20 05:59:43,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:59:41" (2/3) ... [2021-11-20 05:59:43,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dd2c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:59:43, skipping insertion in model container [2021-11-20 05:59:43,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:43" (3/3) ... [2021-11-20 05:59:43,107 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_c_str_harness.i [2021-11-20 05:59:43,128 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:59:43,129 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:59:43,205 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:59:43,213 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=PETRI_NET, 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 [2021-11-20 05:59:43,214 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:59:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2021-11-20 05:59:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 05:59:43,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:43,249 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:43,250 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:43,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:43,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1676862830, now seen corresponding path program 1 times [2021-11-20 05:59:43,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:59:43,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483262453] [2021-11-20 05:59:43,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:43,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:59:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:59:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 05:59:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 05:59:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 05:59:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 05:59:43,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:59:43,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483262453] [2021-11-20 05:59:43,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483262453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:43,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:43,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:59:43,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632193564] [2021-11-20 05:59:43,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:43,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 05:59:43,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:59:43,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:59:43,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:59:43,957 INFO L87 Difference]: Start difference. First operand has 107 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 71 states have internal predecessors, (87), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 05:59:44,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:44,040 INFO L93 Difference]: Finished difference Result 205 states and 281 transitions. [2021-11-20 05:59:44,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:59:44,043 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2021-11-20 05:59:44,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:44,060 INFO L225 Difference]: With dead ends: 205 [2021-11-20 05:59:44,060 INFO L226 Difference]: Without dead ends: 101 [2021-11-20 05:59:44,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:59:44,077 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:44,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:59:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-20 05:59:44,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-20 05:59:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-20 05:59:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 128 transitions. [2021-11-20 05:59:44,162 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 128 transitions. Word has length 36 [2021-11-20 05:59:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:44,164 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 128 transitions. [2021-11-20 05:59:44,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 05:59:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 128 transitions. [2021-11-20 05:59:44,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 05:59:44,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:44,172 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:44,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:59:44,172 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:44,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:44,173 INFO L85 PathProgramCache]: Analyzing trace with hash -12080912, now seen corresponding path program 1 times [2021-11-20 05:59:44,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:59:44,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203402940] [2021-11-20 05:59:44,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:44,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:59:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:59:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 05:59:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 05:59:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 05:59:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 05:59:44,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:59:44,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203402940] [2021-11-20 05:59:44,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203402940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:44,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:44,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:59:44,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992601115] [2021-11-20 05:59:44,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:44,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:59:44,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:59:44,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:59:44,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:59:44,536 INFO L87 Difference]: Start difference. First operand 101 states and 128 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 05:59:44,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:44,594 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2021-11-20 05:59:44,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:59:44,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2021-11-20 05:59:44,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:44,598 INFO L225 Difference]: With dead ends: 148 [2021-11-20 05:59:44,598 INFO L226 Difference]: Without dead ends: 101 [2021-11-20 05:59:44,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:59:44,601 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 6 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:44,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 380 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:59:44,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-20 05:59:44,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-20 05:59:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 66 states have internal predecessors, (76), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-20 05:59:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 127 transitions. [2021-11-20 05:59:44,617 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 127 transitions. Word has length 36 [2021-11-20 05:59:44,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:44,618 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 127 transitions. [2021-11-20 05:59:44,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 05:59:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2021-11-20 05:59:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 05:59:44,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:44,622 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:44,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:59:44,622 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:44,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:44,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2108660913, now seen corresponding path program 1 times [2021-11-20 05:59:44,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:59:44,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884090856] [2021-11-20 05:59:44,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:44,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:59:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:59:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 05:59:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 05:59:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:59:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 05:59:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:59:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:59:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 05:59:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:59:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 05:59:44,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:59:44,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884090856] [2021-11-20 05:59:44,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884090856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:44,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:44,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:59:44,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193753316] [2021-11-20 05:59:44,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:44,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:59:44,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:59:44,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:59:44,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:59:44,964 INFO L87 Difference]: Start difference. First operand 101 states and 127 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2021-11-20 05:59:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:45,417 INFO L93 Difference]: Finished difference Result 138 states and 169 transitions. [2021-11-20 05:59:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:59:45,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 64 [2021-11-20 05:59:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:45,430 INFO L225 Difference]: With dead ends: 138 [2021-11-20 05:59:45,430 INFO L226 Difference]: Without dead ends: 101 [2021-11-20 05:59:45,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-20 05:59:45,436 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 89 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:45,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 545 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 05:59:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-20 05:59:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-20 05:59:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 66 states have internal predecessors, (75), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-20 05:59:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2021-11-20 05:59:45,466 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 64 [2021-11-20 05:59:45,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:45,472 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2021-11-20 05:59:45,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2021-11-20 05:59:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2021-11-20 05:59:45,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 05:59:45,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:45,481 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:45,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:59:45,482 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:45,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:45,482 INFO L85 PathProgramCache]: Analyzing trace with hash -63104247, now seen corresponding path program 1 times [2021-11-20 05:59:45,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:59:45,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844467412] [2021-11-20 05:59:45,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:45,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:59:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:59:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 05:59:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 05:59:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 05:59:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 05:59:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:59:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 05:59:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 05:59:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 05:59:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 05:59:45,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:59:45,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844467412] [2021-11-20 05:59:45,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844467412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:59:45,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:59:45,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:59:45,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379736844] [2021-11-20 05:59:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:59:45,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:59:45,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:59:45,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:59:45,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:59:45,851 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-20 05:59:46,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:46,132 INFO L93 Difference]: Finished difference Result 159 states and 199 transitions. [2021-11-20 05:59:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:59:46,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 65 [2021-11-20 05:59:46,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:46,135 INFO L225 Difference]: With dead ends: 159 [2021-11-20 05:59:46,136 INFO L226 Difference]: Without dead ends: 101 [2021-11-20 05:59:46,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:59:46,138 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 41 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:46,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 334 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 05:59:46,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-20 05:59:46,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-11-20 05:59:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 66 states have internal predecessors, (74), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-20 05:59:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions. [2021-11-20 05:59:46,154 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 65 [2021-11-20 05:59:46,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:46,154 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 125 transitions. [2021-11-20 05:59:46,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-20 05:59:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2021-11-20 05:59:46,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 05:59:46,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:59:46,157 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:59:46,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:59:46,157 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:59:46,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:59:46,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1726009102, now seen corresponding path program 1 times [2021-11-20 05:59:46,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:59:46,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347615669] [2021-11-20 05:59:46,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:46,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:59:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:59:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 05:59:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:59:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:59:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:59:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:59:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 05:59:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 05:59:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:59:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:59:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 05:59:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:59:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:59:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:59:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 05:59:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-20 05:59:47,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:59:47,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347615669] [2021-11-20 05:59:47,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347615669] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:59:47,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816490643] [2021-11-20 05:59:47,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:59:47,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:59:47,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:59:47,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:59:47,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 05:59:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:59:47,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 05:59:47,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:59:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-20 05:59:47,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:59:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-20 05:59:48,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816490643] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:59:48,263 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:59:48,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 11] total 27 [2021-11-20 05:59:48,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224615414] [2021-11-20 05:59:48,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:59:48,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-20 05:59:48,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:59:48,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-20 05:59:48,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=642, Unknown=0, NotChecked=0, Total=702 [2021-11-20 05:59:48,271 INFO L87 Difference]: Start difference. First operand 101 states and 125 transitions. Second operand has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) [2021-11-20 05:59:49,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:59:49,034 INFO L93 Difference]: Finished difference Result 116 states and 137 transitions. [2021-11-20 05:59:49,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 05:59:49,035 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) Word has length 99 [2021-11-20 05:59:49,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:59:49,035 INFO L225 Difference]: With dead ends: 116 [2021-11-20 05:59:49,035 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 05:59:49,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=146, Invalid=1336, Unknown=0, NotChecked=0, Total=1482 [2021-11-20 05:59:49,038 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 58 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:59:49,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 428 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 05:59:49,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 05:59:49,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 05:59:49,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-20 05:59:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 05:59:49,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2021-11-20 05:59:49,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:59:49,040 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:59:49,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 3.12) internal successors, (78), 20 states have internal predecessors, (78), 10 states have call successors, (26), 4 states have call predecessors, (26), 7 states have return successors, (25), 13 states have call predecessors, (25), 10 states have call successors, (25) [2021-11-20 05:59:49,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:59:49,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 05:59:49,043 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:59:49,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:59:49,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:59:49,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 05:59:49,541 INFO L854 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2021-11-20 05:59:49,541 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6801 6805) no Hoare annotation was computed. [2021-11-20 05:59:49,542 INFO L858 garLoopResultBuilder]: For program point L6811-1(lines 6811 6812) no Hoare annotation was computed. [2021-11-20 05:59:49,542 INFO L854 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2021-11-20 05:59:49,542 INFO L858 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2021-11-20 05:59:49,542 INFO L858 garLoopResultBuilder]: For program point L6808-1(line 6808) no Hoare annotation was computed. [2021-11-20 05:59:49,542 INFO L854 garLoopResultBuilder]: At program point L6808(line 6808) the Hoare annotation is: (let ((.cse1 (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16)))) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (let ((.cse0 (div |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616))) (<= (* 18446744073709551616 .cse0) (+ (* 18446744073709551616 (div (+ (* |ensure_string_is_allocated_bounded_length_~len~1#1| (- 1)) 15 (* .cse0 18446744073709551616)) 18446744073709551616)) |ensure_string_is_allocated_bounded_length_~len~1#1|))) .cse1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|) (or .cse1 (<= 0 (+ (* 18446744073709551616 (div (+ 15 (* |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (- 1))) 18446744073709551616)) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|))))) [2021-11-20 05:59:49,543 INFO L858 garLoopResultBuilder]: For program point L6811-3(line 6811) no Hoare annotation was computed. [2021-11-20 05:59:49,543 INFO L854 garLoopResultBuilder]: At program point L6811-2(line 6811) the Hoare annotation is: (and (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| 16))) [2021-11-20 05:59:49,543 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2021-11-20 05:59:49,543 INFO L858 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2021-11-20 05:59:49,543 INFO L854 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (or (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (= 16 |ensure_string_is_allocated_bounded_length_~max_size#1|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2021-11-20 05:59:49,544 INFO L854 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6801 6805) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2021-11-20 05:59:49,544 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-11-20 05:59:49,544 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6801 6805) no Hoare annotation was computed. [2021-11-20 05:59:49,544 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6883 6888) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-11-20 05:59:49,544 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6883 6888) no Hoare annotation was computed. [2021-11-20 05:59:49,544 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6883 6888) no Hoare annotation was computed. [2021-11-20 05:59:49,545 INFO L858 garLoopResultBuilder]: For program point L6884-1(lines 6884 6886) no Hoare annotation was computed. [2021-11-20 05:59:49,545 INFO L854 garLoopResultBuilder]: At program point L6884(lines 6884 6886) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-11-20 05:59:49,545 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-20 05:59:49,545 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-20 05:59:49,545 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-20 05:59:49,545 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-20 05:59:49,545 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-20 05:59:49,546 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-20 05:59:49,546 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-20 05:59:49,546 INFO L858 garLoopResultBuilder]: For program point L8097(lines 8097 8101) no Hoare annotation was computed. [2021-11-20 05:59:49,546 INFO L858 garLoopResultBuilder]: For program point L8095-4(lines 8095 8108) no Hoare annotation was computed. [2021-11-20 05:59:49,546 INFO L861 garLoopResultBuilder]: At program point L8095-3(lines 8095 8108) the Hoare annotation is: true [2021-11-20 05:59:49,546 INFO L858 garLoopResultBuilder]: For program point L8095-2(lines 8095 8108) no Hoare annotation was computed. [2021-11-20 05:59:49,546 INFO L858 garLoopResultBuilder]: For program point aws_array_eq_c_strFINAL(lines 8078 8111) no Hoare annotation was computed. [2021-11-20 05:59:49,547 INFO L858 garLoopResultBuilder]: For program point L8083(lines 8083 8085) no Hoare annotation was computed. [2021-11-20 05:59:49,547 INFO L861 garLoopResultBuilder]: At program point L8080-1(line 8080) the Hoare annotation is: true [2021-11-20 05:59:49,547 INFO L861 garLoopResultBuilder]: At program point L8080(line 8080) the Hoare annotation is: true [2021-11-20 05:59:49,547 INFO L861 garLoopResultBuilder]: At program point aws_array_eq_c_strENTRY(lines 8078 8111) the Hoare annotation is: true [2021-11-20 05:59:49,547 INFO L858 garLoopResultBuilder]: For program point L8103(lines 8103 8107) no Hoare annotation was computed. [2021-11-20 05:59:49,547 INFO L858 garLoopResultBuilder]: For program point aws_array_eq_c_strEXIT(lines 8078 8111) no Hoare annotation was computed. [2021-11-20 05:59:49,548 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6890 6892) no Hoare annotation was computed. [2021-11-20 05:59:49,548 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6890 6892) no Hoare annotation was computed. [2021-11-20 05:59:49,548 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6890 6892) the Hoare annotation is: true [2021-11-20 05:59:49,548 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6253 6258) the Hoare annotation is: true [2021-11-20 05:59:49,548 INFO L858 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-20 05:59:49,548 INFO L858 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-20 05:59:49,548 INFO L858 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-20 05:59:49,549 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6253 6258) no Hoare annotation was computed. [2021-11-20 05:59:49,549 INFO L858 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-20 05:59:49,549 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6253 6258) no Hoare annotation was computed. [2021-11-20 05:59:49,549 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-20 05:59:49,549 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-20 05:59:49,549 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-20 05:59:49,549 INFO L861 garLoopResultBuilder]: At program point L8925(line 8925) the Hoare annotation is: true [2021-11-20 05:59:49,550 INFO L858 garLoopResultBuilder]: For program point L7579(line 7579) no Hoare annotation was computed. [2021-11-20 05:59:49,550 INFO L858 garLoopResultBuilder]: For program point L7100(lines 7100 7113) no Hoare annotation was computed. [2021-11-20 05:59:49,550 INFO L858 garLoopResultBuilder]: For program point L7579-5(line 7579) no Hoare annotation was computed. [2021-11-20 05:59:49,550 INFO L854 garLoopResultBuilder]: At program point L7579-4(line 7579) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2021-11-20 05:59:49,550 INFO L858 garLoopResultBuilder]: For program point L7579-3(line 7579) no Hoare annotation was computed. [2021-11-20 05:59:49,550 INFO L854 garLoopResultBuilder]: At program point L7579-2(line 7579) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2021-11-20 05:59:49,551 INFO L854 garLoopResultBuilder]: At program point L8921(line 8921) the Hoare annotation is: false [2021-11-20 05:59:49,551 INFO L858 garLoopResultBuilder]: For program point L8921-1(line 8921) no Hoare annotation was computed. [2021-11-20 05:59:49,551 INFO L858 garLoopResultBuilder]: For program point L6820-1(line 6820) no Hoare annotation was computed. [2021-11-20 05:59:49,551 INFO L854 garLoopResultBuilder]: At program point L6820(line 6820) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2021-11-20 05:59:49,551 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 05:59:49,551 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 05:59:49,551 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 05:59:49,552 INFO L858 garLoopResultBuilder]: For program point L7580(lines 7580 7588) no Hoare annotation was computed. [2021-11-20 05:59:49,552 INFO L858 garLoopResultBuilder]: For program point L7101-1(lines 7100 7113) no Hoare annotation was computed. [2021-11-20 05:59:49,556 INFO L854 garLoopResultBuilder]: At program point L7101(line 7101) the Hoare annotation is: false [2021-11-20 05:59:49,556 INFO L858 garLoopResultBuilder]: For program point L8918(lines 8918 8923) no Hoare annotation was computed. [2021-11-20 05:59:49,556 INFO L854 garLoopResultBuilder]: At program point L6821-1(line 6821) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2021-11-20 05:59:49,556 INFO L854 garLoopResultBuilder]: At program point L6821(line 6821) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2021-11-20 05:59:49,557 INFO L858 garLoopResultBuilder]: For program point L7589(lines 7589 7597) no Hoare annotation was computed. [2021-11-20 05:59:49,557 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 05:59:49,557 INFO L854 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2021-11-20 05:59:49,557 INFO L858 garLoopResultBuilder]: For program point L8919-2(line 8919) no Hoare annotation was computed. [2021-11-20 05:59:49,557 INFO L854 garLoopResultBuilder]: At program point L8915(line 8915) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2021-11-20 05:59:49,557 INFO L858 garLoopResultBuilder]: For program point L8915-1(lines 8915 8916) no Hoare annotation was computed. [2021-11-20 05:59:49,557 INFO L854 garLoopResultBuilder]: At program point L8919(line 8919) the Hoare annotation is: false [2021-11-20 05:59:49,558 INFO L854 garLoopResultBuilder]: At program point L8919-1(line 8919) the Hoare annotation is: false [2021-11-20 05:59:49,558 INFO L854 garLoopResultBuilder]: At program point L7598(line 7598) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2021-11-20 05:59:49,558 INFO L854 garLoopResultBuilder]: At program point L6826(line 6826) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0)) [2021-11-20 05:59:49,558 INFO L858 garLoopResultBuilder]: For program point L8915-3(lines 8915 8916) no Hoare annotation was computed. [2021-11-20 05:59:49,559 INFO L854 garLoopResultBuilder]: At program point L7598-2(lines 7577 7599) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_aws_string_eq_c_str_~c_str#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~c_str~0#1.offset| 0))) [2021-11-20 05:59:49,559 INFO L858 garLoopResultBuilder]: For program point L8911(lines 8911 8924) no Hoare annotation was computed. [2021-11-20 05:59:49,559 INFO L858 garLoopResultBuilder]: For program point L7598-1(line 7598) no Hoare annotation was computed. [2021-11-20 05:59:49,560 INFO L858 garLoopResultBuilder]: For program point L6822(line 6822) no Hoare annotation was computed. [2021-11-20 05:59:49,561 INFO L858 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2021-11-20 05:59:49,561 INFO L854 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: false [2021-11-20 05:59:49,561 INFO L858 garLoopResultBuilder]: For program point L6826-1(line 6826) no Hoare annotation was computed. [2021-11-20 05:59:49,561 INFO L858 garLoopResultBuilder]: For program point L7107-1(line 7107) no Hoare annotation was computed. [2021-11-20 05:59:49,562 INFO L854 garLoopResultBuilder]: At program point L7107(line 7107) the Hoare annotation is: false [2021-11-20 05:59:49,562 INFO L854 garLoopResultBuilder]: At program point L8920(line 8920) the Hoare annotation is: false [2021-11-20 05:59:49,562 INFO L858 garLoopResultBuilder]: For program point L8920-1(line 8920) no Hoare annotation was computed. [2021-11-20 05:59:49,562 INFO L858 garLoopResultBuilder]: For program point L8912-3(line 8912) no Hoare annotation was computed. [2021-11-20 05:59:49,562 INFO L858 garLoopResultBuilder]: For program point L8912-5(lines 8912 8913) no Hoare annotation was computed. [2021-11-20 05:59:49,562 INFO L861 garLoopResultBuilder]: At program point L8912(line 8912) the Hoare annotation is: true [2021-11-20 05:59:49,563 INFO L854 garLoopResultBuilder]: At program point L6827(lines 6819 6828) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.offset| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_~str~1#1.base| 0)) (= |ULTIMATE.start_aws_string_eq_c_str_harness_~str~3#1.base| 0) (not (= |ULTIMATE.start_ensure_c_str_is_allocated_#res#1.base| 0))) [2021-11-20 05:59:49,563 INFO L858 garLoopResultBuilder]: For program point L8912-1(lines 8912 8913) no Hoare annotation was computed. [2021-11-20 05:59:49,563 INFO L861 garLoopResultBuilder]: At program point L8912-2(line 8912) the Hoare annotation is: true [2021-11-20 05:59:49,563 INFO L858 garLoopResultBuilder]: For program point L7108-1(lines 7108 7110) no Hoare annotation was computed. [2021-11-20 05:59:49,563 INFO L854 garLoopResultBuilder]: At program point L7108(lines 7108 7110) the Hoare annotation is: false [2021-11-20 05:59:49,564 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-20 05:59:49,564 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-20 05:59:49,564 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-20 05:59:49,564 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-20 05:59:49,564 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-20 05:59:49,564 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-20 05:59:49,568 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-20 05:59:49,570 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:59:49,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:59:49 BoogieIcfgContainer [2021-11-20 05:59:49,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:59:49,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:59:49,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:59:49,602 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:59:49,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:59:43" (3/4) ... [2021-11-20 05:59:49,606 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 05:59:49,615 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2021-11-20 05:59:49,616 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-20 05:59:49,616 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-20 05:59:49,616 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-20 05:59:49,616 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-20 05:59:49,616 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-20 05:59:49,617 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq_c_str [2021-11-20 05:59:49,617 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-20 05:59:49,617 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-11-20 05:59:49,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2021-11-20 05:59:49,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-20 05:59:49,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 05:59:49,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 05:59:49,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((str == 0 && !(str == 0)) && str == 0) && !(\result == 0) [2021-11-20 05:59:49,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(c_str == 0) && str == 0) && !(str == 0)) && str == 0) && !(\result == 0)) || (c_str == 0 && c_str == 0) [2021-11-20 05:59:49,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\old(max_size) == max_size || 16 == max_size) && !(str == 0)) && !(\result == 0)) && !(\old(max_size) == 16) [2021-11-20 05:59:49,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 05:59:49,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:59:49,911 INFO L158 Benchmark]: Toolchain (without parser) took 11628.87ms. Allocated memory was 94.4MB in the beginning and 222.3MB in the end (delta: 127.9MB). Free memory was 56.0MB in the beginning and 116.3MB in the end (delta: -60.3MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. [2021-11-20 05:59:49,912 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:59:49,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3389.67ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 56.0MB in the beginning and 50.1MB in the end (delta: 5.9MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2021-11-20 05:59:49,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.78ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 50.1MB in the beginning and 132.6MB in the end (delta: -82.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 05:59:49,913 INFO L158 Benchmark]: Boogie Preprocessor took 154.91ms. Allocated memory is still 184.5MB. Free memory was 132.6MB in the beginning and 128.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 05:59:49,914 INFO L158 Benchmark]: RCFGBuilder took 1013.33ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 94.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-20 05:59:49,914 INFO L158 Benchmark]: TraceAbstraction took 6506.72ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 94.8MB in the beginning and 71.4MB in the end (delta: 23.4MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2021-11-20 05:59:49,914 INFO L158 Benchmark]: Witness Printer took 309.53ms. Allocated memory is still 222.3MB. Free memory was 71.4MB in the beginning and 116.3MB in the end (delta: -44.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-20 05:59:49,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3389.67ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 56.0MB in the beginning and 50.1MB in the end (delta: 5.9MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 246.78ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 50.1MB in the beginning and 132.6MB in the end (delta: -82.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.91ms. Allocated memory is still 184.5MB. Free memory was 132.6MB in the beginning and 128.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1013.33ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 94.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6506.72ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 94.8MB in the beginning and 71.4MB in the end (delta: 23.4MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Witness Printer took 309.53ms. Allocated memory is still 222.3MB. Free memory was 71.4MB in the beginning and 116.3MB in the end (delta: -44.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 1823 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1288 mSDsCounter, 128 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 837 IncrementalHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 128 mSolverCounterUnsat, 535 mSDtfsCounter, 837 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 129 PreInvPairs, 152 NumberOfFragments, 395 HoareAnnotationTreeSize, 129 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 126 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 1114 SizeOfPredicates, 7 NumberOfNonLiveVariables, 870 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 259/291 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7577]: Loop Invariant Derived loop invariant: ((((!(c_str == 0) && str == 0) && !(str == 0)) && str == 0) && !(\result == 0)) || (c_str == 0 && c_str == 0) - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: (((\old(max_size) == max_size || 16 == max_size) && !(str == 0)) && !(\result == 0)) && !(\old(max_size) == 16) - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: ((str == 0 && !(str == 0)) && str == 0) && !(\result == 0) RESULT: Ultimate proved your program to be correct! [2021-11-20 05:59:49,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b168f0d0-cc07-40c2-8471-37e90ebb69aa/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE