./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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_hash_array_ignore_case_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 a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:58:35,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:58:35,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:58:35,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:58:35,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:58:35,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:58:35,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:58:35,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:58:35,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:58:35,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:58:35,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:58:35,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:58:35,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:58:35,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:58:35,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:58:35,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:58:35,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:58:35,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:58:35,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:58:35,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:58:35,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:58:35,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:58:35,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:58:35,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:58:35,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:58:35,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:58:35,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:58:35,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:58:35,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:58:35,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:58:35,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:58:35,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:58:35,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:58:35,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:58:35,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:58:35,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:58:35,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:58:35,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:58:35,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:58:35,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:58:35,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:58:35,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 13:58:35,451 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:58:35,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:58:35,452 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:58:35,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:58:35,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:58:35,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:58:35,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:58:35,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:58:35,453 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:58:35,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:58:35,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 13:58:35,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:58:35,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:58:35,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:58:35,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:58:35,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:58:35,455 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:58:35,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:58:35,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:58:35,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:58:35,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:58:35,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:58:35,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:58:35,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:58:35,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:58:35,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 13:58:35,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 13:58:35,457 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:58:35,457 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:58:35,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:58:35,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:58:35,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2021-12-22 13:58:35,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:58:35,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:58:35,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:58:35,660 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:58:35,660 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:58:35,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-12-22 13:58:35,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6861b350/b4dce435deaf4dc69ce62f73877b24f2/FLAG2f4204c8a [2021-12-22 13:58:36,250 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:58:36,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-12-22 13:58:36,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6861b350/b4dce435deaf4dc69ce62f73877b24f2/FLAG2f4204c8a [2021-12-22 13:58:36,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6861b350/b4dce435deaf4dc69ce62f73877b24f2 [2021-12-22 13:58:36,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:58:36,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:58:36,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:58:36,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:58:36,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:58:36,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:58:36" (1/1) ... [2021-12-22 13:58:36,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:36, skipping insertion in model container [2021-12-22 13:58:36,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:58:36" (1/1) ... [2021-12-22 13:58:36,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:58:36,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:58:37,045 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_hash_array_ignore_case_harness.i[4500,4513] [2021-12-22 13:58:37,052 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_hash_array_ignore_case_harness.i[4560,4573] [2021-12-22 13:58:37,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,556 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,556 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,557 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,753 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-22 13:58:37,754 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-22 13:58:37,754 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-22 13:58:37,755 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-22 13:58:37,756 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-22 13:58:37,756 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-22 13:58:37,757 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-22 13:58:37,757 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-22 13:58:37,757 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-22 13:58:37,758 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-22 13:58:37,836 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-22 13:58:37,936 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:37,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:58:38,018 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 13:58:38,032 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_hash_array_ignore_case_harness.i[4500,4513] [2021-12-22 13:58:38,033 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_hash_array_ignore_case_harness.i[4560,4573] [2021-12-22 13:58:38,058 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,059 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,060 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,060 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,060 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,068 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,070 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,071 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,071 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,099 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-22 13:58:38,100 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-22 13:58:38,101 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-22 13:58:38,101 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-22 13:58:38,102 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-22 13:58:38,102 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-22 13:58:38,103 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-22 13:58:38,103 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-22 13:58:38,103 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-22 13:58:38,104 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-22 13:58:38,125 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-22 13:58:38,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,172 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-22 13:58:38,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:58:38,387 INFO L208 MainTranslator]: Completed translation [2021-12-22 13:58:38,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38 WrapperNode [2021-12-22 13:58:38,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:58:38,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 13:58:38,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 13:58:38,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 13:58:38,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,512 INFO L137 Inliner]: procedures = 690, calls = 2600, calls flagged for inlining = 56, calls inlined = 3, statements flattened = 728 [2021-12-22 13:58:38,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 13:58:38,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 13:58:38,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 13:58:38,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 13:58:38,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 13:58:38,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 13:58:38,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 13:58:38,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 13:58:38,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (1/1) ... [2021-12-22 13:58:38,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:58:38,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:58:38,656 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) [2021-12-22 13:58:38,671 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 [2021-12-22 13:58:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-22 13:58:38,690 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-22 13:58:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 13:58:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-22 13:58:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-22 13:58:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 13:58:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 13:58:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 13:58:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 13:58:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2021-12-22 13:58:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2021-12-22 13:58:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-22 13:58:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-22 13:58:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-22 13:58:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-22 13:58:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 13:58:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 13:58:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 13:58:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 13:58:38,887 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 13:58:38,888 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 13:58:39,506 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 13:58:39,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 13:58:39,516 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 13:58:39,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:58:39 BoogieIcfgContainer [2021-12-22 13:58:39,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 13:58:39,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 13:58:39,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 13:58:39,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 13:58:39,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:58:36" (1/3) ... [2021-12-22 13:58:39,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ff2838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:58:39, skipping insertion in model container [2021-12-22 13:58:39,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:58:38" (2/3) ... [2021-12-22 13:58:39,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ff2838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:58:39, skipping insertion in model container [2021-12-22 13:58:39,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:58:39" (3/3) ... [2021-12-22 13:58:39,524 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2021-12-22 13:58:39,548 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 13:58:39,548 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 13:58:39,588 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 13:58:39,597 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 [2021-12-22 13:58:39,597 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 13:58:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-22 13:58:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-22 13:58:39,612 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 13:58:39,613 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] [2021-12-22 13:58:39,613 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:58:39,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:58:39,617 INFO L85 PathProgramCache]: Analyzing trace with hash -829025532, now seen corresponding path program 1 times [2021-12-22 13:58:39,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:58:39,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170199812] [2021-12-22 13:58:39,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:58:39,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:58:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 13:58:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 13:58:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 13:58:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 13:58:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 13:58:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 13:58:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 13:58:40,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:58:40,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170199812] [2021-12-22 13:58:40,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170199812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:58:40,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:58:40,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 13:58:40,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122735031] [2021-12-22 13:58:40,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:58:40,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 13:58:40,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:58:40,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 13:58:40,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 13:58:40,118 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-22 13:58:40,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 13:58:40,219 INFO L93 Difference]: Finished difference Result 92 states and 113 transitions. [2021-12-22 13:58:40,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 13:58:40,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2021-12-22 13:58:40,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 13:58:40,227 INFO L225 Difference]: With dead ends: 92 [2021-12-22 13:58:40,231 INFO L226 Difference]: Without dead ends: 43 [2021-12-22 13:58:40,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 13:58:40,238 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 22 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 13:58:40,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 56 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 13:58:40,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-12-22 13:58:40,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-12-22 13:58:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-22 13:58:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2021-12-22 13:58:40,271 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 40 [2021-12-22 13:58:40,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 13:58:40,271 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2021-12-22 13:58:40,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-22 13:58:40,272 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2021-12-22 13:58:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-22 13:58:40,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 13:58:40,275 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] [2021-12-22 13:58:40,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 13:58:40,276 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:58:40,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:58:40,276 INFO L85 PathProgramCache]: Analyzing trace with hash 307003774, now seen corresponding path program 1 times [2021-12-22 13:58:40,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:58:40,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635205410] [2021-12-22 13:58:40,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:58:40,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:58:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 13:58:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 13:58:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 13:58:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 13:58:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 13:58:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 13:58:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 13:58:40,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:58:40,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635205410] [2021-12-22 13:58:40,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635205410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:58:40,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:58:40,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 13:58:40,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269480818] [2021-12-22 13:58:40,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:58:40,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 13:58:40,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:58:40,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 13:58:40,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-22 13:58:40,681 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-22 13:58:40,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 13:58:40,867 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2021-12-22 13:58:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 13:58:40,868 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2021-12-22 13:58:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 13:58:40,869 INFO L225 Difference]: With dead ends: 53 [2021-12-22 13:58:40,869 INFO L226 Difference]: Without dead ends: 44 [2021-12-22 13:58:40,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-22 13:58:40,870 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 36 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 13:58:40,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 162 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 13:58:40,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-12-22 13:58:40,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2021-12-22 13:58:40,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-22 13:58:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2021-12-22 13:58:40,875 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 40 [2021-12-22 13:58:40,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 13:58:40,876 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2021-12-22 13:58:40,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-22 13:58:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2021-12-22 13:58:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-22 13:58:40,878 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 13:58:40,878 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] [2021-12-22 13:58:40,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 13:58:40,878 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 13:58:40,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:58:40,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1264875008, now seen corresponding path program 1 times [2021-12-22 13:58:40,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:58:40,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170045344] [2021-12-22 13:58:40,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:58:40,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:58:40,947 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-22 13:58:40,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [360907503] [2021-12-22 13:58:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:58:40,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 13:58:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:58:40,949 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) [2021-12-22 13:58:40,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 13:58:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:58:41,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 2342 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-22 13:58:41,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 13:58:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-22 13:58:41,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 13:58:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-22 13:58:41,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:58:41,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170045344] [2021-12-22 13:58:41,738 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-22 13:58:41,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360907503] [2021-12-22 13:58:41,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360907503] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 13:58:41,741 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-22 13:58:41,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-22 13:58:41,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357027576] [2021-12-22 13:58:41,741 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-22 13:58:41,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 13:58:41,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:58:41,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 13:58:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-22 13:58:41,744 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-22 13:58:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 13:58:41,796 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2021-12-22 13:58:41,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 13:58:41,796 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2021-12-22 13:58:41,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 13:58:41,797 INFO L225 Difference]: With dead ends: 41 [2021-12-22 13:58:41,797 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 13:58:41,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-12-22 13:58:41,800 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 5 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 13:58:41,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 240 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 13:58:41,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 13:58:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 13:58:41,805 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) [2021-12-22 13:58:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 13:58:41,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-12-22 13:58:41,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 13:58:41,805 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 13:58:41,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-22 13:58:41,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 13:58:41,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 13:58:41,811 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 13:58:41,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 13:58:42,027 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 [2021-12-22 13:58:42,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 13:58:42,091 INFO L854 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-22 13:58:42,091 INFO L858 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2021-12-22 13:58:42,092 INFO L854 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-22 13:58:42,092 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2021-12-22 13:58:42,092 INFO L858 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2021-12-22 13:58:42,092 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2021-12-22 13:58:42,092 INFO L854 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-22 13:58:42,092 INFO L858 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2021-12-22 13:58:42,092 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-22 13:58:42,093 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-12-22 13:58:42,093 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-12-22 13:58:42,093 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-12-22 13:58:42,093 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-22 13:58:42,093 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-22 13:58:42,093 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-22 13:58:42,093 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-22 13:58:42,093 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 13:58:42,093 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 13:58:42,094 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 13:58:42,094 INFO L861 garLoopResultBuilder]: At program point L8962-1(line 8962) the Hoare annotation is: true [2021-12-22 13:58:42,094 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 13:58:42,094 INFO L861 garLoopResultBuilder]: At program point L8972(line 8972) the Hoare annotation is: true [2021-12-22 13:58:42,094 INFO L854 garLoopResultBuilder]: At program point L8970(line 8970) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0)) (= (mod |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616) 0)) [2021-12-22 13:58:42,094 INFO L861 garLoopResultBuilder]: At program point L8964(line 8964) the Hoare annotation is: true [2021-12-22 13:58:42,094 INFO L858 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2021-12-22 13:58:42,095 INFO L854 garLoopResultBuilder]: At program point L8964-1(line 8964) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0)) (= (mod |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616) 0)) [2021-12-22 13:58:42,095 INFO L861 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2021-12-22 13:58:42,095 INFO L858 garLoopResultBuilder]: For program point L8970-1(lines 8959 8971) no Hoare annotation was computed. [2021-12-22 13:58:42,095 INFO L858 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2021-12-22 13:58:42,095 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-22 13:58:42,095 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-22 13:58:42,095 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-22 13:58:42,095 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-22 13:58:42,095 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-22 13:58:42,096 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-22 13:58:42,096 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-22 13:58:42,096 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-22 13:58:42,096 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-22 13:58:42,096 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-22 13:58:42,096 INFO L858 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseFINAL(lines 7794 7814) no Hoare annotation was computed. [2021-12-22 13:58:42,096 INFO L854 garLoopResultBuilder]: At program point L7804-2(lines 7804 7812) the Hoare annotation is: (or (= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (not (= (* 18446744073709551616 (div aws_hash_array_ignore_case_~len 18446744073709551616)) aws_hash_array_ignore_case_~len))) [2021-12-22 13:58:42,097 INFO L858 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseEXIT(lines 7794 7814) no Hoare annotation was computed. [2021-12-22 13:58:42,097 INFO L861 garLoopResultBuilder]: At program point aws_hash_array_ignore_caseENTRY(lines 7794 7814) the Hoare annotation is: true [2021-12-22 13:58:42,097 INFO L858 garLoopResultBuilder]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2021-12-22 13:58:42,097 INFO L858 garLoopResultBuilder]: For program point L7795-1(line 7795) no Hoare annotation was computed. [2021-12-22 13:58:42,097 INFO L854 garLoopResultBuilder]: At program point L7795(line 7795) the Hoare annotation is: (or (= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (not (= (+ (* (- 18446744073709551616) (div aws_hash_array_ignore_case_~len 18446744073709551616)) aws_hash_array_ignore_case_~len) 0))) [2021-12-22 13:58:42,099 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-22 13:58:42,100 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 13:58:42,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:58:42 BoogieIcfgContainer [2021-12-22 13:58:42,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 13:58:42,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 13:58:42,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 13:58:42,109 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 13:58:42,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:58:39" (3/4) ... [2021-12-22 13:58:42,111 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 13:58:42,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-12-22 13:58:42,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-22 13:58:42,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-22 13:58:42,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-22 13:58:42,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-22 13:58:42,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2021-12-22 13:58:42,122 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2021-12-22 13:58:42,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-12-22 13:58:42,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-12-22 13:58:42,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-22 13:58:42,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-22 13:58:42,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-22 13:58:42,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 13:58:42,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 13:58:42,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(len) == len || !(18446744073709551616 * (len / 18446744073709551616) == len) [2021-12-22 13:58:42,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 13:58:42,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 13:58:42,712 INFO L158 Benchmark]: Toolchain (without parser) took 5974.00ms. Allocated memory was 104.9MB in the beginning and 318.8MB in the end (delta: 213.9MB). Free memory was 68.2MB in the beginning and 211.6MB in the end (delta: -143.4MB). Peak memory consumption was 228.3MB. Max. memory is 16.1GB. [2021-12-22 13:58:42,712 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 13:58:42,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1648.73ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 68.2MB in the beginning and 50.8MB in the end (delta: 17.4MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-12-22 13:58:42,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.95ms. Allocated memory was 132.1MB in the beginning and 222.3MB in the end (delta: 90.2MB). Free memory was 50.8MB in the beginning and 165.7MB in the end (delta: -115.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 13:58:42,713 INFO L158 Benchmark]: Boogie Preprocessor took 93.07ms. Allocated memory is still 222.3MB. Free memory was 165.7MB in the beginning and 160.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-22 13:58:42,713 INFO L158 Benchmark]: RCFGBuilder took 910.83ms. Allocated memory is still 222.3MB. Free memory was 160.5MB in the beginning and 96.3MB in the end (delta: 64.2MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2021-12-22 13:58:42,713 INFO L158 Benchmark]: TraceAbstraction took 2589.43ms. Allocated memory was 222.3MB in the beginning and 318.8MB in the end (delta: 96.5MB). Free memory was 96.3MB in the beginning and 159.5MB in the end (delta: -63.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2021-12-22 13:58:42,713 INFO L158 Benchmark]: Witness Printer took 602.37ms. Allocated memory is still 318.8MB. Free memory was 159.5MB in the beginning and 211.6MB in the end (delta: -52.1MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2021-12-22 13:58:42,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1648.73ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 68.2MB in the beginning and 50.8MB in the end (delta: 17.4MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.95ms. Allocated memory was 132.1MB in the beginning and 222.3MB in the end (delta: 90.2MB). Free memory was 50.8MB in the beginning and 165.7MB in the end (delta: -115.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.07ms. Allocated memory is still 222.3MB. Free memory was 165.7MB in the beginning and 160.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 910.83ms. Allocated memory is still 222.3MB. Free memory was 160.5MB in the beginning and 96.3MB in the end (delta: 64.2MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2589.43ms. Allocated memory was 222.3MB in the beginning and 318.8MB in the end (delta: 96.5MB). Free memory was 96.3MB in the beginning and 159.5MB in the end (delta: -63.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Witness Printer took 602.37ms. Allocated memory is still 318.8MB. Free memory was 159.5MB in the beginning and 211.6MB in the end (delta: -52.1MB). Peak memory consumption was 107.3MB. 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 7 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 458 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 117 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 34 PreInvPairs, 42 NumberOfFragments, 97 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 61 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2342 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 44/50 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: 8972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7804]: Loop Invariant Derived loop invariant: \old(len) == len || !(18446744073709551616 * (len / 18446744073709551616) == len) RESULT: Ultimate proved your program to be correct! [2021-12-22 13:58:42,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE