./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_string_bytes_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 be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 01:21:26,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 01:21:26,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 01:21:26,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 01:21:26,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 01:21:26,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 01:21:26,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 01:21:26,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 01:21:26,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 01:21:26,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 01:21:26,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 01:21:26,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 01:21:26,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 01:21:26,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 01:21:26,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 01:21:26,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 01:21:26,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 01:21:26,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 01:21:26,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 01:21:26,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 01:21:26,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 01:21:26,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 01:21:26,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 01:21:26,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 01:21:26,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 01:21:26,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 01:21:26,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 01:21:26,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 01:21:26,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 01:21:26,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 01:21:26,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 01:21:26,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 01:21:26,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 01:21:26,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 01:21:26,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 01:21:26,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 01:21:26,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 01:21:26,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 01:21:26,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 01:21:26,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 01:21:26,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 01:21:26,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 01:21:26,589 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 01:21:26,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 01:21:26,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 01:21:26,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 01:21:26,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 01:21:26,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 01:21:26,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 01:21:26,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 01:21:26,592 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 01:21:26,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 01:21:26,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 01:21:26,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 01:21:26,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 01:21:26,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 01:21:26,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 01:21:26,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 01:21:26,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 01:21:26,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 01:21:26,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 01:21:26,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 01:21:26,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 01:21:26,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:21:26,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 01:21:26,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 01:21:26,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 01:21:26,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 01:21:26,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 01:21:26,597 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 01:21:26,597 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 01:21:26,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 01:21:26,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 01:21:26,598 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2021-12-18 01:21:26,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 01:21:26,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 01:21:26,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 01:21:26,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 01:21:26,860 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 01:21:26,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-12-18 01:21:26,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e90905129/0b573828ada14586b520908999c14190/FLAG5fdf095d3 [2021-12-18 01:21:27,616 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 01:21:27,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-12-18 01:21:27,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e90905129/0b573828ada14586b520908999c14190/FLAG5fdf095d3 [2021-12-18 01:21:27,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e90905129/0b573828ada14586b520908999c14190 [2021-12-18 01:21:27,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 01:21:27,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 01:21:27,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 01:21:27,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 01:21:27,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 01:21:27,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:21:27" (1/1) ... [2021-12-18 01:21:27,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7689f8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:27, skipping insertion in model container [2021-12-18 01:21:27,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:21:27" (1/1) ... [2021-12-18 01:21:27,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 01:21:28,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 01:21:28,221 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_string_bytes_harness.i[4490,4503] [2021-12-18 01:21:28,226 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_string_bytes_harness.i[4550,4563] [2021-12-18 01:21:28,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,738 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,739 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,740 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,743 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,756 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,757 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,758 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,769 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,771 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,772 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,772 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:28,772 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,015 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:21:29,017 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:21:29,018 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:21:29,019 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:21:29,020 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:21:29,021 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:21:29,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:21:29,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:21:29,023 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:21:29,024 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:21:29,136 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:21:29,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:21:29,162 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 01:21:29,173 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_string_bytes_harness.i[4490,4503] [2021-12-18 01:21:29,174 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_string_bytes_harness.i[4550,4563] [2021-12-18 01:21:29,206 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,207 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,207 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,219 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,220 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,220 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,221 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,221 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,226 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,227 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,227 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:21:29,275 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:21:29,276 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:21:29,276 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:21:29,277 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:21:29,278 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:21:29,279 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:21:29,279 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:21:29,280 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:21:29,280 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:21:29,280 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:21:29,307 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:21:29,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:21:29,537 INFO L208 MainTranslator]: Completed translation [2021-12-18 01:21:29,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29 WrapperNode [2021-12-18 01:21:29,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 01:21:29,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 01:21:29,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 01:21:29,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 01:21:29,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,658 INFO L137 Inliner]: procedures = 679, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 60 [2021-12-18 01:21:29,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 01:21:29,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 01:21:29,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 01:21:29,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 01:21:29,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 01:21:29,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 01:21:29,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 01:21:29,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 01:21:29,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (1/1) ... [2021-12-18 01:21:29,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:21:29,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:21:29,733 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) [2021-12-18 01:21:29,757 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 [2021-12-18 01:21:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-18 01:21:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-18 01:21:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-18 01:21:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-18 01:21:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 01:21:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-18 01:21:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-18 01:21:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 01:21:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 01:21:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 01:21:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 01:21:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 01:21:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-18 01:21:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-18 01:21:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-18 01:21:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-18 01:21:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 01:21:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 01:21:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 01:21:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-18 01:21:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-18 01:21:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-18 01:21:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-18 01:21:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 01:21:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 01:21:30,036 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 01:21:30,038 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 01:21:30,226 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 01:21:30,232 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 01:21:30,232 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 01:21:30,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:21:30 BoogieIcfgContainer [2021-12-18 01:21:30,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 01:21:30,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 01:21:30,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 01:21:30,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 01:21:30,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:21:27" (1/3) ... [2021-12-18 01:21:30,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309a9169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:21:30, skipping insertion in model container [2021-12-18 01:21:30,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:21:29" (2/3) ... [2021-12-18 01:21:30,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309a9169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:21:30, skipping insertion in model container [2021-12-18 01:21:30,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:21:30" (3/3) ... [2021-12-18 01:21:30,242 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2021-12-18 01:21:30,246 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 01:21:30,246 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 01:21:30,291 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 01:21:30,296 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 01:21:30,296 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 01:21:30,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-18 01:21:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-18 01:21:30,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:21:30,318 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:21:30,318 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:21:30,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:21:30,323 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2021-12-18 01:21:30,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:21:30,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153720263] [2021-12-18 01:21:30,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:30,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:21:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:30,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:21:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 01:21:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 01:21:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:21:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:31,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:21:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 01:21:31,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:21:31,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153720263] [2021-12-18 01:21:31,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153720263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:21:31,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:21:31,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-18 01:21:31,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611559325] [2021-12-18 01:21:31,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:21:31,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-18 01:21:31,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:21:31,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-18 01:21:31,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-12-18 01:21:31,218 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 17 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2021-12-18 01:21:31,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:21:31,782 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2021-12-18 01:21:31,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 01:21:31,785 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 55 [2021-12-18 01:21:31,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:21:31,792 INFO L225 Difference]: With dead ends: 128 [2021-12-18 01:21:31,792 INFO L226 Difference]: Without dead ends: 61 [2021-12-18 01:21:31,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2021-12-18 01:21:31,799 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 91 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 01:21:31,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 407 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 01:21:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-12-18 01:21:31,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2021-12-18 01:21:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-18 01:21:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2021-12-18 01:21:31,836 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 55 [2021-12-18 01:21:31,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:21:31,837 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2021-12-18 01:21:31,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2021-12-18 01:21:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2021-12-18 01:21:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-18 01:21:31,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:21:31,840 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:21:31,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 01:21:31,841 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:21:31,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:21:31,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1047718708, now seen corresponding path program 1 times [2021-12-18 01:21:31,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:21:31,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498236795] [2021-12-18 01:21:31,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:31,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:21:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:21:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 01:21:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 01:21:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:21:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:21:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 01:21:32,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:21:32,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498236795] [2021-12-18 01:21:32,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498236795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:21:32,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:21:32,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-18 01:21:32,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021159706] [2021-12-18 01:21:32,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:21:32,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 01:21:32,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:21:32,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 01:21:32,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2021-12-18 01:21:32,382 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-18 01:21:32,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:21:32,794 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2021-12-18 01:21:32,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 01:21:32,795 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 55 [2021-12-18 01:21:32,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:21:32,796 INFO L225 Difference]: With dead ends: 66 [2021-12-18 01:21:32,796 INFO L226 Difference]: Without dead ends: 62 [2021-12-18 01:21:32,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-12-18 01:21:32,798 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 53 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:21:32,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 340 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 01:21:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-12-18 01:21:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-12-18 01:21:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-18 01:21:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2021-12-18 01:21:32,806 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 55 [2021-12-18 01:21:32,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:21:32,806 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2021-12-18 01:21:32,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-18 01:21:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2021-12-18 01:21:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-18 01:21:32,808 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:21:32,808 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:21:32,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 01:21:32,809 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:21:32,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:21:32,809 INFO L85 PathProgramCache]: Analyzing trace with hash -776855734, now seen corresponding path program 1 times [2021-12-18 01:21:32,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:21:32,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108470819] [2021-12-18 01:21:32,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:32,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:21:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:21:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:32,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 01:21:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 01:21:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:21:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:21:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 01:21:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 01:21:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-18 01:21:33,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:21:33,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108470819] [2021-12-18 01:21:33,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108470819] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:21:33,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187695408] [2021-12-18 01:21:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:33,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:21:33,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:21:33,239 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) [2021-12-18 01:21:33,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 01:21:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:33,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 94 conjunts are in the unsatisfiable core [2021-12-18 01:21:33,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:21:33,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-18 01:21:36,142 INFO L354 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2021-12-18 01:21:36,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 176 treesize of output 160 [2021-12-18 01:21:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-18 01:21:36,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:21:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-18 01:21:41,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187695408] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 01:21:41,776 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 01:21:41,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 29, 20] total 55 [2021-12-18 01:21:41,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480775239] [2021-12-18 01:21:41,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 01:21:41,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-12-18 01:21:41,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:21:41,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-12-18 01:21:41,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2804, Unknown=0, NotChecked=0, Total=2970 [2021-12-18 01:21:41,780 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) [2021-12-18 01:21:42,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:21:42,320 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2021-12-18 01:21:42,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 01:21:42,321 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) Word has length 69 [2021-12-18 01:21:42,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:21:42,321 INFO L225 Difference]: With dead ends: 66 [2021-12-18 01:21:42,321 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 01:21:42,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 108 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=207, Invalid=3575, Unknown=0, NotChecked=0, Total=3782 [2021-12-18 01:21:42,324 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:21:42,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 327 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 301 Invalid, 0 Unknown, 30 Unchecked, 0.2s Time] [2021-12-18 01:21:42,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 01:21:42,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 01:21:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 01:21:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 01:21:42,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2021-12-18 01:21:42,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:21:42,326 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 01:21:42,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) [2021-12-18 01:21:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 01:21:42,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 01:21:42,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 01:21:42,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 01:21:42,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:21:42,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-18 01:21:42,582 INFO L858 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2021-12-18 01:21:42,582 INFO L854 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|) (= |bounded_malloc_#in~size| bounded_malloc_~size)) [2021-12-18 01:21:42,583 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6926 6931) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|)) [2021-12-18 01:21:42,583 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6926 6931) no Hoare annotation was computed. [2021-12-18 01:21:42,583 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2021-12-18 01:21:42,583 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-18 01:21:42,583 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-18 01:21:42,583 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-18 01:21:42,583 INFO L861 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6292 6296) the Hoare annotation is: true [2021-12-18 01:21:42,583 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2021-12-18 01:21:42,583 INFO L861 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2021-12-18 01:21:42,583 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6292 6296) no Hoare annotation was computed. [2021-12-18 01:21:42,583 INFO L861 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: true [2021-12-18 01:21:42,583 INFO L858 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2021-12-18 01:21:42,583 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6933 6935) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6933 6935) the Hoare annotation is: true [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point L6306-3(line 6306) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point L6306-2(line 6306) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6302 6307) the Hoare annotation is: true [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point L6306-5(line 6306) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6302 6307) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2021-12-18 01:21:42,584 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-18 01:21:42,585 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-18 01:21:42,585 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-18 01:21:42,585 INFO L854 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) [2021-12-18 01:21:42,585 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-18 01:21:42,585 INFO L858 garLoopResultBuilder]: For program point L6854-5(lines 6854 6855) no Hoare annotation was computed. [2021-12-18 01:21:42,585 INFO L858 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2021-12-18 01:21:42,585 INFO L858 garLoopResultBuilder]: For program point L7259(lines 7259 7263) no Hoare annotation was computed. [2021-12-18 01:21:42,585 INFO L854 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: false [2021-12-18 01:21:42,585 INFO L858 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2021-12-18 01:21:42,585 INFO L854 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: false [2021-12-18 01:21:42,585 INFO L854 garLoopResultBuilder]: At program point L6859(lines 6850 6860) the Hoare annotation is: false [2021-12-18 01:21:42,586 INFO L858 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2021-12-18 01:21:42,586 INFO L854 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (and (let ((.cse0 (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616))) (<= (+ (* 18446744073709551616 .cse0) 18446744073709551616) (+ (* 18446744073709551616 (div (+ (* |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (- 1)) (* .cse0 18446744073709551616) 18446744073710786164) 18446744073709551616)) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|))) (<= 18446744073709551616 (+ (* 18446744073709551616 (div (+ (* |ULTIMATE.start_ensure_string_is_allocated_~len#1| (- 1)) 18446744073710786164) 18446744073709551616)) |ULTIMATE.start_ensure_string_is_allocated_~len#1|)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165)) [2021-12-18 01:21:42,586 INFO L854 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: false [2021-12-18 01:21:42,586 INFO L854 garLoopResultBuilder]: At program point L6847(lines 6844 6848) the Hoare annotation is: false [2021-12-18 01:21:42,586 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-18 01:21:42,586 INFO L854 garLoopResultBuilder]: At program point L7264(line 7264) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.offset| 0) (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.offset| 0)) [2021-12-18 01:21:42,586 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-18 01:21:42,586 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-18 01:21:42,586 INFO L858 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2021-12-18 01:21:42,586 INFO L858 garLoopResultBuilder]: For program point L7262-2(line 7262) no Hoare annotation was computed. [2021-12-18 01:21:42,586 INFO L854 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) [2021-12-18 01:21:42,587 INFO L854 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: false [2021-12-18 01:21:42,587 INFO L854 garLoopResultBuilder]: At program point L6839(lines 6837 6842) the Hoare annotation is: false [2021-12-18 01:21:42,587 INFO L854 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: false [2021-12-18 01:21:42,587 INFO L858 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2021-12-18 01:21:42,587 INFO L854 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: false [2021-12-18 01:21:42,587 INFO L858 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2021-12-18 01:21:42,587 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-18 01:21:42,587 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-18 01:21:42,587 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-18 01:21:42,587 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-18 01:21:42,587 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-18 01:21:42,588 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-18 01:21:42,590 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-18 01:21:42,592 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 01:21:42,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 01:21:42 BoogieIcfgContainer [2021-12-18 01:21:42,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 01:21:42,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 01:21:42,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 01:21:42,605 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 01:21:42,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:21:30" (3/4) ... [2021-12-18 01:21:42,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-18 01:21:42,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-18 01:21:42,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-18 01:21:42,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-18 01:21:42,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2021-12-18 01:21:42,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-18 01:21:42,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-18 01:21:42,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-18 01:21:42,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-12-18 01:21:42,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-18 01:21:42,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-18 01:21:42,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-18 01:21:42,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-18 01:21:42,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((str == 0 && \result == 0) && \result == 0) && \result == 0) && str == 0 [2021-12-18 01:21:42,651 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-18 01:21:42,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 01:21:42,652 INFO L158 Benchmark]: Toolchain (without parser) took 14722.30ms. Allocated memory was 92.3MB in the beginning and 251.7MB in the end (delta: 159.4MB). Free memory was 58.2MB in the beginning and 74.5MB in the end (delta: -16.3MB). Peak memory consumption was 144.1MB. Max. memory is 16.1GB. [2021-12-18 01:21:42,652 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 01:21:42,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1606.46ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 57.9MB in the beginning and 61.6MB in the end (delta: -3.8MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2021-12-18 01:21:42,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.10ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 56.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-18 01:21:42,652 INFO L158 Benchmark]: Boogie Preprocessor took 31.62ms. Allocated memory is still 117.4MB. Free memory was 56.7MB in the beginning and 53.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 01:21:42,653 INFO L158 Benchmark]: RCFGBuilder took 542.90ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 75.6MB in the end (delta: -21.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-18 01:21:42,653 INFO L158 Benchmark]: TraceAbstraction took 12368.31ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 74.9MB in the beginning and 79.8MB in the end (delta: -4.9MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. [2021-12-18 01:21:42,653 INFO L158 Benchmark]: Witness Printer took 46.82ms. Allocated memory is still 251.7MB. Free memory was 79.8MB in the beginning and 74.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-18 01:21:42,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1606.46ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 57.9MB in the beginning and 61.6MB in the end (delta: -3.8MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.10ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 56.7MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.62ms. Allocated memory is still 117.4MB. Free memory was 56.7MB in the beginning and 53.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.90ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 75.6MB in the end (delta: -21.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12368.31ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 74.9MB in the beginning and 79.8MB in the end (delta: -4.9MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. * Witness Printer took 46.82ms. Allocated memory is still 251.7MB. Free memory was 79.8MB in the beginning and 74.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 1074 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 30 IncrementalHoareTripleChecker+Unchecked, 956 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1179 IncrementalHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 118 mSDtfsCounter, 1179 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 139 SyntacticMatches, 4 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 42 PreInvPairs, 45 NumberOfFragments, 98 HoareAnnotationTreeSize, 42 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 312 ConstructedInterpolants, 17 QuantifiedInterpolants, 4938 SizeOfPredicates, 29 NumberOfNonLiveVariables, 295 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 72/87 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: 7264]: Loop Invariant Derived loop invariant: (((str == 0 && \result == 0) && \result == 0) && \result == 0) && str == 0 - InvariantResult [Line: 6850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6844]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-18 01:21:42,700 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