./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_array_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 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 /storage/repos/ultimate/trunk/examples/svcomp/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 5f369f541f881b4f6769929841f46aaa0026e00d ................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:45:16,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:45:16,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:45:16,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:45:16,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:45:16,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:45:16,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:45:16,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:45:16,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:45:16,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:45:16,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:45:16,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:45:16,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:45:16,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:45:16,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:45:16,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:45:16,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:45:16,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:45:16,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:45:16,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:45:16,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:45:16,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:45:16,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:45:16,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:45:16,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:45:16,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:45:16,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:45:16,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:45:16,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:45:16,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:45:16,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:45:16,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:45:16,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:45:16,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:45:16,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:45:16,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:45:16,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:45:16,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:45:16,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:45:16,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:45:16,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:45:16,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:45:16,373 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:45:16,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:45:16,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:45:16,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:45:16,376 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:45:16,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:45:16,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:45:16,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:45:16,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:45:16,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:45:16,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:45:16,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:45:16,379 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:45:16,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:45:16,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:45:16,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:45:16,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:45:16,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:45:16,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:45:16,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:45:16,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:45:16,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:45:16,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:45:16,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:45:16,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:45:16,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f369f541f881b4f6769929841f46aaa0026e00d [2020-12-04 18:45:16,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:45:16,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:45:16,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:45:16,856 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:45:16,858 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:45:16,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_array_ignore_case_harness.i [2020-12-04 18:45:16,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb099062/64dd873735fb4e2fb0907f19fdf811c6/FLAG2baa5194c [2020-12-04 18:45:18,103 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:45:18,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_array_ignore_case_harness.i [2020-12-04 18:45:18,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb099062/64dd873735fb4e2fb0907f19fdf811c6/FLAG2baa5194c [2020-12-04 18:45:18,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb099062/64dd873735fb4e2fb0907f19fdf811c6 [2020-12-04 18:45:18,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:45:18,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:45:18,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:45:18,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:45:18,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:45:18,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:45:18" (1/1) ... [2020-12-04 18:45:18,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4459eda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:18, skipping insertion in model container [2020-12-04 18:45:18,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:45:18" (1/1) ... [2020-12-04 18:45:18,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:45:18,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:45:18,900 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2020-12-04 18:45:18,910 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2020-12-04 18:45:18,936 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:45:18,943 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:45:20,447 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:20,448 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:20,450 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:20,453 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:20,456 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:20,483 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:20,484 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:20,494 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:20,495 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:21,436 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:45:21,439 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:45:21,448 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:45:21,454 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:45:21,474 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:45:21,477 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:45:21,480 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:45:21,486 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:45:21,495 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:45:21,499 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:45:21,908 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:45:22,228 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,229 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:45:22,574 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:45:22,634 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2020-12-04 18:45:22,642 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2020-12-04 18:45:22,657 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:45:22,660 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:45:22,831 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,833 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,835 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,838 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,842 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,872 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,873 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,876 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,884 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:22,991 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:45:22,993 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:45:22,996 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:45:22,997 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:45:23,000 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:45:23,007 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:45:23,010 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:45:23,011 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:45:23,012 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:45:23,015 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:45:23,097 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:45:23,247 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:23,249 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:23,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:45:24,974 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:45:24,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24 WrapperNode [2020-12-04 18:45:24,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:45:24,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:45:24,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:45:24,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:45:24,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:45:25,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:45:25,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:45:25,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:45:25,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... [2020-12-04 18:45:25,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:45:25,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:45:25,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:45:25,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:45:25,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:45:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:45:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:45:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:45:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:45:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:45:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:45:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:45:36,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:45:36,688 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2020-12-04 18:45:36,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:45:36 BoogieIcfgContainer [2020-12-04 18:45:36,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:45:36,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:45:36,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:45:36,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:45:36,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:45:18" (1/3) ... [2020-12-04 18:45:36,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d6db6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:45:36, skipping insertion in model container [2020-12-04 18:45:36,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:24" (2/3) ... [2020-12-04 18:45:36,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d6db6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:45:36, skipping insertion in model container [2020-12-04 18:45:36,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:45:36" (3/3) ... [2020-12-04 18:45:36,723 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2020-12-04 18:45:36,759 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:45:36,768 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-04 18:45:36,789 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-04 18:45:36,842 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:45:36,843 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:45:36,843 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:45:36,844 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:45:36,844 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:45:36,844 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:45:36,844 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:45:36,844 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:45:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-12-04 18:45:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-04 18:45:36,890 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:36,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:45:36,892 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:36,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:36,910 INFO L82 PathProgramCache]: Analyzing trace with hash -988132415, now seen corresponding path program 1 times [2020-12-04 18:45:36,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:36,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874388208] [2020-12-04 18:45:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:45:38,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874388208] [2020-12-04 18:45:38,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:38,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:45:38,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529781611] [2020-12-04 18:45:38,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:45:38,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:38,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:45:38,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:45:38,107 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2020-12-04 18:45:38,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:38,130 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2020-12-04 18:45:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:45:38,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2020-12-04 18:45:38,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:38,144 INFO L225 Difference]: With dead ends: 47 [2020-12-04 18:45:38,145 INFO L226 Difference]: Without dead ends: 21 [2020-12-04 18:45:38,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:45:38,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-04 18:45:38,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-04 18:45:38,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-04 18:45:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-12-04 18:45:38,199 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17 [2020-12-04 18:45:38,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:38,199 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-12-04 18:45:38,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:45:38,201 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-12-04 18:45:38,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-04 18:45:38,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:38,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:45:38,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:45:38,203 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:38,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:38,206 INFO L82 PathProgramCache]: Analyzing trace with hash 187069639, now seen corresponding path program 1 times [2020-12-04 18:45:38,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:38,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554020829] [2020-12-04 18:45:38,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:45:39,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554020829] [2020-12-04 18:45:39,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:39,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-04 18:45:39,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624812968] [2020-12-04 18:45:39,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 18:45:39,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:39,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 18:45:39,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:45:39,465 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2020-12-04 18:45:39,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:39,637 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2020-12-04 18:45:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:45:39,639 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-12-04 18:45:39,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:39,640 INFO L225 Difference]: With dead ends: 27 [2020-12-04 18:45:39,640 INFO L226 Difference]: Without dead ends: 22 [2020-12-04 18:45:39,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:45:39,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-12-04 18:45:39,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-12-04 18:45:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-04 18:45:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-12-04 18:45:39,654 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2020-12-04 18:45:39,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:39,654 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-12-04 18:45:39,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 18:45:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2020-12-04 18:45:39,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-04 18:45:39,656 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:39,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:45:39,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 18:45:39,657 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:39,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:39,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1555846255, now seen corresponding path program 1 times [2020-12-04 18:45:39,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:39,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449718886] [2020-12-04 18:45:39,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:39,817 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:45:39,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733029179] [2020-12-04 18:45:39,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:45:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:41,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-04 18:45:41,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:45:41,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:45:41,415 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-04 18:45:41,429 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:45:41,443 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:45:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-04 18:45:41,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449718886] [2020-12-04 18:45:41,474 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:45:41,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733029179] [2020-12-04 18:45:41,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:41,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:45:41,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054728682] [2020-12-04 18:45:41,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:45:41,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:41,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:45:41,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:45:41,481 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 5 states. [2020-12-04 18:45:41,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:41,619 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2020-12-04 18:45:41,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:45:41,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-12-04 18:45:41,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:41,621 INFO L225 Difference]: With dead ends: 22 [2020-12-04 18:45:41,621 INFO L226 Difference]: Without dead ends: 0 [2020-12-04 18:45:41,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:45:41,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-04 18:45:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-04 18:45:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-04 18:45:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-04 18:45:41,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-12-04 18:45:41,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:41,623 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-04 18:45:41,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:45:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-04 18:45:41,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-04 18:45:41,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-04 18:45:41,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-04 18:45:42,028 INFO L265 CegarLoopResult]: At program point L6886(lines 6882 6887) the Hoare annotation is: true [2020-12-04 18:45:42,028 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-04 18:45:42,028 INFO L262 CegarLoopResult]: For program point L222(lines 1 8972) no Hoare annotation was computed. [2020-12-04 18:45:42,028 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-04 18:45:42,028 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-04 18:45:42,029 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:45:42,030 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:45:42,030 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:45:42,030 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:45:42,031 INFO L265 CegarLoopResult]: At program point L8972(line 8972) the Hoare annotation is: true [2020-12-04 18:45:42,031 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:45:42,031 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-04 18:45:42,031 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-04 18:45:42,032 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-04 18:45:42,032 INFO L258 CegarLoopResult]: At program point L7804-2(lines 7804 7812) the Hoare annotation is: (and (or (not (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0.base 0)) (not (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0.offset 0)) (= (mod ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2 4294967296) 0)) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2 ULTIMATE.start_aws_hash_array_ignore_case_~len)) [2020-12-04 18:45:42,032 INFO L262 CegarLoopResult]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2020-12-04 18:45:42,032 INFO L262 CegarLoopResult]: For program point L6900-2(lines 6900 6902) no Hoare annotation was computed. [2020-12-04 18:45:42,033 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-04 18:45:42,033 INFO L262 CegarLoopResult]: For program point L6900(lines 6900 6902) no Hoare annotation was computed. [2020-12-04 18:45:42,033 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-04 18:45:42,033 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-04 18:45:42,033 INFO L265 CegarLoopResult]: At program point L6900-3(lines 6899 6903) the Hoare annotation is: true [2020-12-04 18:45:42,033 INFO L262 CegarLoopResult]: For program point L211-6(line 211) no Hoare annotation was computed. [2020-12-04 18:45:42,034 INFO L265 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: true [2020-12-04 18:45:42,034 INFO L258 CegarLoopResult]: At program point L7813(lines 7794 7814) the Hoare annotation is: (and (or (not (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0.base 0)) (not (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0.offset 0)) (<= ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2 (* 4294967296 (div ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2 4294967296)))) (= ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2 ULTIMATE.start_aws_hash_array_ignore_case_~len)) [2020-12-04 18:45:42,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 06:45:42 BoogieIcfgContainer [2020-12-04 18:45:42,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 18:45:42,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 18:45:42,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 18:45:42,088 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 18:45:42,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:45:36" (3/4) ... [2020-12-04 18:45:42,101 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-04 18:45:42,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2020-12-04 18:45:42,158 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2020-12-04 18:45:42,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-04 18:45:42,163 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-04 18:45:42,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-04 18:45:42,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-04 18:45:42,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-04 18:45:42,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 18:45:43,349 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-04 18:45:43,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 18:45:43,355 INFO L168 Benchmark]: Toolchain (without parser) took 24926.09 ms. Allocated memory was 46.1 MB in the beginning and 474.0 MB in the end (delta: 427.8 MB). Free memory was 24.4 MB in the beginning and 254.5 MB in the end (delta: -230.1 MB). Peak memory consumption was 341.3 MB. Max. memory is 16.1 GB. [2020-12-04 18:45:43,356 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 46.1 MB. Free memory was 31.6 MB in the beginning and 31.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:45:43,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6548.50 ms. Allocated memory was 46.1 MB in the beginning and 136.3 MB in the end (delta: 90.2 MB). Free memory was 24.2 MB in the beginning and 73.5 MB in the end (delta: -49.3 MB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. [2020-12-04 18:45:43,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 479.55 ms. Allocated memory is still 136.3 MB. Free memory was 73.5 MB in the beginning and 63.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:45:43,358 INFO L168 Benchmark]: Boogie Preprocessor took 131.91 ms. Allocated memory is still 136.3 MB. Free memory was 63.0 MB in the beginning and 55.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-04 18:45:43,359 INFO L168 Benchmark]: RCFGBuilder took 11105.53 ms. Allocated memory was 136.3 MB in the beginning and 394.3 MB in the end (delta: 257.9 MB). Free memory was 55.7 MB in the beginning and 229.1 MB in the end (delta: -173.5 MB). Peak memory consumption was 209.4 MB. Max. memory is 16.1 GB. [2020-12-04 18:45:43,360 INFO L168 Benchmark]: TraceAbstraction took 5385.33 ms. Allocated memory was 394.3 MB in the beginning and 474.0 MB in the end (delta: 79.7 MB). Free memory was 228.1 MB in the beginning and 233.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 74.4 MB. Max. memory is 16.1 GB. [2020-12-04 18:45:43,361 INFO L168 Benchmark]: Witness Printer took 1264.20 ms. Allocated memory is still 474.0 MB. Free memory was 233.4 MB in the beginning and 254.5 MB in the end (delta: -21.1 MB). Peak memory consumption was 120.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:45:43,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 46.1 MB. Free memory was 31.6 MB in the beginning and 31.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6548.50 ms. Allocated memory was 46.1 MB in the beginning and 136.3 MB in the end (delta: 90.2 MB). Free memory was 24.2 MB in the beginning and 73.5 MB in the end (delta: -49.3 MB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 479.55 ms. Allocated memory is still 136.3 MB. Free memory was 73.5 MB in the beginning and 63.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.91 ms. Allocated memory is still 136.3 MB. Free memory was 63.0 MB in the beginning and 55.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11105.53 ms. Allocated memory was 136.3 MB in the beginning and 394.3 MB in the end (delta: 257.9 MB). Free memory was 55.7 MB in the beginning and 229.1 MB in the end (delta: -173.5 MB). Peak memory consumption was 209.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5385.33 ms. Allocated memory was 394.3 MB in the beginning and 474.0 MB in the end (delta: 79.7 MB). Free memory was 228.1 MB in the beginning and 233.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 74.4 MB. Max. memory is 16.1 GB. * Witness Printer took 1264.20 ms. Allocated memory is still 474.0 MB. Free memory was 233.4 MB in the beginning and 254.5 MB in the end (delta: -21.1 MB). Peak memory consumption was 120.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7804]: Loop Invariant Derived loop invariant: (((!(array == 0) || !(array == 0)) || length % 4294967296 == 0) && cond == 1) && length == len - InvariantResult [Line: 7794]: Loop Invariant Derived loop invariant: ((!(array == 0) || !(array == 0)) || length <= 4294967296 * (length / 4294967296)) && length == len - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 60 SDtfs, 22 SDslu, 72 SDs, 0 SdLazy, 35 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 14 NumberOfFragments, 45 HoareAnnotationTreeSize, 6 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 4016 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2687 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...