./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 791161d1 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-?-791161d [2022-07-22 22:33:31,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:33:31,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:33:31,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:33:31,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:33:31,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:33:31,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:33:31,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:33:31,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:33:31,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:33:31,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:33:31,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:33:31,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:33:31,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:33:31,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:33:31,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:33:31,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:33:31,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:33:31,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:33:31,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:33:31,226 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:33:31,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:33:31,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:33:31,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:33:31,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:33:31,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:33:31,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:33:31,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:33:31,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:33:31,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:33:31,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:33:31,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:33:31,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:33:31,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:33:31,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:33:31,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:33:31,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:33:31,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:33:31,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:33:31,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:33:31,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:33:31,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:33:31,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:33:31,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:33:31,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:33:31,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:33:31,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:33:31,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:33:31,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:33:31,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:33:31,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:33:31,283 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:33:31,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:33:31,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:33:31,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:33:31,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:33:31,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:33:31,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:33:31,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:33:31,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:33:31,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:33:31,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:33:31,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:33:31,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:33:31,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:33:31,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:33:31,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:33:31,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:33:31,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:33:31,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:33:31,291 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:33:31,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:33:31,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:33:31,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2022-07-22 22:33:31,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:33:31,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:33:31,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:33:31,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:33:31,495 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:33:31,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2022-07-22 22:33:31,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ebcdb7db/27892129469a4af790f5f3ae77597fd5/FLAGd7ba3914b [2022-07-22 22:33:32,058 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:33:32,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2022-07-22 22:33:32,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ebcdb7db/27892129469a4af790f5f3ae77597fd5/FLAGd7ba3914b [2022-07-22 22:33:32,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ebcdb7db/27892129469a4af790f5f3ae77597fd5 [2022-07-22 22:33:32,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:33:32,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:33:32,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:33:32,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:33:32,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:33:32,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:33:32" (1/1) ... [2022-07-22 22:33:32,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f38097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:32, skipping insertion in model container [2022-07-22 22:33:32,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:33:32" (1/1) ... [2022-07-22 22:33:32,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:33:32,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:33:32,559 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] [2022-07-22 22:33:32,562 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] [2022-07-22 22:33:33,078 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,079 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,079 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,080 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,081 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,097 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,099 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,100 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,103 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,103 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,104 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,104 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,299 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:33:33,301 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:33:33,301 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:33:33,302 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:33:33,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:33:33,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:33:33,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:33:33,304 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:33:33,304 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:33:33,305 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:33:33,393 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:33:33,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:33:33,420 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:33:33,437 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] [2022-07-22 22:33:33,437 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] [2022-07-22 22:33:33,465 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,466 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,466 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,467 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,467 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,470 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,471 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,471 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,472 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,472 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,473 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,473 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,473 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:33,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:33:33,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:33:33,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:33:33,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:33:33,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:33:33,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:33:33,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:33:33,534 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:33:33,542 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:33:33,543 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:33:33,555 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:33:33,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:33:33,694 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:33:33,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33 WrapperNode [2022-07-22 22:33:33,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:33:33,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:33:33,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:33:33,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:33:33,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,799 INFO L137 Inliner]: procedures = 679, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 60 [2022-07-22 22:33:33,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:33:33,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:33:33,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:33:33,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:33:33,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:33:33,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:33:33,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:33:33,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:33:33,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (1/1) ... [2022-07-22 22:33:33,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:33:33,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:33:33,888 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) [2022-07-22 22:33:33,890 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 [2022-07-22 22:33:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-22 22:33:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-22 22:33:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-22 22:33:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-22 22:33:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:33:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-22 22:33:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-22 22:33:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:33:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-22 22:33:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-07-22 22:33:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:33:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-22 22:33:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-22 22:33:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:33:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:33:34,101 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:33:34,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:33:34,234 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:33:34,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:33:34,238 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 22:33:34,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:33:34 BoogieIcfgContainer [2022-07-22 22:33:34,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:33:34,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:33:34,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:33:34,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:33:34,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:33:32" (1/3) ... [2022-07-22 22:33:34,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eda6d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:33:34, skipping insertion in model container [2022-07-22 22:33:34,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:33" (2/3) ... [2022-07-22 22:33:34,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eda6d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:33:34, skipping insertion in model container [2022-07-22 22:33:34,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:33:34" (3/3) ... [2022-07-22 22:33:34,248 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2022-07-22 22:33:34,256 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:33:34,256 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:33:34,301 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:33:34,305 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@6029a366, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e62e0e7 [2022-07-22 22:33:34,305 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:33:34,307 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) [2022-07-22 22:33:34,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 22:33:34,313 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:33:34,313 INFO L195 NwaCegarLoop]: 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] [2022-07-22 22:33:34,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:33:34,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:33:34,316 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2022-07-22 22:33:34,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:33:34,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72566260] [2022-07-22 22:33:34,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:33:34,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:33:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:33:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:33:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:33:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:33:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:33:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 22:33:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:33:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:33:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 22:33:34,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:33:34,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72566260] [2022-07-22 22:33:34,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72566260] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:33:34,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:33:34,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-22 22:33:34,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314585822] [2022-07-22 22:33:34,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:33:34,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-22 22:33:34,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:33:35,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-22 22:33:35,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2022-07-22 22:33:35,010 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), 15 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) [2022-07-22 22:33:35,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:33:35,487 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2022-07-22 22:33:35,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-22 22:33:35,489 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 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 [2022-07-22 22:33:35,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:33:35,494 INFO L225 Difference]: With dead ends: 128 [2022-07-22 22:33:35,494 INFO L226 Difference]: Without dead ends: 58 [2022-07-22 22:33:35,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2022-07-22 22:33:35,499 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 86 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:33:35,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 293 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 22:33:35,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-07-22 22:33:35,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-07-22 22:33:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.054054054054054) internal successors, (39), 38 states have internal predecessors, (39), 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) [2022-07-22 22:33:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2022-07-22 22:33:35,524 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 55 [2022-07-22 22:33:35,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:33:35,525 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-07-22 22:33:35,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 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) [2022-07-22 22:33:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-07-22 22:33:35,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 22:33:35,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:33:35,527 INFO L195 NwaCegarLoop]: 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] [2022-07-22 22:33:35,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 22:33:35,527 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:33:35,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:33:35,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1047718708, now seen corresponding path program 1 times [2022-07-22 22:33:35,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:33:35,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521435498] [2022-07-22 22:33:35,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:33:35,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:33:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:33:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:33:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:33:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:33:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:33:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 22:33:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:33:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:33:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 22:33:35,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:33:35,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521435498] [2022-07-22 22:33:35,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521435498] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:33:35,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:33:35,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-22 22:33:35,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667874205] [2022-07-22 22:33:35,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:33:35,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 22:33:35,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:33:35,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 22:33:35,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-22 22:33:35,830 INFO L87 Difference]: Start difference. First operand 58 states and 62 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) [2022-07-22 22:33:36,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:33:36,203 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2022-07-22 22:33:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 22:33:36,203 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 [2022-07-22 22:33:36,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:33:36,204 INFO L225 Difference]: With dead ends: 64 [2022-07-22 22:33:36,204 INFO L226 Difference]: Without dead ends: 60 [2022-07-22 22:33:36,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2022-07-22 22:33:36,205 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 51 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:33:36,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 253 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 22:33:36,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-07-22 22:33:36,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-07-22 22:33:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 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) [2022-07-22 22:33:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2022-07-22 22:33:36,212 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 55 [2022-07-22 22:33:36,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:33:36,212 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2022-07-22 22:33:36,213 INFO L496 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) [2022-07-22 22:33:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2022-07-22 22:33:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-22 22:33:36,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:33:36,214 INFO L195 NwaCegarLoop]: 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] [2022-07-22 22:33:36,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 22:33:36,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:33:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:33:36,218 INFO L85 PathProgramCache]: Analyzing trace with hash -776855734, now seen corresponding path program 1 times [2022-07-22 22:33:36,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:33:36,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49157820] [2022-07-22 22:33:36,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:33:36,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:33:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:33:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:33:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 22:33:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:33:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 22:33:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 22:33:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 22:33:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:33:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 22:33:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 22:33:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-22 22:33:36,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:33:36,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49157820] [2022-07-22 22:33:36,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49157820] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:33:36,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917249081] [2022-07-22 22:33:36,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:33:36,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:33:36,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:33:36,475 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) [2022-07-22 22:33:36,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 22:33:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:33:36,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 96 conjunts are in the unsatisfiable core [2022-07-22 22:33:36,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:33:36,664 INFO L390 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 [2022-07-22 22:33:38,565 INFO L356 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-07-22 22:33:38,565 INFO L390 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 223 treesize of output 183 [2022-07-22 22:33:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 22:33:38,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 22:33:43,244 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 22:33:43,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917249081] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 22:33:43,244 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 22:33:43,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 29, 20] total 55 [2022-07-22 22:33:43,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738742885] [2022-07-22 22:33:43,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 22:33:43,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-07-22 22:33:43,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:33:43,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-07-22 22:33:43,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2803, Unknown=1, NotChecked=0, Total=2970 [2022-07-22 22:33:43,247 INFO L87 Difference]: Start difference. First operand 60 states and 63 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) [2022-07-22 22:33:43,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:33:43,771 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2022-07-22 22:33:43,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 22:33:43,772 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 [2022-07-22 22:33:43,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:33:43,772 INFO L225 Difference]: With dead ends: 64 [2022-07-22 22:33:43,772 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 22:33:43,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=207, Invalid=3574, Unknown=1, NotChecked=0, Total=3782 [2022-07-22 22:33:43,774 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:33:43,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 177 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 384 Invalid, 0 Unknown, 40 Unchecked, 0.3s Time] [2022-07-22 22:33:43,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 22:33:43,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 22:33:43,775 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) [2022-07-22 22:33:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 22:33:43,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-07-22 22:33:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:33:43,775 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 22:33:43,775 INFO L496 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) [2022-07-22 22:33:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 22:33:43,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 22:33:43,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 22:33:43,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 22:33:43,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:33:43,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 22:33:44,034 INFO L899 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2022-07-22 22:33:44,034 INFO L895 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-07-22 22:33:44,034 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6926 6931) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-07-22 22:33:44,034 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6926 6931) no Hoare annotation was computed. [2022-07-22 22:33:44,034 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2022-07-22 22:33:44,034 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-22 22:33:44,035 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-22 22:33:44,035 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-22 22:33:44,035 INFO L902 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6292 6296) the Hoare annotation is: true [2022-07-22 22:33:44,035 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2022-07-22 22:33:44,035 INFO L902 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2022-07-22 22:33:44,035 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6292 6296) no Hoare annotation was computed. [2022-07-22 22:33:44,035 INFO L902 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: true [2022-07-22 22:33:44,035 INFO L899 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2022-07-22 22:33:44,036 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-22 22:33:44,036 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-22 22:33:44,036 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-22 22:33:44,036 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-22 22:33:44,036 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6933 6935) no Hoare annotation was computed. [2022-07-22 22:33:44,036 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2022-07-22 22:33:44,036 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6933 6935) the Hoare annotation is: true [2022-07-22 22:33:44,038 INFO L899 garLoopResultBuilder]: For program point L6306-3(line 6306) no Hoare annotation was computed. [2022-07-22 22:33:44,039 INFO L899 garLoopResultBuilder]: For program point L6306-2(line 6306) no Hoare annotation was computed. [2022-07-22 22:33:44,039 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6302 6307) the Hoare annotation is: true [2022-07-22 22:33:44,039 INFO L899 garLoopResultBuilder]: For program point L6306-5(line 6306) no Hoare annotation was computed. [2022-07-22 22:33:44,039 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6302 6307) no Hoare annotation was computed. [2022-07-22 22:33:44,039 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2022-07-22 22:33:44,039 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2022-07-22 22:33:44,039 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-07-22 22:33:44,039 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-07-22 22:33:44,040 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-07-22 22:33:44,040 INFO L895 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0) [2022-07-22 22:33:44,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 22:33:44,040 INFO L899 garLoopResultBuilder]: For program point L6854-5(lines 6854 6855) no Hoare annotation was computed. [2022-07-22 22:33:44,040 INFO L899 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2022-07-22 22:33:44,040 INFO L899 garLoopResultBuilder]: For program point L7259(lines 7259 7263) no Hoare annotation was computed. [2022-07-22 22:33:44,042 INFO L895 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: false [2022-07-22 22:33:44,042 INFO L899 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2022-07-22 22:33:44,042 INFO L895 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: false [2022-07-22 22:33:44,042 INFO L895 garLoopResultBuilder]: At program point L6859(lines 6850 6860) the Hoare annotation is: false [2022-07-22 22:33:44,042 INFO L899 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2022-07-22 22:33:44,042 INFO L895 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))) (<= (+ 18446744073709551616 .cse0) (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (* 18446744073709551616 (div (+ (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|) 18446744073710786164 .cse0) 18446744073709551616))))) (<= 18446744073709551616 (+ |ULTIMATE.start_ensure_string_is_allocated_~len#1| (* 18446744073709551616 (div (+ 18446744073710786164 (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_~len#1|)) 18446744073709551616)))) (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0)) [2022-07-22 22:33:44,042 INFO L895 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: false [2022-07-22 22:33:44,043 INFO L895 garLoopResultBuilder]: At program point L6847(lines 6844 6848) the Hoare annotation is: false [2022-07-22 22:33:44,043 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 22:33:44,043 INFO L895 garLoopResultBuilder]: At program point L7264(line 7264) the Hoare annotation is: (and (not (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.base| 0))) [2022-07-22 22:33:44,043 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 22:33:44,043 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 22:33:44,043 INFO L899 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2022-07-22 22:33:44,043 INFO L899 garLoopResultBuilder]: For program point L7262-2(line 7262) no Hoare annotation was computed. [2022-07-22 22:33:44,043 INFO L895 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| (- 18446744073710786165)) 0) [2022-07-22 22:33:44,044 INFO L895 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: false [2022-07-22 22:33:44,044 INFO L895 garLoopResultBuilder]: At program point L6839(lines 6837 6842) the Hoare annotation is: false [2022-07-22 22:33:44,044 INFO L895 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: false [2022-07-22 22:33:44,044 INFO L899 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2022-07-22 22:33:44,044 INFO L895 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: false [2022-07-22 22:33:44,044 INFO L899 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2022-07-22 22:33:44,044 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-22 22:33:44,044 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-22 22:33:44,045 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-22 22:33:44,045 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-22 22:33:44,045 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-22 22:33:44,045 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-22 22:33:44,048 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-22 22:33:44,050 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 22:33:44,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:33:44 BoogieIcfgContainer [2022-07-22 22:33:44,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 22:33:44,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 22:33:44,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 22:33:44,062 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 22:33:44,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:33:34" (3/4) ... [2022-07-22 22:33:44,064 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 22:33:44,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-22 22:33:44,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-22 22:33:44,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-22 22:33:44,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-07-22 22:33:44,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-22 22:33:44,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-22 22:33:44,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-22 22:33:44,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-07-22 22:33:44,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 22:33:44,072 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 22:33:44,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 22:33:44,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 22:33:44,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(str == 0)) && !(str == 0)) && !(\result == 0)) && !(\result == 0) [2022-07-22 22:33:44,098 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 22:33:44,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 22:33:44,099 INFO L158 Benchmark]: Toolchain (without parser) took 11809.12ms. Allocated memory was 115.3MB in the beginning and 274.7MB in the end (delta: 159.4MB). Free memory was 80.9MB in the beginning and 103.7MB in the end (delta: -22.8MB). Peak memory consumption was 134.7MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,099 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:33:44,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1404.07ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 80.6MB in the beginning and 87.6MB in the end (delta: -7.0MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.78ms. Allocated memory is still 146.8MB. Free memory was 87.6MB in the beginning and 82.5MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,100 INFO L158 Benchmark]: Boogie Preprocessor took 22.88ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 79.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,100 INFO L158 Benchmark]: RCFGBuilder took 415.68ms. Allocated memory is still 146.8MB. Free memory was 79.6MB in the beginning and 62.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,101 INFO L158 Benchmark]: TraceAbstraction took 9820.56ms. Allocated memory was 146.8MB in the beginning and 274.7MB in the end (delta: 127.9MB). Free memory was 62.5MB in the beginning and 106.8MB in the end (delta: -44.4MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,101 INFO L158 Benchmark]: Witness Printer took 37.29ms. Allocated memory is still 274.7MB. Free memory was 106.8MB in the beginning and 103.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,102 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 115.3MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1404.07ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 80.6MB in the beginning and 87.6MB in the end (delta: -7.0MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.78ms. Allocated memory is still 146.8MB. Free memory was 87.6MB in the beginning and 82.5MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.88ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 79.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.68ms. Allocated memory is still 146.8MB. Free memory was 79.6MB in the beginning and 62.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9820.56ms. Allocated memory was 146.8MB in the beginning and 274.7MB in the end (delta: 127.9MB). Free memory was 62.5MB in the beginning and 106.8MB in the end (delta: -44.4MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. * Witness Printer took 37.29ms. Allocated memory is still 274.7MB. Free memory was 106.8MB in the beginning and 103.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 9.8s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 723 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 40 IncrementalHoareTripleChecker+Unchecked, 608 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1500 IncrementalHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 115 mSDtfsCounter, 1500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 43, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 42 PreInvPairs, 45 NumberOfFragments, 109 HoareAnnotationTreeSize, 42 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 312 ConstructedInterpolants, 17 QuantifiedInterpolants, 4980 SizeOfPredicates, 30 NumberOfNonLiveVariables, 295 ConjunctsInSsa, 96 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: (((!(\result == 0) && !(str == 0)) && !(str == 0)) && !(\result == 0)) && !(\result == 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! [2022-07-22 22:33:44,137 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