./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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_string_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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 09:28:17,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 09:28:17,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 09:28:17,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 09:28:17,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 09:28:17,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 09:28:17,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 09:28:17,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 09:28:17,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 09:28:17,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 09:28:17,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 09:28:17,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 09:28:17,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 09:28:17,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 09:28:17,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 09:28:17,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 09:28:17,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 09:28:17,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 09:28:17,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 09:28:17,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 09:28:17,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 09:28:17,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 09:28:17,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 09:28:17,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 09:28:17,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 09:28:17,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 09:28:17,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 09:28:17,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 09:28:17,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 09:28:17,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 09:28:17,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 09:28:17,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 09:28:17,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 09:28:17,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 09:28:17,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 09:28:17,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 09:28:17,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 09:28:17,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 09:28:17,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 09:28:17,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 09:28:17,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 09:28:17,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 09:28:17,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 09:28:17,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 09:28:17,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 09:28:17,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 09:28:17,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 09:28:17,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 09:28:17,699 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 09:28:17,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 09:28:17,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 09:28:17,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 09:28:17,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 09:28:17,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 09:28:17,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 09:28:17,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 09:28:17,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 09:28:17,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 09:28:17,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 09:28:17,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 09:28:17,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 09:28:17,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 09:28:17,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 09:28:17,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 09:28:17,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 09:28:17,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 09:28:17,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 09:28:17,703 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 09:28:17,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 09:28:17,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 09:28:17,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 09:28:17,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-11-07 09:28:17,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 09:28:17,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 09:28:17,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 09:28:17,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 09:28:17,934 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 09:28:17,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-07 09:28:17,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9ee2422/ca281733d0c542f1ac899c189050edde/FLAG5ecdc7c36 [2021-11-07 09:28:18,638 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 09:28:18,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-07 09:28:18,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9ee2422/ca281733d0c542f1ac899c189050edde/FLAG5ecdc7c36 [2021-11-07 09:28:19,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9ee2422/ca281733d0c542f1ac899c189050edde [2021-11-07 09:28:19,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 09:28:19,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 09:28:19,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 09:28:19,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 09:28:19,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 09:28:19,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:28:19" (1/1) ... [2021-11-07 09:28:19,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781b8ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:19, skipping insertion in model container [2021-11-07 09:28:19,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:28:19" (1/1) ... [2021-11-07 09:28:19,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 09:28:19,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 09:28:19,314 WARN L228 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_string_harness.i[4489,4502] [2021-11-07 09:28:19,324 WARN L228 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_string_harness.i[4549,4562] [2021-11-07 09:28:19,340 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 09:28:19,346 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 09:28:19,975 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,976 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,976 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,978 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,978 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,985 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,986 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,987 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,987 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,988 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,989 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,989 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:19,990 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,243 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 09:28:20,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 09:28:20,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 09:28:20,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 09:28:20,246 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 09:28:20,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 09:28:20,262 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 09:28:20,263 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 09:28:20,264 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 09:28:20,265 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 09:28:20,391 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 09:28:20,598 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,600 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,619 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,620 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,624 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,624 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,640 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,644 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 09:28:20,714 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 09:28:20,735 WARN L228 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_string_harness.i[4489,4502] [2021-11-07 09:28:20,736 WARN L228 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_string_harness.i[4549,4562] [2021-11-07 09:28:20,737 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 09:28:20,737 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 09:28:20,780 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,785 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,786 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,786 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,787 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,790 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,791 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,811 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 09:28:20,813 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 09:28:20,814 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 09:28:20,814 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 09:28:20,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 09:28:20,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 09:28:20,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 09:28:20,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 09:28:20,816 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 09:28:20,816 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 09:28:20,830 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 09:28:20,904 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,904 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,912 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,913 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,914 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,914 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,920 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,921 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,921 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,922 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,922 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,922 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,922 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:28:20,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 09:28:21,119 INFO L208 MainTranslator]: Completed translation [2021-11-07 09:28:21,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21 WrapperNode [2021-11-07 09:28:21,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 09:28:21,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 09:28:21,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 09:28:21,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 09:28:21,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 09:28:21,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 09:28:21,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 09:28:21,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 09:28:21,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 09:28:21,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 09:28:21,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 09:28:21,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 09:28:21,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (1/1) ... [2021-11-07 09:28:21,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 09:28:21,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 09:28:21,434 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) [2021-11-07 09:28:21,458 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 [2021-11-07 09:28:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 09:28:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 09:28:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 09:28:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 09:28:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 09:28:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 09:28:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 09:28:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 09:28:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 09:28:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 09:28:28,480 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume !true; [2021-11-07 09:28:28,486 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 09:28:28,486 INFO L299 CfgBuilder]: Removed 45 assume(true) statements. [2021-11-07 09:28:28,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:28:28 BoogieIcfgContainer [2021-11-07 09:28:28,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 09:28:28,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 09:28:28,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 09:28:28,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 09:28:28,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:28:19" (1/3) ... [2021-11-07 09:28:28,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469bce33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:28:28, skipping insertion in model container [2021-11-07 09:28:28,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:28:21" (2/3) ... [2021-11-07 09:28:28,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469bce33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:28:28, skipping insertion in model container [2021-11-07 09:28:28,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:28:28" (3/3) ... [2021-11-07 09:28:28,496 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-11-07 09:28:28,500 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 09:28:28,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 09:28:28,545 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 09:28:28,550 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 [2021-11-07 09:28:28,551 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 09:28:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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) [2021-11-07 09:28:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 09:28:28,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 09:28:28,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 09:28:28,587 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 09:28:28,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 09:28:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2017125498, now seen corresponding path program 1 times [2021-11-07 09:28:28,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 09:28:28,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669348238] [2021-11-07 09:28:28,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 09:28:28,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 09:28:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 09:28:29,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 09:28:29,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 09:28:29,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669348238] [2021-11-07 09:28:29,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669348238] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 09:28:29,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 09:28:29,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 09:28:29,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054425684] [2021-11-07 09:28:29,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 09:28:29,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 09:28:29,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 09:28:29,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 09:28:29,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 09:28:29,141 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-07 09:28:29,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 09:28:29,161 INFO L93 Difference]: Finished difference Result 225 states and 346 transitions. [2021-11-07 09:28:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 09:28:29,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) Word has length 44 [2021-11-07 09:28:29,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 09:28:29,169 INFO L225 Difference]: With dead ends: 225 [2021-11-07 09:28:29,170 INFO L226 Difference]: Without dead ends: 108 [2021-11-07 09:28:29,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 09:28:29,175 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.25ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 09:28:29,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 1.25ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 09:28:29,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-11-07 09:28:29,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-11-07 09:28:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4953271028037383) internal successors, (160), 107 states have internal predecessors, (160), 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) [2021-11-07 09:28:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 160 transitions. [2021-11-07 09:28:29,211 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 160 transitions. Word has length 44 [2021-11-07 09:28:29,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 09:28:29,211 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 160 transitions. [2021-11-07 09:28:29,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-07 09:28:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2021-11-07 09:28:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 09:28:29,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 09:28:29,213 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 09:28:29,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 09:28:29,214 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 09:28:29,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 09:28:29,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1074584392, now seen corresponding path program 1 times [2021-11-07 09:28:29,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 09:28:29,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298018611] [2021-11-07 09:28:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 09:28:29,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 09:28:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 09:28:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 09:28:30,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 09:28:30,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298018611] [2021-11-07 09:28:30,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298018611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 09:28:30,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 09:28:30,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 09:28:30,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516261557] [2021-11-07 09:28:30,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 09:28:30,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 09:28:30,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 09:28:30,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 09:28:30,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 09:28:30,249 INFO L87 Difference]: Start difference. First operand 108 states and 160 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-11-07 09:28:30,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 09:28:30,379 INFO L93 Difference]: Finished difference Result 108 states and 160 transitions. [2021-11-07 09:28:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 09:28:30,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) Word has length 44 [2021-11-07 09:28:30,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 09:28:30,380 INFO L225 Difference]: With dead ends: 108 [2021-11-07 09:28:30,380 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 09:28:30,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 223.70ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-07 09:28:30,382 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.25ms IncrementalHoareTripleChecker+Time [2021-11-07 09:28:30,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 7 Unknown, 0 Unchecked, 0.39ms Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 25.25ms Time] [2021-11-07 09:28:30,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 09:28:30,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 09:28:30,383 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) [2021-11-07 09:28:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 09:28:30,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2021-11-07 09:28:30,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 09:28:30,383 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 09:28:30,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-11-07 09:28:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 09:28:30,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 09:28:30,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-07 09:28:30,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 09:28:30,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 09:28:30,447 INFO L858 garLoopResultBuilder]: For program point L8921(line 8921) no Hoare annotation was computed. [2021-11-07 09:28:30,448 INFO L858 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2021-11-07 09:28:30,448 INFO L858 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2021-11-07 09:28:30,448 INFO L858 garLoopResultBuilder]: For program point L8872(line 8872) no Hoare annotation was computed. [2021-11-07 09:28:30,448 INFO L858 garLoopResultBuilder]: For program point L8922(line 8922) no Hoare annotation was computed. [2021-11-07 09:28:30,448 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 09:28:30,448 INFO L858 garLoopResultBuilder]: For program point L8856-3(lines 8856 8864) no Hoare annotation was computed. [2021-11-07 09:28:30,448 INFO L854 garLoopResultBuilder]: At program point L8856-2(lines 8856 8864) the Hoare annotation is: false [2021-11-07 09:28:30,448 INFO L858 garLoopResultBuilder]: For program point L8873(line 8873) no Hoare annotation was computed. [2021-11-07 09:28:30,448 INFO L854 garLoopResultBuilder]: At program point L8956(lines 8956 8972) the Hoare annotation is: false [2021-11-07 09:28:30,449 INFO L854 garLoopResultBuilder]: At program point L8890-2(lines 8890 8898) the Hoare annotation is: false [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8890-3(lines 8890 8898) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8874(line 8874) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8924(line 8924) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8924-2(line 8924) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L854 garLoopResultBuilder]: At program point L6876(lines 6867 6877) the Hoare annotation is: false [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8908(line 8908) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8875(line 8875) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8908-2(line 8908) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L10246(lines 10246 10249) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8925(line 8925) no Hoare annotation was computed. [2021-11-07 09:28:30,449 INFO L858 garLoopResultBuilder]: For program point L8958-2(line 8958) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L8958(line 8958) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L8909(line 8909) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L8876(line 8876) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L8959-2(line 8959) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L8959(line 8959) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L8877(line 8877) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L854 garLoopResultBuilder]: At program point L9951-2(line 9951) the Hoare annotation is: false [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L9951-3(line 9951) no Hoare annotation was computed. [2021-11-07 09:28:30,450 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L8960(line 8960) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L8927(line 8927) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L8960-2(line 8960) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L8878(line 8878) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L8961(line 8961) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L8961-2(line 8961) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L854 garLoopResultBuilder]: At program point L6864(lines 6861 6865) the Hoare annotation is: false [2021-11-07 09:28:30,451 INFO L861 garLoopResultBuilder]: At program point L10250(line 10250) the Hoare annotation is: true [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L8879(line 8879) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L858 garLoopResultBuilder]: For program point L8962(line 8962) no Hoare annotation was computed. [2021-11-07 09:28:30,451 INFO L854 garLoopResultBuilder]: At program point L6947(lines 6943 6948) the Hoare annotation is: false [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L8929(line 8929) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L8962-2(line 8962) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L8913(line 8913) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L8880(line 8880) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L8913-2(line 8913) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L8963-2(line 8963) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L8914(line 8914) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-07 09:28:30,452 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L8881(line 8881) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L8964(line 8964) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L8964-2(line 8964) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L6305-2(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L6305-3(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L6305(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L854 garLoopResultBuilder]: At program point L6305-6(lines 6301 6306) the Hoare annotation is: false [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L6305-7(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L6305-5(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L6305-10(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,453 INFO L858 garLoopResultBuilder]: For program point L6305-9(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L8882(line 8882) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L6305-14(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L6305-12(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L854 garLoopResultBuilder]: At program point L6305-13(lines 6301 6306) the Hoare annotation is: false [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L6305-19(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L6305-16(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,454 INFO L858 garLoopResultBuilder]: For program point L6305-17(line 6305) no Hoare annotation was computed. [2021-11-07 09:28:30,455 INFO L858 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-07 09:28:30,456 INFO L854 garLoopResultBuilder]: At program point L6305-20(lines 6301 6306) the Hoare annotation is: false [2021-11-07 09:28:30,456 INFO L858 garLoopResultBuilder]: For program point L8965(line 8965) no Hoare annotation was computed. [2021-11-07 09:28:30,456 INFO L858 garLoopResultBuilder]: For program point L8965-2(line 8965) no Hoare annotation was computed. [2021-11-07 09:28:30,456 INFO L854 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-07 09:28:30,456 INFO L854 garLoopResultBuilder]: At program point L6951(lines 6950 6952) the Hoare annotation is: false [2021-11-07 09:28:30,456 INFO L858 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2021-11-07 09:28:30,456 INFO L858 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2021-11-07 09:28:30,457 INFO L858 garLoopResultBuilder]: For program point L8917(line 8917) no Hoare annotation was computed. [2021-11-07 09:28:30,457 INFO L858 garLoopResultBuilder]: For program point L8917-2(line 8917) no Hoare annotation was computed. [2021-11-07 09:28:30,457 INFO L858 garLoopResultBuilder]: For program point L8967-2(line 8967) no Hoare annotation was computed. [2021-11-07 09:28:30,457 INFO L854 garLoopResultBuilder]: At program point L8868(lines 8868 8883) the Hoare annotation is: false [2021-11-07 09:28:30,457 INFO L858 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2021-11-07 09:28:30,457 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 09:28:30,457 INFO L858 garLoopResultBuilder]: For program point L8852(line 8852) no Hoare annotation was computed. [2021-11-07 09:28:30,458 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 09:28:30,458 INFO L858 garLoopResultBuilder]: For program point L8852-2(lines 8852 8973) no Hoare annotation was computed. [2021-11-07 09:28:30,458 INFO L858 garLoopResultBuilder]: For program point L8918(line 8918) no Hoare annotation was computed. [2021-11-07 09:28:30,458 INFO L858 garLoopResultBuilder]: For program point L8968(line 8968) no Hoare annotation was computed. [2021-11-07 09:28:30,458 INFO L854 garLoopResultBuilder]: At program point L8902(lines 8902 8930) the Hoare annotation is: false [2021-11-07 09:28:30,458 INFO L858 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2021-11-07 09:28:30,458 INFO L858 garLoopResultBuilder]: For program point L6871(lines 6871 6872) no Hoare annotation was computed. [2021-11-07 09:28:30,459 INFO L858 garLoopResultBuilder]: For program point L8886-2(lines 8886 8973) no Hoare annotation was computed. [2021-11-07 09:28:30,459 INFO L858 garLoopResultBuilder]: For program point L8886-4(lines 8852 8973) no Hoare annotation was computed. [2021-11-07 09:28:30,459 INFO L858 garLoopResultBuilder]: For program point L6871-2(lines 6871 6872) no Hoare annotation was computed. [2021-11-07 09:28:30,459 INFO L858 garLoopResultBuilder]: For program point L8886(line 8886) no Hoare annotation was computed. [2021-11-07 09:28:30,459 INFO L858 garLoopResultBuilder]: For program point L8936-3(lines 8936 8953) no Hoare annotation was computed. [2021-11-07 09:28:30,459 INFO L858 garLoopResultBuilder]: For program point L8969(line 8969) no Hoare annotation was computed. [2021-11-07 09:28:30,459 INFO L858 garLoopResultBuilder]: For program point L8870(line 8870) no Hoare annotation was computed. [2021-11-07 09:28:30,460 INFO L854 garLoopResultBuilder]: At program point L8936-2(lines 8936 8953) the Hoare annotation is: false [2021-11-07 09:28:30,460 INFO L854 garLoopResultBuilder]: At program point L6294(lines 6291 6295) the Hoare annotation is: false [2021-11-07 09:28:30,460 INFO L861 garLoopResultBuilder]: At program point L9944(lines 9944 9952) the Hoare annotation is: true [2021-11-07 09:28:30,460 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 32 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-07 09:28:30,460 INFO L858 garLoopResultBuilder]: For program point L8904(line 8904) no Hoare annotation was computed. [2021-11-07 09:28:30,460 INFO L858 garLoopResultBuilder]: For program point L8871(line 8871) no Hoare annotation was computed. [2021-11-07 09:28:30,460 INFO L854 garLoopResultBuilder]: At program point L8838(lines 8838 8977) the Hoare annotation is: false [2021-11-07 09:28:30,463 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 09:28:30,464 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 09:28:30,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:28:30 BoogieIcfgContainer [2021-11-07 09:28:30,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 09:28:30,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 09:28:30,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 09:28:30,473 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 09:28:30,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:28:28" (3/4) ... [2021-11-07 09:28:30,476 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 09:28:30,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2021-11-07 09:28:30,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-11-07 09:28:30,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-07 09:28:30,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-07 09:28:30,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-07 09:28:30,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-07 09:28:30,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 09:28:30,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 09:28:31,150 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-07 09:28:31,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 09:28:31,150 INFO L158 Benchmark]: Toolchain (without parser) took 12136.27ms. Allocated memory was 94.4MB in the beginning and 822.1MB in the end (delta: 727.7MB). Free memory was 53.0MB in the beginning and 670.6MB in the end (delta: -617.6MB). Peak memory consumption was 545.9MB. Max. memory is 16.1GB. [2021-11-07 09:28:31,151 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-07 09:28:31,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2103.32ms. Allocated memory was 94.4MB in the beginning and 161.5MB in the end (delta: 67.1MB). Free memory was 52.8MB in the beginning and 80.2MB in the end (delta: -27.4MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-11-07 09:28:31,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.12ms. Allocated memory is still 161.5MB. Free memory was 79.3MB in the beginning and 67.6MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-07 09:28:31,152 INFO L158 Benchmark]: Boogie Preprocessor took 122.40ms. Allocated memory is still 161.5MB. Free memory was 67.6MB in the beginning and 99.5MB in the end (delta: -31.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-07 09:28:31,152 INFO L158 Benchmark]: RCFGBuilder took 7078.27ms. Allocated memory was 161.5MB in the beginning and 488.6MB in the end (delta: 327.2MB). Free memory was 99.5MB in the beginning and 188.9MB in the end (delta: -89.4MB). Peak memory consumption was 296.4MB. Max. memory is 16.1GB. [2021-11-07 09:28:31,152 INFO L158 Benchmark]: TraceAbstraction took 1981.12ms. Allocated memory was 488.6MB in the beginning and 822.1MB in the end (delta: 333.4MB). Free memory was 187.8MB in the beginning and 457.1MB in the end (delta: -269.3MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2021-11-07 09:28:31,152 INFO L158 Benchmark]: Witness Printer took 676.72ms. Allocated memory is still 822.1MB. Free memory was 457.1MB in the beginning and 670.6MB in the end (delta: -213.5MB). Peak memory consumption was 222.1MB. Max. memory is 16.1GB. [2021-11-07 09:28:31,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2103.32ms. Allocated memory was 94.4MB in the beginning and 161.5MB in the end (delta: 67.1MB). Free memory was 52.8MB in the beginning and 80.2MB in the end (delta: -27.4MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.12ms. Allocated memory is still 161.5MB. Free memory was 79.3MB in the beginning and 67.6MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.40ms. Allocated memory is still 161.5MB. Free memory was 67.6MB in the beginning and 99.5MB in the end (delta: -31.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7078.27ms. Allocated memory was 161.5MB in the beginning and 488.6MB in the end (delta: 327.2MB). Free memory was 99.5MB in the beginning and 188.9MB in the end (delta: -89.4MB). Peak memory consumption was 296.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1981.12ms. Allocated memory was 488.6MB in the beginning and 822.1MB in the end (delta: 333.4MB). Free memory was 187.8MB in the beginning and 457.1MB in the end (delta: -269.3MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 676.72ms. Allocated memory is still 822.1MB. Free memory was 457.1MB in the beginning and 670.6MB in the end (delta: -213.5MB). Peak memory consumption was 222.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1920.22ms, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 24.73ms, AutomataDifference: 192.65ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 61.16ms, InitialAbstractionConstructionTime: 11.50ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 25.25ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 23.53ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 168 mSDtfsCounter, 7 mSolverCounterSat, 1.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 223.74ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 20.97ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 22 NumberOfFragments, 22 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 2.36ms HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 53.27ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 35.82ms SsaConstructionTime, 854.47ms SatisfiabilityAnalysisTime, 566.85ms InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 6943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 32 == max_size - InvariantResult [Line: 6861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 09:28:31,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE