./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 21:50:15,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 21:50:15,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 21:50:15,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 21:50:15,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 21:50:15,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 21:50:15,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 21:50:15,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 21:50:15,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 21:50:15,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 21:50:15,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 21:50:15,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 21:50:15,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 21:50:15,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 21:50:15,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 21:50:15,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 21:50:15,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 21:50:15,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 21:50:15,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 21:50:15,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 21:50:15,443 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 21:50:15,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 21:50:15,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 21:50:15,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 21:50:15,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 21:50:15,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 21:50:15,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 21:50:15,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 21:50:15,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 21:50:15,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 21:50:15,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 21:50:15,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 21:50:15,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 21:50:15,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 21:50:15,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 21:50:15,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 21:50:15,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 21:50:15,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 21:50:15,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 21:50:15,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 21:50:15,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 21:50:15,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 21:50:15,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 21:50:15,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 21:50:15,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 21:50:15,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 21:50:15,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 21:50:15,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 21:50:15,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 21:50:15,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 21:50:15,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 21:50:15,471 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 21:50:15,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 21:50:15,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 21:50:15,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 21:50:15,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 21:50:15,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 21:50:15,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 21:50:15,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 21:50:15,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 21:50:15,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 21:50:15,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 21:50:15,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 21:50:15,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 21:50:15,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 21:50:15,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 21:50:15,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 21:50:15,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 21:50:15,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 21:50:15,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 21:50:15,475 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 21:50:15,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 21:50:15,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 21:50:15,476 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2022-07-19 21:50:15,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 21:50:15,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 21:50:15,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 21:50:15,654 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 21:50:15,654 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 21:50:15,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2022-07-19 21:50:15,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69995902b/feeec8e358724ba58c897643f2679ebb/FLAG87100ab60 [2022-07-19 21:50:16,180 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 21:50:16,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2022-07-19 21:50:16,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69995902b/feeec8e358724ba58c897643f2679ebb/FLAG87100ab60 [2022-07-19 21:50:16,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69995902b/feeec8e358724ba58c897643f2679ebb [2022-07-19 21:50:16,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 21:50:16,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 21:50:16,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 21:50:16,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 21:50:16,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 21:50:16,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:50:16" (1/1) ... [2022-07-19 21:50:16,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13400c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:16, skipping insertion in model container [2022-07-19 21:50:16,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:50:16" (1/1) ... [2022-07-19 21:50:16,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 21:50:16,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 21:50:16,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2022-07-19 21:50:16,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2022-07-19 21:50:16,965 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 21:50:17,021 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,027 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,028 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,031 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,033 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,052 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,055 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,056 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,056 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,057 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,058 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,058 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,059 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,222 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 21:50:17,223 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 21:50:17,224 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 21:50:17,224 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 21:50:17,225 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 21:50:17,226 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 21:50:17,226 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 21:50:17,227 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 21:50:17,227 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 21:50:17,228 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 21:50:17,292 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,296 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 21:50:17,353 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 21:50:17,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2022-07-19 21:50:17,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2022-07-19 21:50:17,380 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 21:50:17,390 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,390 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,390 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,391 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,391 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,395 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,396 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,396 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,397 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,397 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,398 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,398 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,398 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,419 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 21:50:17,420 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 21:50:17,421 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 21:50:17,421 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 21:50:17,422 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 21:50:17,422 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 21:50:17,422 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 21:50:17,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 21:50:17,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 21:50:17,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 21:50:17,440 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,443 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:17,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 21:50:17,604 INFO L208 MainTranslator]: Completed translation [2022-07-19 21:50:17,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17 WrapperNode [2022-07-19 21:50:17,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 21:50:17,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 21:50:17,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 21:50:17,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 21:50:17,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,750 INFO L137 Inliner]: procedures = 691, calls = 1690, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 667 [2022-07-19 21:50:17,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 21:50:17,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 21:50:17,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 21:50:17,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 21:50:17,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 21:50:17,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 21:50:17,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 21:50:17,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 21:50:17,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (1/1) ... [2022-07-19 21:50:17,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 21:50:17,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:17,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 21:50:17,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 21:50:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-19 21:50:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 21:50:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-19 21:50:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-19 21:50:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-19 21:50:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-19 21:50:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-19 21:50:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-19 21:50:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 21:50:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-19 21:50:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-19 21:50:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-19 21:50:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-19 21:50:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 21:50:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 21:50:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 21:50:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-07-19 21:50:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-07-19 21:50:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 21:50:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 21:50:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-19 21:50:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-19 21:50:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-19 21:50:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-19 21:50:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-19 21:50:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-19 21:50:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-19 21:50:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-19 21:50:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-19 21:50:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-19 21:50:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 21:50:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 21:50:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-07-19 21:50:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-07-19 21:50:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 21:50:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 21:50:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 21:50:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-19 21:50:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-19 21:50:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-19 21:50:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-19 21:50:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 21:50:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-19 21:50:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-19 21:50:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 21:50:18,161 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 21:50:18,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 21:50:18,759 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 21:50:18,768 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 21:50:18,768 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 21:50:18,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:50:18 BoogieIcfgContainer [2022-07-19 21:50:18,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 21:50:18,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 21:50:18,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 21:50:18,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 21:50:18,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:50:16" (1/3) ... [2022-07-19 21:50:18,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544caad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:50:18, skipping insertion in model container [2022-07-19 21:50:18,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:17" (2/3) ... [2022-07-19 21:50:18,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544caad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:50:18, skipping insertion in model container [2022-07-19 21:50:18,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:50:18" (3/3) ... [2022-07-19 21:50:18,777 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2022-07-19 21:50:18,787 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 21:50:18,788 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 21:50:18,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 21:50:18,846 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@25583f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3392889d [2022-07-19 21:50:18,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 21:50:18,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-07-19 21:50:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 21:50:18,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:18,866 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:18,866 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:18,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:18,871 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2022-07-19 21:50:18,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:18,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121896405] [2022-07-19 21:50:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:18,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 21:50:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 21:50:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 21:50:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 21:50:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-19 21:50:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 21:50:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 21:50:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 21:50:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 21:50:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 21:50:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 21:50:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 21:50:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 21:50:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 21:50:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 21:50:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 21:50:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 21:50:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 21:50:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 21:50:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 21:50:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-19 21:50:19,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:19,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121896405] [2022-07-19 21:50:19,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121896405] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:19,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:50:19,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 21:50:19,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049593881] [2022-07-19 21:50:19,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:19,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 21:50:19,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:19,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 21:50:19,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 21:50:19,515 INFO L87 Difference]: Start difference. First operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 21:50:19,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:19,859 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2022-07-19 21:50:19,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 21:50:19,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-07-19 21:50:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:19,869 INFO L225 Difference]: With dead ends: 378 [2022-07-19 21:50:19,869 INFO L226 Difference]: Without dead ends: 194 [2022-07-19 21:50:19,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-19 21:50:19,874 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 111 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-19 21:50:19,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 330 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-19 21:50:19,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-19 21:50:19,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2022-07-19 21:50:19,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-07-19 21:50:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2022-07-19 21:50:19,919 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2022-07-19 21:50:19,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:19,919 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2022-07-19 21:50:19,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-19 21:50:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2022-07-19 21:50:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 21:50:19,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:19,922 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:19,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 21:50:19,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:19,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:19,923 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2022-07-19 21:50:19,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:19,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794727160] [2022-07-19 21:50:19,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:19,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 21:50:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 21:50:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 21:50:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 21:50:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-19 21:50:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 21:50:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 21:50:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 21:50:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 21:50:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 21:50:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 21:50:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 21:50:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 21:50:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 21:50:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 21:50:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 21:50:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 21:50:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 21:50:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 21:50:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 21:50:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-19 21:50:20,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:20,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794727160] [2022-07-19 21:50:20,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794727160] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:20,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:50:20,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 21:50:20,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806119229] [2022-07-19 21:50:20,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:20,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 21:50:20,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:20,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 21:50:20,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-19 21:50:20,247 INFO L87 Difference]: Start difference. First operand 173 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-19 21:50:20,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:20,942 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2022-07-19 21:50:20,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 21:50:20,943 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-07-19 21:50:20,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:20,945 INFO L225 Difference]: With dead ends: 365 [2022-07-19 21:50:20,945 INFO L226 Difference]: Without dead ends: 252 [2022-07-19 21:50:20,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-19 21:50:20,947 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 134 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 21:50:20,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 1023 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 21:50:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-07-19 21:50:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2022-07-19 21:50:20,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 113 states have internal predecessors, (130), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2022-07-19 21:50:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2022-07-19 21:50:20,962 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2022-07-19 21:50:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:20,962 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2022-07-19 21:50:20,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-19 21:50:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2022-07-19 21:50:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 21:50:20,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:20,964 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:20,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 21:50:20,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:20,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2022-07-19 21:50:20,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:20,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730776812] [2022-07-19 21:50:20,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:20,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 21:50:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 21:50:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 21:50:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 21:50:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-19 21:50:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 21:50:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 21:50:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 21:50:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 21:50:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 21:50:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 21:50:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 21:50:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 21:50:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 21:50:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 21:50:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 21:50:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 21:50:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 21:50:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 21:50:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 21:50:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-19 21:50:21,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:21,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730776812] [2022-07-19 21:50:21,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730776812] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:21,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:50:21,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 21:50:21,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332335381] [2022-07-19 21:50:21,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:21,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 21:50:21,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:21,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 21:50:21,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-19 21:50:21,263 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-19 21:50:22,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:22,084 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2022-07-19 21:50:22,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 21:50:22,084 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 124 [2022-07-19 21:50:22,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:22,086 INFO L225 Difference]: With dead ends: 359 [2022-07-19 21:50:22,086 INFO L226 Difference]: Without dead ends: 252 [2022-07-19 21:50:22,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-07-19 21:50:22,087 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 110 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 21:50:22,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1154 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 21:50:22,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-07-19 21:50:22,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2022-07-19 21:50:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2022-07-19 21:50:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2022-07-19 21:50:22,100 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2022-07-19 21:50:22,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:22,101 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2022-07-19 21:50:22,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-19 21:50:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2022-07-19 21:50:22,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 21:50:22,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:22,103 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:22,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 21:50:22,103 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:22,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:22,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2022-07-19 21:50:22,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:22,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992423262] [2022-07-19 21:50:22,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:22,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 21:50:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 21:50:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 21:50:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 21:50:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-19 21:50:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 21:50:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 21:50:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 21:50:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 21:50:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 21:50:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 21:50:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 21:50:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 21:50:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 21:50:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 21:50:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 21:50:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 21:50:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 21:50:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 21:50:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 21:50:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-07-19 21:50:22,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:22,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992423262] [2022-07-19 21:50:22,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992423262] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 21:50:22,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776091187] [2022-07-19 21:50:22,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:22,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:22,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:22,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:50:22,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 21:50:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:22,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 2218 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 21:50:22,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:50:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-07-19 21:50:22,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:50:22,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776091187] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:22,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 21:50:22,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2022-07-19 21:50:22,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876613102] [2022-07-19 21:50:22,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:22,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 21:50:22,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:22,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 21:50:22,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-19 21:50:22,782 INFO L87 Difference]: Start difference. First operand 192 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-19 21:50:22,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:22,879 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2022-07-19 21:50:22,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 21:50:22,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-07-19 21:50:22,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:22,881 INFO L225 Difference]: With dead ends: 357 [2022-07-19 21:50:22,881 INFO L226 Difference]: Without dead ends: 194 [2022-07-19 21:50:22,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-19 21:50:22,882 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 21:50:22,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1002 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 21:50:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-19 21:50:22,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-07-19 21:50:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 118 states have internal predecessors, (134), 60 states have call successors, (60), 16 states have call predecessors, (60), 17 states have return successors, (68), 59 states have call predecessors, (68), 58 states have call successors, (68) [2022-07-19 21:50:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2022-07-19 21:50:22,891 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2022-07-19 21:50:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:22,891 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2022-07-19 21:50:22,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-19 21:50:22,891 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2022-07-19 21:50:22,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-19 21:50:22,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:22,893 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:22,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 21:50:23,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:23,115 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:23,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:23,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2022-07-19 21:50:23,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:23,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48162598] [2022-07-19 21:50:23,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:23,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:23,151 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:50:23,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909958947] [2022-07-19 21:50:23,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:23,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:23,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:23,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:50:23,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 21:50:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:23,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-19 21:50:23,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:50:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-07-19 21:50:23,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:50:23,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:23,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48162598] [2022-07-19 21:50:23,510 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:50:23,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909958947] [2022-07-19 21:50:23,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909958947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:23,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:50:23,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 21:50:23,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172073666] [2022-07-19 21:50:23,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:23,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 21:50:23,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:23,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 21:50:23,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 21:50:23,512 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-19 21:50:23,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:23,582 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2022-07-19 21:50:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 21:50:23,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 139 [2022-07-19 21:50:23,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:23,582 INFO L225 Difference]: With dead ends: 235 [2022-07-19 21:50:23,583 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 21:50:23,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-19 21:50:23,584 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 21:50:23,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 235 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 21:50:23,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 21:50:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 21:50:23,584 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) [2022-07-19 21:50:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 21:50:23,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-07-19 21:50:23,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:23,585 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 21:50:23,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-19 21:50:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 21:50:23,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 21:50:23,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 21:50:23,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 21:50:23,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:23,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 21:50:24,065 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-19 21:50:24,065 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2022-07-19 21:50:24,065 INFO L899 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2022-07-19 21:50:24,065 INFO L895 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-19 21:50:24,065 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2022-07-19 21:50:24,065 INFO L899 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L902 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L902 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L895 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7010 7022) the Hoare annotation is: (or (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|)) (not (< 0 |#StackHeapBarrier|))) [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L895 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (or (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|)) (not (< 0 |#StackHeapBarrier|))) [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L895 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (or (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|)) (not (< 0 |#StackHeapBarrier|))) [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L895 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (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|)) (not (< 0 |#StackHeapBarrier|))) [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2022-07-19 21:50:24,066 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6996 7008) the Hoare annotation is: true [2022-07-19 21:50:24,066 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L895 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 3259 3286) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (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)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L895 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0))) [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7174 7178) the Hoare annotation is: true [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2022-07-19 21:50:24,067 INFO L899 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L902 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L895 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (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)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L902 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L895 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2584 2592) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (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)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-07-19 21:50:24,068 INFO L902 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2022-07-19 21:50:24,068 INFO L902 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2022-07-19 21:50:24,068 INFO L902 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L902 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L902 garLoopResultBuilder]: At program point memcpy_implENTRY(lines 7373 7385) the Hoare annotation is: true [2022-07-19 21:50:24,068 INFO L899 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2022-07-19 21:50:24,068 INFO L902 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 2795 2799) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L902 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2022-07-19 21:50:24,069 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L895 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L902 garLoopResultBuilder]: At program point my_memcpyENTRY(lines 7387 7389) the Hoare annotation is: true [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L902 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2022-07-19 21:50:24,070 INFO L895 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-07-19 21:50:24,070 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L895 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L895 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L895 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2022-07-19 21:50:24,071 INFO L895 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L895 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2022-07-19 21:50:24,071 INFO L902 garLoopResultBuilder]: At program point L7188(lines 7188 7205) the Hoare annotation is: true [2022-07-19 21:50:24,071 INFO L895 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2022-07-19 21:50:24,071 INFO L899 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L3342-2(lines 3328 3343) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2022-07-19 21:50:24,072 INFO L899 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2022-07-19 21:50:24,072 INFO L895 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2022-07-19 21:50:24,073 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret797#1| 0) [2022-07-19 21:50:24,073 INFO L895 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2022-07-19 21:50:24,074 INFO L895 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L895 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L895 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2022-07-19 21:50:24,074 INFO L902 garLoopResultBuilder]: At program point L8004(line 8004) the Hoare annotation is: true [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-19 21:50:24,074 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-19 21:50:24,077 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-19 21:50:24,089 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 21:50:24,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:50:24 BoogieIcfgContainer [2022-07-19 21:50:24,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 21:50:24,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 21:50:24,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 21:50:24,097 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 21:50:24,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:50:18" (3/4) ... [2022-07-19 21:50:24,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-07-19 21:50:24,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2022-07-19 21:50:24,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2022-07-19 21:50:24,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-19 21:50:24,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 145 nodes and edges [2022-07-19 21:50:24,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2022-07-19 21:50:24,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-07-19 21:50:24,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-19 21:50:24,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-07-19 21:50:24,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-19 21:50:24,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 21:50:24,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 21:50:24,569 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 21:50:24,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 21:50:24,570 INFO L158 Benchmark]: Toolchain (without parser) took 8352.85ms. Allocated memory was 100.7MB in the beginning and 270.5MB in the end (delta: 169.9MB). Free memory was 59.5MB in the beginning and 76.9MB in the end (delta: -17.3MB). Peak memory consumption was 153.6MB. Max. memory is 16.1GB. [2022-07-19 21:50:24,570 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 21:50:24,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1387.31ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 59.2MB in the beginning and 87.7MB in the end (delta: -28.5MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-07-19 21:50:24,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.71ms. Allocated memory is still 138.4MB. Free memory was 87.7MB in the beginning and 78.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 21:50:24,570 INFO L158 Benchmark]: Boogie Preprocessor took 82.81ms. Allocated memory is still 138.4MB. Free memory was 78.0MB in the beginning and 71.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 21:50:24,571 INFO L158 Benchmark]: RCFGBuilder took 934.50ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 71.7MB in the beginning and 144.1MB in the end (delta: -72.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-07-19 21:50:24,571 INFO L158 Benchmark]: TraceAbstraction took 5325.22ms. Allocated memory was 218.1MB in the beginning and 270.5MB in the end (delta: 52.4MB). Free memory was 143.0MB in the beginning and 199.5MB in the end (delta: -56.5MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. [2022-07-19 21:50:24,571 INFO L158 Benchmark]: Witness Printer took 472.73ms. Allocated memory is still 270.5MB. Free memory was 199.5MB in the beginning and 76.9MB in the end (delta: 122.7MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-07-19 21:50:24,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1387.31ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 59.2MB in the beginning and 87.7MB in the end (delta: -28.5MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.71ms. Allocated memory is still 138.4MB. Free memory was 87.7MB in the beginning and 78.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.81ms. Allocated memory is still 138.4MB. Free memory was 78.0MB in the beginning and 71.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 934.50ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 71.7MB in the beginning and 144.1MB in the end (delta: -72.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5325.22ms. Allocated memory was 218.1MB in the beginning and 270.5MB in the end (delta: 52.4MB). Free memory was 143.0MB in the beginning and 199.5MB in the end (delta: -56.5MB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. * Witness Printer took 472.73ms. Allocated memory is still 270.5MB. Free memory was 199.5MB in the beginning and 76.9MB in the end (delta: 122.7MB). Peak memory consumption was 123.7MB. 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 17 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 447 mSDsluCounter, 3744 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2789 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2303 IncrementalHoareTripleChecker+Invalid, 2758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 955 mSDtfsCounter, 2303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, InterpolantAutomatonStates: 40, 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, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 405 PreInvPairs, 413 NumberOfFragments, 323 HoareAnnotationTreeSize, 405 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 76 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1539 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4583 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1291/1320 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 21:50:24,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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