./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_array_eq_c_str_ignore_case_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c8151fb171c9b453710acc6c97ec40a00d3609946ad41877389a6ccf870db18 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 09:21:57,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:21:57,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:21:57,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:21:57,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:21:57,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:21:57,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:21:57,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:21:57,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:21:57,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:21:57,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:21:57,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:21:57,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:21:57,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:21:57,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:21:57,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:21:57,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:21:57,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:21:57,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:21:57,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:21:57,724 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:21:57,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:21:57,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:21:57,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:21:57,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:21:57,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:21:57,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:21:57,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:21:57,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:21:57,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:21:57,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:21:57,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:21:57,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:21:57,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:21:57,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:21:57,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:21:57,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:21:57,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:21:57,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:21:57,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:21:57,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:21:57,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:21:57,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 09:21:57,775 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:21:57,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:21:57,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:21:57,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:21:57,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:21:57,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:21:57,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:21:57,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:21:57,777 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:21:57,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:21:57,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 09:21:57,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:21:57,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:21:57,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:21:57,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:21:57,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:21:57,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:21:57,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:21:57,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:21:57,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:21:57,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:21:57,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:21:57,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:21:57,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:21:57,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:21:57,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 09:21:57,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 09:21:57,781 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:21:57,781 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:21:57,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:21:57,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c8151fb171c9b453710acc6c97ec40a00d3609946ad41877389a6ccf870db18 [2022-07-21 09:21:58,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:21:58,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:21:58,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:21:58,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:21:58,064 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:21:58,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_ignore_case_harness.i [2022-07-21 09:21:58,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946991cd7/3235e772700f47f7af9c0cdf5f5ae1e2/FLAGe1efd06f4 [2022-07-21 09:21:58,713 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:21:58,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_eq_c_str_ignore_case_harness.i [2022-07-21 09:21:58,743 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946991cd7/3235e772700f47f7af9c0cdf5f5ae1e2/FLAGe1efd06f4 [2022-07-21 09:21:58,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946991cd7/3235e772700f47f7af9c0cdf5f5ae1e2 [2022-07-21 09:21:58,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:21:58,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:21:58,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:21:58,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:21:58,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:21:58,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:21:58" (1/1) ... [2022-07-21 09:21:58,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453d4573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:21:58, skipping insertion in model container [2022-07-21 09:21:58,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:21:58" (1/1) ... [2022-07-21 09:21:58,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:21:58,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:21:59,169 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_array_eq_c_str_ignore_case_harness.i[4504,4517] [2022-07-21 09:21:59,176 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_array_eq_c_str_ignore_case_harness.i[4564,4577] [2022-07-21 09:21:59,722 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,724 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,726 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,727 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,729 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,747 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,749 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,751 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,751 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:21:59,978 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:21:59,979 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:21:59,980 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:21:59,981 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:21:59,982 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:21:59,984 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:21:59,984 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:21:59,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:21:59,987 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:21:59,987 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:22:00,087 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:22:00,136 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,137 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:22:00,229 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:22:00,238 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_array_eq_c_str_ignore_case_harness.i[4504,4517] [2022-07-21 09:22:00,247 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_array_eq_c_str_ignore_case_harness.i[4564,4577] [2022-07-21 09:22:00,270 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,271 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,271 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,271 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,271 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,275 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,275 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,284 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,285 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,335 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:22:00,335 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:22:00,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:22:00,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:22:00,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:22:00,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:22:00,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:22:00,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:22:00,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:22:00,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:22:00,358 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:22:00,436 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,437 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:22:00,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:22:00,661 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:22:00,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00 WrapperNode [2022-07-21 09:22:00,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:22:00,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:22:00,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:22:00,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:22:00,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,809 INFO L137 Inliner]: procedures = 691, calls = 2614, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 789 [2022-07-21 09:22:00,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:22:00,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:22:00,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:22:00,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:22:00,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:22:00,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:22:00,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:22:00,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:22:00,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (1/1) ... [2022-07-21 09:22:00,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:22:00,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:22:00,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 09:22:00,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 09:22:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:22:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-21 09:22:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-21 09:22:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 09:22:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-21 09:22:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-21 09:22:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:22:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:22:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-07-21 09:22:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-07-21 09:22:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:22:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:22:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-21 09:22:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-21 09:22:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-21 09:22:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-21 09:22:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-21 09:22:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-21 09:22:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 09:22:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 09:22:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 09:22:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:22:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-21 09:22:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-21 09:22:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 09:22:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str_ignore_case [2022-07-21 09:22:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str_ignore_case [2022-07-21 09:22:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 09:22:01,265 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:22:01,267 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:22:01,945 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:22:01,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:22:01,951 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 09:22:01,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:01 BoogieIcfgContainer [2022-07-21 09:22:01,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:22:01,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:22:01,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:22:01,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:22:01,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:21:58" (1/3) ... [2022-07-21 09:22:01,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152d8671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:22:01, skipping insertion in model container [2022-07-21 09:22:01,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:22:00" (2/3) ... [2022-07-21 09:22:01,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152d8671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:22:01, skipping insertion in model container [2022-07-21 09:22:01,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:01" (3/3) ... [2022-07-21 09:22:01,959 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_eq_c_str_ignore_case_harness.i [2022-07-21 09:22:01,968 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:22:01,968 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 09:22:02,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:22:02,016 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c306e69, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@61bc1d15 [2022-07-21 09:22:02,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 09:22:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 58 states have internal predecessors, (69), 22 states have call successors, (22), 9 states have call predecessors, (22), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-21 09:22:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-21 09:22:02,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:02,026 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:02,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:02,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:02,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1470812839, now seen corresponding path program 1 times [2022-07-21 09:22:02,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:02,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299276198] [2022-07-21 09:22:02,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:02,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:22:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 09:22:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 09:22:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 09:22:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 09:22:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 09:22:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-21 09:22:02,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:02,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299276198] [2022-07-21 09:22:02,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299276198] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:02,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:02,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 09:22:02,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743514625] [2022-07-21 09:22:02,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:02,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 09:22:02,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:02,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 09:22:02,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:22:02,515 INFO L87 Difference]: Start difference. First operand has 87 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 58 states have internal predecessors, (69), 22 states have call successors, (22), 9 states have call predecessors, (22), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 09:22:02,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:02,690 INFO L93 Difference]: Finished difference Result 176 states and 247 transitions. [2022-07-21 09:22:02,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:22:02,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 68 [2022-07-21 09:22:02,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:02,697 INFO L225 Difference]: With dead ends: 176 [2022-07-21 09:22:02,698 INFO L226 Difference]: Without dead ends: 87 [2022-07-21 09:22:02,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:22:02,702 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 82 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:02,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 138 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 09:22:02,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-07-21 09:22:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2022-07-21 09:22:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 53 states have internal predecessors, (61), 22 states have call successors, (22), 9 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-07-21 09:22:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2022-07-21 09:22:02,730 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 68 [2022-07-21 09:22:02,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:02,731 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2022-07-21 09:22:02,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 09:22:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2022-07-21 09:22:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-21 09:22:02,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:02,733 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:02,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 09:22:02,734 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:02,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:02,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1466791209, now seen corresponding path program 1 times [2022-07-21 09:22:02,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:02,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236635786] [2022-07-21 09:22:02,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:02,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:22:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 09:22:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 09:22:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 09:22:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 09:22:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 09:22:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:02,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-21 09:22:03,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:03,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236635786] [2022-07-21 09:22:03,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236635786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:03,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:22:03,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 09:22:03,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585563349] [2022-07-21 09:22:03,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:03,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:22:03,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:03,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:22:03,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 09:22:03,012 INFO L87 Difference]: Start difference. First operand 82 states and 104 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-21 09:22:03,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:03,324 INFO L93 Difference]: Finished difference Result 146 states and 193 transitions. [2022-07-21 09:22:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 09:22:03,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 68 [2022-07-21 09:22:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:03,326 INFO L225 Difference]: With dead ends: 146 [2022-07-21 09:22:03,326 INFO L226 Difference]: Without dead ends: 101 [2022-07-21 09:22:03,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:22:03,328 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 89 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:03,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 174 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:22:03,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-21 09:22:03,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 85. [2022-07-21 09:22:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 55 states have internal predecessors, (63), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-07-21 09:22:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 108 transitions. [2022-07-21 09:22:03,360 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 108 transitions. Word has length 68 [2022-07-21 09:22:03,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:03,361 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 108 transitions. [2022-07-21 09:22:03,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-21 09:22:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2022-07-21 09:22:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-21 09:22:03,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:03,363 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:03,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 09:22:03,363 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:03,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:03,364 INFO L85 PathProgramCache]: Analyzing trace with hash 982808921, now seen corresponding path program 1 times [2022-07-21 09:22:03,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:03,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690125771] [2022-07-21 09:22:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:22:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 09:22:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 09:22:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 09:22:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:22:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 09:22:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 09:22:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-21 09:22:03,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:03,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690125771] [2022-07-21 09:22:03,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690125771] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:22:03,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758424225] [2022-07-21 09:22:03,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:03,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:03,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:22:03,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:22:03,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 09:22:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-21 09:22:04,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:22:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-21 09:22:04,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:22:04,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758424225] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:22:04,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:22:04,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-07-21 09:22:04,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67847335] [2022-07-21 09:22:04,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:22:04,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 09:22:04,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:04,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 09:22:04,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 09:22:04,104 INFO L87 Difference]: Start difference. First operand 85 states and 108 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-21 09:22:04,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:04,161 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2022-07-21 09:22:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:22:04,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 68 [2022-07-21 09:22:04,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:04,163 INFO L225 Difference]: With dead ends: 123 [2022-07-21 09:22:04,163 INFO L226 Difference]: Without dead ends: 82 [2022-07-21 09:22:04,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:22:04,164 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 2 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 09:22:04,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 347 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 09:22:04,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-07-21 09:22:04,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-07-21 09:22:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 50 states have (on average 1.18) internal successors, (59), 53 states have internal predecessors, (59), 22 states have call successors, (22), 9 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-07-21 09:22:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2022-07-21 09:22:04,171 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 68 [2022-07-21 09:22:04,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:04,171 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2022-07-21 09:22:04,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-21 09:22:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2022-07-21 09:22:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-21 09:22:04,173 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:22:04,174 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:22:04,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 09:22:04,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:04,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:22:04,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:22:04,394 INFO L85 PathProgramCache]: Analyzing trace with hash -578368298, now seen corresponding path program 1 times [2022-07-21 09:22:04,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:22:04,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803628594] [2022-07-21 09:22:04,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:04,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:22:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:22:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:22:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 09:22:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 09:22:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 09:22:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 09:22:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 09:22:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 09:22:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 09:22:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 09:22:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 09:22:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:05,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 09:22:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:22:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:22:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-21 09:22:05,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:22:05,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803628594] [2022-07-21 09:22:05,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803628594] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:22:05,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433911294] [2022-07-21 09:22:05,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:22:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:22:05,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:22:05,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:22:05,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 09:22:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:22:05,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 2540 conjuncts, 81 conjunts are in the unsatisfiable core [2022-07-21 09:22:05,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:22:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 12 proven. 68 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-21 09:22:06,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 09:22:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-21 09:22:07,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433911294] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 09:22:07,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 09:22:07,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28, 15] total 56 [2022-07-21 09:22:07,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280917212] [2022-07-21 09:22:07,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 09:22:07,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-07-21 09:22:07,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:22:07,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-07-21 09:22:07,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2909, Unknown=0, NotChecked=0, Total=3080 [2022-07-21 09:22:07,916 INFO L87 Difference]: Start difference. First operand 82 states and 102 transitions. Second operand has 56 states, 46 states have (on average 2.391304347826087) internal successors, (110), 43 states have internal predecessors, (110), 21 states have call successors, (49), 6 states have call predecessors, (49), 12 states have return successors, (46), 21 states have call predecessors, (46), 20 states have call successors, (46) [2022-07-21 09:22:07,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:22:07,918 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2022-07-21 09:22:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 09:22:07,919 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 46 states have (on average 2.391304347826087) internal successors, (110), 43 states have internal predecessors, (110), 21 states have call successors, (49), 6 states have call predecessors, (49), 12 states have return successors, (46), 21 states have call predecessors, (46), 20 states have call successors, (46) Word has length 96 [2022-07-21 09:22:07,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:22:07,920 INFO L225 Difference]: With dead ends: 82 [2022-07-21 09:22:07,920 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 09:22:07,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 185 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=171, Invalid=2909, Unknown=0, NotChecked=0, Total=3080 [2022-07-21 09:22:07,925 INFO L413 NwaCegarLoop]: 0 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, 0 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 [2022-07-21 09:22:07,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 09:22:07,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 09:22:07,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 09:22:07,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 09:22:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 09:22:07,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-07-21 09:22:07,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:22:07,929 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 09:22:07,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 46 states have (on average 2.391304347826087) internal successors, (110), 43 states have internal predecessors, (110), 21 states have call successors, (49), 6 states have call predecessors, (49), 12 states have return successors, (46), 21 states have call predecessors, (46), 20 states have call successors, (46) [2022-07-21 09:22:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 09:22:07,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 09:22:07,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 09:22:07,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 09:22:08,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-21 09:22:08,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 09:22:08,206 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2022-07-21 09:22:08,207 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2022-07-21 09:22:08,207 INFO L902 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2022-07-21 09:22:08,207 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2022-07-21 09:22:08,207 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2022-07-21 09:22:08,207 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2022-07-21 09:22:08,208 INFO L902 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2022-07-21 09:22:08,209 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2022-07-21 09:22:08,209 INFO L902 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2022-07-21 09:22:08,209 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-07-21 09:22:08,209 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-07-21 09:22:08,209 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-07-21 09:22:08,210 INFO L902 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: true [2022-07-21 09:22:08,210 INFO L899 garLoopResultBuilder]: For program point L7135(lines 7135 7139) no Hoare annotation was computed. [2022-07-21 09:22:08,210 INFO L899 garLoopResultBuilder]: For program point L7137-1(line 7137) no Hoare annotation was computed. [2022-07-21 09:22:08,210 INFO L899 garLoopResultBuilder]: For program point save_byte_from_arrayEXIT(lines 7134 7140) no Hoare annotation was computed. [2022-07-21 09:22:08,210 INFO L902 garLoopResultBuilder]: At program point L7137(line 7137) the Hoare annotation is: true [2022-07-21 09:22:08,210 INFO L899 garLoopResultBuilder]: For program point L7135-2(lines 7134 7140) no Hoare annotation was computed. [2022-07-21 09:22:08,210 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-07-21 09:22:08,211 INFO L895 garLoopResultBuilder]: At program point save_byte_from_arrayENTRY(lines 7134 7140) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-07-21 09:22:08,211 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-07-21 09:22:08,211 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-07-21 09:22:08,211 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-07-21 09:22:08,211 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_str_ignore_caseEXIT(lines 7731 7764) no Hoare annotation was computed. [2022-07-21 09:22:08,211 INFO L899 garLoopResultBuilder]: For program point L7748-4(lines 7748 7761) no Hoare annotation was computed. [2022-07-21 09:22:08,211 INFO L902 garLoopResultBuilder]: At program point aws_array_eq_c_str_ignore_caseENTRY(lines 7731 7764) the Hoare annotation is: true [2022-07-21 09:22:08,211 INFO L902 garLoopResultBuilder]: At program point L7748-3(lines 7748 7761) the Hoare annotation is: true [2022-07-21 09:22:08,211 INFO L899 garLoopResultBuilder]: For program point L7736(lines 7736 7738) no Hoare annotation was computed. [2022-07-21 09:22:08,212 INFO L902 garLoopResultBuilder]: At program point L7733-1(line 7733) the Hoare annotation is: true [2022-07-21 09:22:08,212 INFO L902 garLoopResultBuilder]: At program point L7733(line 7733) the Hoare annotation is: true [2022-07-21 09:22:08,212 INFO L899 garLoopResultBuilder]: For program point L7756(lines 7756 7760) no Hoare annotation was computed. [2022-07-21 09:22:08,212 INFO L899 garLoopResultBuilder]: For program point L7750(lines 7750 7754) no Hoare annotation was computed. [2022-07-21 09:22:08,212 INFO L899 garLoopResultBuilder]: For program point aws_array_eq_c_str_ignore_caseFINAL(lines 7731 7764) no Hoare annotation was computed. [2022-07-21 09:22:08,212 INFO L899 garLoopResultBuilder]: For program point L7748-2(lines 7748 7761) no Hoare annotation was computed. [2022-07-21 09:22:08,212 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-07-21 09:22:08,212 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-07-21 09:22:08,212 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-21 09:22:08,213 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-07-21 09:22:08,213 INFO L902 garLoopResultBuilder]: At program point L7130(line 7130) the Hoare annotation is: true [2022-07-21 09:22:08,213 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7128 7132) no Hoare annotation was computed. [2022-07-21 09:22:08,213 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7128 7132) the Hoare annotation is: true [2022-07-21 09:22:08,213 INFO L899 garLoopResultBuilder]: For program point L7129-2(lines 7128 7132) no Hoare annotation was computed. [2022-07-21 09:22:08,213 INFO L899 garLoopResultBuilder]: For program point L7129(lines 7129 7131) no Hoare annotation was computed. [2022-07-21 09:22:08,213 INFO L899 garLoopResultBuilder]: For program point L7130-1(line 7130) no Hoare annotation was computed. [2022-07-21 09:22:08,213 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-07-21 09:22:08,213 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-07-21 09:22:08,214 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-07-21 09:22:08,214 INFO L899 garLoopResultBuilder]: For program point L8979-1(line 8979) no Hoare annotation was computed. [2022-07-21 09:22:08,214 INFO L899 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2022-07-21 09:22:08,214 INFO L899 garLoopResultBuilder]: For program point L8996(lines 8996 8998) no Hoare annotation was computed. [2022-07-21 09:22:08,214 INFO L895 garLoopResultBuilder]: At program point L6820-1(line 6820) the Hoare annotation is: false [2022-07-21 09:22:08,214 INFO L902 garLoopResultBuilder]: At program point L9000(line 9000) the Hoare annotation is: true [2022-07-21 09:22:08,214 INFO L895 garLoopResultBuilder]: At program point L6820(line 6820) the Hoare annotation is: false [2022-07-21 09:22:08,214 INFO L899 garLoopResultBuilder]: For program point L8967(lines 8967 8999) no Hoare annotation was computed. [2022-07-21 09:22:08,214 INFO L899 garLoopResultBuilder]: For program point L8988(lines 8988 8990) no Hoare annotation was computed. [2022-07-21 09:22:08,215 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 09:22:08,215 INFO L899 garLoopResultBuilder]: For program point L8988-1(lines 8967 8999) no Hoare annotation was computed. [2022-07-21 09:22:08,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 09:22:08,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 09:22:08,215 INFO L895 garLoopResultBuilder]: At program point L8984(line 8984) the Hoare annotation is: (and (= |ULTIMATE.start_aws_array_eq_c_str_ignore_case_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_array_eq_c_str_ignore_case_harness_~c_str~0#1.offset| 0)) [2022-07-21 09:22:08,215 INFO L895 garLoopResultBuilder]: At program point L8972(line 8972) the Hoare annotation is: false [2022-07-21 09:22:08,215 INFO L899 garLoopResultBuilder]: For program point L8972-1(lines 8972 8974) no Hoare annotation was computed. [2022-07-21 09:22:08,215 INFO L895 garLoopResultBuilder]: At program point L8997(line 8997) the Hoare annotation is: false [2022-07-21 09:22:08,215 INFO L899 garLoopResultBuilder]: For program point L6825-1(line 6825) no Hoare annotation was computed. [2022-07-21 09:22:08,216 INFO L895 garLoopResultBuilder]: At program point L6825(line 6825) the Hoare annotation is: false [2022-07-21 09:22:08,216 INFO L899 garLoopResultBuilder]: For program point L8972-3(lines 8972 8974) no Hoare annotation was computed. [2022-07-21 09:22:08,216 INFO L899 garLoopResultBuilder]: For program point L6821(line 6821) no Hoare annotation was computed. [2022-07-21 09:22:08,216 INFO L895 garLoopResultBuilder]: At program point L8989(line 8989) the Hoare annotation is: false [2022-07-21 09:22:08,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 09:22:08,217 INFO L899 garLoopResultBuilder]: For program point L8993(lines 8967 8999) no Hoare annotation was computed. [2022-07-21 09:22:08,217 INFO L895 garLoopResultBuilder]: At program point L8981(line 8981) the Hoare annotation is: (and (= |ULTIMATE.start_aws_array_eq_c_str_ignore_case_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_array_eq_c_str_ignore_case_harness_~c_str~0#1.offset| 0)) [2022-07-21 09:22:08,217 INFO L895 garLoopResultBuilder]: At program point L8981-1(line 8981) the Hoare annotation is: (and (= |ULTIMATE.start_aws_array_eq_c_str_ignore_case_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_array_eq_c_str_ignore_case_harness_~c_str~0#1.offset| 0)) [2022-07-21 09:22:08,217 INFO L895 garLoopResultBuilder]: At program point L8985(line 8985) the Hoare annotation is: false [2022-07-21 09:22:08,217 INFO L895 garLoopResultBuilder]: At program point L6826(lines 6818 6827) the Hoare annotation is: false [2022-07-21 09:22:08,217 INFO L895 garLoopResultBuilder]: At program point L8994(line 8994) the Hoare annotation is: false [2022-07-21 09:22:08,217 INFO L895 garLoopResultBuilder]: At program point L8978(line 8978) the Hoare annotation is: (and (= |ULTIMATE.start_aws_array_eq_c_str_ignore_case_harness_~c_str~0#1.base| 0) (= |ULTIMATE.start_aws_array_eq_c_str_ignore_case_harness_~c_str~0#1.offset| 0)) [2022-07-21 09:22:08,218 INFO L895 garLoopResultBuilder]: At program point L8970(line 8970) the Hoare annotation is: false [2022-07-21 09:22:08,218 INFO L899 garLoopResultBuilder]: For program point L8978-1(lines 8967 8999) no Hoare annotation was computed. [2022-07-21 09:22:08,218 INFO L895 garLoopResultBuilder]: At program point L8970-1(line 8970) the Hoare annotation is: false [2022-07-21 09:22:08,218 INFO L899 garLoopResultBuilder]: For program point L6819-1(line 6819) no Hoare annotation was computed. [2022-07-21 09:22:08,218 INFO L895 garLoopResultBuilder]: At program point L6819(line 6819) the Hoare annotation is: false [2022-07-21 09:22:08,218 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-21 09:22:08,218 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-07-21 09:22:08,218 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-07-21 09:22:08,218 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-07-21 09:22:08,219 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-07-21 09:22:08,219 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-07-21 09:22:08,221 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-21 09:22:08,222 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 09:22:08,228 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-21 09:22:08,228 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-21 09:22:08,228 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-21 09:22:08,229 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-21 09:22:08,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-21 09:22:08,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-21 09:22:08,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-21 09:22:08,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-21 09:22:08,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:22:08 BoogieIcfgContainer [2022-07-21 09:22:08,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 09:22:08,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 09:22:08,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 09:22:08,237 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 09:22:08,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:22:01" (3/4) ... [2022-07-21 09:22:08,241 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 09:22:08,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-07-21 09:22:08,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-21 09:22:08,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure save_byte_from_array [2022-07-21 09:22:08,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-21 09:22:08,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-21 09:22:08,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq_c_str_ignore_case [2022-07-21 09:22:08,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-21 09:22:08,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-21 09:22:08,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-07-21 09:22:08,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2022-07-21 09:22:08,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-07-21 09:22:08,282 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-07-21 09:22:08,282 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-21 09:22:08,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-07-21 09:22:08,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-21 09:22:08,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 09:22:08,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 09:22:08,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$) [2022-07-21 09:22:08,568 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 09:22:08,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 09:22:08,569 INFO L158 Benchmark]: Toolchain (without parser) took 9688.16ms. Allocated memory was 54.5MB in the beginning and 360.7MB in the end (delta: 306.2MB). Free memory was 33.9MB in the beginning and 179.2MB in the end (delta: -145.3MB). Peak memory consumption was 272.1MB. Max. memory is 16.1GB. [2022-07-21 09:22:08,569 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:22:08,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1778.97ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 33.6MB in the beginning and 57.8MB in the end (delta: -24.1MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-07-21 09:22:08,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.60ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 46.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 09:22:08,570 INFO L158 Benchmark]: Boogie Preprocessor took 51.91ms. Allocated memory is still 104.9MB. Free memory was 46.3MB in the beginning and 40.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 09:22:08,570 INFO L158 Benchmark]: RCFGBuilder took 1090.29ms. Allocated memory was 104.9MB in the beginning and 165.7MB in the end (delta: 60.8MB). Free memory was 40.0MB in the beginning and 66.7MB in the end (delta: -26.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-07-21 09:22:08,570 INFO L158 Benchmark]: TraceAbstraction took 6281.33ms. Allocated memory was 165.7MB in the beginning and 360.7MB in the end (delta: 195.0MB). Free memory was 65.7MB in the beginning and 97.7MB in the end (delta: -32.0MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. [2022-07-21 09:22:08,570 INFO L158 Benchmark]: Witness Printer took 331.75ms. Allocated memory is still 360.7MB. Free memory was 97.7MB in the beginning and 179.2MB in the end (delta: -81.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-07-21 09:22:08,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1778.97ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 33.6MB in the beginning and 57.8MB in the end (delta: -24.1MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.60ms. Allocated memory is still 104.9MB. Free memory was 57.8MB in the beginning and 46.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.91ms. Allocated memory is still 104.9MB. Free memory was 46.3MB in the beginning and 40.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1090.29ms. Allocated memory was 104.9MB in the beginning and 165.7MB in the end (delta: 60.8MB). Free memory was 40.0MB in the beginning and 66.7MB in the end (delta: -26.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6281.33ms. Allocated memory was 165.7MB in the beginning and 360.7MB in the end (delta: 195.0MB). Free memory was 65.7MB in the beginning and 97.7MB in the end (delta: -32.0MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. * Witness Printer took 331.75ms. Allocated memory is still 360.7MB. Free memory was 97.7MB in the beginning and 179.2MB in the end (delta: -81.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * 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 10 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 4, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 659 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 369 mSDsCounter, 129 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 129 mSolverCounterUnsat, 290 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 325 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 124 PreInvPairs, 129 NumberOfFragments, 83 HoareAnnotationTreeSize, 124 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 553 ConstructedInterpolants, 0 QuantifiedInterpolants, 2306 SizeOfPredicates, 38 NumberOfNonLiveVariables, 5002 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 459/545 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: 263]: Loop Invariant [2022-07-21 09:22:08,577 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-21 09:22:08,577 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-21 09:22:08,577 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-21 09:22:08,577 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-21 09:22:08,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-21 09:22:08,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-21 09:22:08,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-21 09:22:08,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((\old(unknown-#memory_real-unknown) == unknown-#memory_real-unknown && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 9000]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7748]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6818]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-21 09:22:08,598 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