./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 00:39:46,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 00:39:46,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 00:39:46,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 00:39:46,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 00:39:46,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 00:39:46,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 00:39:46,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 00:39:46,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 00:39:46,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 00:39:46,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 00:39:46,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 00:39:46,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 00:39:46,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 00:39:46,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 00:39:46,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 00:39:46,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 00:39:46,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 00:39:46,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 00:39:46,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 00:39:46,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 00:39:46,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 00:39:46,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 00:39:46,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 00:39:46,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 00:39:46,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 00:39:46,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 00:39:46,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 00:39:46,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 00:39:46,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 00:39:46,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 00:39:46,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 00:39:46,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 00:39:46,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 00:39:46,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 00:39:46,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 00:39:46,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 00:39:46,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 00:39:46,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 00:39:46,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 00:39:46,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 00:39:46,747 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 00:39:46,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 00:39:46,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 00:39:46,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 00:39:46,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 00:39:46,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 00:39:46,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 00:39:46,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 00:39:46,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 00:39:46,773 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 00:39:46,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 00:39:46,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 00:39:46,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 00:39:46,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 00:39:46,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 00:39:46,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 00:39:46,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 00:39:46,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 00:39:46,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 00:39:46,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 00:39:46,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 00:39:46,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 00:39:46,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 00:39:46,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 00:39:46,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 00:39:46,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 00:39:46,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 00:39:46,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 00:39:46,777 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 00:39:46,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 00:39:46,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 00:39:46,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 00:39:46,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-12-18 00:39:46,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 00:39:46,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 00:39:46,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 00:39:46,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 00:39:46,969 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 00:39:46,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-18 00:39:47,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dde5a11b/0f447faa1df74036b5c30a70ab238a66/FLAG3903e42a0 [2021-12-18 00:39:47,638 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 00:39:47,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-18 00:39:47,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dde5a11b/0f447faa1df74036b5c30a70ab238a66/FLAG3903e42a0 [2021-12-18 00:39:47,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dde5a11b/0f447faa1df74036b5c30a70ab238a66 [2021-12-18 00:39:47,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 00:39:48,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 00:39:48,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 00:39:48,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 00:39:48,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 00:39:48,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:39:47" (1/1) ... [2021-12-18 00:39:48,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfd7fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:48, skipping insertion in model container [2021-12-18 00:39:48,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:39:47" (1/1) ... [2021-12-18 00:39:48,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 00:39:48,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 00:39:48,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-18 00:39:48,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-18 00:39:48,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,876 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,876 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,877 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,878 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,892 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,894 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,898 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:48,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,172 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 00:39:49,173 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 00:39:49,173 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 00:39:49,174 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 00:39:49,177 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 00:39:49,177 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 00:39:49,177 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 00:39:49,178 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 00:39:49,178 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 00:39:49,179 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 00:39:49,307 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 00:39:49,516 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,516 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,530 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,531 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 00:39:49,581 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 00:39:49,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-18 00:39:49,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-18 00:39:49,624 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,625 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,625 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,625 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,626 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,661 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 00:39:49,661 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 00:39:49,662 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 00:39:49,662 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 00:39:49,663 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 00:39:49,663 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 00:39:49,663 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 00:39:49,664 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 00:39:49,664 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 00:39:49,664 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 00:39:49,680 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 00:39:49,799 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,799 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,814 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,815 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,820 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:39:49,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 00:39:50,003 INFO L208 MainTranslator]: Completed translation [2021-12-18 00:39:50,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50 WrapperNode [2021-12-18 00:39:50,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 00:39:50,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 00:39:50,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 00:39:50,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 00:39:50,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,170 INFO L137 Inliner]: procedures = 774, calls = 2483, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 527 [2021-12-18 00:39:50,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 00:39:50,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 00:39:50,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 00:39:50,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 00:39:50,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 00:39:50,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 00:39:50,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 00:39:50,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 00:39:50,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (1/1) ... [2021-12-18 00:39:50,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 00:39:50,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 00:39:50,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 00:39:50,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 00:39:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-18 00:39:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-18 00:39:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-18 00:39:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-18 00:39:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-18 00:39:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-18 00:39:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 00:39:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-18 00:39:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-18 00:39:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 00:39:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 00:39:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 00:39:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 00:39:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 00:39:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-18 00:39:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-18 00:39:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-18 00:39:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-18 00:39:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 00:39:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-12-18 00:39:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-12-18 00:39:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-18 00:39:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-18 00:39:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 00:39:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 00:39:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 00:39:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 00:39:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 00:39:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-18 00:39:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-18 00:39:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 00:39:50,580 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 00:39:50,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 00:39:51,081 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-18 00:39:51,088 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 00:39:51,094 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 00:39:51,095 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-18 00:39:51,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:39:51 BoogieIcfgContainer [2021-12-18 00:39:51,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 00:39:51,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 00:39:51,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 00:39:51,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 00:39:51,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:39:47" (1/3) ... [2021-12-18 00:39:51,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9d0fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:39:51, skipping insertion in model container [2021-12-18 00:39:51,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:50" (2/3) ... [2021-12-18 00:39:51,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9d0fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:39:51, skipping insertion in model container [2021-12-18 00:39:51,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:39:51" (3/3) ... [2021-12-18 00:39:51,105 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-12-18 00:39:51,109 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 00:39:51,109 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 00:39:51,139 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 00:39:51,151 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 00:39:51,151 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 00:39:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-18 00:39:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-18 00:39:51,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 00:39:51,180 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 00:39:51,181 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 00:39:51,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 00:39:51,184 INFO L85 PathProgramCache]: Analyzing trace with hash 412073855, now seen corresponding path program 1 times [2021-12-18 00:39:51,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 00:39:51,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742600895] [2021-12-18 00:39:51,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 00:39:51,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 00:39:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 00:39:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 00:39:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 00:39:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 00:39:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 00:39:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 00:39:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 00:39:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 00:39:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 00:39:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 00:39:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 00:39:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 00:39:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 00:39:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-18 00:39:51,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 00:39:51,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742600895] [2021-12-18 00:39:51,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742600895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 00:39:51,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 00:39:51,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 00:39:51,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528859898] [2021-12-18 00:39:51,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 00:39:51,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 00:39:51,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 00:39:51,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 00:39:51,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-18 00:39:51,835 INFO L87 Difference]: Start difference. First operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 00:39:52,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 00:39:52,013 INFO L93 Difference]: Finished difference Result 277 states and 402 transitions. [2021-12-18 00:39:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 00:39:52,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2021-12-18 00:39:52,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 00:39:52,021 INFO L225 Difference]: With dead ends: 277 [2021-12-18 00:39:52,022 INFO L226 Difference]: Without dead ends: 135 [2021-12-18 00:39:52,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-18 00:39:52,026 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 29 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 00:39:52,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 409 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 00:39:52,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-12-18 00:39:52,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-12-18 00:39:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 15 states have call successors, (15), 10 states have call predecessors, (15), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-18 00:39:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 188 transitions. [2021-12-18 00:39:52,081 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 188 transitions. Word has length 93 [2021-12-18 00:39:52,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 00:39:52,082 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 188 transitions. [2021-12-18 00:39:52,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 00:39:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2021-12-18 00:39:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-18 00:39:52,085 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 00:39:52,085 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 00:39:52,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 00:39:52,085 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 00:39:52,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 00:39:52,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1080401153, now seen corresponding path program 1 times [2021-12-18 00:39:52,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 00:39:52,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947477593] [2021-12-18 00:39:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 00:39:52,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 00:39:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 00:39:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 00:39:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 00:39:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 00:39:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 00:39:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 00:39:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 00:39:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 00:39:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 00:39:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 00:39:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 00:39:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 00:39:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 00:39:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-18 00:39:52,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 00:39:52,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947477593] [2021-12-18 00:39:52,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947477593] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 00:39:52,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190124976] [2021-12-18 00:39:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 00:39:52,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 00:39:52,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 00:39:52,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 00:39:52,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 00:39:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:39:53,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2157 conjuncts, 131 conjunts are in the unsatisfiable core [2021-12-18 00:39:53,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 00:39:53,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2021-12-18 00:39:53,483 INFO L354 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2021-12-18 00:39:53,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 29 [2021-12-18 00:39:53,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 00:39:53,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 00:39:53,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2021-12-18 00:39:58,469 INFO L354 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2021-12-18 00:39:58,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 110 treesize of output 68 [2021-12-18 00:39:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 00:39:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 00:39:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 00:39:59,404 INFO L354 Elim1Store]: treesize reduction 72, result has 40.5 percent of original size [2021-12-18 00:39:59,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 166 treesize of output 182 [2021-12-18 00:39:59,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2021-12-18 00:39:59,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-18 00:39:59,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-12-18 00:39:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 00:39:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 00:39:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 00:39:59,798 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-18 00:39:59,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 80 [2021-12-18 00:39:59,804 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-12-18 00:39:59,805 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-18 00:39:59,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-12-18 00:39:59,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118347003] [2021-12-18 00:39:59,805 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-18 00:39:59,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 00:39:59,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 00:39:59,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 00:39:59,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1522, Unknown=1, NotChecked=0, Total=1640 [2021-12-18 00:39:59,808 INFO L87 Difference]: Start difference. First operand 135 states and 188 transitions. Second operand has 13 states, 11 states have (on average 4.363636363636363) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2021-12-18 00:39:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-18 00:39:59,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=117, Invalid=1522, Unknown=1, NotChecked=0, Total=1640 [2021-12-18 00:39:59,811 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 00:39:59,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 00:39:59,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 00:40:00,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 00:40:00,033 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@19f52981 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:455) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-18 00:40:00,037 INFO L158 Benchmark]: Toolchain (without parser) took 12033.74ms. Allocated memory was 113.2MB in the beginning and 371.2MB in the end (delta: 257.9MB). Free memory was 73.7MB in the beginning and 106.7MB in the end (delta: -33.0MB). Peak memory consumption was 225.9MB. Max. memory is 16.1GB. [2021-12-18 00:40:00,038 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 53.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 00:40:00,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1993.18ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 73.5MB in the beginning and 49.4MB in the end (delta: 24.0MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2021-12-18 00:40:00,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.55ms. Allocated memory is still 148.9MB. Free memory was 49.4MB in the beginning and 85.9MB in the end (delta: -36.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-12-18 00:40:00,038 INFO L158 Benchmark]: Boogie Preprocessor took 89.98ms. Allocated memory is still 148.9MB. Free memory was 85.9MB in the beginning and 78.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-18 00:40:00,039 INFO L158 Benchmark]: RCFGBuilder took 832.28ms. Allocated memory was 148.9MB in the beginning and 251.7MB in the end (delta: 102.8MB). Free memory was 78.7MB in the beginning and 127.8MB in the end (delta: -49.1MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2021-12-18 00:40:00,039 INFO L158 Benchmark]: TraceAbstraction took 8939.49ms. Allocated memory was 251.7MB in the beginning and 371.2MB in the end (delta: 119.5MB). Free memory was 126.8MB in the beginning and 106.7MB in the end (delta: 20.1MB). Peak memory consumption was 140.1MB. Max. memory is 16.1GB. [2021-12-18 00:40:00,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 53.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1993.18ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 73.5MB in the beginning and 49.4MB in the end (delta: 24.0MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.55ms. Allocated memory is still 148.9MB. Free memory was 49.4MB in the beginning and 85.9MB in the end (delta: -36.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.98ms. Allocated memory is still 148.9MB. Free memory was 85.9MB in the beginning and 78.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 832.28ms. Allocated memory was 148.9MB in the beginning and 251.7MB in the end (delta: 102.8MB). Free memory was 78.7MB in the beginning and 127.8MB in the end (delta: -49.1MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8939.49ms. Allocated memory was 251.7MB in the beginning and 371.2MB in the end (delta: 119.5MB). Free memory was 126.8MB in the beginning and 106.7MB in the end (delta: 20.1MB). Peak memory consumption was 140.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@19f52981 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@19f52981: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-18 00:40:00,058 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_Bitvector.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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 00:40:01,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 00:40:01,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 00:40:01,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 00:40:01,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 00:40:01,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 00:40:01,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 00:40:01,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 00:40:01,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 00:40:01,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 00:40:01,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 00:40:01,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 00:40:01,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 00:40:01,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 00:40:01,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 00:40:01,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 00:40:01,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 00:40:01,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 00:40:01,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 00:40:01,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 00:40:01,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 00:40:01,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 00:40:01,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 00:40:01,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 00:40:01,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 00:40:01,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 00:40:01,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 00:40:01,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 00:40:01,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 00:40:01,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 00:40:01,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 00:40:01,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 00:40:01,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 00:40:01,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 00:40:01,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 00:40:01,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 00:40:01,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 00:40:01,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 00:40:01,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 00:40:01,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 00:40:01,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 00:40:01,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 00:40:01,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 00:40:01,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 00:40:01,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 00:40:01,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 00:40:01,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 00:40:01,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 00:40:01,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 00:40:01,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 00:40:01,972 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 00:40:01,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 00:40:01,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 00:40:01,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 00:40:01,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 00:40:01,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 00:40:01,973 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 00:40:01,973 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 00:40:01,973 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 00:40:01,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 00:40:01,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 00:40:01,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 00:40:01,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 00:40:01,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 00:40:01,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 00:40:01,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 00:40:01,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 00:40:01,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 00:40:01,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 00:40:01,975 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 00:40:01,975 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 00:40:01,976 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 00:40:01,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 00:40:01,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 00:40:01,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 00:40:01,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 00:40:01,976 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-12-18 00:40:02,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 00:40:02,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 00:40:02,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 00:40:02,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 00:40:02,247 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 00:40:02,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-18 00:40:02,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2032990d/8c24380fa7de48ff872afc1fbb2b8cd4/FLAGa62986bfa [2021-12-18 00:40:02,939 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 00:40:02,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-12-18 00:40:02,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2032990d/8c24380fa7de48ff872afc1fbb2b8cd4/FLAGa62986bfa [2021-12-18 00:40:03,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2032990d/8c24380fa7de48ff872afc1fbb2b8cd4 [2021-12-18 00:40:03,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 00:40:03,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 00:40:03,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 00:40:03,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 00:40:03,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 00:40:03,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:40:03" (1/1) ... [2021-12-18 00:40:03,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e14adc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:03, skipping insertion in model container [2021-12-18 00:40:03,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:40:03" (1/1) ... [2021-12-18 00:40:03,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 00:40:03,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 00:40:03,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-18 00:40:03,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-18 00:40:04,206 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,207 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,226 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,235 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,236 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,237 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,239 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,472 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 00:40:04,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 00:40:04,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 00:40:04,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 00:40:04,478 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 00:40:04,478 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 00:40:04,479 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 00:40:04,479 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 00:40:04,480 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 00:40:04,480 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 00:40:04,573 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 00:40:04,828 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,847 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,864 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,864 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,865 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,865 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,866 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,866 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 00:40:04,940 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 00:40:04,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 00:40:04,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-18 00:40:04,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-18 00:40:04,991 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,992 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,992 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,992 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,993 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,996 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,997 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:04,998 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,027 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 00:40:05,028 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 00:40:05,028 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 00:40:05,029 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 00:40:05,029 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 00:40:05,029 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 00:40:05,030 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 00:40:05,030 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 00:40:05,031 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 00:40:05,031 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 00:40:05,047 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 00:40:05,126 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,126 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,133 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,134 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,135 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,135 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,139 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,140 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,140 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,140 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,140 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,141 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,141 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 00:40:05,210 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 00:40:05,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-12-18 00:40:05,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-12-18 00:40:05,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,243 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,243 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,243 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,244 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,246 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,265 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 00:40:05,266 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 00:40:05,267 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 00:40:05,267 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 00:40:05,267 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 00:40:05,268 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 00:40:05,268 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 00:40:05,268 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 00:40:05,268 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 00:40:05,269 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 00:40:05,317 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 00:40:05,414 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,415 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,420 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,421 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,431 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,432 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,432 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,432 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,433 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,433 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,433 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 00:40:05,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 00:40:05,633 INFO L208 MainTranslator]: Completed translation [2021-12-18 00:40:05,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05 WrapperNode [2021-12-18 00:40:05,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 00:40:05,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 00:40:05,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 00:40:05,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 00:40:05,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,795 INFO L137 Inliner]: procedures = 794, calls = 2483, calls flagged for inlining = 69, calls inlined = 5, statements flattened = 528 [2021-12-18 00:40:05,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 00:40:05,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 00:40:05,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 00:40:05,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 00:40:05,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 00:40:05,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 00:40:05,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 00:40:05,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 00:40:05,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (1/1) ... [2021-12-18 00:40:05,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 00:40:05,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 00:40:05,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 00:40:05,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 00:40:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-18 00:40:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-18 00:40:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-12-18 00:40:05,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-12-18 00:40:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-18 00:40:05,946 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-18 00:40:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-18 00:40:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-18 00:40:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 00:40:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 00:40:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 00:40:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 00:40:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 00:40:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-18 00:40:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-18 00:40:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-18 00:40:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-18 00:40:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 00:40:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-12-18 00:40:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-18 00:40:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-18 00:40:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 00:40:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 00:40:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-18 00:40:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-18 00:40:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-18 00:40:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 00:40:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-18 00:40:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-18 00:40:06,184 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 00:40:06,185 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 00:40:09,859 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-12-18 00:40:09,866 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 00:40:09,871 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 00:40:09,872 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-18 00:40:09,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:40:09 BoogieIcfgContainer [2021-12-18 00:40:09,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 00:40:09,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 00:40:09,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 00:40:09,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 00:40:09,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:40:03" (1/3) ... [2021-12-18 00:40:09,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497a46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:40:09, skipping insertion in model container [2021-12-18 00:40:09,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:40:05" (2/3) ... [2021-12-18 00:40:09,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497a46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:40:09, skipping insertion in model container [2021-12-18 00:40:09,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:40:09" (3/3) ... [2021-12-18 00:40:09,884 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-12-18 00:40:09,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 00:40:09,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 00:40:09,926 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 00:40:09,930 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 00:40:09,930 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 00:40:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-18 00:40:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-18 00:40:09,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 00:40:09,958 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 00:40:09,959 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 00:40:09,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 00:40:09,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1935953289, now seen corresponding path program 1 times [2021-12-18 00:40:09,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 00:40:09,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592241719] [2021-12-18 00:40:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 00:40:09,976 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 00:40:09,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 00:40:09,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 00:40:10,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 00:40:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:40:10,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-18 00:40:10,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 00:40:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-18 00:40:10,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 00:40:10,702 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 00:40:10,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592241719] [2021-12-18 00:40:10,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592241719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 00:40:10,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 00:40:10,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 00:40:10,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877036807] [2021-12-18 00:40:10,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 00:40:10,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-18 00:40:10,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 00:40:10,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-18 00:40:10,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 00:40:10,723 INFO L87 Difference]: Start difference. First operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 00:40:10,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 00:40:10,744 INFO L93 Difference]: Finished difference Result 277 states and 402 transitions. [2021-12-18 00:40:10,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-18 00:40:10,745 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2021-12-18 00:40:10,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 00:40:10,751 INFO L225 Difference]: With dead ends: 277 [2021-12-18 00:40:10,751 INFO L226 Difference]: Without dead ends: 135 [2021-12-18 00:40:10,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 00:40:10,755 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 00:40:10,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 00:40:10,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-12-18 00:40:10,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-12-18 00:40:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 15 states have call successors, (15), 10 states have call predecessors, (15), 9 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-18 00:40:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 188 transitions. [2021-12-18 00:40:10,783 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 188 transitions. Word has length 93 [2021-12-18 00:40:10,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 00:40:10,784 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 188 transitions. [2021-12-18 00:40:10,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 00:40:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2021-12-18 00:40:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-18 00:40:10,786 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 00:40:10,786 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 00:40:10,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 00:40:11,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 00:40:11,010 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 00:40:11,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 00:40:11,011 INFO L85 PathProgramCache]: Analyzing trace with hash 443478281, now seen corresponding path program 1 times [2021-12-18 00:40:11,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 00:40:11,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481559875] [2021-12-18 00:40:11,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 00:40:11,012 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 00:40:11,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 00:40:11,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 00:40:11,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 00:40:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 00:40:11,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-18 00:40:11,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 00:40:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-18 00:40:11,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 00:40:11,971 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 00:40:11,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481559875] [2021-12-18 00:40:11,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481559875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 00:40:11,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 00:40:11,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 00:40:11,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274677327] [2021-12-18 00:40:11,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 00:40:11,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 00:40:11,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 00:40:11,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 00:40:11,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-18 00:40:11,973 INFO L87 Difference]: Start difference. First operand 135 states and 188 transitions. Second operand has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2021-12-18 00:40:12,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 00:40:12,241 INFO L93 Difference]: Finished difference Result 139 states and 191 transitions. [2021-12-18 00:40:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 00:40:12,241 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 93 [2021-12-18 00:40:12,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 00:40:12,242 INFO L225 Difference]: With dead ends: 139 [2021-12-18 00:40:12,242 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 00:40:12,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-12-18 00:40:12,243 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 00:40:12,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 232 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 15 Unchecked, 0.1s Time] [2021-12-18 00:40:12,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 00:40:12,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 00:40:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 00:40:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 00:40:12,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2021-12-18 00:40:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 00:40:12,245 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 00:40:12,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2021-12-18 00:40:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 00:40:12,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 00:40:12,249 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 00:40:12,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-18 00:40:12,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 00:40:12,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-18 00:40:12,573 INFO L858 garLoopResultBuilder]: For program point L6944-1(lines 6944 6946) no Hoare annotation was computed. [2021-12-18 00:40:12,573 INFO L854 garLoopResultBuilder]: At program point L6944(lines 6944 6946) the Hoare annotation is: (= bounded_malloc_~size |bounded_malloc_#in~size|) [2021-12-18 00:40:12,573 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6943 6948) the Hoare annotation is: true [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6943 6948) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6943 6948) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point L6305-2(line 6305) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point L6305-3(line 6305) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point L6305(line 6305) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6301 6306) the Hoare annotation is: true [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point L6305-5(line 6305) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6301 6306) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6301 6306) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6861 6865) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L854 garLoopResultBuilder]: At program point L6876(lines 6867 6877) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ bv9223372036853541257 64)) (_ bv36028797018963967 64)))) [2021-12-18 00:40:12,574 INFO L858 garLoopResultBuilder]: For program point L6871-1(lines 6871 6872) no Hoare annotation was computed. [2021-12-18 00:40:12,574 INFO L854 garLoopResultBuilder]: At program point L6871(line 6871) the Hoare annotation is: (and (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ bv9223372036853541257 64)) (_ bv36028797018963967 64))))) [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point L6871-5(lines 6871 6872) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point L6868-1(line 6868) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L861 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6861 6865) the Hoare annotation is: true [2021-12-18 00:40:12,575 INFO L854 garLoopResultBuilder]: At program point L6868(line 6868) the Hoare annotation is: (and (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point L6871-3(line 6871) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L854 garLoopResultBuilder]: At program point L6871-2(line 6871) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ bv9223372036853541257 64)) (_ bv36028797018963967 64)))) [2021-12-18 00:40:12,575 INFO L854 garLoopResultBuilder]: At program point L6862(line 6862) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point L6863-1(line 6863) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L854 garLoopResultBuilder]: At program point L6863(line 6863) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point L6862-1(line 6862) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6861 6865) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L861 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6291 6295) the Hoare annotation is: true [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6291 6295) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6291 6295) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point L6293-2(line 6293) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L861 garLoopResultBuilder]: At program point L6293(line 6293) the Hoare annotation is: true [2021-12-18 00:40:12,575 INFO L861 garLoopResultBuilder]: At program point L6293-1(line 6293) the Hoare annotation is: true [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-18 00:40:12,575 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-18 00:40:12,575 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6950 6952) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6950 6952) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6950 6952) the Hoare annotation is: true [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8921(line 8921) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8872(line 8872) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8922(line 8922) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point hashlittle2FINAL(lines 8838 8977) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8856-3(lines 8856 8864) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L861 garLoopResultBuilder]: At program point L8856-2(lines 8856 8864) the Hoare annotation is: true [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8873(line 8873) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L861 garLoopResultBuilder]: At program point L8956(lines 8956 8972) the Hoare annotation is: true [2021-12-18 00:40:12,576 INFO L861 garLoopResultBuilder]: At program point L8890-2(lines 8890 8898) the Hoare annotation is: true [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8890-3(lines 8890 8898) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8874(line 8874) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8924(line 8924) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8924-2(line 8924) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8908(line 8908) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8875(line 8875) no Hoare annotation was computed. [2021-12-18 00:40:12,576 INFO L858 garLoopResultBuilder]: For program point L8908-2(line 8908) no Hoare annotation was computed. [2021-12-18 00:40:12,577 INFO L858 garLoopResultBuilder]: For program point L8925(line 8925) no Hoare annotation was computed. [2021-12-18 00:40:12,577 INFO L858 garLoopResultBuilder]: For program point L8958-2(line 8958) no Hoare annotation was computed. [2021-12-18 00:40:12,577 INFO L858 garLoopResultBuilder]: For program point L8958(line 8958) no Hoare annotation was computed. [2021-12-18 00:40:12,577 INFO L858 garLoopResultBuilder]: For program point L8909(line 8909) no Hoare annotation was computed. [2021-12-18 00:40:12,577 INFO L858 garLoopResultBuilder]: For program point L8876(line 8876) no Hoare annotation was computed. [2021-12-18 00:40:12,577 INFO L858 garLoopResultBuilder]: For program point L8959-2(line 8959) no Hoare annotation was computed. [2021-12-18 00:40:12,577 INFO L858 garLoopResultBuilder]: For program point L8959(line 8959) no Hoare annotation was computed. [2021-12-18 00:40:12,577 INFO L858 garLoopResultBuilder]: For program point L8877(line 8877) no Hoare annotation was computed. [2021-12-18 00:40:12,578 INFO L858 garLoopResultBuilder]: For program point hashlittle2EXIT(lines 8838 8977) no Hoare annotation was computed. [2021-12-18 00:40:12,578 INFO L858 garLoopResultBuilder]: For program point L8960(line 8960) no Hoare annotation was computed. [2021-12-18 00:40:12,578 INFO L858 garLoopResultBuilder]: For program point L8927(line 8927) no Hoare annotation was computed. [2021-12-18 00:40:12,578 INFO L858 garLoopResultBuilder]: For program point L8960-2(line 8960) no Hoare annotation was computed. [2021-12-18 00:40:12,578 INFO L858 garLoopResultBuilder]: For program point L8878(line 8878) no Hoare annotation was computed. [2021-12-18 00:40:12,578 INFO L858 garLoopResultBuilder]: For program point L8961(line 8961) no Hoare annotation was computed. [2021-12-18 00:40:12,578 INFO L858 garLoopResultBuilder]: For program point L8961-2(line 8961) no Hoare annotation was computed. [2021-12-18 00:40:12,578 INFO L858 garLoopResultBuilder]: For program point L8879(line 8879) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8962(line 8962) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8929(line 8929) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8962-2(line 8962) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8913(line 8913) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8880(line 8880) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8913-2(line 8913) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8963-2(line 8963) no Hoare annotation was computed. [2021-12-18 00:40:12,579 INFO L861 garLoopResultBuilder]: At program point hashlittle2ENTRY(lines 8838 8977) the Hoare annotation is: true [2021-12-18 00:40:12,579 INFO L858 garLoopResultBuilder]: For program point L8914(line 8914) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8881(line 8881) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8964(line 8964) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8964-2(line 8964) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8882(line 8882) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8965(line 8965) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8965-2(line 8965) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8917(line 8917) no Hoare annotation was computed. [2021-12-18 00:40:12,580 INFO L858 garLoopResultBuilder]: For program point L8917-2(line 8917) no Hoare annotation was computed. [2021-12-18 00:40:12,581 INFO L858 garLoopResultBuilder]: For program point L8967-2(line 8967) no Hoare annotation was computed. [2021-12-18 00:40:12,581 INFO L861 garLoopResultBuilder]: At program point L8868(lines 8868 8883) the Hoare annotation is: true [2021-12-18 00:40:12,581 INFO L858 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2021-12-18 00:40:12,581 INFO L858 garLoopResultBuilder]: For program point L8852(line 8852) no Hoare annotation was computed. [2021-12-18 00:40:12,581 INFO L858 garLoopResultBuilder]: For program point L8852-2(lines 8852 8973) no Hoare annotation was computed. [2021-12-18 00:40:12,581 INFO L858 garLoopResultBuilder]: For program point L8918(line 8918) no Hoare annotation was computed. [2021-12-18 00:40:12,581 INFO L858 garLoopResultBuilder]: For program point L8968(line 8968) no Hoare annotation was computed. [2021-12-18 00:40:12,581 INFO L861 garLoopResultBuilder]: At program point L8902(lines 8902 8930) the Hoare annotation is: true [2021-12-18 00:40:12,581 INFO L858 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L8886-2(lines 8886 8973) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L8886-4(lines 8852 8973) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L8886(line 8886) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L8936-3(lines 8936 8953) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L8969(line 8969) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L8870(line 8870) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L861 garLoopResultBuilder]: At program point L8936-2(lines 8936 8953) the Hoare annotation is: true [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L8904(line 8904) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L8871(line 8871) no Hoare annotation was computed. [2021-12-18 00:40:12,582 INFO L858 garLoopResultBuilder]: For program point L9951-2(line 9951) no Hoare annotation was computed. [2021-12-18 00:40:12,583 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-18 00:40:12,583 INFO L854 garLoopResultBuilder]: At program point L9951-4(line 9951) the Hoare annotation is: false [2021-12-18 00:40:12,583 INFO L858 garLoopResultBuilder]: For program point L9951-5(line 9951) no Hoare annotation was computed. [2021-12-18 00:40:12,583 INFO L854 garLoopResultBuilder]: At program point L9951-1(line 9951) the Hoare annotation is: false [2021-12-18 00:40:12,583 INFO L854 garLoopResultBuilder]: At program point L9945(line 9945) the Hoare annotation is: false [2021-12-18 00:40:12,583 INFO L854 garLoopResultBuilder]: At program point L9945-1(line 9945) the Hoare annotation is: false [2021-12-18 00:40:12,583 INFO L858 garLoopResultBuilder]: For program point L9945-2(line 9945) no Hoare annotation was computed. [2021-12-18 00:40:12,583 INFO L861 garLoopResultBuilder]: At program point L10247(line 10247) the Hoare annotation is: true [2021-12-18 00:40:12,583 INFO L858 garLoopResultBuilder]: For program point L10247-1(line 10247) no Hoare annotation was computed. [2021-12-18 00:40:12,583 INFO L858 garLoopResultBuilder]: For program point L9950-1(line 9950) no Hoare annotation was computed. [2021-12-18 00:40:12,584 INFO L854 garLoopResultBuilder]: At program point L9950-2(line 9950) the Hoare annotation is: false [2021-12-18 00:40:12,584 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-18 00:40:12,584 INFO L858 garLoopResultBuilder]: For program point L9950-3(line 9950) no Hoare annotation was computed. [2021-12-18 00:40:12,584 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-18 00:40:12,584 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-18 00:40:12,584 INFO L854 garLoopResultBuilder]: At program point L9950(line 9950) the Hoare annotation is: false [2021-12-18 00:40:12,584 INFO L861 garLoopResultBuilder]: At program point L9944(lines 9944 9952) the Hoare annotation is: true [2021-12-18 00:40:12,584 INFO L861 garLoopResultBuilder]: At program point L10250(line 10250) the Hoare annotation is: true [2021-12-18 00:40:12,584 INFO L858 garLoopResultBuilder]: For program point L10246(lines 10246 10249) no Hoare annotation was computed. [2021-12-18 00:40:12,584 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-18 00:40:12,585 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-18 00:40:12,585 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-18 00:40:12,585 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-18 00:40:12,585 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-18 00:40:12,585 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-18 00:40:12,587 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-18 00:40:12,604 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 00:40:12,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-12-18 00:40:12,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-12-18 00:40:12,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-12-18 00:40:12,612 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-12-18 00:40:12,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 12:40:12 BoogieIcfgContainer [2021-12-18 00:40:12,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 00:40:12,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 00:40:12,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 00:40:12,614 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 00:40:12,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:40:09" (3/4) ... [2021-12-18 00:40:12,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-18 00:40:12,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2021-12-18 00:40:12,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-18 00:40:12,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hashlittle2 [2021-12-18 00:40:12,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-18 00:40:12,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-18 00:40:12,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2021-12-18 00:40:12,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-18 00:40:12,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-18 00:40:12,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-18 00:40:12,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-12-18 00:40:12,630 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2021-12-18 00:40:12,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2021-12-18 00:40:12,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-12-18 00:40:12,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-18 00:40:12,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-18 00:40:12,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-18 00:40:12,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-18 00:40:12,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-18 00:40:12,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, 9223372036853541257bv64), 36028797018963967bv64)) [2021-12-18 00:40:13,212 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-18 00:40:13,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 00:40:13,213 INFO L158 Benchmark]: Toolchain (without parser) took 9877.85ms. Allocated memory was 65.0MB in the beginning and 260.0MB in the end (delta: 195.0MB). Free memory was 35.2MB in the beginning and 104.4MB in the end (delta: -69.2MB). Peak memory consumption was 181.7MB. Max. memory is 16.1GB. [2021-12-18 00:40:13,213 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 46.0MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 00:40:13,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2297.62ms. Allocated memory was 65.0MB in the beginning and 174.1MB in the end (delta: 109.1MB). Free memory was 35.1MB in the beginning and 100.9MB in the end (delta: -65.8MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2021-12-18 00:40:13,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.18ms. Allocated memory is still 174.1MB. Free memory was 100.9MB in the beginning and 90.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 00:40:13,214 INFO L158 Benchmark]: Boogie Preprocessor took 94.04ms. Allocated memory is still 174.1MB. Free memory was 90.4MB in the beginning and 82.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-18 00:40:13,214 INFO L158 Benchmark]: RCFGBuilder took 3982.39ms. Allocated memory is still 174.1MB. Free memory was 82.0MB in the beginning and 99.5MB in the end (delta: -17.5MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2021-12-18 00:40:13,214 INFO L158 Benchmark]: TraceAbstraction took 2739.13ms. Allocated memory is still 174.1MB. Free memory was 98.5MB in the beginning and 84.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-12-18 00:40:13,215 INFO L158 Benchmark]: Witness Printer took 599.27ms. Allocated memory was 174.1MB in the beginning and 260.0MB in the end (delta: 86.0MB). Free memory was 84.2MB in the beginning and 104.4MB in the end (delta: -20.3MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. [2021-12-18 00:40:13,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 46.0MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2297.62ms. Allocated memory was 65.0MB in the beginning and 174.1MB in the end (delta: 109.1MB). Free memory was 35.1MB in the beginning and 100.9MB in the end (delta: -65.8MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.18ms. Allocated memory is still 174.1MB. Free memory was 100.9MB in the beginning and 90.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.04ms. Allocated memory is still 174.1MB. Free memory was 90.4MB in the beginning and 82.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3982.39ms. Allocated memory is still 174.1MB. Free memory was 82.0MB in the beginning and 99.5MB in the end (delta: -17.5MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2739.13ms. Allocated memory is still 174.1MB. Free memory was 98.5MB in the beginning and 84.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 599.27ms. Allocated memory was 174.1MB in the beginning and 260.0MB in the end (delta: 86.0MB). Free memory was 84.2MB in the beginning and 104.4MB in the end (delta: -20.3MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 428 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 201 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 227 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 60 PreInvPairs, 66 NumberOfFragments, 86 HoareAnnotationTreeSize, 60 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 184 ConstructedInterpolants, 7 QuantifiedInterpolants, 281 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2664 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 90/90 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: 8936]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8956]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6867]: Loop Invariant [2021-12-18 00:40:13,221 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-12-18 00:40:13,222 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-12-18 00:40:13,222 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-12-18 00:40:13,222 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] Derived loop invariant: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, 9223372036853541257bv64), 36028797018963967bv64)) - InvariantResult [Line: 10250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8890]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-18 00:40:13,256 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